Patent US3845394A successfully refreshed from Google Patents.
US3845394A
Expired / Lapsed
US
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Broadcast receiver
Assignee: Sony Corp
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Filing: 1972-11-27
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Granted: 1974-10-29
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Expires: 1992-11-27
Abstract
Abstract A broadcast receiver having a tuner with a variable local oscillator for generating a local frequency signal, a divider for dividing the local frequency signal by a variable dividing ratio, a comparator for comparing the divided local frequency signal with a reference signal and producing a corresponding output by which the local oscillator frequency is controlled, a counter having a variable content by which the dividing ratio of the divider is determined for establishing the radio broadcast frequency to which the receiver is tuned, and a pulse generator operative to vary the counter content; is further provided with means for detecting the reception of radio waves by the receiver, a memory having memory elements each corresponding to a respective counter content and in which a signal is stored when the reception of radio waves is detected for that content of the counter, whereby to memorize those broadcasting stations from which the transmissions can be received, and a display device having indicator elements respectively corresponding to the memory elements and by which the storage of signals in the respective memory elements is visually indicated. Various control circuits are provided, for example, to operate the pulse generator until the receiver is tuned to a selected receivable station determined by actuation of the respective indicator element, or until the receiver is tuned to the receivable station broadcasting with the next lower frequency, or to operate the pulse generator for scanning the broadcasting band with pauses at each of the receivable stations identified by the storage of signals in the respective memory elements.
Inventors
- 👤 O Hamada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:28
CPC Classifications
H; H03; H03J; H03J7/00; H03J7/18; H03J7/20; H03J7/28; H03J7/285; H03J5/00; H03J5/02; H03J5/0245; H03J5/0272; H03J5/0281; H03L; H03L7/00; H03L7/06; H03L7/16; H03L7/18; H03L7/183; H03L7/185
Claims Analysis
Total Claims: 90
Claim 1
Independent Claim
130 words
A broadcast receiver comprising: a. means for dividing a broadcast band into a plurality of frequency ranges, b. display means having a plurality of indicator elements each corresponding to a respective one of said frequency ranges, c. means for generating pulse signals upon each division of said broadcast band and for energizing the indicator element of said display means which corresponds to the respective divided frequency range, d. memory means including a plurality of memory elements each corresponding to a respective one of said frequency ranges, e. means for detecting the reception of broadcast signals, and f. means responsive to the detection of broadcast signals by said detecting means for storing a signal in the memory element of said memory means which corresponds to the divided frequency range then obtaining.
Claim 2
Dependent Claim
130 words
A broadcast receiver comprising: a. means for dividing a broadcast band into a plurality of frequency ranges, b. display means having a plurality of indicator elements each corresponding to a respective one of said frequency ranges, c. means for generating pulse signals upon each division of said broadcast band and for energizing the indicator element of said display means which corresponds to the respective divided frequency range, d. memory means including a plurality of memory elements each corresponding to a respective one of said frequency ranges, e. means for detecting the reception of broadcast signals, and f. means responsive to the detection of broadcast signals by said detecting means for storing a signal in the memory element of said memory means which corresponds to the divided frequency range then obtaining.
Claim 3
Dependent Claim
75 words
A broadcast receiver according to claim 1; further comprising a variable local oscillator for generating a local frequency signal; and in which said means for dividing a broadcast band includes a divider for dividing the frequency of said local frequency signal, and a counter the content of which is varied sequentially in accordance with said pulse signals, the dividing ratio of said divider being varied in accordance with variation of the content of said counter.
Claim 4
Dependent Claim
73 words
A broadcast receiver according to claim 2; in which said means for dividing a broadcast band further includes a reference signal generator, a comparator for comparing frequencies and phases of the divided signal from said divider and of a reference signal from said reference signal generator and for providing a corresponding output, and means for varying the frequency of the signal from said local oscillator in accordance with said output from the comparator.
Claim 5
Dependent Claim
27 words
A broadcast receiver according to claim 1; further comprising read-out means for reading out a signal stored in any of said memory elements of the memory means.
Claim 6
Dependent Claim
34 words
A broadcast receiver according to claim 4; in which said signal read out by said read-out means is supplied to said display means so as to energize a respective one of said indicator elements.
Claim 7
Dependent Claim
20 words
A broadcast receiver according to claim 5; in which said indicator elements of said display means have switches associated therewith.
Claim 8
Dependent Claim
57 words
A broadcast receiver according to claim 6; in which switch detecting circuit means is connected to said switches of said display means for detecting the open and closed states of said switches, and outputs from said switch detecting circuit means are applied to said dividing means which, thereby, extract a predetermined frequency range from said broadcast band.
Claim 9
Dependent Claim
179 words
A broadcast receiver according to claim 6; in which said dividing means for dividing a broadcast band includes a local oscillator for generating a local frequency signal, a divider for dividing the frequency of said local frequency signal, a pulse generator, a counter the content of which is varied sequentially in accordance with the pulses generated by said pulse generator for varying the dividing ratio of said divider in accordance with the variation of the content of said counter, a reference signal generator, a comparator for comparing the frequency and phase of the divided frequency signal derived from said divider with the frequency and phase of a reference signal derived from said reference signal generator and for producing a corresponding comparison output and a control circuit for varying the frequency of said local frequency signal from said local oscillator in accordance with said comparison output, said pulse generator being controlled by said output signals from said switch detecting circuit means so as to be rendered inoperative upon the detection of one of said switches in the closed state thereof.
Claim 10
Dependent Claim
25 words
A broadcast receiver according to claim 8; in which said pulse generator is further controlled with the read out signal from said read out means.
Claim 11
Dependent Claim
46 words
A broadcast receiver according to claim 9; further comprising a control circuit for said pulse generator by which operation of said pulse generator is restarted a predetermined time interval after its operation is stopped in response to an output signal from said switching detecting circuit means.
Claim 12
Dependent Claim
40 words
A broadcast receiver according to claim 8; further comprising a manually actuable mode selecting switch, and a second pulse generator producing a single pulse for correspondingly changing the content of said counter each time said mode selecting switch is actuated.
Claim 13
Dependent Claim
43 words
A broadcast receiver according to claim 8; further comprising a manually actuable mode selecting switch, and a second pulse generator which produces pulses for sequentially changing the content of said counter for the time interval during which said mode selecting switch is actuated.
Claim 14
Dependent Claim
66 words
A broadcast receiver according to claim 8; further comprising a manually actuable mode selecting switch, a second pulse generator which generates pulses for changing the content of said counter in response to actuation of said mode selecting switch, and means for halting the operation of said second pulse generator in response to the reading out of a signal from said memory means by said read-out means.
Claim 15
Dependent Claim
35 words
A broadcast receiver according to claim 13; further comprising means for restarting the operation of said second pulse generator a predetermined time interval after said operation is halted by a signal from said read-out means.
Claim 16
Dependent Claim
23 words
A broadcast receiver according to claim 1; further comprising means for erasing any signals stored in said memory elements of the memory means.
Claim 17
Dependent Claim
73 words
A broadcast receiver according to claim 1; further comprising a second memory means including a plurality of memory elements each corresponding to a respective one of said frequency ranges, and selectively operable means for storing a signal in the memory element of said second memory means which corresponds to the divided frequency range then obtaining in the event that said detecting means detects the reception of broadcast signals at said divided frequency range.
Claim 18
Dependent Claim
22 words
A broadcast receiver according to claim 16; in which said selectively operable means for storing a signal includes a manually actuable switch.
Claim 19
Dependent Claim
24 words
A broadcast receiver according to claim 16; further comprising means for erasing any signals stored in said memory elements of the second memory means.
Claim 20
Dependent Claim
144 words
A broadcast receiver according to claim 1; in which said means for dividing a broadcast band includes a variable local oscillator for generating a local frequency signal, a divider for dividing said local frequency signal by a variable dividing ratio, and a counter having its content varied sequentially by said pulse signals and changing said dividing ratio of the divider in correspondence with said content, and said indicator elements of the display means and said memory elements of the memory means are arranged in rows and columns to form respective matrices; and further comprising address signal generator means connected between said counter and said display and memory means and producing row and column address signals in correspondence with the content of said counter, which row and column address signals are applied to the indicator and memory elements situated in the respective rows and columns.
Claim 21
Dependent Claim
54 words
A broadcast receiver according to claim 19; further comprising read-out means for reading out any signals stored in said memory elements as said row and column address signals are applied to said memory elements, and means applying the signals read out by said read-out means to the corresponding indicator elements for energizing the latter.
Claim 22
Dependent Claim
75 words
A broadcast receiver according to claim 20; further comprising a switch associated with each of said indicator elements and being closed in response to manual actuation of the respective indicator element, switch detecting means for detecting the closed state of each of said switches, and a second pulse generator operative to change the content of said counter and being rendered inoperative when said switch detecting means detects the closed state of one of said switches.
Claim 23
Dependent Claim
37 words
A broadcast receiver according to claim 21; further comprising circuit means for halting the operation of said second pulse generator in response to the read out of a signal from said memory means by said read-out means.
Claim 24
Dependent Claim
31 words
A broadcast receiver according to claim 22; in which said circuit means for halting operation of said second pulse generator includes means to restart said operation following a predetermined time interval.
Claim 25
Dependent Claim
61 words
A broadcast receiver according to claim 19; in which each of said memory elements is a semiconductive element having first, second and third electrodes, said first electrode being supplied with one of said row and column address signals, said second electrode being supplied with a predetermined voltage and said third electrode being sUpplied with the other of said address signals, respectively.
Claim 26
Dependent Claim
37 words
A broadcast receiver according to claim 24; further comprising a memory control circuit connected to said first electrode of each memory element and which controls the potential of said one address signal in at least three steps.
Claim 27
Dependent Claim
86 words
A broadcast receiver according to claim 25; in which said memory control circuit controls said one address signal to apply a first potential to said first electrode during storing of a signal in the respective memory element, to apply a second potential to said first electrode by connection to a negative voltage source for erasing a signal from the respective memory element, and to otherwise apply a third potential to said first electrode during the reading out of a signal stored in the respective memory element.
Claim 28
Dependent Claim
65 words
A broadcast receiver according to claim 26; further comprising read-out means connected with said second electrode of each of said memory elements for reading out any signals stored in said memory elements as said row and column address signals are applied to said memory elements with said one address signal being controlled to apply said third potential to said first electrode of each memory element.
Claim 29
Dependent Claim
18 words
A broadcast receiver according to claim 19; in which each of said indicator elements is a neon lamp.
Claim 30
Dependent Claim
194 words
A broadcast receiver comprising: a. a variable local oscillator for generating local frequency signals, b. a divider for dividing the local frequency signal from said local oscillator by a variable dividing ratio, c. a pulse generator, d. a counter, the content of which is varied in accordance with the number of pulses generated by said pulse generator, for varying said dividing ratio of the divider in accordance with the variation of said content of the counter, e. A comparator for comparing the frequency and phase of the output signal from said divider and of a reference signal and producing a corresponding output signal, f. a control circuit for varying the frequency of the local frequency signal from said local oscillator in accordance with said output signal from the comparator, g. an address signal generator controlled by the content of said counter and producing a plurality of row and column address signals in a time divisional manner, and h. a display device including indicator elements arranged in a plurality of rows and columns and receiving said row and column address signals for energizing said indicator elements sequentially in accordance with the content of said counter.
Claim 31
Dependent Claim
194 words
A broadcast receiver comprising: a. a variable local oscillator for generating local frequency signals, b. a divider for dividing the local frequency signal from said local oscillator by a variable dividing ratio, c. a pulse generator, d. a counter, the content of which is varied in accordance with the number of pulses generated by said pulse generator, for varying said dividing ratio of the divider in accordance with the variation of said content of the counter, e. A comparator for comparing the frequency and phase of the output signal from said divider and of a reference signal and producing a corresponding output signal, f. a control circuit for varying the frequency of the local frequency signal from said local oscillator in accordance with said output signal from the comparator, g. an address signal generator controlled by the content of said counter and producing a plurality of row and column address signals in a time divisional manner, and h. a display device including indicator elements arranged in a plurality of rows and columns and receiving said row and column address signals for energizing said indicator elements sequentially in accordance with the content of said counter.
Claim 32
Dependent Claim
18 words
A broadcast receiver according to claim 29; in which each of said indicator elements is a neon lamp.
Claim 33
Dependent Claim
26 words
A broadcast receiver according to claim 29; in which the number of said indicator elements is equal to the number of dividing ratios of said divider.
Claim 34
Dependent Claim
178 words
A braodcast receiver comprising: a. means for detecting the reception radio waves, b. a variable local oscillator for generating local frequency signals, c. a divider for dividing said local frequency signals by a variable dividing ratio, d. a pulse generator, e. a counter, the content of which is varied in accordance with a number of pulses generated by said pulse generator, for varying said dividing ratio of the divider in accordance with the variation of said content, f. a comparator for comparing the output signal from said divider with a reference signal in a frequency and phase and for producing a corresponding output signal, g. a control circuit for varying the local frequency signal from said local oscillator in accordance with said output signal from the comparator, h. memory means including a plurality of non-voltaic memory elements, and i. circuit means connected between said detecting means and said memory means for storing a memory signal in a selected one of said memory elements in response to the detection of the reception of radio waves by said detecting means.
Claim 35
Dependent Claim
178 words
A braodcast receiver comprising: a. means for detecting the reception radio waves, b. a variable local oscillator for generating local frequency signals, c. a divider for dividing said local frequency signals by a variable dividing ratio, d. a pulse generator, e. a counter, the content of which is varied in accordance with a number of pulses generated by said pulse generator, for varying said dividing ratio of the divider in accordance with the variation of said content, f. a comparator for comparing the output signal from said divider with a reference signal in a frequency and phase and for producing a corresponding output signal, g. a control circuit for varying the local frequency signal from said local oscillator in accordance with said output signal from the comparator, h. memory means including a plurality of non-voltaic memory elements, and i. circuit means connected between said detecting means and said memory means for storing a memory signal in a selected one of said memory elements in response to the detection of the reception of radio waves by said detecting means.
Claim 36
Dependent Claim
66 words
A broadcast receiver accorDing to claim 32; further comprising an address signal generator which is controlled by the content of said counter and produces address signals corresponding to a plurality of rows and columns in a time divisional manner; and in which said memory elements of said memory means are arranged in a plurality of row and column directions and supplied with said address signals, respectively.
Claim 37
Dependent Claim
52 words
A broadcast receiver according to claim 33; in which said memory means further includes read-out means for reading out signals stored in said memory elements; and further comprising means responsive to a read out signal from said read-out means to stop the operation of said pulse generator during a predetermined time interval.
Claim 38
Dependent Claim
51 words
A broadcast receiver according to claim 32; in which each of said non-voltaic memory elements of said memory means consists of a semiconductive element having first, second and third electrodes, and said first electrode is supplied with a pulse in response to said detection of radio waves by said detecting means.
Claim 39
Dependent Claim
37 words
A broadcast receiver according to claim 35; further comprising a source of negative voltage, and switch means actuable for connecting said first electrode to said negative voltage source for erasing a signal stored in said memory element.
Claim 40
Dependent Claim
80 words
A broadcast receiver according to claim 33; in which each of said memory elements is a semiconductive element having first, second, and third electrodes, one of said row and column address signals is applied to said first electrode, said circuit means is connected with said second electrode for applying the output of said detecting means thereto, and the other of said address signals is applied to said third electrodes; and further comprising an electric source connected with said second electrode.
Claim 41
Dependent Claim
28 words
A broadcast receiver according to claim 37; further comprising means for connecting said second electrode to read-out means for reading out a signal stored in said memory element.
Claim 42
Dependent Claim
40 words
A broadcast receiver according to claim 32; further comprising a manually actuable mode selecting switch, and a second pulse generator producing a single pulse for correspondingly changing the content of said counter each time said mode selecting switch is actuated.
Claim 43
Dependent Claim
78 words
A broadcast receiver according to claim 32; further comprising read-out means operable for reading out signals stored in said memory elements, a manually actuable mode selecting switch, a second pulse generator which generates pulses for changing the content of said counter in response to actuation of said mode selecting switch, and means for halting the operation of said second pulse generator in response to the reading out of a signal from said memory means by said read-out means.
Claim 44
Dependent Claim
241 words
A broadcast receiver comprising: a. a detector for providing a detector output upon detecting the reception of radio waves, b. a variable local oscillator for generating local frequency signals, c. a divider for dividing said local frequency signals by a variable dividing ratio, d. a pulse generator, e. a counter, the content of which is varied in accordance with the number of pulses generaged by said pulse generator, for varying said dividing ratio of the divider, f. a comparator for comparing the output signal from said divider with a reference signal in frequency and phase and for producing a comparison output, g. a control circuit for varying the frequency of the local frequency signal from said local oscillator in correspondence with said output from said comparator, h. an address signal generator controlled by the content of said counter and producing a plurality of row and column address signals in a time divisional manner, i. a display means including indicator elements arranged in a plurality of rows and columns and being controllable by said address signals corresponding to the respective rows and columns. j. memory means including a plurality of non-voltaic memory elements arranged in rows and columns And receiving said address signals corresponding to the respective rows and columns, and k. memory control circuit means actuable by said detector output for causing one of said address signals then received by a memory element to store a memory thereof in said element.
Claim 45
Dependent Claim
241 words
A broadcast receiver comprising: a. a detector for providing a detector output upon detecting the reception of radio waves, b. a variable local oscillator for generating local frequency signals, c. a divider for dividing said local frequency signals by a variable dividing ratio, d. a pulse generator, e. a counter, the content of which is varied in accordance with the number of pulses generaged by said pulse generator, for varying said dividing ratio of the divider, f. a comparator for comparing the output signal from said divider with a reference signal in frequency and phase and for producing a comparison output, g. a control circuit for varying the frequency of the local frequency signal from said local oscillator in correspondence with said output from said comparator, h. an address signal generator controlled by the content of said counter and producing a plurality of row and column address signals in a time divisional manner, i. a display means including indicator elements arranged in a plurality of rows and columns and being controllable by said address signals corresponding to the respective rows and columns. j. memory means including a plurality of non-voltaic memory elements arranged in rows and columns And receiving said address signals corresponding to the respective rows and columns, and k. memory control circuit means actuable by said detector output for causing one of said address signals then received by a memory element to store a memory thereof in said element.
Claim 46
Dependent Claim
34 words
A broadcast receiver according to claim 41; further comprising stop circuit means responsive to the attainment of a predetermined value by said content of the counter for halting the operation of said pulse generator.
Claim 47
Dependent Claim
61 words
A broadcast receiver according to claim 42; further comprising a second pulse generator, means for initiating operation of said second pulse generator in response to said halting of the operation of the first mentioned pulse generator by said stop circuit means, and means for applying to said counter the pulse generated by said second pulse generator upon operation of the latter.
Claim 48
Dependent Claim
41 words
A broadcast receiver according to claim 41; further comprising read-out means for reading out said memory stored in any of said memory elements, and means for energizing said indicator elements of said display means by the output from said read-out means.
Claim 49
Dependent Claim
125 words
A broadcast receiver according to claim 41; further comprising a stop pulse generator for producing a stop pulse when the content of said counter becomes a predetermined value, means responsive to said stop pulse for halting operation of said pulse generator, a second pulse generator which has its operation initiated by said stop pulse, a circuit for applying the pulse from said second pulse generator to said counter, read-out means for reading out said memory stored in any of said memory elements, means for energizing said indicator elements of said display means by the output from said read-out means, and a circuit for stopping the operation of said second pulse generator for a predetermined time interval in response to said output from said read-out means.
Claim 50
Dependent Claim
24 words
A broadcast receiver according to claim 45; in which each of said indicator elements of said display means has associated manually closable switch means.
Claim 51
Dependent Claim
43 words
A broadcast receiver according to claim 46; further comprising switch detector means for detecting the closing of said switch means, and circuit means for starting the operation of said second pulse generator in response to an output signal from said switch detector means.
Claim 52
Dependent Claim
32 words
A broadcast receiver according to claim 45; in which each of said indicator elements of said display means is a neon lamp and has a manually operable switch connected in parallel thereto.
Claim 53
Dependent Claim
49 words
A broadcast receiver according to claim 41; further comprising a manually actuable mode selecting switch, a second pulse generator operable to produce a single pulse on each actuation of said mode selecting switch, and means for applying the last mentioned pulse to said counter and to said display means.
Claim 54
Dependent Claim
48 words
A broadcast receiver according to claim 41; further comprising a manually actuable mode selecting switch, a second pulse generator operable to produce pulses so long as said mode selecting switch is actuated, and means for applying the last mentioned pulses to said counter and to said display means.
Claim 55
Dependent Claim
83 words
A broadcast receiver according to claim 41; further comprising a manually actuable mode selecting switch, a second pulse generator for prouding pulses upon the actuation of said mode selecting switch, means for applying the last mentioned pulses to said counter for varying said content thereof, readout means for reading out said memory stored in any of said memory elements, and means for halting the operation of said second pulse generator in response to the read out of a memory by said read-out means.
Claim 56
Dependent Claim
33 words
A broadcast receiver according to claim 51; further comprising means for restarting the operation of said second pulse generator a predetermined time interval following said halting of the operation by said read out.
Claim 57
Dependent Claim
37 words
A broadcast receiver according to claim 41; in which each of said memory elements is a semiconductive element haviNg first, second and third electrodes thereon, and said memory control circuit means is connected to said first electrode.
Claim 58
Dependent Claim
36 words
A broadcast receiver according to claim 53; in which memory control circuit means includes potential changing means for changing the potential of said one address signal applied to said first electrode in at least three steps.
Claim 59
Dependent Claim
39 words
A broadcast receiver according to claim 54; in which said potential changing means includes a resistive divider for selectively establishing first and second potential level steps, and a source of negative voltage for establishing a third potential level step.
Claim 60
Dependent Claim
18 words
A broadcast receiver according to claim 55; in which said resistive divider is controlled by said detector output.
Claim 61
Dependent Claim
32 words
A broadcast receiver according to claim 41; further comprising circuit means for erasing said memory stored in any of said memory elements by the application to the latter of a predetermined potential.
Claim 62
Dependent Claim
31 words
A broadcast receiver according to claim 57; in which said circuit means for erasing said memory includes a source of negative voltage and is controllable by said memory control circuit means.
Claim 63
Dependent Claim
58 words
A broadcast receiver according to claim 41; in which each of said memory elements includes a semiconductive element having first, second and third electrodes thereon, said first electrode receives one of said address signals and said third electrode receives the other of said address signals, and an electric power source is provided for connection to said second electrode.
Claim 64
Dependent Claim
27 words
A broadcast receiver according to claim 59; further comprising read-out means connected with said second electrode of said memory element for reading out said memory stored therein.
Claim 65
Dependent Claim
85 words
A broadcast receiver according to claim 41; further comprising second memory means including a plurality of non-voltaic memory elements arranged in rows and columns and receiving said address signals corresponding to the respective rows and columns, second memory control circuit means actuable by said detector output for causing said one of the address signals then received by a memory element of said second memory means to be stored in that memory element, and means for selectively energizing one of said first and second memory means.
Claim 66
Dependent Claim
34 words
A broadcast receiver according to claim 61; further comprising stop circuit means responsive to the attainment of a predetermined value by said content of the counter for halting the operation of said pulse generator.
Claim 67
Dependent Claim
115 words
A broadcast receiver according to claim 61; further comprising a stop pulse generator for producing a stop pulse when the content of said counter becomes a predetermined value, which stop pulse halts the operation of the first mentioned pulse generator, a second pulse generator having its operation started by said stop pulse, a circuit for applying pulses from said second pulse generator to said counter, readout means for reading out the memory stored in at least one of said first and second memory means, means for energizing said display means by the read-out from said read-out means, and a circuit for temporarily stopping the operation of said second pulse generator by means of said read-out.
Claim 68
Dependent Claim
25 words
A broadcast receiver according to claim 63; in which each of said indicator elements of said display means has manually operable switch means associated therewith.
Claim 69
Dependent Claim
42 words
A broadcast receiver according to claim 64; further comprising switch detector means for detecting the operation of said switch means, and a circuit for starting the operation of said second pulse generator in response to an output from said switch detector means.
Claim 70
Dependent Claim
32 words
A broadcast receiver according to claim 63; in which each of said indicator elements of said display means is a neon lamp and has a manually operable switch connected in parallel thereto.
Claim 71
Dependent Claim
49 words
A broadcast receiver according to claim 61; further comprising a manually actuable mode selecting switch, a second pulse generator operable to produce a single pulse on each actuation oF said mode selecting switch, and means for applying the last mentioned pulse to said counter and to said display means.
Claim 72
Dependent Claim
48 words
A broadcast receiver according to claim 61; further comprising a manually actuable mode selecting switch, a second pulse generator operable to produce pulses so long as said mode selecting switch is actuated, and means for applying the last mentioned pulses to said counter and to said display means.
Claim 73
Dependent Claim
88 words
A broadcast receiver according to claim 61; further comprising a manually actuable mode selecting switch, a second pulse generator for producing pulses upon the actuation of said mode selecting switch, means for applying the last mentioned pulses to said counter for varying the content thereof, read-out means for reading out the memory stored in at least one of said first and second memory means, and means for halting the operation of said second pulse generator in response to the read out of a memory by said read-out means.
Claim 74
Dependent Claim
32 words
A broadcast receiver according to claim 69; further comprising means for restarting the operation of said second pulse generator a predetermined time interval following said halting of the operation by said read-out.
Claim 75
Dependent Claim
24 words
A broadcast receiver according to claim 69; further comprising means for applying said pulses produced by said second pulse generator to said display means.
Claim 76
Dependent Claim
68 words
A broadcast receiver according to claim 61; further comprising write signal circuit means connected to at least one of said first and second memory control circuit means and including a manually actuable switch, means for producing a pulse upon actuation of said switch, and means for applying said one address signal through said one memory control circuit means to the corresponding memory element of the respective memory means.
Claim 77
Dependent Claim
43 words
A broadcast receiver according to claim 61; in which each of said memory elements of said first and second memory means is a semiconductive element having first, second and third electrodes, said first electrode being connected to the respective memory control circuit means.
Claim 78
Dependent Claim
43 words
A broadcast receiver according to claim 73; in which each of said memory control circuit means includes potential varying means for varying the potential of said one address signal applied to said first electrode of said memory element in at least three steps.
Claim 79
Dependent Claim
39 words
A broadcast receiver according to claim 74; in which said potential varying means includes a resistive divider for varying said one address signal in two steps and a negative voltage source for obtaining a third step of said potential.
Claim 80
Dependent Claim
18 words
A broadcast receiver according to claim 75; in which said resistive divider is controlled by said detector output.
Claim 81
Dependent Claim
40 words
A broadcast receiver according to claim 73; in which said first, second and third electrodes of said memory element are supplied with said one address signal, the voltage of a power source and the other of said address signals, respectively.
Claim 82
Dependent Claim
32 words
A broadcast receiver according to claim 77; in which a read-out terminal is connected to said second electrode of said memory element for reading out the memory stored in said memory elements.
Claim 83
Dependent Claim
36 words
A broadcast receiver according to claim 61; further comprising circuit means for erasing the memory stored in each of said memory elements of a selected one of said memory means by applying thereto a predetermined potential.
Claim 84
Dependent Claim
33 words
A broadcast receiver according to claim 79; in which said erasing circuit means includes a negative voltage source and is controlled by said memory control circuit means associated with said selected memory means.
Claim 85
Dependent Claim
108 words
A broadcast receiver comprising frequency synthesizer means including a counter having a variable content and local oscillator means for generating a local frequency signal that is varied in accordance with said content of the counter, pulse generating means operative to vary the content of said counter, detector means operative to provide a detector output upon detecting the reception of radio waves, memory means including meMory elements each corresponding to a respective content of said counter, and means made operative by said detector output for storing a memory signal in the one of said memory elements corresponding to the content of said counter which results in said detector output.
Claim 86
Dependent Claim
108 words
A broadcast receiver comprising frequency synthesizer means including a counter having a variable content and local oscillator means for generating a local frequency signal that is varied in accordance with said content of the counter, pulse generating means operative to vary the content of said counter, detector means operative to provide a detector output upon detecting the reception of radio waves, memory means including meMory elements each corresponding to a respective content of said counter, and means made operative by said detector output for storing a memory signal in the one of said memory elements corresponding to the content of said counter which results in said detector output.
Claim 87
Dependent Claim
45 words
A broadcast receiver according to claim 81; further comprising display means including indicator elements each corresponding to a respective one of said memory elements, and means for energizing each of said indicator elements upon the storing of a memory signal in the respective memory element.
Claim 88
Dependent Claim
36 words
A broadcast receiver according to claim 82; further comprising control means for halting the operation of said pulse generating means when said content of the counter corresponds to a selected one of the energized indicator elements.
Claim 89
Dependent Claim
36 words
A broadcast receiver according to claim 82; further comprising control means for operating said pulse generating means until the content of said counter corresponds to the next memory element in which a memory signal is stored.
Claim 90
Dependent Claim
43 words
A broadcast receiver according to claim 82; further comprising control means for operating said pulse generating means with a predetermined pause in such operation at each content of said counter which corresponds to a memory element in which a memory signal is stored.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |