US3723652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical circuit for enabling the visual display of an audio signal by a conventional television receiver
Assignee: Individual
•
Filing: 1970-10-12
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Granted: 1973-03-27
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Expires: 1990-10-12
Abstract
Abstract An audio-video interface network for transforming audio signals from an audio source into a form suitable for reception and visual display by an unaltered black-and-white or color television receiver whereby multifarious kaleidoscopic visual interpretations of the audio input signals may be entertainingly displayed upon the face of the television receiver. The interface network includes an audio signal separator for separating the audio input signals into a plurality of different frequency bands, an internal pattern generator responsive to the separated audio signals for generating a plurality of electrical signals each uniquely representative of the content of the audio input signals, and a video signal generator responsive to the separated audio input signals and the plurality of electrical signals for generating a modulated radio frequency television signal representative of the separated audio input signals as well as the internally generated electrical signals.
Inventors
- 👤 H Alles
- 👤 J Nosler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:25
CPC Classifications
A; A63; A63J; A63J17/00; H; H04; H04N; H04N11/00
Claims Analysis
Total Claims: 41
Claim 1
Independent Claim
222 words
An audio-video interface network for transforming audio signals from an audio source into a form suitable for reception and visual display by an unaltered standard television receiver, comprising in combination audio separating means adapted to be connected with the audio source for separating the audio signals into a plurality of audio signals lying within a plurality of audio frequency bands; pattern generating means connected with said audio separating means for generating a plurality of electrical signals, said pattern generating means being responsive to said plurality of separated audio signals to vary the waveform of each of said plurality of electrical signals in accordance with the content of said plurality of separated audio signals; and video signal generating means connected with said audio separating means and said pattern generating means and adapted to be coupled with the television receiver for generating a modulated radio frequency television signal, said video signal generating means being responsive to said plurality of electrical signals from said pattern generating means and said plurality of separated audio signals to vary the video modulation carried by said generated radio frequency television signal in accordance with audio information carried by said plurality of separated audio signals and the waveform of said plurality of electrical signals whereby the television receiver displays a continually changing visually perceptible interpretation of the applied audio signals.
Claim 2
Dependent Claim
222 words
An audio-video interface network for transforming audio signals from an audio source into a form suitable for reception and visual display by an unaltered standard television receiver, comprising in combination audio separating means adapted to be connected with the audio source for separating the audio signals into a plurality of audio signals lying within a plurality of audio frequency bands; pattern generating means connected with said audio separating means for generating a plurality of electrical signals, said pattern generating means being responsive to said plurality of separated audio signals to vary the waveform of each of said plurality of electrical signals in accordance with the content of said plurality of separated audio signals; and video signal generating means connected with said audio separating means and said pattern generating means and adapted to be coupled with the television receiver for generating a modulated radio frequency television signal, said video signal generating means being responsive to said plurality of electrical signals from said pattern generating means and said plurality of separated audio signals to vary the video modulation carried by said generated radio frequency television signal in accordance with audio information carried by said plurality of separated audio signals and the waveform of said plurality of electrical signals whereby the television receiver displays a continually changing visually perceptible interpretation of the applied audio signals.
Claim 3
Dependent Claim
27 words
The invention as recited in claim 1 wherein said audio separating means comprises first and second filter means each adapted to be connected with the audio source.
Claim 4
Dependent Claim
84 words
The invention as recited in claim 2 wherein said first filter means comprises high pass filter means adapted to receive the audio signals from the audio source for providing high frequency audio signals at a first output terminal, first rectifying means connected with said high pass filter means for providing rectified high frequency audio signals at a second output terminal, and first filter means connected with said first rectifying means for providing rectified and filtered high frequency audio signals at a third output terminal.
Claim 5
Dependent Claim
82 words
The invention as recited in claim 3 wherein said second filter means comprises low pass filter means adapted to receive the audio signals from the audio source for providing low frequency audio signals at a fourth output terminal, second rectifying means connected with said low pass filter means for providing rectified low frequency audio signals at a fifth output terminal, and second filter means connected with said second rectifying means for providing filtered low frequency audio signals at a sixth output terminal.
Claim 6
Dependent Claim
42 words
The invention as recited in claim 1 wherein said pattern generating means comprises monostable means responsive to said plurality of separated audio signals for generating a plurality of unique aperiodic output signals representative of the informatiOn carried by said separated audio signals.
Claim 7
Dependent Claim
30 words
The invention as recited in claim 5 wherein said pattern generating means further comprises signal processing means connected with said monostable means for integrating said plurality of aperiodic output signals.
Claim 8
Dependent Claim
22 words
The invention as recited in claim 6 wherein said monostable means comprises a plurality of variable-duration monostable multivibrators connected in cascade arrangement.
Claim 9
Dependent Claim
38 words
The invention as recited in claim 7 wherein said pattern generating means further comprises a plurality of switch means selectively connecting at least one of said plurality of separated audio signals with each of said monostable multivibrator means.
Claim 10
Dependent Claim
78 words
The invention as recited in claim 1 wherein said video signal generating means generates a modulated radio frequency color television signal and includes a color subcarrier oscillator, first circuit means connected with said oscillator for generating a plurality of mutually exclusive square wave signals at the frequency of said subcarrier oscillator, and second circuit means connected with said first circuit means for combining said generated plurality of square wave signals to form a composite video color modulating signal.
Claim 11
Dependent Claim
61 words
The invention as recited in claim 9 wherein said video signal generating means further includes third circuit means connected with said audio separating means, said pattern generating means and said first and second circuit means for applying each of said plurality of square wave signals to said second circuit means in response to said separated audio signals and said electrical signals.
Claim 12
Independent Claim
119 words
A device for converting audio signals into a form suitable for display by a television receiver, comprising in combination input means adapted to be connected with a source of audio signals; pattern generating means connected with said input means and responsive to said audio signals for generating an electrical signal representative of said audio signals and having a duty cycle greater than the television receiver blanking interval; said pattern generating means generating a rectangular wave having a duty cycle responsive to the amplitude of said audio signals; and coupling means adapted to be connected with a television receiver for coupling said electrical signal to the television receiver whereby a visually perceptible interpretation of said audio signals may be displayed.
Claim 13
Independent Claim
119 words
A device for converting audio signals into a form suitable for display by a television receiver, comprising in combination input means adapted to be connected with a source of audio signals; pattern generating means connected with said input means and responsive to said audio signals for generating an electrical signal representative of said audio signals and having a duty cycle greater than the television receiver blanking interval; said pattern generating means generating a rectangular wave having a duty cycle responsive to the amplitude of said audio signals; and coupling means adapted to be connected with a television receiver for coupling said electrical signal to the television receiver whereby a visually perceptible interpretation of said audio signals may be displayed.
Claim 14
Dependent Claim
138 words
In a color television signal generating network having a video color-subcarrier oscillator, the combination comprising first circuit means adapted to be connected with the subcarrier oscillator for generating a plurality of mutually exclusive phase-shifted square wave signals at the frequency of the subcarrier oscillator; second circuit means connected with said first circuit means for combining said generated plurality of square wave signals to form a composite video color modulating signal; and third circuit means connected with said first and second circuit means and adapted to be connected with a source of electrical signals, said third circuit means responsive to said electrical signals for directly applying each of said plurality of square wave signals to said second circuit means in accordance with said electrical signals whereby said video color modulating signal is representative of a plurality of different colors.
Claim 15
Dependent Claim
138 words
In a color television signal generating network having a video color-subcarrier oscillator, the combination comprising first circuit means adapted to be connected with the subcarrier oscillator for generating a plurality of mutually exclusive phase-shifted square wave signals at the frequency of the subcarrier oscillator; second circuit means connected with said first circuit means for combining said generated plurality of square wave signals to form a composite video color modulating signal; and third circuit means connected with said first and second circuit means and adapted to be connected with a source of electrical signals, said third circuit means responsive to said electrical signals for directly applying each of said plurality of square wave signals to said second circuit means in accordance with said electrical signals whereby said video color modulating signal is representative of a plurality of different colors.
Claim 16
Dependent Claim
19 words
The invention as recited in claim 12 wherein said first circuit means comprises a plurality of NOR logic gates.
Claim 17
Dependent Claim
45 words
The invention as recited in claim 13 wherein an output terminal of a first one of said plurality of NOR logic gates is connected with an input terminal of a second one of said plurality of NOR logic gates by an RC phase shifting network.
Claim 18
Dependent Claim
19 words
The invention as recited in claim 13 wherein said plurality of NOR logic gates comprises seven NOR logic gates.
Claim 19
Dependent Claim
30 words
The invention as recited in claim 12 wherein said plurality of square-wave signals comprises three square wave signals, and wherein said seconD circuit means comprises a three-input NOR logic gate.
Claim 20
Dependent Claim
116 words
In a system for producing continuously varying video interpretations of signals from an audio source, the combination comprising pattern generating means for generating a plurality of different electrical signals and having input terminal means adapted to be connected with the audio source; said pattern generating means being responsive to the audio signals at said input terminal means to vary the waveform of each of said generated plurality of electrical signals in accordance with the tonal content of such audio signals; and signal processing means connected with said pattern generating means for integrating said plurality of electrical signals whereby each of said plurality of electrical signals is uniquely representative of sound information carried by the audio signals.
Claim 21
Dependent Claim
116 words
In a system for producing continuously varying video interpretations of signals from an audio source, the combination comprising pattern generating means for generating a plurality of different electrical signals and having input terminal means adapted to be connected with the audio source; said pattern generating means being responsive to the audio signals at said input terminal means to vary the waveform of each of said generated plurality of electrical signals in accordance with the tonal content of such audio signals; and signal processing means connected with said pattern generating means for integrating said plurality of electrical signals whereby each of said plurality of electrical signals is uniquely representative of sound information carried by the audio signals.
Claim 22
Dependent Claim
38 words
The invention as recited in claim 17 wherein said pattern generating means comprises monostable means responsive to the audio signals for generating a plurality of aperiodic output signals representative of the sound information carried by the audio signals.
Claim 23
Dependent Claim
29 words
The invention as recited in claim 18 wherein said monostable means comprises first, second and third variable-duration monostable multivibrators each generating a different one of said aperiodic output signals.
Claim 24
Dependent Claim
21 words
The invention as recited in claim 19 wherein said first, second and third variable-duration monostable multivibrators are connected in cascade arrangement.
Claim 25
Independent Claim
112 words
A device for converting audio signals into a form suitable for display by a television receiver, comprising in combination input means adapted to be connected with a source of audio signals; pattern generating means for generating a plurality of electrical signals having a duty cycle greater than the television receiver blanking interval; and circuit means connected with said input means and said pattern generating means for combining said audio signals and said electrical signals to provide an output signal, said circuit means being adapted to be connected with the television receiver for coupling said output signal to the television receiver whereby a visually perceptible interpretation of said audio signals may be displayed.
Claim 26
Independent Claim
112 words
A device for converting audio signals into a form suitable for display by a television receiver, comprising in combination input means adapted to be connected with a source of audio signals; pattern generating means for generating a plurality of electrical signals having a duty cycle greater than the television receiver blanking interval; and circuit means connected with said input means and said pattern generating means for combining said audio signals and said electrical signals to provide an output signal, said circuit means being adapted to be connected with the television receiver for coupling said output signal to the television receiver whereby a visually perceptible interpretation of said audio signals may be displayed.
Claim 27
Dependent Claim
24 words
The invention as recited in claim 21 wherein said input means comprises audio means separating said audio signals into a plurality of frequency bands.
Claim 28
Dependent Claim
17 words
The invention as recited in claim 22 wherein said audio means includes a plurality of filter means.
Claim 29
Dependent Claim
25 words
The invention as recited in claim 23 wherein said audio means further includes a plurality of rectifying means connected with said plurality of filter means.
Claim 30
Dependent Claim
33 words
The invention as recited in claim 21 wherein said pattern generating means generates an electrical signal having a frequency which is a rational multiple of the horizontal sweep frequency of the television receiver.
Claim 31
Dependent Claim
16 words
The invention as recited in claim 25 wherein said pattern generating means generates a rectangular wave.
Claim 32
Dependent Claim
16 words
The invention as recited in claim 25 wherein said pattern generating means generates a triangular wave.
Claim 33
Dependent Claim
25 words
The invention as recited in claim 21 wherein said pattern generating means is connected with said input means and is responsive to said audio signals.
Claim 34
Dependent Claim
28 words
The invention as recited in claim 28 wherein said pattern generating means generates a rectangular wave having a duty cycle responsive to the amplitude of said audio signals.
Claim 35
Dependent Claim
44 words
The invention as recited in claim 21 wherein said circuit means includes video signal generating means connected with said input means and said pattern generating means for generating a modulated radio frequency television signal whereby said output signal is in modulated radio frequency form.
Claim 36
Dependent Claim
29 words
The invention as recited in claim 30 wherein said video signal generating means generates a radio frequency signal modulated with synchronization pulses and amplitude modulated by said output signal.
Claim 37
Dependent Claim
27 words
The invention as recited in claim 30 wHerein said video signal generating means generates a modulated radio frequency color television signal and includes a color subcarrier oscillator.
Claim 38
Independent Claim
124 words
A device for converting audio signals into a form suitable for display by a television receiver, comprising in combination input means adapted to be connected with a source of audio signals; pattern generating means connected with said input means and responsive to said audio signals for generating an electrical signal representative of said audio signals and having a duty cycle greater than the television receiver blanking interval; said pattern generating means generating an electrical signal having a frequency which is a rational multiple of the horizontal sweep frequency of the television receiver; and coupling means adapted to be connected with the television receiver for coupling said electrical signal to the television receiver whereby a visually perceptible interpretation of said audio signals may be displayed.
Claim 39
Independent Claim
124 words
A device for converting audio signals into a form suitable for display by a television receiver, comprising in combination input means adapted to be connected with a source of audio signals; pattern generating means connected with said input means and responsive to said audio signals for generating an electrical signal representative of said audio signals and having a duty cycle greater than the television receiver blanking interval; said pattern generating means generating an electrical signal having a frequency which is a rational multiple of the horizontal sweep frequency of the television receiver; and coupling means adapted to be connected with the television receiver for coupling said electrical signal to the television receiver whereby a visually perceptible interpretation of said audio signals may be displayed.
Claim 40
Dependent Claim
16 words
The invention as recited in claim 33 wherein said pattern generating means generates a rectangular wave.
Claim 41
Dependent Claim
16 words
The invention as recited in claim 33 wherein said pattern generating means generates a triangular wave.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |