Pulse signal transmitter and receiver

Claim 2

A pulse signal transmitter comprising a. means for manually selecting a desired code, b. means for converting said selected code into a binary code, c. means for storing said binary code, d. pulse generator means actuable in response to the code selection by said code selection means for producing a series of pulses, e. counter means connecteD to count the pulses from said pulse generator means, f. comparator means connected to said counter means and storing means for producing a coincidence signal when the content in said counter means coincides with that in said storing means, g. means for inhibiting further output pulses of said pulse generator means in response to said coincidence signal, and h. means for modulating and transmitting the pulses produced by said pulse generator means.

Claim 3

A pulse signal transmitter as defined in claim 1 wherein said modulating and transmitting means comprises an oscillator adapted to oscillate at a frequency considerably higher than the repetitive frequency of the pulses from said control means for a time interval equal to the pulses duration thereby modulating said pulses.

Claim 4

A pulse signal transmitter as defined in claim 1 wherein said inhibiting means comprises means for deenergizing said in response to said coincidence signal from said comparator means.

Claim 5

A pulse signal transmitter as defined in claim 2 wherein said pulse generator means comprises an astable multivibrator and gate means for passing the output pulses of said pulse generator in response to the output of said astable multivibrator, said output of said multivibrator comprising a gating signal.

Claim 6

A pulse signal transmitter as defined in claim 2 wherein said oscillator means includes switching means for permitting said oscillator means to oscillate at one of a plurality of predetermined frequencies.

Claim 7

A pulse signal transmitter as defined in claim 4 wherein said gate means comprises an AND circuit connected to provide output when the output of said pulse generator means and said coincidence signal of said comparator means are simultaneously applied thereto so that said oscillator means may be energized only in the presence of said output of said AND circuit.

Claim 8

A pulse signal receiver adapted to receive a pulse signal transmitted from a transmitter comprising a. a microphone adapted to receive said modulated pulse signal from said transmitter, b. a plurality of frequency discriminator means for detecting the output of said microphone, c. means for counting and storing the output pulses from said plurality of frequency discriminator means, d. means for converting the output of said counting and storing means into a decimal number, and e. a plurality of AND gate means and means applying the outputs of said converter means and of said plurality of frequency discriminator means to said AND gate means as inputs.

Claim 9

A pulse signal receiver adapted to receive a pulse signal transmitted from a transmitter comprising a. a microphone adapted to receive said modulated pulse signal from said transmitter, b. a plurality of frequency discriminator means for detecting the output of said microphone, c. means for counting and storing the output pulses from said plurality of frequency discriminator means, d. means for converting the output of said counting and storing means into a decimal number, and e. a plurality of AND gate means and means applying the outputs of said converter means and of said plurality of frequency discriminator means to said AND gate means as inputs.

Claim 10

A pulse signal receiver as defined in claim 7 comprising a variable resistor, wherein one end of said variable resistor is connected to each of the output terminals of said plurality of AND gate means so as to impress thereon a predetermined voltage, the other end of said variable resistor being connected through a resistor to a common output terminal, and a diode inserted between a sliding arm of said last mentioned resistor and said common output terminal in order to prevent reverse current flow.

Claim 11

A pulse signal receiver as defined in claim 7 wherein said counting and storing means is set in response to the first pulse from said detector means and is adapted to count and store pulses after the occurrence of said first pulse.

Claim 12

In a pulse signal transmitter and receiver system of the type including a pulse signal transmitter capable of transmitting the energy of an oscillator for oscillating a continuous wave modulated by coded pulses, a receiver by way of a radiator means, for the purpose of remotely controlling a number of functions in said receiver, and a pulse signal receiver capable of receiving said transmitted energy from said pulse transmitter, and of converting said coded pulses into a control for controlling said functions of said receiver; the improvement wherein said pulse signal transmitter comprises: a. a code selector means for selecting a desired code, b. a decoder means for coNverting the code selected by said code selector means into a binary code, c. a memory means for storing said binary code derived from an output of said decoder, d. a pulse generator means connected to be actuated in response to the code selected by said code selector means, e. a counter means connected to count the number of the pulses from the output of said pulse generator means, f. a comparator means connected to provide a coincidence signal when the contents in said counter means coincide with that in said storing means by comparing both of said contents, g. a gate means, using the output signal of said comparator means as a gating signal, and connected to pass the output pulses of said pulse generator means until said coincidence signal is derived. h. a switching means connected to be actuated in response to the output signals from said gate means, i. oscillator means connected to produce a continuous wave oscillation in response to said switching means, at a frequency considerably higher than the repetitive frequency of the pulses derived from said pulse generator means, for a time interval equal to the pulse duration, and j. a radiator means for transmitting the output signals of said oscillator means toward said receiver, and said pulse signal receiver comprisies: k. a receiving element adapted to receiving said transmitted signals, l. a detector means for detecting the output of said receiving element, m. a counter means for counting the pulses of the output of said detector means, and for storing said received signals as a binary code, n. a generator means for generating a read-out signal for reading out said stored binary coded signals, and o. a decoder means connected to convert the output of said counter means into a decimal number control signal.

Claim 13

In a pulse signal transmitter and receiver system of the type including a pulse signal transmitter capable of transmitting the energy of an oscillator for oscillating a continuous wave modulated by coded pulses, a receiver by way of a radiator means, for the purpose of remotely controlling a number of functions in said receiver, and a pulse signal receiver capable of receiving said transmitted energy from said pulse transmitter, and of converting said coded pulses into a control for controlling said functions of said receiver; the improvement wherein said pulse signal transmitter comprises: a. a code selector means for selecting a desired code, b. a decoder means for coNverting the code selected by said code selector means into a binary code, c. a memory means for storing said binary code derived from an output of said decoder, d. a pulse generator means connected to be actuated in response to the code selected by said code selector means, e. a counter means connected to count the number of the pulses from the output of said pulse generator means, f. a comparator means connected to provide a coincidence signal when the contents in said counter means coincide with that in said storing means by comparing both of said contents, g. a gate means, using the output signal of said comparator means as a gating signal, and connected to pass the output pulses of said pulse generator means until said coincidence signal is derived. h. a switching means connected to be actuated in response to the output signals from said gate means, i. oscillator means connected to produce a continuous wave oscillation in response to said switching means, at a frequency considerably higher than the repetitive frequency of the pulses derived from said pulse generator means, for a time interval equal to the pulse duration, and j. a radiator means for transmitting the output signals of said oscillator means toward said receiver, and said pulse signal receiver comprisies: k. a receiving element adapted to receiving said transmitted signals, l. a detector means for detecting the output of said receiving element, m. a counter means for counting the pulses of the output of said detector means, and for storing said received signals as a binary code, n. a generator means for generating a read-out signal for reading out said stored binary coded signals, and o. a decoder means connected to convert the output of said counter means into a decimal number control signal.

Claim 14

A system as defined in claim 10 comprising means for deenergizing said pulse generator means in response to said coincidence signal from said comparator means.

Claim 15

A system as defined in claim 10 wherein said pulse generator means comprises a monostable multivibrator controlled in response to said coincidence signal derived from said comparator means, and means applying the output signal of said monostable multivibrator to said AND gate circuit as a gating signal for permitting said pulse generator means to generate said pulses during the time when said code selector means is operated.

Claim 16

A system as defined in claim 10 wherein said pulse signal receiver further comprises a. a plurality of frequency discriminator means connected to detect a modulated-pulse signal received from said transmitter, b. a plurality of memory means connected to respectively store each of the output pulses from said plurality of frequency discriminator means, c. a counter means connected to count any output pulses from said plurality of memory means through an or gate connected to each of said plurality of memory means, d. means for converting the output of said counter means into a decimal number signal by said decoder means, and e. a plurality of AND gate means connected to produce an output signal only when the respective output signals from said decoder means and from said plurality of memory means are applied to said AND gate simultaneously.

Claim 17

A system as defined in claim 10 wherein said pulse generator means further comprises an RS flip-flop connected to be actuated in response to the output of said decoder means, a switching element connected to be actuated in response to the output of said RS flip-flop, and means for energizing and de-energizing said pulse generator means in response to said switching element, whereby said pulse generator means is actuated in response to the operation of said code selector means.