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5272525 |
System for local wireless transmission of signals at frequencies above 900 MHz
A wireless local transmission system includes a separate transmitter and receiver. The transmitter converts an audio signal and/or an audio and video signal into a modulated signal within the...
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5166798 |
Color TV with satellite broadcast receiver internally installed
A color TV with a satellite broadcast receiver internally installed is disclosed, and the apparatus includes: a tuning section, a satellite tuner, an FM detecting section, a TV tuner, a TV AM...
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5164830 |
Audio level equalization of television sound, broadcast FM and National Weather Service FM radio signals
A television receiver includes a single tuner for tuning both television channels and broadcast FM stations. The tuner serves as the first conversion stage of a double conversion FM receiver, a...
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5148280 |
Stereo FM radio in a television receiver
A television receiver includes a single tuner for tuning both television channels and broadcast FM stations. The tuner is operated at a fixed gain setting in FM reception mode. The tuner serves as...
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5146337 |
Using a first IF of 43.5 MHZ or less in an FM radio in a television tuner
A television receiver includes a single tuner for tuning both television channels and broadcast FM stations. The tuner is operated at a fixed gain setting in FM reception mode. The tuner serves as...
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5146338 |
Fixed RF AGC of a television tuner for FM reception in a television receiver
A television receiver includes a single tuner for tuning both television channels and broadcast FM stations. The tuner is operated at a fixed gain setting in FM reception mode. The tuner serves as...
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5146612 |
Technique for using a subcarrier frequency of a radio station to transmit, receive and display a message together with audio reproduction of the radio program
A message is transmitted on a subcarrier of a main carrier frequency of a radio station. The message is displayed simultaneously with the audible reproduction of the radio program. The message is...
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5144439 |
Mono FM radio in a television receiver
A television receiver includes a single tuner for tuning both television channels and broadcast FM stations. The tuner is operated at a fixed gain setting in FM reception mode. The tuner serves as...
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5144440 |
National weather radio reception by synthesizing only center frequency
A television receiver includes a single tuner for tuning both television channels and broadcast FM stations. The tuner is operated at a fixed gain setting in FM reception mode. The tuner serves as...
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5142370 |
Interrupting the video if signal path during FM radio mode in a television receiver
A television receiver includes a single tuner for tuning both television channels and broadcast FM stations. The tuner serves as the first conversion stage of a double conversion FM receiver,...
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5142369 |
First IF filter with fixed second half-IF trap for use in an FM radio in a television reciever
A television receiver includes a single tuner for tuning both television channels and broadcast FM stations. The tuner is operated at a fixed gain setting in FM reception mode. The tuner serves as...
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5142371 |
FM trap for a television tuner permitting both TV and FM reception through the same tuner
A television receiver includes a single tuner for tuning both television channels and broadcast FM stations. The tuner is operated at a fixed gain setting in FM reception mode. The tuner serves as...
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5138312 |
Pager with a television function
A pager has a TV receiver for receiving a TV radio wave which causes the display to display a TV image. The pager has a color designation circuit for designating a display color of a message. The...
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5128765 |
System for implementing the synchronized superimposition of subliminal signals
An apparatus and system for the controlled delivery of a subliminal video and/or audio message on to a source signal from a video tape player or similar. The source signal is divided into audio and...
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5108335 |
Sound processing system and vehicle harness
The invention is a harness control assembly (10) for a van or the like. The assembly (10) includes a switch (46) on the dashhboard for manually actuating between one of radio (18) or television...
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5103314 |
Color-coded system for selection of RF input terminals and associated scan lists
In a television receiver including a plurality of RF input terminals, each of which having a respective scan list, the channel numbers of respective scan lists are displayed in respective colors to...
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5056138 |
Television selection system
A system connectable into standard television receiver systems for converting predetermined channels thereof to audio only channels and detecting selection of the predetermined channels to cause...
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5023727 |
Method and device for producing a substantially continuous composite video signal
This invention relates to methods for forming a substantially continuous composite video signal. A method for forming a composite signal comprises providing a video signal preprogrammed with data,...
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5019910 |
Apparatus for adapting computer for satellite communications
Computer controllable apparatus for receiving and demodulating a satellite broadcast signal. A programmable radio frequency tuner/demodulator demodulates the broadcast signal to produce a baseband...
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5005013 |
Pager with a display function
A pager has a TV receiver for receiving a TV radio wave which causes the display to display a TV image. The pager has a color designation circuit for designating a display color of a message. The...
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5003395 |
Satellite receiver having an independent active energy dispersal signal generator
In a satellite receiver for a sum signal of a television signal and an energy dispersal signal, the sum signal being frequency-modulated on a carrier, the satellite receiver including a frequency...
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4999831 |
Synchronous quantized subcarrier multiplexer for digital transport of video, voice and data
This invention addresses the digital transmission of wideband video, narrowband audio, and digital information over information networks. More specifically, the invention involves synchronous...
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4974085 |
Television signal substitution
A received television signal (such as a television commercial) is substituted out in favor of a local recorded signal on a record containing the substitute signal. A detector detects a command...
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4905303 |
Television audio signal converter
A converter to convert audio signal associated with commercial television transmissions for input into conventional AM/FM automobile receivers so as to facilitate listening to the audio portions of...
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4698670 |
Cable stereo apparatus
TV cable apparatus wherein a stereo module unit at a user location automatically provides for the presentation of an FM audo channel associated with a particular TV channel. The FM frequency...
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4691236 |
Receiver device in a satellite communication system
A receiver device for a satellite communication system capable of transmitting in either of two modes detects which transmission mode is currently in effect and adjusts its signal processing and...
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4646157 |
Pocket television receivers
A pocket television receiver comprises a receiver body, including a processor unit for processing the broadcast signals and a power source. The receiver body is sized to fit in a garment pocket....
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4449249 |
Televison programming information system
Up to date television programming information along with a commercial is provided for a viewer of television independent of the viewer's television set. Such is accomplished by a radio either AM or...
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4400735 |
Multi-component video system controller
Apparatus for simultaneously controlling the operating modes of a plurality of coupled video signal processing devices is disclosed. Manually operated pushbutton selectors provide D.C. control...
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4396941 |
Combined television receiver/tape recorder/calculator
A new and useful combination of a radio receiver, a television receiver, a tape recorder and an electronic calculator is described. A display (for example, a cathode ray tube) of the television...
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4337480 |
Dynamic audio-video interconnection system
A dynamic audio-video interconnection system for connecting together at least one television receiver and a plurality of peripheral units in home audio-visual installations. By means of a...
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4331974 |
Cable television with controlled signal substitution
A signal substitution system for cable television applies substitute television program signals in at least one substitute channel to the transmission cable along with singal substitution control...
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4319277 |
Institutional audio-visual system including a plural operating mode television receiver
An institutional television system includes a source of standard broadcast composite television signals, an auxiliary source of RF carrier signals conveying sound information exclusive of video...
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4272788 |
Receiver for television sound multiplex broadcasting and FM stereo multiplex broadcasting
A receiver for selectively receiving either an FM-FM type television sound multiplex broadcasting or an FM-AM type FM stereo multiplex broadcasting includes a PLL (phase-locked loop) circuit for...
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4257067 |
Sound enhancement system for television receivers
A conventional sound reproducing device, such as an am/fm stereo radio receiver, including additional speakers and a volume control device, is connected in circuit with the input of a conventional...
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4021737 |
System for processing and transmitting audio signals received from a television set for reproduction by a high fidelity FM receiver
An audio signal coupling and processing system utilizes the electronics and speakers of a high fidelity system for reproduction of TV audio without direct connection between the television set and...
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3922641 |
Automatic video and audio source selector for entertainment center
An automatic electronic control system for a home entertainment center, the system utilizing audio or video signal sensors for the preferential selection of a video tape reader as a signal source...
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3219932 |
Power supply for a transistorized stage in a broadcast receiver
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3135922 |
Television fm tuner converter
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3096397 |
Audio muting circuit
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3062915 |
Combined television receiver and sound system
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3054058 |
Converter and method of signal conversion
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3018330 |
Combination television receiver and audio system
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2865987 |
Means for changing the frequency in combined wireless and television sets
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