Matches 551 - 600 out of 689 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >
Match Document Document Title
5245437 Method for selecting channels in a video system using a national television system committee (NTSC) system  
Disclosed is a method a method for selecting channels for all local broadcasts which employ the NTSC system. The improvement is capable of selecting channel 5A which is not selected by the...
5239379 Television signal receiving apparatus  
A television signal receiving apparatus receives a new standard television broadcasting signal in an environment in which conventional standard television broadcasting signals are present. A first...
5237462 Video record stop time setting method  
A video record stop time setting method for a VCR capable of setting the video recording period at a user's discretion by setting or changing the video record stop time at any time. The invention...
5237420 Electronic apparatus having broadcasting system identifier displaying capability  
An electronic apparatus, such as a television receiver, having broadcasting system identifier displaying capability is capable of receiving both signals of a broadcasting system in which the...
5235425 Automatic tuning method and device thereof  
An automatic tuning system for automatically compensating for a tuning error of a TV receiver to maintain a satisfactory receiving state which detects whether an error in a video program system...
RE34340 Closed circuit television system having seamless interactive television programming and expandable user participation  
A closed circuit interactive television system (10) provides a multichannel television signal from a localized head end (12 which is used for individualized interactive selections by a plurality of...
5233424 Amplifier circuit to prevent video "buzzing" sound caused by a turning round of video signal into power source  
In a television receiving apparatus, the output step of a video IF circuit or a video amplifying circuit in the rear step is formed by using an NPN transistor amplifying circuit and PNP transistor...
5233425 Adaptive AFT system with variable step resolution  
A frequency synthesis tuner for a television receiver includes a voltage controlled oscillator (VCO) responsive to a phase locked loop (PLL) for generating a local oscillator signal which is used...
5231493 Video receiver with permanent electronic program journal  
A video receiver is provided having a screen forecast journal with teletext data, collected from different broadcast stations and continuously updated with text pages at preset time intervals. The...
5210504 Semiconductor device for TV tuner and TV tuner using the same  
A semiconductor device for a tuner capable of simultaneously satisfying a low noise factor, low third order distortion characteristics and low power consumption, and a tuner using this...
5200826 TV signal receiving double conversion television tuner system having automatic gain control provisions  
A TV signal receiving system, in order to tune a broadcasting frequency of a desired channel after receiving a TV signal, converts the TV signal into an intermediate frequency having a frequency...
5194953 Segmented bar display for a programmable tuner  
A low cost tuning bar type display for a television tuner is utilized for providing programming position information by segmenting the tuning bar into a predetermined number of dots, each of which...
5194954 Automatic channel sampling picture-in-picture circuitry  
An automatic channel sampler system, including a television signal tuner, displays an array of inset pictures on a display screen each time the receiver is turned on. Each inset picture is a still...
5193005 Channel selecting apparatus having a channel skip function  
In a CATV receiver or television receiver channel selecting apparatus provided with a controlling device wherein, on the basis of a channel-up or channel-down channel selecting operation, data...
5179439 Personal channel display device in a TV program reservation system  
In a TV program reservation system for reserving a TV program suitable to an individual's taste, a reserved TV channel number is always displayed on a display unit of a TV set, and an alarm signal...
5175626 Apparatus providing a clock signal for a digital television receiver in response to a channel change  
A high definition television receiver including digital signal processing circuits receives a high definition television signal containing narrowband high priority information from which a system...
5161023 Previous channel feature in a television receiver having multiple RF inputs  
In a television receiver including a plurality of RF input terminals, each of which having a respective scan list, and each scan list having an associated Last Tuned Channel register, and having a...
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...
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...
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...
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...
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...
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...
5136387 RF modular requiring no test pattern generator  
An RF modulator according to this invention is constructed so as to allow channel setting without a test pattern generator. Specifically, the RF comprises an A/D converter for digitizing the TV...
5132799 Frequency synthesizer-type television signal receiving apparatus comprising AFT function and controlling method therefor  
A PLL frquency synthesizer system television signal receiving apparatus includes a tuner, a control circuit for controlling a channel selecting operation by the tuner, and an intermediate frequency...
5126848 Circuit for preventing the interference of TV channel 6 broadcast  
A circuit prevents the interference of FM radio broadcasting with TV channel 6 broadcast. The circuit comprises a microprocessor for receiving channel selecting data output from a data input device...
5124795 Tier selection control for a television set  
A cable-ready television set having a controller with first and second sets of leads for scanning a plurality of push-button switches and, in response to actuation of the switches, entering into a...
5122878 Television tuner and circuitry for switching between two frequency ranges  
An input circuit and a television tuner for at least two frequency bands. The television tuner has a joint pre-amplifier whose output is connected to two independent, switchable and tunable...
5115317 Tuning apparatus for a television receiver including selectively activated amplifier and local oscillator circuits  
A tuning apparatus is disclosed in which a television signal of either the UHF band or the VHF band is subjected to frequency conversion to obtain an intermediate frequency and, thereby, the...
5083205 Television receiver with memory recall of television broadcast channel and system  
Television receiving apparatus for receiving television signals broadcasted over preselected broadcast channels by different television broadcast systems. Plural demodulators demodulate and...
5068918 Receiver for terrestrial AM and satellite FM-TV broadcasting signals  
A receiver for terrestrial AM-HF-TV signals and satellite FM-HF-TV signals in first and second frequency ranges, respectively, of mutually predominantly equal widths, which succeed each other in...
5045946 Method for multi-screen operation in a picture-in-picture system  
There is provided throughout this paper a method for performing multi-screen in a PIP (picture-in-picture) system having a luminance/color (Y/C) unit 14 for generating a main screen; a PIP unit 11...
5034820 Channel display circuit for distinguishing the existence or nonexistence of the signal at a satellite-broadcast receiver  
A circuit for distinguishing the existence or non-existence of a signal at a satellite-broadcast receiver. The circuit includes an antenna adjusting part aimed toward the satellite after the...
5034819 Channel selecting apparatus and method used in a television receiving apparatus and capable of memorizing channel data  
A channel selecting apparatus for television receivers and the like wherein, in case data showing a predetermined channel are stored in a memory (RAM of a channel selecting microcomputer), a first...
5029015 Video signal recorder/player devices  
A video signal recorder/player device, e.g. a video tape recorder, is adapted to select a playback channel to be any one of a plurality of UHF television channels. A microcontroller in the device...
5014349 Television tuner for common use in BS/UV  
The invention relates to a television receiving tuner for receiving television signals of VHF band/UHF band, a CATV signal, and a satellite television broadcasting signal. As a circuit for...
5010400 Television tuner for receiving multiple band television signals  
A television tuner for use in a television receiver to receive a VHF band signal, a UHF band signal, and a satellite band signal converted from a received satellite signal, all of which are...
5003397 Television receiver including a tuning circuit which comprises a frequency synthesis circuit  
In a television receiver including a frequency synthesis circuit (33) controlled by a phase detection circuit (21), in which an adjustable frequency divider (15) receives a tuning datum which is...
4998292 Programming method and/or equipment for audio or video appliances  
The disclosed embodiment of the invention comprises method and/or equipment to program a video or audio appliance, such as a video recorder, with tuning data such as the channel number, frequency...
4996597 User programmable switching arrangement  
A switching system for a television receiver allows a user to specify which of several input connectors is assigned to which of several signal sources. Thereafter, upon selection of a particular...
4991013 Picture-in-picture television apparatus with sync controlled memory addressing  
An apparatus for processing video signals to produce a combined picture video signal from which a large picture and one or more small pictures being inset in the large picture are simultaneously...
4991011 Interactive television terminal with programmable background audio or video  
Apparatus for use in a television terminal selectively provides a background audio or video signal or both to accompany display of a screen of textual information. The apparatus comprises a tuning...
4975775 Tuner for receiving television signal in frequency division multiplex system and television signal in time division multiplex system  
A tuner for use in two systems utilizes a determining circuit to determine whether or not a baseband signal, after demodulation includes a sound carrier. If a sound carrier is present, the...
4953010 FM demodulator including injection locked oscillator/divider  
An FM demodulator comprises an injection locked oscillator/divider for receiving an input signal to be demodulated. The injection locked oscillator/divider is coupled via a divider to a frequency...
4941050 An afc arrangement for tuning a television receiving apparatus to a select transmission having an actual carrier frequency which differs from a nominal carrrier frequency  
A television receiver has an a.f.c. arrangement for ensuring the correct tuning of a tuner unit (4) which is tuned to the nominal carrier frequency by a tuning voltage (VT). When the tuner unit (4)...
4937821 Pipeline information delivery system  
An information delivery system which continuously provides sets of information which can be selected by a user. Digital data is encoded as analog signals which are used to amplitude modulate a...
4924300 Method of and device for tuning a resonant circuit coupled to a frequency discriminator  
Automatic adjusting device: an oscillator followed by an inverter feeds the resonant circuit, which is followed by a frequency discriminator. The circuit is, for example, the "cloche" circuit of a...
4912433 VCO controlled by separate phase locked loop  
A voltage controlled oscillator (VCO) is controlled by a separate phase locked loop (PLL). The PLL includes a first variable delay circuit of m stages which receives a reference frequency signal...
4908707 Video cassette recorder programming via teletext transmissions  
A system for video recorder programming using existing television broadcast teletext transmissions. The programs required are chosen from schedules displayed on teletext pages, the necessary...
4907292 Television tuner  
A television tuner for three frequency ranges (I, II, III) comprises a common antenna connection (4) for corresponding input filter circuits. The input filter circuits (1, 2, 3) of the two higher...
Matches 551 - 600 out of 689 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >