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Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 4446443 | Amplifier having reduced power dissipation and improved slew rate An integratable amplifier is disclosed for developing a high level output signal with reduced power dissipation. The amplifier includes a first circuit (108, 110) which responds to an input signal for developing first and second signal currents whose ampl... | 05/01/1984 |
| 4428006 | Television receiver for receiving sound multiplex signals A television receiver capable of reproducing pictures and at least two audio channels from incoming broadcast video signals and also capable of receiving a video and audio signals from a video tape recorder with a video signal being applied to the receive... | 01/24/1984 |
| 4417279 | FM Television signal receiving circuit A receiving circuit for a television receiver for receiving an FM-modulated television signal is disclosed, in which the oscillation frequency of a local oscillator circuit is fine adjusted by a voltage of a sync signal of the FM-modulated television sign... | 11/22/1983 |
| 4414688 | RF-Input stage RF-input stage for TV receivers comprising a field effect transistor in grounded source circuit configuration and a frequency-dependent coupling network arranged between the gate electrode of the field effect transistor and an aerial input for selecting T... | 11/08/1983 |
| 4410864 | Impedance transformation network for a SAW filter The IF section of a television receiver includes an amplifier having an input terminal for receiving an IF signal and an output terminal at which an amplified version of the IF signal is developed and a SAW filter having two input terminals, one of which ... | 10/18/1983 |
| 4398220 | Circuit for detecting the operational state of a television receiver The present invention comprises a tuning detecting circuit, a synchronization detecting circuit, an audio noise detecting circuit, a logic circuit and a muting circuit. According to the present invention, a tuning detecting circuit detects the tuning stat... | 08/09/1983 |
| 4387398 | Television video signal detector The video IF signal is applied to a carrier amplifier so that the signal is amplified and limited in amplitude and consequently only the carrier can be derived. The video IF signal is also amplified by a linear amplifier and compensated by a phase compens... | 06/07/1983 |
| 4383273 | Large scale, single chip integrated circuit television receiver subsystems A single chip integrated circuit that performs the electronic functions of a monochrome television receiver with the exception of the RF tuner, sound channel, and power output stages. The circuit includes video IF/detector and video processing as well as ... | 05/10/1983 |
| 4370676 | Carrier regenerating circuit for a synchronous detector A synchronous detector for detecting an information signal modulated onto a carrier, such as a video IF signal, is disclosed in which there are provided a circuit for supplying the modulated information signal in the form of a vestigial sideband signal, a... | 01/25/1983 |
| 4361854 | Video switch for a VTR-compatible television receiver A circuit for coupling the demodulated composite video signal to a Video Tape Recorder and for selectively coupling either that signal or a signal from an alternate source to the receivers video processing circuitry. The circuit includes diodes having inp... | 11/30/1982 |
| 4335404 | Video signal mixer apparatus and method A method and apparatus for simultaneously delivering an external source of program material and the program material normally received by a television antenna to the antenna input terminals of a television set.... | 06/15/1982 |
| 4331977 | Portable television controller with electronic switching An electronic switch is provided for use in a battery-powered portable television receiver which eliminates power supply current drain when the television receiver is turned off. Coupled transistors are rendered conductive by means of either a clock or a ... | 05/25/1982 |
| 4317213 | Television reception interfering apparatus Apparatus for use with a television receiver for selectively inhibiting reception of television broadcast signals. The apparatus includes a number of signal generating circuits, each respectively set to generate an electrical signal substantially equal to... | 02/23/1982 |
| 4283735 | Method and apparatus for selectively deleting during video tape recording A technique is provided for deleting those portions of a video program which are in color, thereby allowing a monochrome movie or the like to be continuously recorded on video tape without interruption. Since station breaks and commercials are almost inva... | 08/11/1981 |
| 4281348 | Television signal receiving apparatus In apparatus for receiving a television signal which is made by a frequency-modulation by a video signal, the improvement is that a band-pass filter provided in the receiver for selectively taking out selected television signal is designed in a manner to ... | 07/28/1981 |
| 4263618 | Touch switch arrangement useful in a television receiver User control apparatus for controlled systems includes a touch sensitive capacitive network for changing the amplitude of an alternating signal when contacted by a user and a control unit for controlling a predetermined function of the controlled system i... | 04/21/1981 |
| 4256935 | Coaxial cable connector receptacle A coaxial cable connector receptacle comprises a cylindrical shield casing made of a metallic plate and having openings at both ends, and an inner casing made of an insulating material and housed inside the shield casing and having apertures at both ends ... | 03/17/1981 |
| 4253118 | Synchronous detection system A system is described for synchronously detecting a video signal along a selectable detection axis. The system includes a limiter receiving an input video signal and a phase-locked loop for developing an oscillator signal whose frequency is locked to the ... | 02/24/1981 |
| 4253119 | Interface system for surface wave integratable filter A system is described for interfacing a SWIF with a tuner and an amplifier in the IF section of a television receiver. In the preferred arrangement, the tuner is coupled to the input of the SWIF so as to efficiently transfer signal power to the SWIF over ... | 02/24/1981 |
| 4246495 | Television monitor and control The apparatus may be embodied as a self-contained unit associated with the television set or integrated into the television set. The control is basically in two functions, one which is set for programming the availability of use of the television set at p... | 01/20/1981 |
| 4238774 | Drive circuits for a high resolution cathode ray tube display A dynamic new circuit is disclosed which permits an extremely high resolution cathode ray tube display. Utilizing this circuit, horizontal drive operating frequency may be increased by a factor of approximately four and video drive operating frequency may... | 12/09/1980 |
| 4237487 | Monolithic semiconductor integrated circuit for television receivers A monolithic semiconductor integrated circuit for television receivers includes a video intermediate-frequency amplifier circuit, a video detector circuit and a sync separator circuit. The video intermediate-frequency signals are fed to said video in... | 12/02/1980 |
| 4234963 | Synchronous detector particularly adapted for a video IF signal A synchronous detector adapted to detect a modulated information signal, such as a video IF signal. The modulated information signal is provided in the form of a vestigial sideband signal. A band-pass filter including a tuned circuit tuned to the frequenc... | 11/18/1980 |
| 4233630 | Circuit for modifying the IF response of a television receiver A "walking circuit" for modifying the IF frequency response of a television receiver is disclosed. The walking circuit includes an amplifier having a pair of selectable gain-degeneration impedances, one such impedance providing the amplifier with a wide b... | 11/11/1980 |
| 4220970 | Circuit arrangement for identifying television signals The circuitry is used, for identifying television transmitters, in a television set receiving synchronizing signals and line flyback pulses characteristic of television transmitters, particularly for television receivers including a station finder circuit... | 09/02/1980 |
| 4216496 | Apparatus for detecting and measuring interference in transmission signals A device for detecting co-channel interference in transmitted signals having sync pulses is disclosed, characterized in that the detected interference may be measured. The apparatus includes a detector for detecting the sync pulses, and measuring apparatu... | 08/05/1980 |
| 4189755 | Television receiver threshold extension system by means of signal-to-noise control of bandwidth This disclosure relates to electronic devices, such as a television receiver, whose bandwidth is automatically reduced when the signal-to-noise ratio of the incoming signals becomes lower. Two circuits respectively sample the received video signals and th... | 02/19/1980 |
| 4183057 | Actuating system for a rental television A television system specially constructed for rental use. Such a television system generally includes a key actuated switching system. When the key actuated system is turned on, it enables the televsion to be normally operated. Often, however, there is a ... | 01/08/1980 |
| 4170026 | Circuitry for line recognition of a television signal Circuitry for line recognition of a television signal comprises a serration detector which receives the sync pulse and separates the portion of the serration of the vertical sync pulse; a first counter which is coupled to the serration detector and produc... | 10/02/1979 |
| 4167019 | Video image generator A video image generator for producing a background image giving the visual appearance of an ocean on a raster type video screen. The image generating circuitry includes means for producing background patterns in successive scan frames of the raster to pro... | 09/04/1979 |
| 4157569 | Television receiver having a synchronous detection circuit and a frequency deviation-detection circuit to achieve a wide frequency range control function In a television receiver having a synchronous video signal detector from which a signal is obtained for controlling a function such as an automatic volume control or a synchronization signal separation, a correction signal, obtained by means of full-wave ... | 06/05/1979 |
| 4149186 | Method and apparatus for applying a scanning control signal to a television receiver A method and apparatus is described for applying a video composite signal to the antenna input of a television receiver while at the same time electrically isolating such input from the equipment which generates the composite signal. The method includes t... | 04/10/1979 |
| 4139864 | Security system for a solid state device The security system is adapted to be utilized in conjunction with a device such as an electronic calculator having solid state circuit elements formed on chips wherein the elements perform predetermined functions. The system comprises a gate formed on one... | 02/13/1979 |
| 4129884 | Systems for supplying unmodulated baseband signals to television receivers Unmodulated baseband video signals such as those of a TV game are supplied to a television receiver through a system which provides high isolation between the signal source and the internal circuits of the receiver when disabled. When this system is enabl... | 12/12/1978 |
| 4126838 | Uniform surface acoustic wave transducer configuration having improved frequency selectivity The IF portion of a television receiver includes a surface acoustic wave filter comprising at least two conductors having electrodes extending therefrom to form comb-shaped elements mounted on one surface of a piezoelectric substrate. Respective electrode... | 11/21/1978 |
| 4097899 | Video record player switching system Video record player has RF output terminal linked to antenna terminals of a television receiver, and an RF input terminal coupled to antenna lead-in. Player's processing circuits provide respective sound signal and composite video signal outputs during re... | 06/27/1978 |
| 4060833 | Transducer arrangement for a surface acoustic wave device to inhibit the generation of multiple reflection signals The intermediate frequency (IF) portion of a television receiver includes a surface acoustic wave (SAW) filter comprising first, second and third transducers mounted on a piezoelectric substrate. Each transducer includes at least two interdigitized comb-s... | 11/29/1977 |
| 4031548 | Plural receiving and recording television system A combination of a television receiver and a television signal recording and/or reproducing apparatus, such as a so-called video tape recorder, forming a television system for receiving, recording and/or reproducing television signals and displaying image... | 06/21/1977 |
| 4004085 | Receiving program-presetting system for a television receiver A television receiving program-presetting system comprises means for storing receiving program information in a specified address of a memory; a circuit for defining a vertical address position on a Braun tube screen by counting horizontal synchronizing p... | 01/18/1977 |
| 3984631 | Automatic peaking control circuit for low level T.V. signal reception In a television receiver, an automatic peaking control circuit is responsive to an automatic gain control signal to lower the peak frequency response of the video amplifier when the received television signal is so weak that much of its high frequency con... | 10/05/1976 |
