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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 |
| 4382266 | Broad band switching system A broad band switching system for television signals and, under certain conditions, for radio signals, provides that the signals which are phase modulated with the TV programs are switchable by way of a broad band switching network and can then be transmi... | 05/03/1983 |
| 4365308 | Method for the time correction of a digital switching signal The invention concerns a method of time-correcting a digital switching signal. To derive a switching signal from a television signal in conventional analog technique, the television signal is passed through a threshold value device which provides the swit... | 12/21/1982 |
| 4363033 | Video switch circuit A circuit for selecting one of a number of video signals to be processed by a television receiver. The circuit comprises diode means having inputs suitable for coupling to alternate sources of video signals. A bias source applies a bias voltage to the dio... | 12/07/1982 |
| 4349750 | Switching circuit comprising a plurality of input channels and an output channel A switching circuit in which one out of a plurality of input channels is connectable to an output channel via one of the switching devices in the circuit. Each of the switching devices comprises an emitter-coupled pair of transistors which have a switchab... | 09/14/1982 |
| 4345273 | Broad band switching system The exemplary embodiment may be used for television (TV) signals and, if desired, also for radio, digital telephone, picture screen text and/or television telephone signals. For the reduction of the circuit-technical outlay of the actual broad band switch... | 08/17/1982 |
| 4340903 | Television camera A television camera is adapted to be coupled to an external video device, such as a video tape recorder (VTR) or a camera control unit (CCU) linking it with other cameras. The output video signals from the cameras and VTR can be sequentially switched, mix... | 07/20/1982 |
| 4331950 | Broad band switching network In the exemplary embodiment, in order to reduce the load on the input signal sources, the individual inputs are respectively connected to the respectively appertaining coupling point switches via a fan-out arrangement of constantly unlocked ECL elements w... | 05/25/1982 |
| 4329675 | System for automatically substituting television signals at a head station for a cable network A system for automatically substituting television signals from different sources at a station for applying signals to a cable TV network. The substitution system (10) includes at least one switch (9) inserted between the cable network and the outputs of ... | 05/11/1982 |
| 4308559 | Switching apparatus for closed circuit television monitoring systems A solid state switch assembly for selectively coupling a TV monitor to one of a plurality of TV cameras. A random access memory is utilized to establish the switching sequence. The switch is advanced through the desired sequence by activating an oscillato... | 12/29/1981 |
| 4301475 | Combination digital-analog television switching system A combined analog and digital video television signal switching system is provided in which parallel video signal paths are provided for analog and digital television signals, these paths being controlled by common control signals. When a video input sign... | 11/17/1981 |
| 4276562 | TV Switching system A switching system for interconnecting various TV sources, such as a subscription television source, a house antenna and a video recorder to a plurality of TV sets, consisting of a switch having a plurality of pushbuttons and having an input for coupling ... | 06/30/1981 |
| 4274112 | Switching matrix for selectively connecting incoming signals to desired output paths The invention relates to a circuit arrangement for passing of blocking signals having wide band width with the use of at least one electronic switch. The circuit is a very simple arrangement, and provides for a plurality of modulators, or at least one mod... | 06/16/1981 |
| 4271403 | Coaxial cable switching circuit A coaxial cable switching circuit includes a differential comparator connected to a cable to be switched, for receiving a switching pulse therefrom. The output of the differential comparator is connected to a pulse width discriminating circuit which in tu... | 06/02/1981 |
| 4258385 | Interactive video production system and method The present invention relates to video production systems and methods and particularly to such systems and methods in which the video characteristics of the video frames may be interactively controlled during video production.... | 03/24/1981 |
| 4257065 | Video clamp and inverter circuit A high performance video clamp and self-balancing inverter circuit for providing the DC coupling of a video signal together with substantially perfect inversion of any portion of a composite television signal. Under the control of synchronously timed puls... | 03/17/1981 |
| 4231063 | Frame synchronizer having a write-inhibit circuit A frame synchronizer for a television receiver in which the incoming television signal is digitized and stored in a memory, includes a circuit for generating a write-inhibit control signal for inhibiting the write-in of a digitized second television signa... | 10/28/1980 |
| 4218709 | Video switching system A video switching system particularly adapted for use in a small studio environment includes a group of independent selection switches that enables a user to select any one of a plurality of different input video signals and route that signal to a preview... | 08/19/1980 |
| 4205344 | Special effects memory system A special effects memory system is described which stores and recalls on command complex configurations of a video production switcher as an aid in the production of special effects. A stored effect may be recalled by using a single control panel push but... | 05/27/1980 |
| 4205346 | Video transition circuitry including transition previewing means Improved video transition circuitry including circuitry for previewing transitions from an on-air event signal to a next event signal. The circuitry includes a program transition switch responsive to the on-air event and next event signals for outputting ... | 05/27/1980 |
| 4145719 | Multi-channel video switch using dual-gate MOS-FETS A high-speed, solid-state, electronic circuit for alternately coupling two separate video signal paths to a third video signal path in response to high frequency square wave excitation, the circuit utilizing two dual-gate metal oxide semiconductor field e... | 03/20/1979 |
| 4115810 | Television signal generator Television signal generator includes a time constant circuit comprising a capacitor and resistors, and a control circuit for selecting resistance using the resistors. The generator generates a luminance signal having leading and trailing slopes at every l... | 09/19/1978 |
| 4112463 | System for detecting a motion in the monitoring area of two or more television cameras A plural-camera television monitoring system in which scenes or objects to be monitored are scanned by a plurality of television cameras that are not synchronized with each other, in which time-division multiplexed image signals are derived from the video... | 09/05/1978 |
| 4104678 | Video switching circuit A circuit has two amplifiers each of which have different transfer functions. Means are shown for switching between them. The output signal can be a matrixed or non-matrixed color signal, or a gamma or non-gamma corrected signal. The amplifiers can be dif... | 08/01/1978 |
| 4096515 | VIR Automatic hue control with preference capability With closed loop control, the hue for a color television receiver is automatically set by means of a received VIR signal. Viewer preference of the hue setting is realized by gated addition of the viewer preference offset voltage into the VIR control loop.... | 06/20/1978 |
| 4074316 | Electronic switching signal generator for use in television An electronic switch for use in television which is provided with a master-slave flip-flop which comprises a trigger input for supplying a switching signal which occurs at the field frequency and which has a switching pulse edge which occurs in field blan... | 02/14/1978 |
| 4059838 | Chroma-preference control for VIR automatic operation Viewer preference adjustment of saturation is realized in a VIR controlled color television receiver by provision of a closed loop control circuit exclusive of the RGB matrix. During the presence of the VIR signal a control signal is generated within the ... | 11/22/1977 |
| 4051524 | Sequential video switching system A video surveillance system having a plurality of video cameras and means for reproducing the scenes viewed by a selected by one of the cameras. A switch selectively connects the cameras to the reproducing means. A counter generates a sequence of signals ... | 09/27/1977 |
| 4051522 | Patient monitoring system Disclosed is a hospital patient monitoring and display system employing a number of bedside consoles, concealable from the patient and including input for various patient sensors such as ECG, pulse rate, patient temperature and blood pressure. The console... | 09/27/1977 |
| 4037250 | Video switcher A closed circuit video surveillance system having a plurality of camera stations which may be connected by entirely random and independent selection to a plurality of monitors located at different viewing stations without degradation of video quality. Eac... | 07/19/1977 |
| 4025947 | Video assignment systems An assignment system adapted to accommodate video and audio signals is provided with a digital cross-point switching matrix which is controlled by a control device which enables connections between selected inputs and outputs of said matrix. The input sig... | 05/24/1977 |
| 4013876 | Document scanning and printing system and method A system in which a video camera scans one or more documents and generates analog electrical signals representative of the information on the documents. The signals may be converted to digital signals and stored in a suitable memory from which they may be... | 03/22/1977 |
