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| Number | Title | Issue Date |
| 7190407 | System, method and apparatus for sandcastle signal generation in a television signal processing device A system, method and apparatus are provided for generating 98 a sandcastle signal in a television signal receiver 90, and utilizing the sandcastle signal during television signal processing. In one form, the sandcastle signal is generated by subtractin... | 03/13/2007 |
| 6947060 | Image forming apparatus, electron beam apparatus, modulation circuit, and image-forming apparatus driving method An image forming apparatus which performs pulsewidth modulation with a pulsewidth set by counting a clock. Especially, for grayscale level correction by setting the frequency of the clock, the periodic clock is counted, and an output pattern is changed in accordance... | 09/20/2005 |
| 6748005 | Methods and apparatus for providing a direct frequency hopping wireless interface with a personal computer A system and method to provide cost effective, portable and convenient access to the Internet and other personal computer applications from any location within a predetermined distance from a desktop personal computer (PC). According to one aspect, a compact handhel... | 06/08/2004 |
| 6583896 | Image reading apparatus and image reading method A low cost image reading apparatus and an image reading method is obtained which allows a high speed image reading process to be performed. When a frame image recorded on a negative film is read, the amount of light of a lamp and the charge accumulation t... | 06/24/2003 |
| 6335734 | Color converting method In addition to linear conversion parameters V1 to V8 which are used in an interpolation calculation, non-linear conversion parameters VV1 to VV8 are calculated. Each time an input color is fetched, whether the linear conversion parameters are used or the ... | 01/01/2002 |
| 4970592 | Horizontal synchronization, clock synchronization, D.C. restoration and gain control scheme for an analog TV system An analog TV system includes a transmitter which produces a horizontal unique pulse sequence during each horizontal blanking interval. The pulse sequence is amplitude modulated between two levels to define a horizontal unique word for horizontal synchroni... | 11/13/1990 |
| 4912549 | Video signal synchronization system as for an extended definition widescreen television signal processing system Apparatus and method of synchronizing the component signals of a multi-component augmented television signal between its generation reception are disclosed. The disclosed apparatus includes circuitry which generates a training signal that indicates the po... | 03/27/1990 |
| 4829377 | Horizontal synchronization, clock synchronization, D. C. restoration and gain control scheme for an analog TV system An analog TV system includes a transmitter which produces a horizontal unique pulse sequence during each horizontal blanking interval. The pulse sequence is amplitude modulated between two levels to define a horizontal unique word for horizontal synchroni... | 05/09/1989 |
| 4724486 | Apparatus for deriving information signals for component television video signal reception Receiving apparatus for receiving multiplexed analogue component signals each of which represents a line of a television picture and includes a burst of digital signals, at least one of the multiplexed analogue component signals including at a predetermin... | 02/09/1988 |
| 4695873 | Horizontal line data position and burst phase encoding apparatus and method Information related to the beginning of data and the phase of color burst on consecutive horizontal scan lines of a digital color television signal is encoded into a variable width pulse. A first transition of that pulse has a predetermined phase relation... | 09/22/1987 |
| 4695874 | Apparatus for processing a time-division multiplex video signal having signal durations divisible by the same number A video signal apparatus processes a time-division-multiplex (TDM) video signal. The TDM signal includes a compressed sync, a compressed chrominance component constituting a series of time compressed samples of a chrominance component of a color video sig... | 09/22/1987 |
| 4639764 | MAC vertical synchronizing signals Vertical synchronization information in a multiplexed analogue component (MAC) television signal is included in a line scan period, the amplitudes of the waveform being chosen so as to represent a position in the color space outside that occupied by the p... | 01/27/1987 |
| 4555722 | Tri-level sandcastle pulse decoder Trilevel sandcastle pulse decoder includes a trio of voltage comparators for comparing incoming sandcastle pulses with reference potentials of respectively different levels. One of the voltage comparators, which is subject to change in operating state in ... | 11/26/1985 |
| 4549202 | Trilevel sandcastle pulse encoding/decoding system A color TV receiver is provided with an encoding/decoding system for a trilevel sandcastle pulse train, exhibiting a middle pulse level during recurring kinescope bias control intervals, and comprising excursions between a base level, a low pulse level, a... | 10/22/1985 |
| 4084181 | Apparatus for transmission of chrominance signals during blanking period A color television signal processing apparatus is provided for reproducing a chrominance signal from a color television signal transmitted or recorded in such a manner that the chrominance signal is compressed in time scale and that the compressed chromin... | 04/11/1978 |
