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| Number | Title | Issue Date |
| 8059208 | Line tapping method of video amplification for unshielded twisted pair active receiver Embodiments of the present invention include systems, methods and apparatus for amplifying a composite video signal transmitted over long distance unshielded twisted pair cabling. The apparatus and system may include a plurality of amplifiers, an analog switch, and ... | 11/15/2011 |
| 7843513 | Automatic adaptation of a video source to a receiver An electronic system providing a video signal to an output terminal intended to be connected to a receiver having one input impedance out of two input impedances, the electronic system including an adaptable amplifier providing the video signal and capable of operat... | 11/30/2010 |
| 7471344 | Display apparatus periodically modulating image-signal characteristics An image display apparatus has a control circuit that periodically varies a characteristic, such as an amplitude characteristic or timing characteristic, of the displayed image signal. Periodic variations may be produced by passing the image signal through a variabl... | 12/30/2008 |
| 7444126 | Signal-to-noise optimized fully monolithic video receiver IF channel In a video IF channel the gain of the circuit is achieved ahead of the IF filter and the output of the filter, including its noise, need only be amplified a relatively small amount, thus preserving an acceptable signal to noise ratio. In one embodiment, a variable g... | 10/28/2008 |
| 7423698 | Amplifier for amplifying input signal such as video signal and outputting amplified signal An amplifier which amplifies an input signal, wherein an amplified signal which varies with a ground voltage as a center is obtained at an output of the amplifier using a positive power supply and a negative power supply. With this configuration, an amplified signal... | 09/09/2008 |
| 7324162 | Method and apparatus to improve ADC dynamic range in a video decoder A video decoder in which 1) resolution quality can be improved for a given bit count analog-to-digital converter, 2) a lower bit count analog-to-digital converter can be used with substantially similar quality or 3) a combination of improved resolution quality with ... | 01/29/2008 |
| 7317440 | Circuit and method for driving a liquid crystal display device using low power Provided are a circuit and method for driving a liquid crystal display device using low power. The circuit includes a display data latch, a gamma decoder, and a driver cell circuit. The display data latch latches display data from a memory. The gamma decoder receive... | 01/08/2008 |
| 7310090 | Optical generic switch panel A switch panel having a touch plate, image generator, and imaging system. The touch plate includes an optically transparent layer having first and second sides. The optically transparent layer having an index of refraction greater than that of air. A light source ge... | 12/18/2007 |
| 7289165 | Self-directing bus amplifier and method A self-directing bus amplifier and method is disclosed, which includes an input biased at a given voltage level and a tri-state amplifier with a first input terminal coupled to the biased input and an output coupled to an output bus. A field effect transistor with a... | 10/30/2007 |
| 7289566 | Cable modem tuner An IF signal output from an IF amplifying circuit included in a tuner is converted to have a band width for transmission by an SAW filter and has unnecessary signals removed therefrom. Thereafter, the resulting signal has its gain made constant by an IFAGC circuit, ... | 10/30/2007 |
| 7277136 | Adaptive bandwidth control in a kinescope amplifier A method for controlling dissipation in a video amplifier for a display signal. The method comprises the steps of setting a first current for establishing a first gain bandwidth product in the video amplifier. Generating a control signal in accordance with a slew ra... | 10/02/2007 |
| 7265749 | Optical generic switch panel A switch panel having a touch plate, image generator, imaging system and light source is disclosed. The touch plate includes an optically transparent layer having first and second surfaces in which a light signal is trapped by internal reflection. The image generato... | 09/04/2007 |
| 7233370 | Method for correcting for distortion of projected image, program for correcting image distortion, and projection-type image display device An image distortion correction method is provided which is capable of correcting for distortion of a projected image by designating an arbitrary correction point by using a simple and easy operation without independently providing a display device and/or a pointing ... | 06/19/2007 |
| 7206348 | Twisted pair communications line system A transmission system for transmitting analog color video signals wherein a cable comprising multiple twisted pairs is employed, and certain of these pairs are coupled to carry selected color signals as a function of the delay provided by particular twist rates. In ... | 04/17/2007 |
| 7184099 | Controllable signal baseline and frequency emphasis circuit A circuit for selectively controlling signal baseline and frequency emphasis. An amplifier with selectively controllable feedback circuitry allows higher frequency components of a signal to be emphasized over lower frequency components while also allowing control ov... | 02/27/2007 |
| 7185242 | Digital display apparatus supporting error compensation and method thereof Disclosed are a digital display apparatus and method. The digital display apparatus includes a signal intensity detect unit, a tuner unit, a control unit, and a digital signal process unit. The signal intensity detect unit divides a digital input signal received thr... | 02/27/2007 |
| 7164392 | Material presentation device A material presentation device connecting at least two material presentation devices to each other, comprises a first selecting device for selecting one image as a main image from plural images composed of an image output by another material presentation device, a c... | 01/16/2007 |
| 7142254 | Self compensating video data amplifier and driver for broadcast data receiver The invention relates to improvements to the operation of a broadcast data receiver (BDR) and, in particular, to the provision of a video data amplifier and driver circuit for the processing of a received video data signal. The circuit includes a means for generatin... | 11/28/2006 |
| 7094516 | Benzobisazole compound and optical recording medium containing the compound An optical recording medium having an organic dye layer as a recording layer on a substrate, wherein at least one benzobisazole-based compound represented by a general formula (1) is contained in the recording layer: | 08/22/2006 |
| 7075556 | Telestrator system A telestrator system is disclosed that allows a broadcaster to annotate video during or after an event. For example, while televising a sporting event, an announcer (or other user) can use the present invention to draw over the video of the event to highlight one or... | 07/11/2006 |
| 7050116 | Calibration device for a video input stage An input stage for a video receiver includes a variable gain amplifier, an analog-to-digital converter for sampling a video signal and a digital processing unit for processing digital samples of the video signal. An analog regulating circuit sets an input potential ... | 05/23/2006 |
| 7023279 | Linear pre-amplifier for radio-frequency power amplifier An amplifier including an input circuit tuned to the frequency to be amplified and receiving as an input the signal to be amplified, a first transistor connected in common base, the emitter of which is coupled to the input circuit and the collector of which provides... | 04/04/2006 |
| 7006159 | Adapter circuit for audio and video signals A circuit arrangement includes at least one adapter circuit (10). which amplifies an analog input signal of a low current (Ii) by an amplification factor (n) into a particularly analog output signal of a higher current (Io). The adapter ... | 02/28/2006 |
| 6952240 | Image sampling circuit with a blank reference combined with the video input A programmable gain amplifier having three separately programmable amplifiers. A programmable transconductance amplifier is followed by a programmable transimpedance amplifier, then a programmable switched capacitor amplifier. In one embodiment, this programmable ga... | 10/04/2005 |
| 6937294 | Multiplexed video signal interface signal, system and method A multiplexed video signal interface in accordance with the present invention provides a multiplexed component video signal which includes component video signals with OSD data and user-controllable contrast and video gain, along with the ability to individually con... | 08/30/2005 |
| 6931560 | Programmable transmit SCSI equalization An apparatus comprising a first plurality of parallel switches and a second plurality of parallel switches. The first plurality of parallel switches may be configured to control a voltage on a first output pin. The second plurality of parallel switches may be config... | 08/16/2005 |
| 6825887 | Color component signal interface circuit An interface circuit 13 is provided for a display apparatus 3 such as a television. The display apparatus 3 comprises a video signal processing circuit 8 for processing a composite video signal to derive color component signals having var... | 11/30/2004 |
| 6703802 | Saturation suppression of CRT output amplifiers The invention provides a circuit for controlling a cathode ray tube. The circuit comprises a source of input color signals (Uin (R), Uin (G), Uin (B)) for the primary colors of the cathode ray tube. Output amplifiers are c... | 03/09/2004 |
| 6690431 | Audio/video amplifier with the function of automatic turning on/off The invention provides an audio/video amplifier comprising an AV-signal receiver for receiving the signals from one or more program sources; a post-processing circuit connected with said AV-signal receiver for processing audio/video signals of said progra... | 02/10/2004 |
| 6545717 | Display system having selectable automatic CRT cutoff stabilization or AKB with CRT feedback current simulation A display system (10) which includes a CRT feedback current simulating circuit (20) to simulate the cathode feedback current directly from the from the red, green and blue output biases of the video processor (13). Furthermore, the display system (10) app... | 04/08/2003 |
| 6538398 | Cathode ray tube driver circuit with cathode current detection A circuit for driving a cathode ray tube (CRT) with cathode current detection. Specifically, the present invention discloses a CRT driver circuit comprising a push-pull configuration comprising upper and lower stages of darlington paired transistors. In t... | 03/25/2003 |
| 6522367 | Cable television (CATV) tuner for enhanced signal communication between subscribers in a CATV system A CATV tuner apparatus includes a first low-noise amplifier which amplifies a level of an input signal received at an input terminal, the first low-noise amplifier having an adequately small noise figure to allow the received input signal to be amplified ... | 02/18/2003 |
| 6424324 | Display driver apparatus An emitter follower amplifier is coupled between the output of a high voltage video amplifier and the cathode of a kinescope for reducing the effective capacitance presented to the video amplifier that is attributable to the kinescope cathode, socket, spa... | 07/23/2002 |
| 6400418 | Image display device A beam current detection unit (5) detects the brightness of the image displayed on a screen (10) on the basis of a current J flowing inside a CRT (1). A drive control unit (40) selectively closes and opens the switches (42) and (43) in accordance with the... | 06/04/2002 |
| 6400415 | System and method for predistorting signals to be amplified A system and method for predistorting a signal which is to be amplified by a non-linear amplifier. The system and method uses additional predistortion circuits to eliminate the predistortion caused by amplifier input circuits and amplifier output circuits... | 06/04/2002 |
| 6377126 | Current feedback amplification circuit and associated process Electronic circuit comprising a first and a second current mirrors, an upstream active element arranged between an input of the first current mirror and an input of the second current mirror, each current mirror being provided with an output. The circuit ... | 04/23/2002 |
| 6310661 | Method of broadcasting controlling data streams and apparatus for receiving the same A method of broadcasting controlling data streams and remote receiving apparatus for using the same are disclosed. A viewer-channel-to-broadcast channel (VCBC) map is employed to map one or more controlling data streams to one or more channels. The VCBC m... | 10/30/2001 |
| 6288690 | Video control circuit for a video display device A video control circuit controls the gains for red(R), green(G), and blue(B) color video signals inputted to a monitor, the brightness and contrast of a video display on the monitor, and the bias of a cathode ray tube within the monitor. A microcomputer o... | 09/11/2001 |
| 6281943 | Cut-off control circuit for adjusting white balance Cut-off control circuits implementing DC-coupling and AC-coupling to CRT cathodes can employ the same preamplifier integrated circuits with few additional components. The preamplifier includes a switching unit for receiving control data, generating a cont... | 08/28/2001 |
| 6266099 | Video on-screen display with reduced feedthrough and crosstalk A video pre-amplifier includes an input stage and an output stage. In one embodiment, an on-screen display signal is provided to the output stage, and a control signal is asserted when the on-screen display signal is active. With respect to a video output... | 07/24/2001 |
