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| Number | Title | Issue Date |
| 7839454 | Post-processor design supporting non-flickering interlaced display Disclosed herein is a method and apparatus for preventing and eliminating undesirable effects in displayed video. The method may include receiving video information and decoding the video information. The method may also include processing the number of illuminable ... | 11/23/2010 |
| 7268827 | Circuit for transferring a timing signal between circuits having different clock frequencies A timing signal transferring circuit (10) that may be arranged to stably transfer a timing signal (S1) between two video signal processing circuits that may operate at different clock frequencies has been disclosed. A first timing signal (S1) ma... | 09/11/2007 |
| 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 |
| 7102694 | Apparatus and method for eliminating afterimage state An apparatus and method for eliminating an afterimage state occurring on a liquid crystal display (LCD) panel. The apparatus includes a memory for storing an input video signal, a data comparator for comparing data read from or written into the memory, a controller ... | 09/05/2006 |
| 7075590 | Apparatus for providing television receiver alignment functions A method and apparatus within a television receiver for electronically aligning signals within the receiver by controlling support circuitry for an IF module. A control voltage source controls both video alignment and picture IF (PIF) mute functions. The DAC is coup... | 07/11/2006 |
| 7012454 | Clock shift circuit for gradual frequency change A circuit for changing clocks includes a clock generating circuit which generates an output clock signal by controlling a frequency of an original clock signal, and a control circuit which controls the clock generating circuit in response to an operation mode change... | 03/14/2006 |
| 6982765 | Minimizing video disturbance during switching transients and signal absence A television monitor display comprises a first selectable source of a first video display signal and a second selectable source of a second signal for video display. A video processor receives signals from the first and second selectable sources and controllably com... | 01/03/2006 |
| 6975738 | Television system with digital sound A television system of digital sound includes a color television and at least one pair of three-stage frequency-splitting column sound boxes with each having three speakers. A front digital processor and a power amplifier are arranged in the control circuit of the c... | 12/13/2005 |
| 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 |
| 6937277 | Image input apparatus employing read region size determination This invention relates to a video camera for inputting an image of an object as an electrical signal. This video camera includes a CCD, a clock selector for selecting a clock having a frequency corresponding to a read object region in which pixels are read out from ... | 08/30/2005 |
| 6829778 | Method and system for limiting repetitive presentations based on content filtering A method of limiting the number of presentations or observations of information items, such as advertising images, that are repetitively distributed among a plurality of transmitted materials is presented. In accordance with the principles of the invention, informat... | 12/07/2004 |
| 6724975 | Products combining television and video recorder Combos comprising a display and a video recorder, which avoid a very bright image when switching from a standby recording mode to an on mode. In order to reduce cost, some combos include only one video circuit which is used by both the television and the video recor... | 04/20/2004 |
| 6549246 | Method for driving projection cathode ray tube In a projection CRT, an image of high brightness is displayed on a screen as an electron beam emitted from an electron gun is scanned according to an image driving signal. The image is magnified and projected through a lens unit. Here, voltage of a direct... | 04/15/2003 |
| 6529246 | Station selector A station selector having a function of displaying a channel number on a screen. In the station selector, while channels are being switched through a remote control unit or the like, an OSD IC circuit is not operated and a selected station screen is displ... | 03/04/2003 |
| 6441868 | Image reproducing apparatus having a screen blanking function and a screen blanking method using the same An image reproducing apparatus having a screen blanking function for suspending image information displayed on a screen and a screen blanking method using the same are provided. The image reproducing apparatus includes a command applying circuit for apply... | 08/27/2002 |
| 6424341 | Device for and method of controlling OSD in muting video signals A device for controlling an OSD in muting video signals is adapted to eliminate an after-image of the OSD when muting the video signals in a display monitor having an OSD function by use of both hardware and software. The device includes: a microcomputer ... | 07/23/2002 |
| 6337687 | Apparatus for controlling video mode of computer having LCD and method therefor A video mode controlling apparatus and method of a computer having a LCD is provided. The method includes the steps of checking whether or not the video mode to be changed by the mode change controlling information is supported by the video controller, tu... | 01/08/2002 |
| 6300981 | Image data storage/display apparatus and method for television receiver having viewer's screen display function An image data storage/display apparatus and method for a television receiver having a viewer's screen display function whereby a desired image is stored, and the stored image is automatically displayed on the screen when no video signal is inputted or whe... | 10/09/2001 |
| 6262779 | Display apparatus with circuit expanding horizontal retrace interval of horizontal deflection current A display apparatus for a television or computer terminal having a cathode ray tube with a deflection coil. The display apparatus includes a signal processing circuit which compresses a display period in a horizontal scanning period of an input video sign... | 07/17/2001 |
| 6249322 | TV receiver, method of setting reception channel, and picture display method When an automatic programming process for searching receivable channels and presetting the receivable channels is executed or when an automatic erasing/adding process for adding or erasing a set channel is executed, a video signal of a master picture plan... | 06/19/2001 |
| 6211908 | Television apparatus with supplementary kinescope blanking and spot burn protection circuitry Supplementary grid blanking and spot burn protection are provided in a receiver/monitor (10) by a grid bias control circuit (50) including a blanking signal generator (60) that produces a blanking output signal (S1) devoid of any picture representative co... | 04/03/2001 |
| 6002427 | Security system with proximity sensing for an electronic device A security system includes a proximity sensor to protect against unauthorized access to an electronic device. The security system is armed upon an input from the proximity sensor indicating departure of an authorized user from the vicinity of the electron... | 12/14/1999 |
| 5999229 | TV picture control system with generation of signals for instantaneous blanking or blurring of the video signal while leaving the audio signal audible A TV picture control system includes a remote-control having standard input keys, a processing unit and a transmission transducer. The system also includes a TV set having a receiving transducer, a remote-control signal amplifying circuit, a remote-contro... | 12/07/1999 |
| 5978039 | Image control method and image control apparatus capable of compensating for disturbed TV image In a television equipped with an image control apparatus, when a signal reception condition is deteriorated, a poor image is not displayed on the television screen by reproducing saved image data. The image control apparatus is arranged by a receiver for ... | 11/02/1999 |
| 5777685 | Deflection signal pulse shaper circuit An arrangement for reproducing a composite blanking or sync signal includes a vertical deflection circuit having a supply boost stage. A first pulse voltage at a vertical rate is derived from an output signal of the boost stage. The vertical rate, first p... | 07/07/1998 |
| 5748259 | Screen size control circuit according to a power on or off condition of a television Disclosed is a screen size control circuit for controlling the screen size of a television according to a power state by using a blanking control signal synchronized by a horizontal or vertical synchronizing signal when a television is being turned on or ... | 05/05/1998 |
| 5600701 | X-ray imaging system and method therefor In order to image an object larger than a field of view for observation, imaging is effected by dividing it into several times and pictures thus imaged are synthesized to constitute a whole image. In order to image several times, only a detecting unit is ... | 02/04/1997 |
| 5576769 | Automatic synchronization switch for side-by-side displays A video display system comprises a video display for simultaneously displaying pictures representative of first and second video signals, having first and second synchronizing signals respectively. A switch selectably couples the video display with one of... | 11/19/1996 |
| 5552836 | Image signal processing apparatus in which the ADC and/or the 1DHL have low power consumption during vertical blanking In an image signal processing apparatus which processes image signals, a plurality of different kinds of digital image signals are formed by delaying a digital image signal which was obtained by digitizing an analog image signal. When new digital image si... | 09/03/1996 |
| 5493340 | Circuit for displaying screen control states of a monitor A circuit for displaying on the screen a mode frequency and screen control states of a monitor by using OSD letters is disclosed. The circuit delays the R, G, B signals of the OSD IC for a predetermined time until the output signals from the pre-amplifier... | 02/20/1996 |
| 5471251 | Video displaying apparatus capable of displaying a video while forming a blanking region A television receiver has a video muting processing function wherein a blanking added video signal is produced by superimposing on a video signal a blanking signal gradually varying in the width in the time direction and consists of a composite signal in ... | 11/28/1995 |
| 5463289 | First grid muting circuit A first grid muting circuit for a monitor display for smooth muting operation of a muting circuit portion to provide a stable picture to a viewer can be favorably applied to a monitor circuit by a microcomputer for supplying a muting signal to blocks per ... | 10/31/1995 |
| 5455634 | Dark level restoring circuit for television receiver A dark level restoring circuit for a television receiver which receives a video signal, clamps a pedestal portion of the video signal to a reference pedestal level by a pedestal clamper, compares the output of the pedestal clamper with a reference dark le... | 10/03/1995 |
| 5387942 | System for controlling reception of video signals A method and system for controlling the reception of video signals in accordance with the program content of the signals is disclosed. In accordance with the invention, a digital program code is simultaneously transmitted along with the audio and video in... | 02/07/1995 |
| 5382981 | Video muting apparatus The video muting apparatus is provided with a controlling apparatus which calculates the video muting time TM from the correlation between the power feeding time T1 counted by the first counter and the power feed stopping time T2 counted by the second cou... | 01/17/1995 |
| 5220426 | Circuitry for removing information from, or modifying information in, the vertical interval of a television signal Composite sync is separated from a video signal and integrated in order to produce a vertical control pulse. This pulse is then applied to the input of a one-shot multivibrator which provides an output essentially equal in duration to the time from the en... | 06/15/1993 |
| 5214509 | Display device testing circuit using false video signal generator A display device testing circuit includes a false video signal generator for producing a false video signal from a blanking pulse of the display device in a state where no video signal is connected to an input terminal of the display device, so that such ... | 05/25/1993 |
| 5206728 | Television system having an ultrablack video signal blanking level for an on-screen character display An arrangement for displaying characters and/or graphics on the screen of a television system including a brightness control section for controlling the black level of video images includes a character blanking section for blanking behind the video image ... | 04/27/1993 |
| 5192885 | Clamp circuit A clamp circuit is described in which a video signal is capacitively coupled to an amplifier which has enabled and disabled states. An operational amplifier receives the output of the amplifier and a reference voltage and the output of the operational amp... | 03/09/1993 |
| 5134479 | NTSC high resolution television converting apparatus for converting television signals of an NTSC system into high resolution television signals A video signal based on an NTSC system is converted into a signal for EDTV. The converted signal is subjected to signal compression in a signal compression ratio of 910/m times. The compressed signal is added with a pedestal level signal and a side level ... | 07/28/1992 |
