Matches 1 - 46 out of 46


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7355570 Method of expressing gray level of high load image and plasma display panel driving apparatus using the method  
In a method of expressing a gray level of a high load image and an apparatus for driving a Plasma Display Panel (PDP) using the method, a load ratio of the input image signal is calculated, and an...
7221112 Cathode ray tube display apparatus  
A cathode ray tube display apparatus having a fly back transformer (FBT) to induce and output high voltage, the CRT apparatus including: a power controller controlling source power input into the...
6433829 Signal processing apparatus for setting up vertical blanking signal of television set  
The signal processing apparatus for setting a vertical blanking signal of the television set that allows to set the beginning position and end position of a horizontal blanking signal irrespective...
6169581 Phase-locked sync stripper  
A method and circuit to strip the composite synchronization (sync) from a composite video signal is disclosed. This invention utilizes a phase-locked loop and a switchable input operational...
5969486 Detecting horizontal blanking time in cathode ray tube devices  
An apparatus and method are disclosed for generating timing pulses to control various functions in a video monitor including the switching of video amplifiers in cathode ray tube (CRT) devices,...
5932977 Blanking circuit having a pulse width extension part  
A blanking circuit generates a blanking signal by using a vertical fly-back pulse and/or an output signal of a vertical IC. The blanking signal is superimposed on a grid control signal obtained...
5917292 Controller for applications pertaining to the display of images on cathode-ray tube screens  
Disclosed is an image display screen controller for the control of a cathode-ray tube. There is produced a blanking logic signal that begins on a leading edge of the frame synchronization...
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...
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...
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...
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...
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...
4814880 Blanking circuit for use in a display apparatus which has a cathode-ray tube  
The screen grid of a CRT is connected to a blanking pulse amplifier by means of a resistor and a capacitor. This screen grid is also connected to the anode of a diode. The cathode of the diode is...
4716461 Video signal blanking interval signal conditioning circuit  
A wideband video signal processing system includes a blanking interval signal conditioning circuit with reduced parasitic capacitance. The circuit has an AC coupling capacitor connected between an...
4668974 Digital scan converter  
A digital scan converter having an oscillator providing a clock signal used to scan-convert an input video signal to thereby produce a scan-converted output video signal, an automatic frequency...
4652920 Video image blanking signal generator  
A video monitor includes apparatus for generating a horizontal blanking pulse accurately timed with respect to a horizontal image retrace interval. The leading edge of the blanking pulse is...
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...
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...
4509079 Interlace detector  
The application relates to an interlace detector for a raster beam control circuit, such as in a television or computer display. Under 1:1 interlace conditions, depending on the condition of the...
4291336 Composite keying signal generator for a television receiver  
A circuit for generating a composite keying signal includes a burst gate circuit, a clipping circuit, and a voltage divider, in a color television receiver also including means for deriving...
4228464 Picture display device comprising a field deflection circuit and a field blanking circuit  
A picture display device is disclosed having a field deflection circuit and a field blanking circuit. A pulse generator is also included in said device and comprises a gate circuit with...
4081835 Blanking circuitry for a television receiver video system  
A blanking circuit for providing blanking pulses to a video system for a television receiver is disclosed. The blanking circuit is particularly adapted for fabrication in integrated circuit form...
4038687 Video blanking circuit  
A video blanking circuit is provided which inserts a system blanking interval signal having controlled leading and trailing edges into a video signal. The blanking signal is combined with a...
4028726 TV receiver raster expansion system  
A system for enlarging the image on the screen of a cathode ray picture tube by increasing the deflection of the electron beam. Accompanying deterioration in contrast and brightness is reduced by...
4001502 Straylight compensation circuit and blanking circuit for same  
A straylight compensation circuit which corrects for excessive dark current features a blanking circuit to ensure a stable black level without spikes and blanking noise. The video is integrated to...
3912864 Circuit arrangement for supplying pulses having a defined pulse edge duration in a television image signal  
A circuit arrangement for supplying line blanking or line synchronizing pulses having a defined pulse edge duration in a television image signal, formed with an amplifier circuit to which the...
3831056 BEAM CURRENT STABILIZATION AND BLANKING APPARATUS  
That portion of the beam current of a television pick-up tube which is collected by its limiting aperture grid is sensed to provide a feedback voltage for the control grid to stabilize against...
3763315 BLANKING CIRCUITS FOR TELEVISION RECEIVERS  
There is disclosed a blanking circuit utilizing a transistor having its emitter electrode coupled to a point of reference potential and its collector electrode coupled to a point in the video...
3739092 TELEVISION SIGNAL BLANKING  
A television signal to be blanked is supplied to an input transistor of a first cascade; a variable D-C is supplied to a base of an input transistor in a second cascade. Each cascade has two...
3721760 BLANKING CIRCUITRY FOR BLANKING A CATHODE RAY TUBE  
A blanking circuit for blanking a cathode ray tube by cutting off the video output transistor and hence the cathode ray tube in response to a retrace pulse from an asymmetrical multivibrator is...
3571506 PULSE SHAPING MEANS FOR BLANKING PULSES  
A television video signal blanking pulse generator produces relatively clean blanking pulses by being arranged to increase the rise and fall rates of each blanking pulse amplitude as said...
3522369 CONTROL PULSE GENERATING CIRCUIT FOR COLOR TELEVISION RECEIVER  
3497615 TELEVISION VERTICAL OSCILLATOR AND BLANKING CIRCUIT  
3479459 METHOD OF GENERATING A COMPOSITE BLANKING SIGNAL FROM A COMPOSITE SYNC SIGNAL  
3446915 CATHODE RAY TUBE BEAM BLANKING CIRCUIT  
3436475 BLANKING CIRCUITS FOR TELEVISION RECEIVERS  
3414669 Blanking circuits for television receivers  
3364307 Cathode ray tube retrace blanking circuit in which blanking signals are derived from the sync separator  
3303282 Blanking circuit arrangement for a television system utilizing pulses derived from the high voltage power supply circuit  
3090889 Electron beam intensity control circuit  
3040126 Blanking circuit  
3024307 Television receiver  
2957043 Scanning system for cathode ray tubes  
2950346 Television receivers  
2917575 Combined color burst separator and blanking pulse amplifier  
2910533 Television receivers  

Matches 1 - 46 out of 46