Matches 1 - 34 out of 34


Match Document Document Title
4721943 Digital-to-analog converter for video application  
A digital-to-analog converter comprises a current source for supplying a current of predetermined magnitude to a circuit node, and a switch connected to the circuit node, and defining a first...
4529916 Alternate sweeping system for use in oscilloscope  
In an alternating sweeping system for use in an oscilloscope of the type wherein a sweeping signal and a delayed sweeping signal are alternately supplied to a horizontal deflection circuit of the...
4516118 Pulse width modulation conversion circuit for controlling a color display monitor  
A video display terminal (VDT) is provided with a controller having six digital logic lines capable of defining sixty-four different colors. An eight color color display monitor (CDM) having three...
3961329 High resolution sector scan radar  
A high resolution, azimuth sector scan radar is provided with sinusoidal operation to establish time sequencing of the radar main bang signal with the horizontal and vertical deflection signals of...
3955120 Circuit for digitally controlling the brightness of the electron beam of an electron beam deflection tube  
A circuit for digitally controlling the brightness of the electron beam of an electron beam deflection tube. The circuit permits switching at a very fast rate on the order of 200 nanoseconds. To...
3919598 Deflection blanking circuit for use in a cathode ray oscilloscope  
In a deflection blanking circuit which accomplishes blanking or unblanking of an electron beam emitted from a cathode on a fluorescent screen by controlling the voltage of a deflection blanking...
3857059 OSCILLOSCOPE SWEEP SYSTEM WITH TWO SWEEP GENERATORS HAVING SPEED RATE SWITCHES AND SWEEP MODE SWITCHES OPERATED BY A CONTROL KNOB  
A sweep system for a cathode ray oscilloscope is described in which a single control knob is employed to operate both sweep rate switches of a pair of sweep generators and two sweep mode switches...
3775637 CATHODE RAY DISPLAY INTENSITY CONTROL CIRCUIT  
An intensity control circuit is utilized in conjunction with a cathode ray tube (CRT) display wherein the grid-to-cathode drive to the CRT is automatically adjusted to compensate for changes in...
3667287 ULTRASONIC TESTING SYSTEM  
Electronic circuitry is described which provides two continuously available signals which include means for switching a desired one of the two displays on the cathode ray tube. A first sweep...
3591824 DRIVING MEANS FOR CRT'S  
Apparatus for driving character-display tubes and the like, especially of the cathode-ray-tube type, providing circuitry for automatically centering symbols being displayed upon the CRT and for...
3527979 MULTIPLE "A" TYPE DISPLAY DEVICE HAVING MAGNETICALLY DEFLECTED CATHODE RAY TUBE  
3473079 CONTINUOUS WAVEFORM PRESENTATIONS IN TIME-SHARED SYSTEMS  
3465199 ELECTRONIC HALFTONE IMAGE GENERATOR  
3423626 CHARACTER GENERATOR  
3418518 Cathode ray tube dot matrix shifting  
3406313 Time sampling circuit for an oscilloscope  
3336587 Display system with intensification  
3264563 Test apparatus for displaying a selectively suppressed current-voltage characteristic of a semiconductor junction  
3242434 Trigger sweep circuit of a cathode-ray oscilloscope  
3206633 Intensity control for oscilloscope display  
3140415 Three-dimensional display cathode ray tube  
3105192 Frequency trancking and deviation indicating system including signal storage means  
3105168 Control arrangement  
3069593 Cathode ray tube control circuit  
2929958 Sweep circuit  
2927317 Radar systems employing random pulsing  
2920230 Amplifier system  
2912617 Safety circuits for cathode ray tubes  
2881356 Position indication method and system  
2869027 Signalling apparatus  
2826715 Electronic storage of information  
2804571 Unblanking circuit for cathode ray tubes  
2790931 Electrostatic memory system  
2787726 Checking device for electrical ignition circuits in internal combustion engines or the like  

Matches 1 - 34 out of 34