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Class Information
Number: 315/385
Name: Electric lamp and discharge devices: systems > Cathode ray tube circuits > Cathode-ray deflections circuits > With additional control of cathode ray > Intensity control of ray > Ray unblanking
Description: Subject matter wherein the cathode-ray is turned on during normal operation of the cathode-ray tube and a trace appears on the screen of the cathode-ray tube.

Patents under this class:

Patent Number Title Of Patent Date Issued
4721943 Digital-to-analog converter for video application Jan. 26, 1988
4529916 Alternate sweeping system for use in oscilloscope Jul. 16, 1985
4516118 Pulse width modulation conversion circuit for controlling a color display monitor May. 7, 1985
3961329 High resolution sector scan radar Jun. 1, 1976
3955120 Circuit for digitally controlling the brightness of the electron beam of an electron beam deflection tube May. 4, 1976

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