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Class Information
Number: 315/393
Name: Electric lamp and discharge devices: systems > Cathode ray tube circuits > Cathode-ray deflections circuits > Plural deflection circuits > Interconnected sweep circuits
Description: Subject matter wherein each electrical circuits includes a generator delivering to its deflection means, a current or voltage waveform which periodically sweeps the cathode-ray beam across the target, and both electrical circuits are connected together to cause both waveforms to sweep the cathode-ray beam at the same time.

Patents under this class:

Patent Number Title Of Patent Date Issued
8653745 Brightness control of a status indicator light Feb. 18, 2014
8610367 Brightness control of a status indicator light Dec. 17, 2013
8373355 Brightness control of a status indicator light Feb. 12, 2013
7042174 Method of generating independent top and bottom corners correction using one 4th order function May. 9, 2006
6515439 Vertical deflection driving circuit Feb. 4, 2003
5600212 Deflection circuit for a television receiver using symmetrical deflection Feb. 4, 1997
5448140 Image display apparatus with a deflection circuit having function for correcting rotational distortion Sep. 5, 1995
5287041 Side pin cushion circuit Feb. 15, 1994
5111120 Raster corrected vertical deflection circuit May. 5, 1992
4864197 Horizontal deflection circuit for video display monitor Sep. 5, 1989
4633144 Dynamic focus signal shaper Dec. 30, 1986
4581563 Variable format controls CRT raster Apr. 8, 1986
4550271 Gyromagnetron amplifier Oct. 29, 1985
4549118 Step waveform generator and CRT vertical timebase incorporating such a generator Oct. 22, 1985
4544864 Switched vertical deflection circuit with bidirectional power supply Oct. 1, 1985
4425533 Generator for producing a d.c. supply voltage in a television receiver comprising a vertical scanning circuit Jan. 10, 1984
4362973 Aesthetically pleasing CRT-display of single-source signals Dec. 7, 1982
4338549 Vertical deflection circuit Jul. 6, 1982
4335333 Raster scan color display system and method having improved pin cushion non-linearity correction Jun. 15, 1982
4329729 Side pincushion modulator circuit with overstress protection May. 11, 1982
4327312 Circular raster sweep generator Apr. 27, 1982
4292567 In-band resonant loss in TWT's Sep. 29, 1981
4278919 Television vertical deflection circuit utilizing comparators Jul. 14, 1981
4243915 Delay line comprising coupled cavities and cooled by fluid-circulation Jan. 6, 1981
4238712 Switched vertical deflection with triac Dec. 9, 1980
4234826 Synchronous switched vertical deflection driven during both trace and retrace intervals Nov. 18, 1980
4232249 Beam-switched traveling wave tube Nov. 4, 1980
4220898 Raster distortion correction circuit Sep. 2, 1980
4198591 Vertical deflecting circuit Apr. 15, 1980
4160936 Fast-start vertical current feedback circuit Jul. 10, 1979
4157487 Television receiver vertical deflection system and method Jun. 5, 1979
4149107 Backward wave oscillator tube for the production of microwave Apr. 10, 1979
4129804 Image display device commutator Dec. 12, 1978
4118656 North-south pincushion distortion correction circuit Oct. 3, 1978
4117380 Transformer arrangement for synchronously switched vertical deflection system Sep. 26, 1978
4107575 Frequency-selective loss technique for oscillation prevention in traveling-wave tubes Aug. 15, 1978
4096415 Switched vertical deflection circuit Jun. 20, 1978
4081722 Signal processor for switched vertical deflection system Mar. 28, 1978
4016454 Three large signal deflection system Apr. 5, 1977
3988637 Circuit arrangement for generating in a picture display device a sawtooth current of line frequency having an amplitude varying at field frequency Oct. 26, 1976
3986077 Vertical deflection circuit Oct. 12, 1976
3974421 Television deflection coil Aug. 10, 1976
3937879 Information display system having main and auxiliary sweeps Feb. 10, 1976

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