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Class Information
Number: 315/384
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 blanking
Description: Subject matter in which the cathode-ray is turned-off during normal operation of the cathode-ray tube.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7432671 Method and apparatus for a level-shift inverter for cathode ray tube blanking Oct. 7, 2008
6788351 Circuit and method for adjusting width of fly-back pulse in video signal processing unit realized in one chip Sep. 7, 2004
6545717 Display system having selectable automatic CRT cutoff stabilization or AKB with CRT feedback current simulation Apr. 8, 2003
6307335 Braun tube discharge apparatus Oct. 23, 2001
6252361 High-voltage power supply disabling circuit for video display Jun. 26, 2001
6211908 Television apparatus with supplementary kinescope blanking and spot burn protection circuitry Apr. 3, 2001
6069660 Automatic black level stabilizing apparatus May. 30, 2000
6046552 Spot eliminating circuit of an image display device Apr. 4, 2000
6020693 Method for reducing residual spot in cathode ray tube Feb. 1, 2000
5969486 Detecting horizontal blanking time in cathode ray tube devices Oct. 19, 1999
5969762 Video signal driver including a cascode transistor Oct. 19, 1999
5953004 Device and method for controlling video muting using a microcomputer Sep. 14, 1999
5932977 Blanking circuit having a pulse width extension part Aug. 3, 1999
5920339 Spot killer circuit for a cathode ray tube Jul. 6, 1999
5917292 Controller for applications pertaining to the display of images on cathode-ray tube screens Jun. 29, 1999
5894203 Horizontal retrace time adjustment pulse generating circuit for a display device Apr. 13, 1999
5777685 Deflection signal pulse shaper circuit Jul. 7, 1998
5714849 Circuit and method for adjusting horizontal retrace time and limiting pulse peak in display device Feb. 3, 1998
5682083 Spot removing circuit for a CRT with grid control means Oct. 28, 1997
5465032 Vertical deflection circuit Nov. 7, 1995
5463289 First grid muting circuit Oct. 31, 1995
5300865 Self adjusting blanking signal generator Apr. 5, 1994
5250878 CRT beam intensity correction system Oct. 5, 1993
5216336 Generator for sawtooth signal with selectable retrace slope for a deflection apparatus Jun. 1, 1993
5175468 Device for generating an on-off modulation electron beam Dec. 29, 1992
5084657 Spot killer circuit having blanking function Jan. 28, 1992
5051608 Circuit arrangement for supplying a periodic, substantially parabolic signal Sep. 24, 1991
5036257 Projection TV deflection loss protection circuit Jul. 30, 1991
5036260 Self biasing protection arrangement for a cathode ray tube Jul. 30, 1991
5010284 Device for the optical recording of rapid processes with a TV camera Apr. 23, 1991
4942471 Blanking circuit for television receiver Jul. 17, 1990
4931704 Ultrafast sampling oscilloscope Jun. 5, 1990
4820959 Projection CRT protection circuit Apr. 11, 1989
4814880 Blanking circuit for use in a display apparatus which has a cathode-ray tube Mar. 21, 1989
4795947 Device for eliminating the interline flicker Jan. 3, 1989
4767971 Horizontal blanking pulse generation circuit used for display unit with cathode-ray tube Aug. 30, 1988
4747035 Isolator for power system instrument May. 24, 1988
4721943 Digital-to-analog converter for video application Jan. 26, 1988
4669037 Isolator for power system instrument May. 26, 1987
4642532 Projection TV deflection loss protection circuit Feb. 10, 1987
4612484 Television receivers Sep. 16, 1986
4540919 Method and apparatus for automatically controlling highlight effects Sep. 10, 1985
4521720 Projection TV CRT burn protection Jun. 4, 1985
4470043 Non-fade bouncing ball display Sep. 4, 1984
4450386 Electronic television picture framing circuit May. 22, 1984
4390817 Integratable CRT spot cut-off network Jun. 28, 1983
4361785 Versatile video CRT display Nov. 30, 1982
4345187 High resolution, high density CRT monitor Aug. 17, 1982
4319166 Method and apparatus of automatically processing and correcting the blocking voltage of an electron gun Mar. 9, 1982
4282462 Arc lamp lighting unit with means to prevent prolonged application of starting potentials Aug. 4, 1981

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