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Class Information
Number: 315/399
Name: Electric lamp and discharge devices: systems > Cathode ray tube circuits > Cathode-ray deflections circuits > Deflection coil circuit
Description: Subject matter wherein the deflection means is a cathode-ray deflection coil, and the coil, when energized through the electrical circuit, produces a magnetic field which interacts with the cathode-ray beam when present in the tube to move the beam transverse to and simultaneously with the movement of the beam within the tube.

Sub-classes under this class:

Class Number Class Name Patents
315/400 Including a saturable element 55
315/401 Including a temperature responsive element 18
315/402 Including a voltage dependent resistor 7
315/403 Including an amplifier 122
315/408 Including solid-state switch 338

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8295442 Apparatus and method for magnetic control of an electron beam Oct. 23, 2012
7315112 Color cathode-ray tube apparatus Jan. 1, 2008
7271553 Deflection circuit to control base current of output transistor Sep. 18, 2007
7233118 Line deflection circuit for a television receiver Jun. 19, 2007
7166972 Vertical deflection apparatus Jan. 23, 2007
7126292 Cathode-ray tube apparatus Oct. 24, 2006
7064501 Sawtooth line circuit for a cathode ray tube Jun. 20, 2006
7023149 CRT vertical scanning circuit with a low power standby Apr. 4, 2006
6995526 Digitally controlled vertical C linearity correction with constant start and end points without using an AGC Feb. 7, 2006
6963181 Cathode-ray tube, cathode-ray tube apparatus, image display apparatus, and coil unit Nov. 8, 2005
6888325 Method for self correcting inner pin distortion using horizontal deflection coil and deflection yoke thereof May. 3, 2005
6885143 Cathode ray tube with offset deflection center Apr. 26, 2005
6882097 Deflection yoke Apr. 19, 2005
6882096 Active landing control system for raster based devices Apr. 19, 2005
6771030 Color cathode ray tube apparatus Aug. 3, 2004
6703801 Deflection yoke and color cathode ray tube device Mar. 9, 2004
6674253 Scan velocity modulation technique Jan. 6, 2004
6636006 Deflection yoke with multiple pairs of vertical coils and switched deflection current Oct. 21, 2003
6630802 Color CRT (Cathode Ray Tube) integrated with deflection circuit Oct. 7, 2003
6621240 Centering circuit Sep. 16, 2003
6570349 Cathode-ray tube apparatus May. 27, 2003
6552504 Deflection circuit with a feedback controlled capacitive transformation Apr. 22, 2003
6509936 Cathode ray tube with magnetic coil for display enhancement Jan. 21, 2003
6501238 Apparatus for correcting mis-convergence and geometric distortion in deflection yoke using variable resistance Dec. 31, 2002
6492783 Deflection yoke and cathode ray tube device Dec. 10, 2002
6479953 Deflection circuit with a retrace capacitive transformation Nov. 12, 2002
6469458 Deflection yoke and a method of winding a deflection coil Oct. 22, 2002
6459219 Horizontal deflection circuit with dynamic S-correction Oct. 1, 2002
6441567 Display device comprising a deflection unit and a deflection unit for a display device Aug. 27, 2002
6417632 Deflection apparatus and control method thereof Jul. 9, 2002
6366036 Arrangement for coupling out an output current from a load current and for gaining a control value to control the load current Apr. 2, 2002
6323607 Horizontal drive circuit in a display device which provides surge protection and a method therefor Nov. 27, 2001
6304043 Circuit arrangement for signal coupling between circuit parts having supply lines isolated from one another Oct. 16, 2001
6291948 Image distortion correction circuit Sep. 18, 2001
6288504 Deflection current/high voltage integration type power supply Sep. 11, 2001
6225763 FET discharging circuit of a horizontal deflection circuit May. 1, 2001
6222328 Horizontal deflection circuit Apr. 24, 2001
6222329 Horizontal deflection circuit Apr. 24, 2001
6201358 Waveform correction using inductance-controllable inductor Mar. 13, 2001
6160364 Circuit for limiting horizontal image size of display Dec. 12, 2000
6133803 Horizontal oscillator with gradual frequency switching circuit Oct. 17, 2000
6118232 Circuit for compensating deflection in a display unit without picture distortion Sep. 12, 2000
6111371 Switch control signal generator Aug. 29, 2000
6081079 Horizontal deflection drive circuit using a plurality of FETs Jun. 27, 2000
6020694 Horizontal size regulation circuit of display device Feb. 1, 2000
6002453 Deflection with low offset Dec. 14, 1999
5969487 Deflection circuit with damping impedance and current compensation Oct. 19, 1999
5962994 Horizontal deflection output circuit for high-frequency horizontal scanning Oct. 5, 1999
5777520 Horizontal oscillation circuit capable of changing frequency Jul. 7, 1998
5754015 Horizontal deflection circuit for multiscan type display devices May. 19, 1998

1 2 3

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