发明授权
- 专利标题: Wide-band horizontal linearity correction circuit
- 专利标题(中): 宽带水平线性校正电路
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申请号: US40301申请日: 1998-03-18
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公开(公告)号: US6013989A公开(公告)日: 2000-01-11
- 发明人: Ju-Hyung Lee
- 申请人: Ju-Hyung Lee
- 申请人地址: KRX Kyungki-do
- 专利权人: SamSung Electronics Co., Ltd.
- 当前专利权人: SamSung Electronics Co., Ltd.
- 当前专利权人地址: KRX Kyungki-do
- 优先权: KRX96/16943 19960520
- 主分类号: H04N3/233
- IPC分类号: H04N3/233 ; H04N3/237 ; H04N3/27 ; H01J29/56 ; G09G1/04
摘要:
A wide-band horizontal linearity correction circuit includes: a primary line coil connected between a horizontal deflection yoke and an S-correction capacitor, the primary coil being wound around a first a core having a hysteresis characteristic; a secondary line coil wound around a second core adjacent the first core; a pair of permanent magnets of opposite polarities, disposed on either end of the first core; a microprocessor for supplying an analog linearity correction control signal in response to the variation of the frequency of a horizontal drive pulse signal; and a coil driver for driving the secondary line coil in response to the correction control signal supplied by the microcomputer. Accordingly, horizontal linearity can be corrected over an entire frequency band.
公开/授权文献
- US5546477A Data compression and decompression 公开/授权日:1996-08-13