发明授权
US4330879A Adaptive stylus kicker using disc track and disc sector information 失效
自适应触控笔使用光盘轨道和光盘扇区信息

Adaptive stylus kicker using disc track and disc sector information
摘要:
An adaptive video disc record stylus kicker system for inducing limited stylus translations radially across the disc record. Control circuitry responsive to disc track and disc angular sector identification signals automatically calibrates the kicker activation signals to produce a desired kicker induced stylus translation. A microprocessor establishes a table containing kicker control signals for driving the kicker in each sector of the disc. For a given kicker induced stylus translation, the error is calculated between the actual stylus translation and the programmed stylus translation and the control signal for the respective sector is adjusted accordingly. Subsequently the control signals for each of the other sectors are altered proportional to the adjustment made to the particular control signal in accordance with a correlation function.
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