| 摘要 |
PCT No. PCT/GB83/00095 Sec. 371 Date Nov. 30, 1983 Sec. 102(e) Date Nov. 30, 1983 PCT Filed Mar. 29, 1983 PCT Pub. No. WO83/03513 PCT Pub. Date Oct. 13, 1983.In a telecine apparatus having a film transport mechanism for moving a film at a nominally constant speed and including a motor driving a capstan around which the film passes, there is a sensor for line-by-line scanning of the film to provide a raster-scanned electrical output signal representative of the film image. Also included is a scan control and a film speed measuring device coupled to the capstan to provide an output representative of the instantaneous film speed. A compensating device connects the output of the film speed measuring device to an input of the scan control such that the scan time of a particular line scanned by the sensor is varied to compensate for fluctuations in the film speed.
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