Video recorder-playback machine
作者： George Vitale , Richard L. Wilkinson
DOI:
关键词:
摘要: A video recorder-playback machine is provided for recording and/or playing back information from an disc. The includes a "write" laser and "read" respectively generating record playback optical beams which are focused upon the disc by record-playback head. An optics carriage movably positions head with respect to in moving alignment carries fixed apparatus monitoring beam during operation mode, substantially simultaneous mode monitor process.
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