A single deck dual tape path videocassette recorder/playback system enabling near simultaneous multiple functions with respect to a broadcast or cable communicated television signal. The system consists of standard elements which allow the receipt of a videocassette, the extracting and return of...http://www.google.com.hk/patents/US5841940?utm_source=gb-gplus-share專利 US5841940 - Single deck dual tape path VCR system
