Dynamic magnetic information storage or retrieval – Monitoring or testing the progress of recording
Patent
1987-10-16
1989-02-28
LaRoche, Eugene R.
Dynamic magnetic information storage or retrieval
Monitoring or testing the progress of recording
358254, 358335, H04N 578
Patent
active
048090891
ABSTRACT:
A truly portable video cassette player comprising only a video cassette detector including video cassette reel structure for receiving a video cassette having a video tape thereon and reeling and unreeling the video tape, audio detection structure including an audio pick up head located adjacent the video cassette reel structure for picking up audio signals from the video tape and providing an output for detected audio signals, and video detection structure including a video pick up head also positioned adjacent the video cassette reel structure for picking up video signals from the video tape and a video detector for receiving a detected video output signal from the video pick up head and providing a video output signal, structure for broadcasting the audio signal including an audio speaker and amplifying structure between the audio detector and audio speaker, video display structure including a video display device which may be either a cathode ray tube or a liquid crystal display, and a video control circuit positioned between the video display device and the video detector for controlling a visual display of the detected video signal, and a detachable portable power supply for supplying operating energy to the video cassette detector, broadcasting structure and video display structure, which energy is either AC/DC or AC electrical energy.
REFERENCES:
patent: 3702721 (1972-11-01), Skuja
patent: 4633323 (1986-12-01), Haberkern et al.
"The Entertainment Center With Absolutely Nothing Left Out" The Sharper Image Catalog, Fall 1984.
LaRoche Eugene R.
Mis David
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