Magnetic tape processor having cleaning and evaluating means

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record

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Details

360 746, 360 95, 360128, 360137, 15306R, G11B 1506, G11B 2304, G11B 2350

Patent

active

041853067

ABSTRACT:
A portion of a magnetic tape mounted on a pair of reels in a videocasette having an access opening is withdrawn from the cassette by finger means and constrained to travel along a fixed path when the reels are driven. Opposite the fixed path is a tape wiper in the form of two pairs of spaced reels, each carrying a wiping tape with each wiping tape wiping one of the surfaces of the magnetic tape. In addition there is provided means for polishing the active surface of the magnetic tape as well as photoelectric means for evaluating such surfaces for imperfections.

REFERENCES:
patent: 3370982 (1968-02-01), Hayunga
patent: 3718777 (1973-02-01), Tupaj
patent: 3731289 (1973-05-01), Bajgert et al.
patent: 3761643 (1973-09-01), Keeler
patent: 3925815 (1975-12-01), Althuber et al.
patent: 3949425 (1976-04-01), Perret et al.
patent: 4004314 (1977-01-01), Post et al.
patent: 4010514 (1977-03-01), Fischer et al.
patent: 4011587 (1977-03-01), Arter et al.
patent: 4054927 (1977-10-01), Zimmerman
IBM Tech. Disc. Bull., Hayunga, Blade Scraping Tape Cleaner, vol. 9, No. 6, Nov. 1966, p. 628.

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