Video tape cassette with internal tape erasing means

Details Video tape cassette with internal tape erasing means Video tape cassette with internal tape erasing means

1985-03-18

1987-04-21

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

In container

242198, 360 66, G11B 2302

Patent

active

046601155

ABSTRACT:
A video tape cassette includes a case or housing formed by upper and lower mating case sections of molded plastics material. A tape supply reel and a take-up reel are supported for rotation within the housing, and a prerecorded magnetic tape is wound onto the supply reel. The leading end portion of the tape extends around guide rollers along a predetermined path to the take-up reel, and a tape erasing element or magnet is supported within the housing to erase the prerecorded material from the tape as it is wound onto the take-up reel and thereby provide for only one time use of the prerecorded material.

REFERENCES:
patent: 3612774 (1971-10-01), Wiklund
patent: 4017905 (1977-04-01), Convertine et al.

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