Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Tape record
Patent
1982-06-25
1985-03-12
Kilgore, Robert M.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Tape record
360 746, 242198, G11B 5008, G11B 1548, G11B 1532, G03B 104
Patent
active
045048762
ABSTRACT:
A miniature type tape cassette comprises a cassette case smaller than a standard type tape cassette, a magnetic tape, a transparent leader tape having one end secured to a take-up reel and the other end connected to a starting end of the magnetic tape, and a transparent trailer tape having one end secured to a supply reel and the other end connected to a terminal end of the magnetic tape, which are accommodated within the cassette case. The miniature type tape cassette is loaded together with a tape cassette adapter having an external form and size identical to the standard type tape cassette into a standard type recording and/or reproducing apparatus, and is also loaded independently into a compact type recording and/or reproducing apparatus of a type different from the standard type recording and/or reproducing apparatus. An optical tape end detector provided in the standard type recording and/or reproducing apparatus detects the tape ends at two detecting positions, where a first tape length between the supply reel and one detecting position is different from a second tape length between the take-up reel and the other detecting position. The transparent leader tape and the transparent trailer tape have mutually different lengths respectively longer than the first and second tape lengths so that the optical tape end detector can perform the detection, in a state where the miniature type tape cassette is accommodated within the tape cassette adapter and loaded into the standard type recording and reproducing apparatus together with the tape cassette adapter. The difference in lengths between the transparent leader tape and the transparent trailer tape corresponds to the difference between the first and second tape lengths.
REFERENCES:
patent: 3800321 (1974-03-01), Bolick
patent: 3900170 (1975-08-01), Serizawa
patent: 4091426 (1978-05-01), Umeda
patent: 4138698 (1979-02-01), Kokei
patent: 4185307 (1980-01-01), Sato
patent: 4206487 (1980-06-01), Sato
Bernat Louis
Kilgore Robert M.
Victor Company of Japan Ltd.
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