Flexible magnetic disk cassette and a recording and/or reproduci

Details Flexible magnetic disk cassette and a recording and/or reproduci Flexible magnetic disk cassette and a recording and/or reproduci

1981-08-13

1985-05-14

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

In container

360 99, G11B 2302

Patent

active

045176175

ABSTRACT:
A recording and/or reproducing apparatus and a magnetic disk cassette having a flexible magnetic disk and a cover for containing the magnetic disk. The cover has a driving hole for driving the flexible magnetic disk from outside of the cover, a recording opening for exposing a recording surface of the flexible magnetic disk, and a cut-out portion provided on one side of the cover for detecting correct installation of the flexible magnetic disk cassette into a recording and/or reproducing apparatus. A shutter is slidably provided on the cover for selectively exposing the recording surface through the recording opening and the cut-out portion when the flexible magnetic disk is ready for use. The recording and/or reproducing apparatus for the flexible magnetic disk cassette includes a driving member engaged with the flexible magnetic disk through the driving hole of the cover for rotating the flexible magnetic disk. A transducing head is contacted with the recording surface of the flexible magnetic disk through the recording opening when the shutter is in an operative position. A projection is provided in the apparatus in facing relation to the cut-out portion of the cover when the flexible magnetic disk cassette is installed correctly.

REFERENCES:
patent: 3416150 (1968-12-01), Lindberg, Jr.
patent: 4003088 (1977-01-01), Schwartz
patent: 4060839 (1977-11-01), Meadows
patent: 4120012 (1978-10-01), Bowers
patent: 4149207 (1979-04-01), Porter, Jr. et al.

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