Magnetic floppy disc drive receiving two discs having different

Details Magnetic floppy disc drive receiving two discs having different Magnetic floppy disc drive receiving two discs having different

1994-05-20

1996-11-05

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9701, 360 9807, 360 9808, 360 9904, 360 9912, G11B 5016, G11B 5012, G11B 1708, G11B 1702

Patent

active

055723837

ABSTRACT:
A disc drive device includes a base, a rotary member rotatably supported on the base and a first chucking mechanism for holding a first kind of disc-shaped recording medium while coinciding a rotational center of the first kind of recording medium with a rotational center of the rotary member. The first chucking mechanism is arranged at one end of the rotary member. A second chucking mechanism holds a second kind of disc-shaped recording medium different from the first kind of recording medium with respect to size or disc formatting while coinciding a rotational center of the second kind of recording medium with a rotational center of the rotary member. The second chucking mechanism is arranged at the other end of the rotary member. A driving mechanism is mounted on the base for driving the rotary member.

REFERENCES:
patent: 999097 (1911-07-01), Couade
patent: 2335661 (1943-11-01), Gay
patent: 2908541 (1959-10-01), Fomenko
patent: 4339778 (1982-07-01), Wise
patent: 4383283 (1983-05-01), Machut
patent: 4755978 (1988-07-01), Takizawa et al.
patent: 4773036 (1988-09-01), Berens et al.
patent: 4984149 (1991-01-01), Iwashita et al.

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