Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent
1981-04-21
1983-10-18
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
206444, 360133, G11B 2504
Patent
active
044109210
ABSTRACT:
Information signals are reproduced from a disc-shaped recording medium which was accommodated within a case. The case has a jacket with space for accommodating the disc-shaped recording medium therein and an opening through which the disc-shaped recording medium can enter and leave the jacket. A lid member may be inserted through the opening of the jacket for covering and closing the opening. The apparatus for reproducing the disc comprises an inserting opening through which the case is manually inserted. A holding mechanism holds either the disc-shaped recording medium or the lid member at an innermost part of the reproducing apparatus and on the side opposite of the inserting opening. A turntable is located between the inserting opening and the holding mechanism. A push-back mechanism includes energy storing members which are urged responsive to a disc insertion operation in which the case is inserted through the inserting opening and into the innermost part of the reproducing apparatus. The case is pushed back responsive to a release of the pushing and inserting force acting on the case. The push back occurs in response to a use of the stored energy forces. The case is pushed back in a direction which is opposite to the direction of the insertion of the case, so that after push back a part of the case projects outwardly from the inserting opening.
REFERENCES:
patent: 3899181 (1975-08-01), Dannert et al.
patent: 3951264 (1976-04-01), Heidecker et al.
patent: 4063286 (1977-12-01), Takahara et al.
patent: 4113262 (1978-09-01), De Stephanis
patent: 4124866 (1978-11-01), Coleman
patent: 4164782 (1979-08-01), Stewart
patent: 4239238 (1980-12-01), Coleman
Bernat Louis
Victor Company of Japan Ltd.
Wolff John H.
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