Dynamic magnetic information storage or retrieval – Miscellaneous
Patent
1981-07-29
1983-11-01
Eddleman, Alfred H.
Dynamic magnetic information storage or retrieval
Miscellaneous
360 97, 360133, G11B 582, G11B 1910
Patent
active
044132999
ABSTRACT:
A state indicating device in a reproducing apparatus for reproducing a rotary recording medium recorded with signals which has been accommodated within a case, where the case has a space for accommodating the rotary recording medium, a jacket having an opening through which the rotary recording medium can enter or leave, and a lid plate inserted through the opening of the jacket to close the opening, and the reproducing apparatus has an inserting opening through which the case is inserted, a turntable for rotating the rotary recording medium, a lid plate locking mechanism and a rotary recording medium clamping mechanism respectively provided at the innermost part of the reproducing apparatus opposite to the inserting opening with respect to the turntable, a lowering and raising mechanism for lowering and raising the rotary recording medium between a position clamped by the clamping mechanism and a position on the turntable, reproducing device for reproducing recorded signals from the rotary recording medium, and a transferring mechanism for transferring the reproducing device over the rotary recording medium, the state indicating device comprises a first display for indicating a state possible for inserting the case into the reproducing apparatus, a second display for indicating a reproduction stand-by state in which the rotary recording medium is placed onto the turntable within the reproducing apparatus, a third display for indicating a reproducing state in which the rotary recording medium is being reproduced by the reproducing means, a fourth display for indicating a state possible for recovering the rotary recording medium outside of the reproducing apparatus, by inserting an empty jacket into the reproducing apparatus to accommodate the rotary recording medium within the jacket, and a detecting and driving circuit for detecting states of the reproducing apparatus and selectively driving displays of the first through fourth displays.
REFERENCES:
patent: 3662360 (1972-05-01), Lambert
patent: 4266784 (1981-05-01), Torrington
"Patent Abstracts of Japan", Feb. 21, 1980, vol. 4, No. 21, ad Kokai No. 54-16 02 06.
"Patents Abstracts of Japan", Mar. 28, 1980, vol. 4, No. 39, ad 55-12 580 (A), ad 55-12 582 (A).
"Patents Abstracts of Japan", Apr. 17, 1980, vol. 4, No. 51, ad 55-22266 (A).
Abe Ryuzo
Sakurai Masaki
Sugiyama Hiroyuki
Yoshihara Kenji
Yusa Yasuhiro
Bernat Louis
Eddleman Alfred H.
Victor Company of Japan Ltd.
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