Dual side disc player having a pickup reversing mechanism

Details Dual side disc player having a pickup reversing mechanism Dual side disc player having a pickup reversing mechanism

1990-04-20

1991-06-18

Levy, Stuart S.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Access of multiple storage elements

369195, G11B 1704, G11B 1708

Patent

active

050254405

ABSTRACT:
A double-sided playing disc player is disclosed in which recorded signals are reproduced from a disc, on both faces of which signals are recorded, by a pickup disposed on the side of a turntable or another pickup disposed on the side opposite to the turntable. The disc player comprises a first centering hub mounted on the turntable, a clamping mechanism for clamping the disc placed on the turntable, and a second centering hub mounted on the clamper mechanism.

REFERENCES:
patent: 3133736 (1964-05-01), Bodenroder
patent: 4416003 (1983-11-01), Suzuki
patent: 4539670 (1985-09-01), Inaba et al.
patent: 4566087 (1986-01-01), Kraft
patent: 4771416 (1988-09-01), Ishibashi et al.
patent: 4811324 (1989-03-01), Ikedo et al.
patent: 4839881 (1989-06-01), Takahara et al.
Partial European Search Report, EP 88 31 1298.
Patent Abstracts of Japan, vol. 9, No. 109 (P-355) (1832), May 14, 1985.
JP-A-59 231 784 (Sony K.K.), 12-26-1984, Abstract.

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