Dynamic information storage or retrieval – Dynamic mechanism subsystem – Access of multiple storage elements
Patent
1989-06-15
1991-05-07
Shoop, Jr., William M.
Dynamic information storage or retrieval
Dynamic mechanism subsystem
Access of multiple storage elements
360133, 360 9701, 369 36, 369192, G11B 2303
Patent
active
050142585
ABSTRACT:
A multi-disc player having means for preventing a disc magazine from being inserted upsidedown. The disc player includes a magazine holder, means for taking a disc tray out of a magazine accommodated in the holder, a turntable, a disc clamper and playback means. The magazine has a front face formed with a surface at one portion and formed with a stepped portion at another portion. The preventing means includes a magazine ejector arm pivotally supported on the magazine holder, and a biasing spring for urging the ejector arm in a direction to eject the magazine out of the magazine holder. If the magazine ejector arm is in contact with the surface, the ejector arm can be fully pivotted because of manual pushing force applied to the magazine. However, if the magazine ejector arm is in contact with the stepped portion due to the insertion of the magazine upsidedown, the ejector arm is lockingly engaged with the stepped portion to terminate its pivotal motion prior to reaching its fully pivotted position.
REFERENCES:
patent: 4745500 (1988-05-01), Davis
patent: 4788673 (1988-11-01), Ikedo et al.
patent: 4864551 (1989-09-01), Tomita et al.
patent: 4876619 (1989-10-01), Suzuki
Kawamura Masahiko
Kon Tokushige
Maruyama Sigeo
Takahashi Akira
Takemasa Kaoru
Cabeca John W.
Pioneer Electronic Corp.
Shoop Jr. William M.
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