Dynamic information storage or retrieval – With particular cabinet structure – Slotted for edgewise insertion of storage disc
Patent
1982-09-08
1985-03-26
Stephan, Steven L.
Dynamic information storage or retrieval
With particular cabinet structure
Slotted for edgewise insertion of storage disc
369264, G11B 100, G11B 2504
Patent
active
045077703
ABSTRACT:
A control system for a disc player apparatus includes a lifter for ascending a disc placed thereon; a motor device for providing drive power which is used for effecting the ascension of the lifter; a clutch device coupled to the lifter and to the motor device for selectively transmitting the drive power to the lifter; a mechanism coupled to the lifter for causing the disc to be descended when the clutch device stops the transmission of the drive power; and an instruction logic for providing the motor device, with instructions. The motor device generates the drive power only when the instructions are provided.
The lifter has a sensor for providing the clutch device with a position signal for a given period of time when the lifter reaches a given position at which the disc placed on the lifter is lifted up. The clutch device transmits the drive power to the lifter when the position signal is provided. The clutch device stops the transmission of the drive power where the position signal and the instructions are not provided.
REFERENCES:
patent: 4342108 (1982-07-01), Kitamura et al.
patent: 4360907 (1982-11-01), Yamamura
patent: 4390979 (1983-06-01), Saito et al.
Stephan Steven L.
Tokyo Shibaura Denki Kabushiki Kaisha
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