Information recording/reproducing device with a clamping mechani

Details Information recording/reproducing device with a clamping mechani Information recording/reproducing device with a clamping mechani

1994-03-04

1996-12-10

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9912, 369270, G11B 17028

Patent

active

055837174

ABSTRACT:
An information recording/reproducing device is provided with design features permitting are reduction in device height making it readily suitable for compact utility in a computer assembly, such as, a laptop computer or the like as well as a simplification of parts to provide for a reduction in manufacturing and assembly costs. These features include a structure for miniaturization and simplification of the collet mechanism and its assembly for clamping the recording medium, and the employment of a light guide member in the recording medium detection system for detecting the instantaneous rotational position of the recording medium from which a timing signal is derived. With the improvement of the clamping mechanism and use of a light guide member, significant miniaturization and thinning or reduction in casing height of the device can be achieved. Also, a simple but highly effective locking mechanism, not requiring a separate assemblage of parts, is utilized for preventing the extended carriage arm of the recording/reproducing head from accidentally transferring from its standby position to its operational position in the absence of a recording medium inserted into the information recording/reproducing device subjecting it to damage.

REFERENCES:
patent: 4216510 (1980-08-01), Manzke et al.
patent: 4628385 (1986-12-01), Janssen et al.
patent: 4694361 (1987-09-01), Tsuchiya et al.
patent: 4709283 (1987-11-01), Kitahara et al.
patent: 4760477 (1988-07-01), Takikawa
patent: 4807068 (1989-02-01), Shiraishi
patent: 5060096 (1991-10-01), Hirose et al.

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