Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Patent
1993-08-30
1995-05-23
Epps, Georgia Y.
Dynamic information storage or retrieval
Storage medium structure
Optical track structure
369 72, 369 751, 360 9702, 360 9703, G11B 3314
Patent
active
054187753
ABSTRACT:
The interior of a casing or housing 8 for an optical disk drive apparatus is divided into a first space S1 where a optical head 3, an optical disk loading mechanism 7 and a means 15 for increasing the pressure to prevent the entrance of dust and dirt into the first space S1 from the outside are positioned and a second space S2 where an electrical equipment section 5, a power supply section 6 and a motor-driven fan 9 for cooling the second space S2 are positioned, whereby it is possible to effectively cool the electrical equipment section 5 and the power supply section 6 in the second space S2, as well as to prevent the optical head 3 in the first space S1 from being contaminated by dust and dirt, so that the operation of this optical disk drive apparatus can be effectively maintained in a stable condition.
REFERENCES:
patent: 4642715 (1987-02-01), Ende
patent: 4680656 (1987-07-01), Manzke et al.
patent: 5255137 (1993-10-01), Suzuki
patent: 5255256 (1993-10-01), Engler et al.
patent: 5301178 (1994-04-01), Okabe et al.
patent: 5303220 (1994-04-01), Whitaker et al.
Chu Kim-Kwok
Epps Georgia Y.
NSK Ltd.
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