Claims
- 1. An optical information processing apparatus comprising:
- means for supporting an optical storage medium;
- means including an optical head for irradiating a light beam against the optical storage medium;
- a circuit board package mounting electronic circuit elements for controlling said optical head;
- a first chamber accommodating at least said optical head, thereby isolating said optical head from at least said circuit board package;
- an air flow passage isolated from said first chamber, through which ambient air flows to said circuit board package to bypass said first chamber;
- a second chamber spatially isolated from said first chamber, wherein said air flow passage communicates with said second chamber;
- a base cover; and
- a casing with a front portion, and an expandable flexible member;
- wherein said base cover includes means forming an opening upstream of ambient air flowing through said air flow passage, and said opening forming means are connected to said front portion of the casing by said flexible member; and
- wherein said first chamber is isolated from said air flow passage and from the second chamber by said base cover.
- 2. An apparatus according to claim 1, wherein said flexible member is a bellows made of chloroprene rubber.
Priority Claims (1)
Number |
Date |
Country |
Kind |
1-336735 |
Dec 1989 |
JPX |
|
Parent Case Info
This application is a continuation of application Ser. No. 07/631,256, filed Dec. 20, 1990, now abandoned.
US Referenced Citations (11)
Foreign Referenced Citations (4)
Number |
Date |
Country |
0456171 |
Nov 1991 |
EPX |
0465153 |
Jan 1992 |
EPX |
0084081 |
Jun 1980 |
JPX |
63-282955 |
Nov 1988 |
JPX |
Continuations (1)
|
Number |
Date |
Country |
Parent |
631256 |
Dec 1990 |
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