JPS6429179A - Image projection device - Google Patents
Image projection deviceInfo
- Publication number
- JPS6429179A JPS6429179A JP18624387A JP18624387A JPS6429179A JP S6429179 A JPS6429179 A JP S6429179A JP 18624387 A JP18624387 A JP 18624387A JP 18624387 A JP18624387 A JP 18624387A JP S6429179 A JPS6429179 A JP S6429179A
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- injected
- room
- injection holes
- expanded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
PURPOSE:To restrain the rise of internal pressure to be low without providing a comlicated pressure adjustment mechanism even when internal OC liquid is thermal-expanded and the volume of it is expanded by providing an air area in an optical coupling room. CONSTITUTION:When the OC liquid 50 is injected to the OC room, a liquid surface 51 gradually rises and reaches the aperture of the lower part of injection holes 26 and 27 by and by. Besides, when the OC liquid is tried to be injected, it overflows from the injection holes 26 and 27 and it cannot be injected more. Therefore, the OC liquid surface 51 stops at the aperture position of the lower part of the injection holes 26 and 27 and the upper part of it, an air occupancy part 30 is certainly ensured. By ensuring the proper air occupancy part in the OC room without the complicated relaxing mechanism of the inner pressure, the thermal expansion of the OC liquid can be absorbed and the rise of the internal pressure can be restrained to be low.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18624387A JP2600696B2 (en) | 1987-07-24 | 1987-07-24 | Image projection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18624387A JP2600696B2 (en) | 1987-07-24 | 1987-07-24 | Image projection device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6429179A true JPS6429179A (en) | 1989-01-31 |
JP2600696B2 JP2600696B2 (en) | 1997-04-16 |
Family
ID=16184855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18624387A Expired - Fee Related JP2600696B2 (en) | 1987-07-24 | 1987-07-24 | Image projection device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2600696B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6732781B2 (en) | 2000-02-25 | 2004-05-11 | Societe Bic | Hand-held device for transferring a film onto a substrate with a concealable application member |
DE4408753B4 (en) * | 1993-03-16 | 2004-12-09 | Matsushita Electric Industrial Co., Ltd., Kadoma | Projection lens unit |
-
1987
- 1987-07-24 JP JP18624387A patent/JP2600696B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4408753B4 (en) * | 1993-03-16 | 2004-12-09 | Matsushita Electric Industrial Co., Ltd., Kadoma | Projection lens unit |
US6732781B2 (en) | 2000-02-25 | 2004-05-11 | Societe Bic | Hand-held device for transferring a film onto a substrate with a concealable application member |
Also Published As
Publication number | Publication date |
---|---|
JP2600696B2 (en) | 1997-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |