JPH0540504Y2 - - Google Patents
Info
- Publication number
- JPH0540504Y2 JPH0540504Y2 JP3104488U JP3104488U JPH0540504Y2 JP H0540504 Y2 JPH0540504 Y2 JP H0540504Y2 JP 3104488 U JP3104488 U JP 3104488U JP 3104488 U JP3104488 U JP 3104488U JP H0540504 Y2 JPH0540504 Y2 JP H0540504Y2
- Authority
- JP
- Japan
- Prior art keywords
- barrier
- pair
- opening
- closing
- lens cover
- 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.)
- Expired - Lifetime
Links
- 230000004888 barrier function Effects 0.000 claims description 109
- 230000007246 mechanism Effects 0.000 claims description 26
- 230000003287 optical effect Effects 0.000 description 12
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Blocking Light For Cameras (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3104488U JPH0540504Y2 (is) | 1988-03-09 | 1988-03-09 | |
| US07/318,336 US4989027A (en) | 1988-03-04 | 1989-03-03 | Barrier mechanism of camera |
| US07/556,376 US5130730A (en) | 1988-03-04 | 1990-07-23 | Barrier mechanism of camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3104488U JPH0540504Y2 (is) | 1988-03-09 | 1988-03-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01135429U JPH01135429U (is) | 1989-09-18 |
| JPH0540504Y2 true JPH0540504Y2 (is) | 1993-10-14 |
Family
ID=31256620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3104488U Expired - Lifetime JPH0540504Y2 (is) | 1988-03-04 | 1988-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0540504Y2 (is) |
-
1988
- 1988-03-09 JP JP3104488U patent/JPH0540504Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01135429U (is) | 1989-09-18 |
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