JPH0374035U - - Google Patents
Info
- Publication number
- JPH0374035U JPH0374035U JP13391789U JP13391789U JPH0374035U JP H0374035 U JPH0374035 U JP H0374035U JP 13391789 U JP13391789 U JP 13391789U JP 13391789 U JP13391789 U JP 13391789U JP H0374035 U JPH0374035 U JP H0374035U
- Authority
- JP
- Japan
- Prior art keywords
- light
- frame
- opening
- visible light
- exclusion filter
- 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.)
- Pending
Links
- 230000007717 exclusion Effects 0.000 claims 8
- 230000003287 optical effect Effects 0.000 claims 4
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000007257 malfunction Effects 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13391789U JPH0374035U (hu) | 1989-11-20 | 1989-11-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13391789U JPH0374035U (hu) | 1989-11-20 | 1989-11-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0374035U true JPH0374035U (hu) | 1991-07-25 |
Family
ID=31681301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13391789U Pending JPH0374035U (hu) | 1989-11-20 | 1989-11-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0374035U (hu) |
-
1989
- 1989-11-20 JP JP13391789U patent/JPH0374035U/ja active Pending