JPS633002U - - Google Patents
Info
- Publication number
- JPS633002U JPS633002U JP9705186U JP9705186U JPS633002U JP S633002 U JPS633002 U JP S633002U JP 9705186 U JP9705186 U JP 9705186U JP 9705186 U JP9705186 U JP 9705186U JP S633002 U JPS633002 U JP S633002U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- light
- visible light
- covered
- filter device
- 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
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Blocking Light For Cameras (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9705186U JPS633002U (zh) | 1986-06-25 | 1986-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9705186U JPS633002U (zh) | 1986-06-25 | 1986-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS633002U true JPS633002U (zh) | 1988-01-09 |
Family
ID=30963570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9705186U Pending JPS633002U (zh) | 1986-06-25 | 1986-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS633002U (zh) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4871823A (zh) * | 1971-12-27 | 1973-09-28 | ||
| JPS5725738A (en) * | 1980-07-23 | 1982-02-10 | Toshiba Electric Equip Corp | Illuminating device |
-
1986
- 1986-06-25 JP JP9705186U patent/JPS633002U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4871823A (zh) * | 1971-12-27 | 1973-09-28 | ||
| JPS5725738A (en) * | 1980-07-23 | 1982-02-10 | Toshiba Electric Equip Corp | Illuminating device |