JPH01123801U - - Google Patents
Info
- Publication number
- JPH01123801U JPH01123801U JP1627588U JP1627588U JPH01123801U JP H01123801 U JPH01123801 U JP H01123801U JP 1627588 U JP1627588 U JP 1627588U JP 1627588 U JP1627588 U JP 1627588U JP H01123801 U JPH01123801 U JP H01123801U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- source lamp
- shielding tube
- diffusion filter
- inner peripheral
- 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
- 238000009792 diffusion process Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1627588U JPH01123801U (en:Method) | 1988-02-12 | 1988-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1627588U JPH01123801U (en:Method) | 1988-02-12 | 1988-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01123801U true JPH01123801U (en:Method) | 1989-08-23 |
Family
ID=31229062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1627588U Pending JPH01123801U (en:Method) | 1988-02-12 | 1988-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01123801U (en:Method) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6127180B2 (en:Method) * | 1980-02-20 | 1986-06-24 | Denki Kagaku Kogyo Kk |
-
1988
- 1988-02-12 JP JP1627588U patent/JPH01123801U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6127180B2 (en:Method) * | 1980-02-20 | 1986-06-24 | Denki Kagaku Kogyo Kk |