JPH0454107U - - Google Patents
Info
- Publication number
- JPH0454107U JPH0454107U JP1990095521U JP9552190U JPH0454107U JP H0454107 U JPH0454107 U JP H0454107U JP 1990095521 U JP1990095521 U JP 1990095521U JP 9552190 U JP9552190 U JP 9552190U JP H0454107 U JPH0454107 U JP H0454107U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- filter unit
- transmittance
- light transmittance
- low
- 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 claims description 13
- 238000010586 diagram Methods 0.000 description 3
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990095521U JPH0454107U (ru) | 1990-09-13 | 1990-09-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990095521U JPH0454107U (ru) | 1990-09-13 | 1990-09-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0454107U true JPH0454107U (ru) | 1992-05-08 |
Family
ID=31834288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990095521U Pending JPH0454107U (ru) | 1990-09-13 | 1990-09-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0454107U (ru) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017109660A (ja) * | 2015-12-17 | 2017-06-22 | シャープ株式会社 | 発光装置および照明装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5767206A (en) * | 1980-10-14 | 1982-04-23 | Marumo Denki Kk | Dimmer |
JPH02148508A (ja) * | 1988-11-29 | 1990-06-07 | Fuji Photo Optical Co Ltd | 光源光量調整装置 |
JPH02152104A (ja) * | 1988-12-05 | 1990-06-12 | Fuji Photo Optical Co Ltd | 光源光量調整装置 |
-
1990
- 1990-09-13 JP JP1990095521U patent/JPH0454107U/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5767206A (en) * | 1980-10-14 | 1982-04-23 | Marumo Denki Kk | Dimmer |
JPH02148508A (ja) * | 1988-11-29 | 1990-06-07 | Fuji Photo Optical Co Ltd | 光源光量調整装置 |
JPH02152104A (ja) * | 1988-12-05 | 1990-06-12 | Fuji Photo Optical Co Ltd | 光源光量調整装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017109660A (ja) * | 2015-12-17 | 2017-06-22 | シャープ株式会社 | 発光装置および照明装置 |
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