JPH02138897U - - Google Patents
Info
- Publication number
- JPH02138897U JPH02138897U JP4811589U JP4811589U JPH02138897U JP H02138897 U JPH02138897 U JP H02138897U JP 4811589 U JP4811589 U JP 4811589U JP 4811589 U JP4811589 U JP 4811589U JP H02138897 U JPH02138897 U JP H02138897U
- Authority
- JP
- Japan
- Prior art keywords
- volume
- lower limit
- light control
- control device
- plate
- 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
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4811589U JPH02138897U (en, 2012) | 1989-04-24 | 1989-04-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4811589U JPH02138897U (en, 2012) | 1989-04-24 | 1989-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02138897U true JPH02138897U (en, 2012) | 1990-11-20 |
Family
ID=31564640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4811589U Pending JPH02138897U (en, 2012) | 1989-04-24 | 1989-04-24 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02138897U (en, 2012) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006134718A (ja) * | 2004-11-05 | 2006-05-25 | Mabuchi System Engineering:Kk | 灯具用調光器 |
US9338846B2 (en) | 2014-03-13 | 2016-05-10 | Panasonic Intellectual Property Management Co., Ltd. | Dimming device and illumination system using same |
-
1989
- 1989-04-24 JP JP4811589U patent/JPH02138897U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006134718A (ja) * | 2004-11-05 | 2006-05-25 | Mabuchi System Engineering:Kk | 灯具用調光器 |
US9338846B2 (en) | 2014-03-13 | 2016-05-10 | Panasonic Intellectual Property Management Co., Ltd. | Dimming device and illumination system using same |