JPS6420698U - - Google Patents
Info
- Publication number
- JPS6420698U JPS6420698U JP11574187U JP11574187U JPS6420698U JP S6420698 U JPS6420698 U JP S6420698U JP 11574187 U JP11574187 U JP 11574187U JP 11574187 U JP11574187 U JP 11574187U JP S6420698 U JPS6420698 U JP S6420698U
- Authority
- JP
- Japan
- Prior art keywords
- light
- detects
- incandescent lamp
- lamp
- light sensor
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 2
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987115741U JPH0722878Y2 (ja) | 1987-07-28 | 1987-07-28 | 照明装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987115741U JPH0722878Y2 (ja) | 1987-07-28 | 1987-07-28 | 照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6420698U true JPS6420698U (he) | 1989-02-01 |
JPH0722878Y2 JPH0722878Y2 (ja) | 1995-05-24 |
Family
ID=31357667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987115741U Expired - Lifetime JPH0722878Y2 (ja) | 1987-07-28 | 1987-07-28 | 照明装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0722878Y2 (he) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007049659A1 (ja) * | 2005-10-26 | 2007-05-03 | Matsushita Electric Industrial Co., Ltd. | 複数の高圧放電ランプの点灯方法、その点灯装置、ランプシステム及び投射型画像表示装置 |
JP2012008876A (ja) * | 2010-06-25 | 2012-01-12 | Panasonic Electric Works Co Ltd | 電源装置、及びその電源装置を備える照明装置、並びに照明システム |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5591588A (en) * | 1978-12-29 | 1980-07-11 | Ikeda Denki Kk | Illuminator |
JPS5746495A (en) * | 1980-09-01 | 1982-03-16 | Canon Kk | Dimming device |
-
1987
- 1987-07-28 JP JP1987115741U patent/JPH0722878Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5591588A (en) * | 1978-12-29 | 1980-07-11 | Ikeda Denki Kk | Illuminator |
JPS5746495A (en) * | 1980-09-01 | 1982-03-16 | Canon Kk | Dimming device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007049659A1 (ja) * | 2005-10-26 | 2007-05-03 | Matsushita Electric Industrial Co., Ltd. | 複数の高圧放電ランプの点灯方法、その点灯装置、ランプシステム及び投射型画像表示装置 |
JP2012008876A (ja) * | 2010-06-25 | 2012-01-12 | Panasonic Electric Works Co Ltd | 電源装置、及びその電源装置を備える照明装置、並びに照明システム |
Also Published As
Publication number | Publication date |
---|---|
JPH0722878Y2 (ja) | 1995-05-24 |