DE3784141D1 - Lichteinstellungseinrichtung. - Google Patents
Lichteinstellungseinrichtung.Info
- Publication number
- DE3784141D1 DE3784141D1 DE8787310237T DE3784141T DE3784141D1 DE 3784141 D1 DE3784141 D1 DE 3784141D1 DE 8787310237 T DE8787310237 T DE 8787310237T DE 3784141 T DE3784141 T DE 3784141T DE 3784141 D1 DE3784141 D1 DE 3784141D1
- Authority
- DE
- Germany
- Prior art keywords
- light adjustment
- adjustment
- light
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/04—Controlling
- H05B39/08—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices
- H05B39/081—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices by measuring the incident light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/04—Controlling
- H05B39/08—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S315/00—Electric lamp and discharge devices: systems
- Y10S315/05—Starting and operating circuit for fluorescent lamp
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61278972A JPS63131496A (ja) | 1986-11-20 | 1986-11-20 | 調光装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3784141D1 true DE3784141D1 (de) | 1993-03-25 |
DE3784141T2 DE3784141T2 (de) | 1993-06-24 |
Family
ID=17604631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787310237T Expired - Lifetime DE3784141T2 (de) | 1986-11-20 | 1987-11-19 | Lichteinstellungseinrichtung. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4902936A (de) |
EP (1) | EP0268487B1 (de) |
JP (1) | JPS63131496A (de) |
DE (1) | DE3784141T2 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4949020A (en) * | 1988-03-14 | 1990-08-14 | Warren Rufus W | Lighting control system |
JP2685816B2 (ja) * | 1988-06-30 | 1997-12-03 | 株式会社東芝 | 光量制御装置 |
JPH0830917B2 (ja) * | 1990-04-18 | 1996-03-27 | シャープ株式会社 | 複写装置 |
US5661645A (en) | 1996-06-27 | 1997-08-26 | Hochstein; Peter A. | Power supply for light emitting diode array |
DE19937923A1 (de) * | 1999-08-11 | 2001-02-15 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Vorrichtung zum Betreiben mindestens einer Leuchtdiode |
DE10251504A1 (de) * | 2002-11-04 | 2004-05-19 | Endress + Hauser Flowtec Ag, Reinach | Verfahren und Vorrichtung zur Übertragung von digitalen Signalen über einen Optokoppler |
JP5355264B2 (ja) * | 2009-07-09 | 2013-11-27 | 三菱電機株式会社 | 放電灯点灯装置及び照明器具及び照明制御システム |
CN102415217B (zh) * | 2009-11-19 | 2013-08-28 | 惠州元晖光电股份有限公司 | 用于控制发光二极管的亮度的方法和设备 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5429034Y2 (de) * | 1975-05-01 | 1979-09-17 | ||
US4331914A (en) * | 1980-08-27 | 1982-05-25 | General Electric Company | Load control and switching circuits |
US4373146A (en) * | 1980-10-20 | 1983-02-08 | Gte Products Corporation | Method and circuit for operating discharge lamp |
US4463284A (en) * | 1981-07-28 | 1984-07-31 | Konishiroku Photo Industry Co., Ltd. | Method and apparatus for controlling luminous intensity of fluorescent lamp of reproducing apparatus |
JPS5918598A (ja) * | 1982-07-20 | 1984-01-30 | キヤノン株式会社 | 像形成装置の光源制御装置 |
US4624547A (en) * | 1983-06-28 | 1986-11-25 | Canon Kabushiki Kaisha | Image forming apparatus |
-
1986
- 1986-11-20 JP JP61278972A patent/JPS63131496A/ja active Pending
-
1987
- 1987-11-19 EP EP87310237A patent/EP0268487B1/de not_active Expired - Lifetime
- 1987-11-19 DE DE8787310237T patent/DE3784141T2/de not_active Expired - Lifetime
-
1989
- 1989-05-30 US US07/358,532 patent/US4902936A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4902936A (en) | 1990-02-20 |
DE3784141T2 (de) | 1993-06-24 |
EP0268487B1 (de) | 1993-02-10 |
EP0268487A3 (en) | 1988-08-24 |
EP0268487A2 (de) | 1988-05-25 |
JPS63131496A (ja) | 1988-06-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |