FR2174679A1 - - Google Patents
Info
- Publication number
- FR2174679A1 FR2174679A1 FR7207790A FR7207790A FR2174679A1 FR 2174679 A1 FR2174679 A1 FR 2174679A1 FR 7207790 A FR7207790 A FR 7207790A FR 7207790 A FR7207790 A FR 7207790A FR 2174679 A1 FR2174679 A1 FR 2174679A1
- Authority
- FR
- France
- 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
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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7207790A FR2174679B1 (enExample) | 1972-03-07 | 1972-03-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7207790A FR2174679B1 (enExample) | 1972-03-07 | 1972-03-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2174679A1 true FR2174679A1 (enExample) | 1973-10-19 |
| FR2174679B1 FR2174679B1 (enExample) | 1978-06-02 |
Family
ID=9094735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7207790A Expired FR2174679B1 (enExample) | 1972-03-07 | 1972-03-07 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2174679B1 (enExample) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0410484A1 (de) * | 1989-07-28 | 1991-01-30 | Zumtobel Aktiengesellschaft | Verfahren zur Anpassung der Lichtstärke des Summenlichts an das Aussenlicht |
| EP0432845A3 (en) * | 1989-12-11 | 1992-07-08 | N.V. Philips' Gloeilampenfabrieken | Method for controlling fluorescent lamp dimmers and circuit for providing such control |
| EP0416697A3 (en) * | 1989-09-05 | 1992-08-12 | North American Philips Corporation | Dimmer control circuit |
| EP0987927A3 (de) * | 1998-09-16 | 2001-11-21 | Siemens Aktiengesellschaft | Verfahren zur Konstantlichtregelung |
| ES2413181R1 (es) * | 2011-07-22 | 2013-09-17 | Univ Valladolid | Sistema inalambrico y procedimiento para el ahorro energetico en alumbrado. |
-
1972
- 1972-03-07 FR FR7207790A patent/FR2174679B1/fr not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0410484A1 (de) * | 1989-07-28 | 1991-01-30 | Zumtobel Aktiengesellschaft | Verfahren zur Anpassung der Lichtstärke des Summenlichts an das Aussenlicht |
| WO1991002441A1 (de) * | 1989-07-28 | 1991-02-21 | Zumtobel Aktiengesellschaft | Verfahren zur anpassung der lichtstärke des summenlichtes an das aussenlicht |
| US5250799A (en) * | 1989-07-28 | 1993-10-05 | Zumtobel Aktiengesellschaft | Method for adapting the light intensity of the summation light to the external light |
| JP2974408B2 (ja) | 1989-07-28 | 1999-11-10 | ツムトーベル アクチェンゲゼルシャフト | 加算光の光度を外光に適合させる方法及びその実施に供される回路装置 |
| EP0416697A3 (en) * | 1989-09-05 | 1992-08-12 | North American Philips Corporation | Dimmer control circuit |
| EP0432845A3 (en) * | 1989-12-11 | 1992-07-08 | N.V. Philips' Gloeilampenfabrieken | Method for controlling fluorescent lamp dimmers and circuit for providing such control |
| EP0987927A3 (de) * | 1998-09-16 | 2001-11-21 | Siemens Aktiengesellschaft | Verfahren zur Konstantlichtregelung |
| ES2413181R1 (es) * | 2011-07-22 | 2013-09-17 | Univ Valladolid | Sistema inalambrico y procedimiento para el ahorro energetico en alumbrado. |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2174679B1 (enExample) | 1978-06-02 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |