FR2264454B3 - - Google Patents
Info
- Publication number
- FR2264454B3 FR2264454B3 FR7507504A FR7507504A FR2264454B3 FR 2264454 B3 FR2264454 B3 FR 2264454B3 FR 7507504 A FR7507504 A FR 7507504A FR 7507504 A FR7507504 A FR 7507504A FR 2264454 B3 FR2264454 B3 FR 2264454B3
- 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.)
- Expired
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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/39—Controlling the intensity of light continuously
- H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
- H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
- H05B41/3924—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by phase control, e.g. using a triac
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7403203A NL7403203A (nl) | 1974-03-11 | 1974-03-11 | Inrichting voor het voeden van een gas- en/of dampontladingslamp. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2264454A1 FR2264454A1 (OSRAM) | 1975-10-10 |
| FR2264454B3 true FR2264454B3 (OSRAM) | 1977-11-18 |
Family
ID=19820925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7507504A Expired FR2264454B3 (OSRAM) | 1974-03-11 | 1975-03-11 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS50122084A (OSRAM) |
| BE (1) | BE826490A (OSRAM) |
| DE (1) | DE2508210A1 (OSRAM) |
| FR (1) | FR2264454B3 (OSRAM) |
| GB (1) | GB1451186A (OSRAM) |
| NL (1) | NL7403203A (OSRAM) |
-
1974
- 1974-03-11 NL NL7403203A patent/NL7403203A/xx unknown
-
1975
- 1975-02-26 DE DE19752508210 patent/DE2508210A1/de active Pending
- 1975-03-07 GB GB957675A patent/GB1451186A/en not_active Expired
- 1975-03-08 JP JP2764475A patent/JPS50122084A/ja active Pending
- 1975-03-10 BE BE154181A patent/BE826490A/xx unknown
- 1975-03-11 FR FR7507504A patent/FR2264454B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE826490A (fr) | 1975-09-10 |
| DE2508210A1 (de) | 1975-09-18 |
| GB1451186A (en) | 1976-09-29 |
| JPS50122084A (OSRAM) | 1975-09-25 |
| FR2264454A1 (OSRAM) | 1975-10-10 |
| NL7403203A (nl) | 1975-09-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |