FR2408273B1 - - Google Patents
Info
- Publication number
- FR2408273B1 FR2408273B1 FR7822385A FR7822385A FR2408273B1 FR 2408273 B1 FR2408273 B1 FR 2408273B1 FR 7822385 A FR7822385 A FR 7822385A FR 7822385 A FR7822385 A FR 7822385A FR 2408273 B1 FR2408273 B1 FR 2408273B1
- 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
- H05B41/3922—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations and measurement of 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
- 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
- H05B41/40—Controlling the intensity of light discontinuously
- H05B41/42—Controlling the intensity of light discontinuously in two steps only
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US84942777A | 1977-11-07 | 1977-11-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2408273A1 FR2408273A1 (fr) | 1979-06-01 |
| FR2408273B1 true FR2408273B1 (enExample) | 1984-09-14 |
Family
ID=25305752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7822385A Granted FR2408273A1 (fr) | 1977-11-07 | 1978-07-28 | Installations a tubes fluorescents, notamment installation d'eclairage |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5466572A (enExample) |
| AU (1) | AU527509B2 (enExample) |
| CA (1) | CA1128604A (enExample) |
| DE (1) | DE2848018A1 (enExample) |
| FR (1) | FR2408273A1 (enExample) |
| GB (1) | GB2007880B (enExample) |
| MX (1) | MX147049A (enExample) |
| NL (1) | NL7807659A (enExample) |
| SE (1) | SE7807725L (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1128605A (en) * | 1978-09-26 | 1982-07-27 | Controlled Environment Systems, Inc. | Energy conserving automatic light output system |
| EP0017615A1 (de) * | 1979-03-14 | 1980-10-15 | Peter Jucker | Vorrichtung zur Helligkeitssteuerung von Fluoreszenzlampen und ihre Verwendung |
| GB2145587B (en) * | 1983-08-25 | 1987-06-10 | Lutron Electronics Co | Gas discharging lamp dimming system |
| DE3524681A1 (de) * | 1985-07-11 | 1987-01-22 | Trilux Lenze Gmbh & Co Kg | Dimmerschaltung fuer ein elektronisches leuchtstofflampen-vorschaltgeraet |
| DE3633566A1 (de) * | 1986-10-02 | 1988-04-21 | Guenter Steinbach | Schaltungsanordnung fuer geregelte hochenergieimpulserzeugung fuer gasentladungsblitzlampen |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1366032A (fr) * | 1963-05-03 | 1964-07-10 | Thomson Houston Comp Francaise | Dispositif pour le fonctionnement des appareils à décharge électrique |
| JPS4219891Y1 (enExample) * | 1964-12-29 | 1967-11-17 | ||
| US3422310A (en) * | 1965-06-14 | 1969-01-14 | Don F Widmayer | Apparatus for controlling current to load independent of load characteristics |
| FR1483350A (fr) * | 1966-06-14 | 1967-06-02 | Dispositif de réglage d'un courant électrique notamment celui fourni à une lampe à décharge en atmosphère gazeuse | |
| CH481550A (de) * | 1967-12-21 | 1969-11-15 | Frako Kondensatoren Und App Ba | Schaltungsanordnung mit einer Gasentladungslampe |
| US3603841A (en) * | 1968-03-01 | 1971-09-07 | Matsushita Electronics Corp | Fluorescent lamp device with luminosity control |
| US3909666A (en) * | 1973-12-26 | 1975-09-30 | Stanley N Tenen | Ballast circuit for gaseous discharge lamps |
| DE2646621A1 (de) * | 1976-10-15 | 1978-04-20 | Penguin Marketing Ltd | Vorschaltgeraet zum betrieb von gasentladungslampen |
-
1978
- 1978-02-17 CA CA297,162A patent/CA1128604A/en not_active Expired
- 1978-06-19 AU AU37238/78A patent/AU527509B2/en not_active Expired
- 1978-06-28 GB GB7828110A patent/GB2007880B/en not_active Expired
- 1978-07-11 SE SE7807725A patent/SE7807725L/xx unknown
- 1978-07-18 NL NL7807659A patent/NL7807659A/xx not_active Application Discontinuation
- 1978-07-28 FR FR7822385A patent/FR2408273A1/fr active Granted
- 1978-08-11 MX MX174511A patent/MX147049A/es unknown
- 1978-09-11 JP JP11080778A patent/JPS5466572A/ja active Pending
- 1978-11-06 DE DE19782848018 patent/DE2848018A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| AU527509B2 (en) | 1983-03-10 |
| FR2408273A1 (fr) | 1979-06-01 |
| NL7807659A (nl) | 1979-05-09 |
| GB2007880B (en) | 1982-09-08 |
| GB2007880A (en) | 1979-05-23 |
| AU3723878A (en) | 1980-01-03 |
| DE2848018A1 (de) | 1979-05-10 |
| SE7807725L (sv) | 1979-05-08 |
| JPS5466572A (en) | 1979-05-29 |
| CA1128604A (en) | 1982-07-27 |
| MX147049A (es) | 1982-09-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |