IT1073959B - Apparecchio di illuminazione con sorgente di tensione continua variabile - Google Patents
Apparecchio di illuminazione con sorgente di tensione continua variabileInfo
- Publication number
- IT1073959B IT1073959B IT49640/76A IT4964076A IT1073959B IT 1073959 B IT1073959 B IT 1073959B IT 49640/76 A IT49640/76 A IT 49640/76A IT 4964076 A IT4964076 A IT 4964076A IT 1073959 B IT1073959 B IT 1073959B
- Authority
- IT
- Italy
- Prior art keywords
- voltage source
- lighting equipment
- continuous voltage
- variable continuous
- variable
- Prior art date
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US58127075A | 1975-05-27 | 1975-05-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1073959B true IT1073959B (it) | 1985-04-17 |
Family
ID=24324529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49640/76A IT1073959B (it) | 1975-05-27 | 1976-05-25 | Apparecchio di illuminazione con sorgente di tensione continua variabile |
Country Status (9)
Country | Link |
---|---|
AU (1) | AU504533B2 (it) |
BE (1) | BE841405A (it) |
BR (1) | BR7602759A (it) |
CA (1) | CA1071294A (it) |
DE (1) | DE2622392A1 (it) |
ES (1) | ES448493A1 (it) |
FR (1) | FR2313837A1 (it) |
GB (1) | GB1522533A (it) |
IT (1) | IT1073959B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1177111A (en) * | 1982-02-17 | 1984-10-30 | Carl Schweer | Lamp dimmer |
AT376781B (de) * | 1982-04-16 | 1984-12-27 | Zumtobel Ag | Stromsparende arbeitsplatzleuchte |
US4721890A (en) * | 1982-06-18 | 1988-01-26 | Eg&G, Inc. | Power supply circuit for an alkali vapor spectral lamp |
JPS60120337A (ja) * | 1983-12-05 | 1985-06-27 | Sanpack:Kk | ビデオ等の撮影用光源 |
NO158389C (no) * | 1985-03-04 | 1988-08-31 | Sintef | Anordning for styring av belysningsarmatur. |
FR2604540B1 (fr) * | 1986-09-30 | 1989-07-07 | Develop Prod Electro Et | Dispositif d'alimentation electrique d'une source lumineuse utilisant des lampes a halogene |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1410742A (fr) * | 1964-10-07 | 1965-09-10 | Philips Nv | Dispositif pour commander l'éclairage dans un espace obscur |
US3361931A (en) * | 1965-01-11 | 1968-01-02 | Mc Graw Edison Co | Photocontrol device for gaseous discharge lamps |
US3681654A (en) * | 1971-02-18 | 1972-08-01 | Wagner Electric Corp | Light-regulating power supply circuit for gaseous discharge lamp |
-
1976
- 1976-03-26 GB GB12249/76A patent/GB1522533A/en not_active Expired
- 1976-03-26 CA CA248,934A patent/CA1071294A/en not_active Expired
- 1976-04-22 AU AU13245/76A patent/AU504533B2/en not_active Expired
- 1976-04-30 BR BR7602759A patent/BR7602759A/pt unknown
- 1976-05-03 BE BE166682A patent/BE841405A/xx not_active IP Right Cessation
- 1976-05-03 FR FR7613141A patent/FR2313837A1/fr active Granted
- 1976-05-19 DE DE19762622392 patent/DE2622392A1/de not_active Withdrawn
- 1976-05-25 IT IT49640/76A patent/IT1073959B/it active
- 1976-05-26 ES ES448493A patent/ES448493A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2622392A1 (de) | 1976-12-09 |
FR2313837B1 (it) | 1980-09-05 |
GB1522533A (en) | 1978-08-23 |
AU504533B2 (en) | 1979-10-18 |
FR2313837A1 (fr) | 1976-12-31 |
BR7602759A (pt) | 1977-11-16 |
AU1324576A (en) | 1977-10-27 |
ES448493A1 (es) | 1977-07-01 |
CA1071294A (en) | 1980-02-05 |
BE841405A (fr) | 1976-09-01 |
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