CH583999A5 - - Google Patents
Info
- Publication number
- CH583999A5 CH583999A5 CH645075A CH645075A CH583999A5 CH 583999 A5 CH583999 A5 CH 583999A5 CH 645075 A CH645075 A CH 645075A CH 645075 A CH645075 A CH 645075A CH 583999 A5 CH583999 A5 CH 583999A5
- Authority
- CH
- Switzerland
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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742425721 DE2425721C3 (en) | 1974-05-28 | Arrangement for controlling the lighting conditions in a room |
Publications (1)
Publication Number | Publication Date |
---|---|
CH583999A5 true CH583999A5 (en) | 1977-01-14 |
Family
ID=5916647
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH645075A CH583999A5 (en) | 1974-05-28 | 1975-05-20 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS512270A (en) |
CH (1) | CH583999A5 (en) |
GB (1) | GB1477438A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3271869D1 (en) * | 1981-03-31 | 1986-08-07 | Giuseppe Baccanelli | A device permitting of economizing electric lighting energy |
NO833244L (en) * | 1982-09-23 | 1984-03-26 | Heimann Gmbh | DEVICE FOR AUTOMATIC CONNECTION AND REGULATION OF A Luminaire Lighting |
-
1975
- 1975-05-20 CH CH645075A patent/CH583999A5/xx not_active IP Right Cessation
- 1975-05-23 GB GB2294275A patent/GB1477438A/en not_active Expired
- 1975-05-28 JP JP50063970A patent/JPS512270A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2425721A1 (en) | 1975-12-11 |
DE2425721B2 (en) | 1976-07-08 |
GB1477438A (en) | 1977-06-22 |
JPS512270A (en) | 1976-01-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |