CH607735A5 - - Google Patents
Info
- Publication number
- CH607735A5 CH607735A5 CH830177A CH830177A CH607735A5 CH 607735 A5 CH607735 A5 CH 607735A5 CH 830177 A CH830177 A CH 830177A CH 830177 A CH830177 A CH 830177A CH 607735 A5 CH607735 A5 CH 607735A5
- 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
-
- 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 |
|---|---|---|---|
| FR7703398A FR2379201A2 (fr) | 1977-01-31 | 1977-01-31 | Interrupteur crepusculaire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH607735A5 true CH607735A5 (fi) | 1978-10-13 |
Family
ID=9186392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH830177A CH607735A5 (fi) | 1977-01-31 | 1977-07-05 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4139802A (fi) |
| CH (1) | CH607735A5 (fi) |
| FR (1) | FR2379201A2 (fi) |
| NL (1) | NL7707099A (fi) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253170A (en) * | 1979-01-02 | 1981-02-24 | Meisner Arthur L | Time indicating light fixture |
| FR2503431B1 (fr) * | 1981-04-02 | 1985-10-25 | Perez Joaquin | Tableau porteur d'un " plan de ville " a signalisations lumineuses commandees par des photoresistances |
| JPS6090455U (ja) * | 1983-11-28 | 1985-06-20 | シャープ株式会社 | 複写機 |
| US4937499A (en) * | 1986-09-22 | 1990-06-26 | Hunte Herbert H | Photosensitive illuminating display |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3648107A (en) * | 1969-02-18 | 1972-03-07 | Rydborn S A O | Circuitry for connecting and disconnecting a load |
| US3654514A (en) * | 1970-10-12 | 1972-04-04 | Westinghouse Electric Corp | Solid-state photocontrol apparatus for lighting loads |
| JPS5091786A (fi) * | 1973-12-14 | 1975-07-22 | ||
| FR2260861A1 (fr) * | 1974-02-08 | 1975-09-05 | Vedette Horlogerie | Interrupteur crepusculaire |
-
1977
- 1977-01-31 FR FR7703398A patent/FR2379201A2/fr active Granted
- 1977-06-21 US US05/808,693 patent/US4139802A/en not_active Expired - Lifetime
- 1977-06-27 NL NL7707099A patent/NL7707099A/xx not_active Application Discontinuation
- 1977-07-05 CH CH830177A patent/CH607735A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7707099A (nl) | 1978-08-02 |
| US4139802A (en) | 1979-02-13 |
| FR2379201B2 (fi) | 1981-01-23 |
| FR2379201A2 (fr) | 1978-08-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |