DE8901509U1 - - Google Patents
Info
- Publication number
- DE8901509U1 DE8901509U1 DE8901509U DE8901509U DE8901509U1 DE 8901509 U1 DE8901509 U1 DE 8901509U1 DE 8901509 U DE8901509 U DE 8901509U DE 8901509 U DE8901509 U DE 8901509U DE 8901509 U1 DE8901509 U1 DE 8901509U1
- Authority
- DE
- Germany
- 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
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- 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
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/04—Controlling
- H05B39/041—Controlling the light-intensity of the source
- H05B39/042—Controlling the light-intensity of the source by measuring the incident light
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L2/00—Systems of electric lighting devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
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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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8901509U DE8901509U1 (en) | 1989-02-10 | 1989-02-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8901509U DE8901509U1 (en) | 1989-02-10 | 1989-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE8901509U1 true DE8901509U1 (en) | 1989-03-23 |
Family
ID=6835867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8901509U Expired DE8901509U1 (en) | 1989-02-10 | 1989-02-10 |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE8901509U1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9111528U1 (en) * | 1991-09-17 | 1991-11-14 | Arnold, Hans-Joachim, Dipl.-Ing., 7024 Filderstadt, De | |
| DE10128109A1 (en) * | 2001-06-11 | 2002-12-12 | Lj Elektronik Gmbh | Light or torch has supply part provided with regulating unit with pulse-pause voltage clocking that sets light intensity depending on ambient light |
-
1989
- 1989-02-10 DE DE8901509U patent/DE8901509U1/de not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9111528U1 (en) * | 1991-09-17 | 1991-11-14 | Arnold, Hans-Joachim, Dipl.-Ing., 7024 Filderstadt, De | |
| DE10128109A1 (en) * | 2001-06-11 | 2002-12-12 | Lj Elektronik Gmbh | Light or torch has supply part provided with regulating unit with pulse-pause voltage clocking that sets light intensity depending on ambient light |