FR756541A - Electric switch for obtaining several intensities for the same lighting lamp - Google Patents
Electric switch for obtaining several intensities for the same lighting lampInfo
- Publication number
- FR756541A FR756541A FR756541DA FR756541A FR 756541 A FR756541 A FR 756541A FR 756541D A FR756541D A FR 756541DA FR 756541 A FR756541 A FR 756541A
- Authority
- FR
- France
- Prior art keywords
- electric switch
- lighting lamp
- same lighting
- obtaining several
- several intensities
- Prior art date
- 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
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/04—Controlling
- H05B39/06—Switching arrangements, e.g. from series operation to parallel operation
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR756541T | 1932-09-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR756541A true FR756541A (en) | 1933-12-11 |
Family
ID=9165652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR756541D Expired FR756541A (en) | 1932-09-09 | 1932-09-09 | Electric switch for obtaining several intensities for the same lighting lamp |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR756541A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4883942A (en) * | 1988-03-21 | 1989-11-28 | Robatherm Products | Low voltage heating element for portable tools |
-
1932
- 1932-09-09 FR FR756541D patent/FR756541A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4883942A (en) * | 1988-03-21 | 1989-11-28 | Robatherm Products | Low voltage heating element for portable tools |
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