FR826368A - Device for the simultaneous activation of heat radiators, in particular incandescent lamps and electric discharge tubes - Google Patents
Device for the simultaneous activation of heat radiators, in particular incandescent lamps and electric discharge tubesInfo
- Publication number
- FR826368A FR826368A FR826368DA FR826368A FR 826368 A FR826368 A FR 826368A FR 826368D A FR826368D A FR 826368DA FR 826368 A FR826368 A FR 826368A
- Authority
- FR
- France
- Prior art keywords
- electric discharge
- incandescent lamps
- discharge tubes
- simultaneous activation
- heat radiators
- 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
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/96—Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight
-
- 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
- H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
- H05B41/18—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having a starting switch
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201114X | 1936-09-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR826368A true FR826368A (en) | 1938-03-30 |
Family
ID=5764585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR826368D Expired FR826368A (en) | 1936-09-07 | 1937-09-04 | Device for the simultaneous activation of heat radiators, in particular incandescent lamps and electric discharge tubes |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH201114A (en) |
FR (1) | FR826368A (en) |
NL (1) | NL49761C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6632963B1 (en) | 1998-03-31 | 2003-10-14 | Galderma Research & Development S.N.C. | Bicyclic aromatic compounds and pharmaceutical/cosmetic compositions comprised thereof |
-
0
- NL NL49761D patent/NL49761C/xx active
-
1937
- 1937-08-30 CH CH201114D patent/CH201114A/en not_active IP Right Cessation
- 1937-09-04 FR FR826368D patent/FR826368A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6632963B1 (en) | 1998-03-31 | 2003-10-14 | Galderma Research & Development S.N.C. | Bicyclic aromatic compounds and pharmaceutical/cosmetic compositions comprised thereof |
US6924388B2 (en) | 1998-03-31 | 2005-08-02 | Galderma Research & Development, S.N.C. | Bicyclic aromatic compounds and pharmaceutical/cosmetic compositions comprised thereof |
Also Published As
Publication number | Publication date |
---|---|
CH201114A (en) | 1938-11-15 |
NL49761C (en) |
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