FR93389E - Fluorescent tube adjustment. - Google Patents
Fluorescent tube adjustment.Info
- Publication number
- FR93389E FR93389E FR126526A FR126526A FR93389E FR 93389 E FR93389 E FR 93389E FR 126526 A FR126526 A FR 126526A FR 126526 A FR126526 A FR 126526A FR 93389 E FR93389 E FR 93389E
- Authority
- FR
- France
- Prior art keywords
- fluorescent tube
- tube adjustment
- adjustment
- fluorescent
- tube
- 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/46—Circuits providing for substitution in case of failure of the lamp
-
- 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
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR126526A FR93389E (en) | 1967-06-09 | 1967-10-31 | Fluorescent tube adjustment. |
DE19681764035 DE1764035A1 (en) | 1967-06-09 | 1968-03-25 | Control device for fluorescent lamps |
US718875A US3526806A (en) | 1967-06-09 | 1968-04-04 | Gas discharge lamp circuit with resistive ballast and inductive ballast in parallel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR109888A FR1535545A (en) | 1967-06-09 | 1967-06-09 | Fluorescent tube adjustment |
FR126526A FR93389E (en) | 1967-06-09 | 1967-10-31 | Fluorescent tube adjustment. |
Publications (1)
Publication Number | Publication Date |
---|---|
FR93389E true FR93389E (en) | 1969-03-21 |
Family
ID=26177206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR126526A Expired FR93389E (en) | 1967-06-09 | 1967-10-31 | Fluorescent tube adjustment. |
Country Status (3)
Country | Link |
---|---|
US (1) | US3526806A (en) |
DE (1) | DE1764035A1 (en) |
FR (1) | FR93389E (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2173183A (en) * | 1982-12-03 | 1984-06-07 | General Electric Company | Plug in starting aid |
DE4001750A1 (en) * | 1989-10-09 | 1991-04-11 | Albert Henning | Fluorescent lamp operating circuit - supplies lamp with normal current and reduced current in alternation for energy saving operation |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2296062A (en) * | 1940-03-19 | 1942-09-15 | Gen Electric | Electric discharge apparatus |
US2456870A (en) * | 1943-01-01 | 1948-12-21 | Gen Electric | Circuit for electric discharge device |
GB657072A (en) * | 1948-10-26 | 1951-09-12 | Gen Electric Co Ltd | Improvements in or relating to electric circuit arrangements for operating electric discharge lamps on a.c. |
US2650326A (en) * | 1948-10-26 | 1953-08-25 | Gen Electric | Dimming circuit and apparatus for fluorescent lamps |
US2774917A (en) * | 1951-02-23 | 1956-12-18 | Thorn Electrical Ind Ltd | Electric lamp circuits |
US3383554A (en) * | 1966-08-10 | 1968-05-14 | Westinghouse Electric Corp | Circuits for energizing parallel connected gaseous discharge devices and maintaining the discharge therein |
-
1967
- 1967-10-31 FR FR126526A patent/FR93389E/en not_active Expired
-
1968
- 1968-03-25 DE DE19681764035 patent/DE1764035A1/en active Pending
- 1968-04-04 US US718875A patent/US3526806A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3526806A (en) | 1970-09-01 |
DE1764035A1 (en) | 1971-04-15 |
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