ZA706920B - Improvements in or relating to starting circuits for electric discharge lamps - Google Patents
Improvements in or relating to starting circuits for electric discharge lampsInfo
- Publication number
- ZA706920B ZA706920B ZA706920A ZA706920A ZA706920B ZA 706920 B ZA706920 B ZA 706920B ZA 706920 A ZA706920 A ZA 706920A ZA 706920 A ZA706920 A ZA 706920A ZA 706920 B ZA706920 B ZA 706920B
- Authority
- ZA
- South Africa
- Prior art keywords
- relating
- electric discharge
- discharge lamps
- starting circuits
- circuits
- Prior art date
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
- H05B41/02—Details
- H05B41/04—Starting switches
- H05B41/042—Starting switches using semiconductor devices
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4991669 | 1969-10-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA706920B true ZA706920B (en) | 1971-08-25 |
Family
ID=10453983
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA706920A ZA706920B (en) | 1969-10-10 | 1970-10-12 | Improvements in or relating to starting circuits for electric discharge lamps |
ZA706921A ZA706921B (en) | 1969-10-10 | 1970-10-12 | Improvements in or relating to starting circuits for electric discharge lamps |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA706921A ZA706921B (en) | 1969-10-10 | 1970-10-12 | Improvements in or relating to starting circuits for electric discharge lamps |
Country Status (6)
Country | Link |
---|---|
DE (1) | DE2049606A1 (xx) |
FR (1) | FR2068755B1 (xx) |
GB (1) | GB1289118A (xx) |
NL (1) | NL7014876A (xx) |
NO (1) | NO129118B (xx) |
ZA (2) | ZA706920B (xx) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3127876A1 (de) * | 1981-07-15 | 1983-02-03 | Harald 7012 Fellbach Lück | Verfahren und einrichtung zum starten von leuchtstofflampen |
GB2173055A (en) * | 1985-03-29 | 1986-10-01 | Philips Electronic Associated | Circuit arrangement for starting discharge lamps |
US4866347A (en) * | 1987-09-28 | 1989-09-12 | Hubbell Incorporated | Compact fluorescent lamp circuit |
GB2308930B (en) * | 1995-08-29 | 2000-03-22 | Hubbell Inc | Lamp starting circuit |
-
1969
- 1969-10-10 GB GB4991669A patent/GB1289118A/en not_active Expired
-
1970
- 1970-10-09 NL NL7014876A patent/NL7014876A/xx active Search and Examination
- 1970-10-09 FR FR707036675A patent/FR2068755B1/fr not_active Expired
- 1970-10-09 NO NO03814/70A patent/NO129118B/no unknown
- 1970-10-09 DE DE19702049606 patent/DE2049606A1/de active Pending
- 1970-10-12 ZA ZA706920A patent/ZA706920B/xx unknown
- 1970-10-12 ZA ZA706921A patent/ZA706921B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1289118A (xx) | 1972-09-13 |
FR2068755A1 (xx) | 1971-09-03 |
FR2068755B1 (xx) | 1973-01-12 |
ZA706921B (en) | 1971-08-25 |
NL7014876A (xx) | 1971-04-14 |
NO129118B (xx) | 1974-02-25 |
DE2049606A1 (de) | 1971-04-29 |
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