ZA78744B - Improvements in or relating to circuits for operating discharge lamps - Google Patents
Improvements in or relating to circuits for operating discharge lampsInfo
- Publication number
- ZA78744B ZA78744B ZA00780744A ZA78744A ZA78744B ZA 78744 B ZA78744 B ZA 78744B ZA 00780744 A ZA00780744 A ZA 00780744A ZA 78744 A ZA78744 A ZA 78744A ZA 78744 B ZA78744 B ZA 78744B
- Authority
- ZA
- South Africa
- Prior art keywords
- relating
- circuits
- discharge lamps
- operating discharge
- operating
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S315/00—Electric lamp and discharge devices: systems
- Y10S315/07—Starting and control circuits for gas discharge lamp using transistors
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5312/77A GB1561621A (en) | 1977-02-09 | 1977-02-09 | Circuits for operating discharge lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA78744B true ZA78744B (en) | 1979-01-31 |
Family
ID=9793745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00780744A ZA78744B (en) | 1977-02-09 | 1978-02-07 | Improvements in or relating to circuits for operating discharge lamps |
Country Status (11)
Country | Link |
---|---|
US (1) | US4179641A (de) |
JP (1) | JPS5399684A (de) |
AR (1) | AR231044A1 (de) |
AU (1) | AU512232B2 (de) |
DE (1) | DE2804834A1 (de) |
DK (1) | DK144400C (de) |
FR (1) | FR2380684A1 (de) |
GB (1) | GB1561621A (de) |
NL (1) | NL7801386A (de) |
NO (1) | NO147855C (de) |
ZA (1) | ZA78744B (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1167973A (en) * | 1980-10-02 | 1984-05-22 | Joseph M. Proud | Low energy starting aid for high intensity discharge lamps |
US4896077A (en) * | 1987-06-16 | 1990-01-23 | Cooper Industries, Inc. | Ignitor disabler |
CA1286353C (en) * | 1988-01-22 | 1991-07-16 | Peter G. Dodd | Ignitor disabler |
CA1326881C (en) * | 1989-05-26 | 1994-02-08 | Peter G. Dodd | Ignitor disabler |
US5019751A (en) * | 1989-09-15 | 1991-05-28 | Hubbell Incorporated | End-of-life lamp starter disabling circuit |
MX9202472A (es) * | 1991-05-31 | 1993-12-01 | Kelmas Co Sa | Arrancador electronico para tubos fluorescentes. |
US5319285A (en) * | 1992-07-23 | 1994-06-07 | Gte Products Corporation | Starting circuit for a high intensity discharge lamp |
US6323603B1 (en) | 1998-02-18 | 2001-11-27 | Nicollet Technologies Corporation | Resonant flyback ignitor circuit for a gas discharge lamp control circuit |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3886405A (en) * | 1972-02-07 | 1975-05-27 | Mamiya Camera | Device for operating discharge lamps |
JPS50102184A (de) * | 1974-01-21 | 1975-08-13 | ||
GB1511237A (en) * | 1974-07-02 | 1978-05-17 | Gen Electric | Circuits for operating electric discharge lamps |
US3944876A (en) * | 1974-09-30 | 1976-03-16 | Chadwick-Helmuth Company, Inc. | Rapid starting of gas discharge lamps |
-
1977
- 1977-02-09 GB GB5312/77A patent/GB1561621A/en not_active Expired
-
1978
- 1978-02-04 DE DE19782804834 patent/DE2804834A1/de not_active Withdrawn
- 1978-02-07 NO NO780423A patent/NO147855C/no unknown
- 1978-02-07 NL NL7801386A patent/NL7801386A/xx not_active Application Discontinuation
- 1978-02-07 ZA ZA00780744A patent/ZA78744B/xx unknown
- 1978-02-07 AR AR271019A patent/AR231044A1/es active
- 1978-02-07 JP JP1288378A patent/JPS5399684A/ja active Pending
- 1978-02-08 FR FR7803520A patent/FR2380684A1/fr active Granted
- 1978-02-08 AU AU33106/78A patent/AU512232B2/en not_active Expired
- 1978-02-09 DK DK59278A patent/DK144400C/da active
- 1978-02-09 US US05/876,229 patent/US4179641A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU512232B2 (en) | 1980-10-02 |
DK144400C (da) | 1982-08-02 |
NO147855B (no) | 1983-03-14 |
DK144400B (da) | 1982-03-01 |
FR2380684B1 (de) | 1983-11-18 |
NO147855C (no) | 1983-06-22 |
AU3310678A (en) | 1979-08-16 |
FR2380684A1 (fr) | 1978-09-08 |
DK59278A (da) | 1978-08-10 |
US4179641A (en) | 1979-12-18 |
GB1561621A (en) | 1980-02-27 |
NO780423L (no) | 1978-08-10 |
NL7801386A (nl) | 1978-08-11 |
DE2804834A1 (de) | 1978-08-10 |
JPS5399684A (en) | 1978-08-31 |
AR231044A1 (es) | 1984-08-31 |
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