GB2120870B - Electronic ballast for gas discharge lamps and fluorescent lamps - Google Patents
Electronic ballast for gas discharge lamps and fluorescent lampsInfo
- Publication number
- GB2120870B GB2120870B GB08213773A GB8213773A GB2120870B GB 2120870 B GB2120870 B GB 2120870B GB 08213773 A GB08213773 A GB 08213773A GB 8213773 A GB8213773 A GB 8213773A GB 2120870 B GB2120870 B GB 2120870B
- Authority
- GB
- United Kingdom
- Prior art keywords
- lamps
- gas discharge
- electronic ballast
- fluorescent
- fluorescent lamps
- 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
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices
- H05B41/2821—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices by means of a single-switch converter or a parallel push-pull converter in the final stage
- H05B41/2824—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices by means of a single-switch converter or a parallel push-pull converter in the final stage using control circuits for the switching element
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08213773A GB2120870B (en) | 1982-05-12 | 1982-05-12 | Electronic ballast for gas discharge lamps and fluorescent lamps |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08213773A GB2120870B (en) | 1982-05-12 | 1982-05-12 | Electronic ballast for gas discharge lamps and fluorescent lamps |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2120870A GB2120870A (en) | 1983-12-07 |
GB2120870B true GB2120870B (en) | 1986-03-12 |
Family
ID=10530318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08213773A Expired GB2120870B (en) | 1982-05-12 | 1982-05-12 | Electronic ballast for gas discharge lamps and fluorescent lamps |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2120870B (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4663570A (en) * | 1984-08-17 | 1987-05-05 | Lutron Electronics Co., Inc. | High frequency gas discharge lamp dimming ballast |
ZA862614B (en) * | 1986-04-08 | 1986-12-30 | David John Cockram | Controller for gas discharge lamps |
WO1989008971A1 (en) * | 1988-03-18 | 1989-09-21 | Stylux Gesellschaft Für Lichtelektronik M.B.H. | Circuit arrangement for monitoring the duty cycle of a transistor |
US5065072A (en) * | 1989-03-31 | 1991-11-12 | Valeo Vision | Power supply circuit for an arc lamp, in particular for a motor vehicle headlight |
FR2645392B1 (en) * | 1989-03-31 | 1993-12-03 | Valeo Vision | SUPPLY CIRCUIT FOR AN ARC LAMP, PARTICULARLY FOR A MOTOR VEHICLE PROJECTOR |
FR2655230B2 (en) * | 1989-11-24 | 1994-07-29 | Valeo Vision | SUPPLY CIRCUIT FOR AN ARC LAMP, PARTICULARLY FOR A MOTOR VEHICLE PROJECTOR. |
US5103138A (en) * | 1990-04-26 | 1992-04-07 | Orenstein Edward D | Switching excitation supply for gas discharge tubes having means for eliminating the bubble effect |
US5173643A (en) * | 1990-06-25 | 1992-12-22 | Lutron Electronics Co., Inc. | Circuit for dimming compact fluorescent lamps |
US5101142A (en) * | 1990-09-05 | 1992-03-31 | Applied Lumens, Ltd. | Solid-state ballast for fluorescent lamp with multiple dimming |
US5231333A (en) * | 1990-11-14 | 1993-07-27 | Neon Dynamics, Inc. | Switching excitation supply for gas discharge tubes having means for eliminating the bubble effect |
US5453668A (en) * | 1994-03-23 | 1995-09-26 | Chow; Shing C. | Method and circuitry for producing dynamic illumination of discharge lamp |
TW381409B (en) * | 1996-03-14 | 2000-02-01 | Mitsubishi Electric Corp | Discharging lamp lighting device |
JP2002154074A (en) * | 2000-11-16 | 2002-05-28 | Makita Corp | Lighting system for power tool |
DE102005022559A1 (en) * | 2005-05-17 | 2006-11-30 | Johannes Gies | Circuit arrangement for electronic ballast, has power switch, which is locked and current flow to fluorescent lamp is interrupted, due to reduction of effective voltage, so that power value at lamp is held constant |
RU2768380C1 (en) * | 2021-08-17 | 2022-03-24 | Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" | Frequency multiplier current inverter |
-
1982
- 1982-05-12 GB GB08213773A patent/GB2120870B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2120870A (en) | 1983-12-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2112230B (en) | Electronic ballast for gaseous discharge lamps | |
GB2163309B (en) | High frequency gas discharge lamp dimming ballast | |
GB2124042B (en) | Reduction of harmonics in gas discharge lamp ballasts | |
IL66736A0 (en) | Electronic ballast for discharge lamp | |
GB2132011B (en) | Gas discharge lamp | |
GB2163014B (en) | Ballast circuits for fluorescent lamps | |
NO164810C (en) | HOWEFREQUENCY ELECTRONIC BALLAST FOR GAS DISCHARGE LAMPS. | |
GB2120870B (en) | Electronic ballast for gas discharge lamps and fluorescent lamps | |
IL93265A0 (en) | Electronic ballast for gas discharge lamp | |
ZA821841B (en) | Discharge lamp ballast circuit | |
HUT34656A (en) | Electronic ballast and firing circuit with gas discharge tubes | |
DE3367147D1 (en) | Electronic ballast system for gas discharge tubes | |
GB2246034B (en) | Circuit and method for improved dimming of gas discharge lamps | |
GB2013427B (en) | Electronic ballast apparatus for gaseous discharge lamps | |
AU7788691A (en) | Electronic lamp ballast for gas discharge lamp | |
GB8312139D0 (en) | Gas discharge lamp | |
GB2298749B (en) | Electronic ballasts for gas discharge lamps | |
GB2236921B (en) | Electronic ballast circuit for gas discharge lamp | |
GB8729135D0 (en) | Electronic ballast circuit for gas discharge lamp | |
DE3568666D1 (en) | Ballast unit for gas discharge lamps | |
GB8908543D0 (en) | Ballast circuit for gas discharge lamps | |
JPS57148897A (en) | Electronic ballast for firing fluorescent lamp | |
DE3380868D1 (en) | Electronic ballast system for gas discharge tubes | |
ZA833821B (en) | Reduction of harmonics in gas discharge lamp ballasts | |
PH19558A (en) | Electronic fluorescent lamp ballast |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |