GB8822195D0 - Improvements in/related to electronic ballast circuits - Google Patents

Improvements in/related to electronic ballast circuits

Info

Publication number
GB8822195D0
GB8822195D0 GB888822195A GB8822195A GB8822195D0 GB 8822195 D0 GB8822195 D0 GB 8822195D0 GB 888822195 A GB888822195 A GB 888822195A GB 8822195 A GB8822195 A GB 8822195A GB 8822195 D0 GB8822195 D0 GB 8822195D0
Authority
GB
United Kingdom
Prior art keywords
electronic ballast
ballast circuits
circuits
electronic
ballast
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.)
Pending
Application number
GB888822195A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
W J PARRY NOTTM Ltd
Original Assignee
W J PARRY NOTTM Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by W J PARRY NOTTM Ltd filed Critical W J PARRY NOTTM Ltd
Priority to GB888822195A priority Critical patent/GB8822195D0/en
Publication of GB8822195D0 publication Critical patent/GB8822195D0/en
Priority to GB8921325A priority patent/GB2224170A/en
Pending legal-status Critical Current

Links

GB888822195A 1988-09-21 1988-09-21 Improvements in/related to electronic ballast circuits Pending GB8822195D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB888822195A GB8822195D0 (en) 1988-09-21 1988-09-21 Improvements in/related to electronic ballast circuits
GB8921325A GB2224170A (en) 1988-09-21 1989-09-21 Electronic ballast circuit for discharge lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888822195A GB8822195D0 (en) 1988-09-21 1988-09-21 Improvements in/related to electronic ballast circuits

Publications (1)

Publication Number Publication Date
GB8822195D0 true GB8822195D0 (en) 1988-10-26

Family

ID=10644010

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888822195A Pending GB8822195D0 (en) 1988-09-21 1988-09-21 Improvements in/related to electronic ballast circuits
GB8921325A Withdrawn GB2224170A (en) 1988-09-21 1989-09-21 Electronic ballast circuit for discharge lamps

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8921325A Withdrawn GB2224170A (en) 1988-09-21 1989-09-21 Electronic ballast circuit for discharge lamps

Country Status (1)

Country Link
GB (2) GB8822195D0 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5068570A (en) * 1989-01-26 1991-11-26 Koito Manufacturing Co., Ltd. Lamp lighting circuit with an overload protection capability
JP2587718B2 (en) * 1990-10-01 1997-03-05 株式会社小糸製作所 Lighting circuit for vehicle discharge lamps
JPH0521182A (en) * 1990-12-30 1993-01-29 Toshiba Lighting & Technol Corp Discharge lamp lighting device and luminaire
JP3026681B2 (en) * 1992-06-30 2000-03-27 三洋電機株式会社 Fluorescent light control device
GB2269279A (en) * 1992-08-01 1994-02-02 Coolite Ltd Fluorescent Tube Starting and Operating Circuit
AU3575395A (en) * 1995-10-03 1997-04-28 Sandor Pal Improvements in or relating to an electronic ballast for fluorescent lamps
US5796215A (en) * 1996-01-29 1998-08-18 International Rectifier Corporation Soft start circuit for self-oscillating drivers
US6008590A (en) * 1996-05-03 1999-12-28 Philips Electronics North America Corporation Integrated circuit inverter control having a multi-function pin
SG68587A1 (en) * 1996-07-27 1999-11-16 Singapore Productivity And Sta An electronic ballast circuit
ATE220849T1 (en) * 1997-12-23 2002-08-15 Tridonicatco Gmbh & Co Kg ELECTRONIC BALLAST
US8659233B2 (en) * 2009-10-23 2014-02-25 General Electric Company Fluorescent lamp ballast with electronic preheat circuit
SI3599794T1 (en) * 2018-07-26 2021-02-26 Silicon Hill B.V. Led lamp arrangement

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE418775B (en) * 1980-07-18 1981-06-22 Aos Metall Mek Verk SET AND DEVICE TO ELIMINATE OBJECTS CAUSING FLASHES IN CONSIDERATION OF LIGHTING X-ray films
DE3266600D1 (en) * 1981-02-21 1985-11-07 Emi Plc Thorn Lamp driver circuits
US4464606A (en) * 1981-03-25 1984-08-07 Armstrong World Industries, Inc. Pulse width modulated dimming arrangement for fluorescent lamps
NL8102364A (en) * 1981-05-14 1982-12-01 Philips Nv ELECTRICAL DEVICE FOR IGNITING AND POWERING ONE OF TWO PREHEATABLE ELECTRODES GAS AND / OR VAPOR DISCHARGE LAMP.
GB2117192B (en) * 1982-02-26 1986-01-02 Transtar Limited Lamp control circuit
US4686428A (en) * 1985-08-28 1987-08-11 Innovative Controls, Incorporated High intensity discharge lamp self-adjusting ballast system with current limiters and a current feedback loop
US4717863A (en) * 1986-02-18 1988-01-05 Zeiler Kenneth T Frequency modulation ballast circuit
US4751398A (en) * 1986-03-18 1988-06-14 The Bodine Company Lighting system for normal and emergency operation of high intensity discharge lamps
US4704563A (en) * 1986-05-09 1987-11-03 General Electric Company Fluorescent lamp operating circuit

Also Published As

Publication number Publication date
GB8921325D0 (en) 1989-11-08
GB2224170A (en) 1990-04-25

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