GB1202824A - Emergency lighting system for gaseous-discharge lamps - Google Patents

Emergency lighting system for gaseous-discharge lamps

Info

Publication number
GB1202824A
GB1202824A GB04119/69A GB1411969A GB1202824A GB 1202824 A GB1202824 A GB 1202824A GB 04119/69 A GB04119/69 A GB 04119/69A GB 1411969 A GB1411969 A GB 1411969A GB 1202824 A GB1202824 A GB 1202824A
Authority
GB
United Kingdom
Prior art keywords
lighting system
gaseous
emergency lighting
lamps
discharge lamp
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
Application number
GB04119/69A
Other languages
English (en)
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.)
Esquire Inc
Original Assignee
Esquire Inc
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 Esquire Inc filed Critical Esquire Inc
Publication of GB1202824A publication Critical patent/GB1202824A/en
Expired legal-status Critical Current

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

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Discharge Lamp (AREA)
GB04119/69A 1968-05-14 1969-03-18 Emergency lighting system for gaseous-discharge lamps Expired GB1202824A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72897068A 1968-05-14 1968-05-14

Publications (1)

Publication Number Publication Date
GB1202824A true GB1202824A (en) 1970-08-19

Family

ID=24929020

Family Applications (1)

Application Number Title Priority Date Filing Date
GB04119/69A Expired GB1202824A (en) 1968-05-14 1969-03-18 Emergency lighting system for gaseous-discharge lamps

Country Status (5)

Country Link
US (1) US3517254A (xx)
BE (1) BE731738A (xx)
ES (3) ES365208A1 (xx)
FR (1) FR2008443A1 (xx)
GB (1) GB1202824A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2215535A (en) * 1988-03-11 1989-09-20 Philips Electronic Associated Discharge lamp lighting system

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3599036A (en) * 1969-07-01 1971-08-10 Holophane Co Inc Emergency lighting circuit
US3693045A (en) * 1970-02-13 1972-09-19 Guth Co Edwin F Illumination
US3659146A (en) * 1970-02-20 1972-04-25 Emerson Electric Co Auxiliary lighting system for use particularly with high pressure metal vapor lamps
US3701925A (en) * 1970-02-28 1972-10-31 Blackwell Electronics Ind Co L Instantaneous starting system for discharge lamp
US3699382A (en) * 1971-02-04 1972-10-17 Sylvania Electric Prod Auxiliary lighting system for arc lamp
US3737719A (en) * 1971-08-02 1973-06-05 Gen Electric Lighting system with auxiliary lamp control circuit and protective means therefor
US3737720A (en) * 1971-08-02 1973-06-05 Gen Electric Lighting system with auxiliary lamp control circuit
US3727104A (en) * 1971-12-08 1973-04-10 Gen Electric Protective circuit for lighting system
US3798470A (en) * 1972-12-15 1974-03-19 Gte Automatic Electric Lab Inc Selective d.c. isolation circuit
US3890534A (en) * 1973-06-19 1975-06-17 Current Ind Inc Lighting control system
US4005331A (en) * 1973-06-19 1977-01-25 Current Industries, Inc. High intensity discharge lamp with auxiliary light
US3927348A (en) * 1973-07-17 1975-12-16 Ram Meter Inc Control circuits for auxiliary light source for use with high intensity discharge lamps
US3976910A (en) * 1975-03-17 1976-08-24 General Electric Company Operating circuit for discharge lamps with voltage starting circuit and auxiliary lighting means therefor
US4099095A (en) * 1976-02-25 1978-07-04 General Electric Company Operating circuit for gaseous discharge and incandescent lamps
US4236100A (en) * 1978-11-17 1980-11-25 Esquire, Inc. Lighting circuits
CA1112712A (en) * 1976-04-07 1981-11-17 Eric L.H. Nuver Lighting circuits
US4134043A (en) * 1976-04-07 1979-01-09 Esquire, Inc. Lighting circuits
US4151445A (en) * 1978-02-15 1979-04-24 General Electric Company Instant light lamp control circuit
US4232252A (en) * 1979-04-13 1980-11-04 General Electric Company Lighting network including a gas discharge lamp and standby lamp
US4278916A (en) * 1979-12-03 1981-07-14 Gte Laboratories Incorporated Instant-on light source
DE3110418A1 (de) * 1981-03-18 1982-09-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt "schaltungsanordung zum schutz von einem stromwandler"
US4392081A (en) * 1981-07-31 1983-07-05 General Electric Company Lighting unit
US4525650A (en) * 1982-02-11 1985-06-25 North American Philips Lighting Corporation Starting and operating method and apparatus for discharge lamps
US4399392A (en) * 1982-02-26 1983-08-16 Gte Laboratories Incorporated Arc lamp power supply
US5300863A (en) * 1992-08-14 1994-04-05 Appleton Electric Company Auxiliary lighting circuit for a gaseous discharge lamp
US6269270B1 (en) 1998-10-26 2001-07-31 Birinder Bob Boveja Apparatus and method for adjunct (add-on) therapy of Dementia and Alzheimer's disease utilizing an implantable lead and external stimulator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1909072A (en) * 1931-05-07 1933-05-16 Delco Remy Corp Automobile lighting system
US1970519A (en) * 1932-07-02 1934-08-14 Gen Electric Series lighting system
US2043023A (en) * 1935-02-23 1936-06-02 Gen Electric Circuits and apparatus for operating electric discharge lamps
US2431151A (en) * 1940-08-28 1947-11-18 Hartford Nat Bank & Trust Co Amplifier circuits
US2871409A (en) * 1954-12-24 1959-01-27 Westinghouse Electric Corp Starter for a gaseous discharge device
US3204120A (en) * 1962-04-05 1965-08-31 Naken William Switching circuit
US3412392A (en) * 1965-04-07 1968-11-19 Gen Motors Corp Potential level indicating circuit
US3343085A (en) * 1966-09-20 1967-09-19 Energy Conversion Devices Inc Overvoltage protection of a.c. measuring devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2215535A (en) * 1988-03-11 1989-09-20 Philips Electronic Associated Discharge lamp lighting system

Also Published As

Publication number Publication date
ES419265A1 (es) 1977-01-01
FR2008443A1 (xx) 1970-01-23
ES365208A1 (es) 1971-03-16
DE1913975A1 (de) 1970-01-15
US3517254A (en) 1970-06-23
BE731738A (xx) 1969-10-20
ES386538A1 (es) 1974-08-01
DE1913975B2 (de) 1977-03-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee