FR2214968A1 - - Google Patents

Info

Publication number
FR2214968A1
FR2214968A1 FR7402283A FR7402283A FR2214968A1 FR 2214968 A1 FR2214968 A1 FR 2214968A1 FR 7402283 A FR7402283 A FR 7402283A FR 7402283 A FR7402283 A FR 7402283A FR 2214968 A1 FR2214968 A1 FR 2214968A1
Authority
FR
France
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.)
Granted
Application number
FR7402283A
Other languages
French (fr)
Other versions
FR2214968B1 (xx
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.)
EMI Group Ltd
Original Assignee
Thorn Electrical Industries 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 Thorn Electrical Industries Ltd filed Critical Thorn Electrical Industries Ltd
Publication of FR2214968A1 publication Critical patent/FR2214968A1/fr
Application granted granted Critical
Publication of FR2214968B1 publication Critical patent/FR2214968B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
FR7402283A 1973-01-23 1974-01-23 Expired FR2214968B1 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB346973A GB1444023A (en) 1973-01-23 1973-01-23 Electric discharge lamps

Publications (2)

Publication Number Publication Date
FR2214968A1 true FR2214968A1 (xx) 1974-08-19
FR2214968B1 FR2214968B1 (xx) 1978-10-27

Family

ID=9758912

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7402283A Expired FR2214968B1 (xx) 1973-01-23 1974-01-23

Country Status (14)

Country Link
US (1) US3867664A (xx)
JP (1) JPS5837662B2 (xx)
BE (1) BE810033A (xx)
CA (1) CA988988A (xx)
DE (1) DE2402760C3 (xx)
DK (1) DK138969B (xx)
FR (1) FR2214968B1 (xx)
GB (1) GB1444023A (xx)
IE (1) IE38771B1 (xx)
IT (1) IT1003493B (xx)
LU (1) LU69211A1 (xx)
NL (1) NL182925C (xx)
SE (1) SE383228B (xx)
ZA (1) ZA74411B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397066A1 (fr) * 1977-07-05 1979-02-02 Gen Electric Lampe a decharge a vapeurs metalliques haute pression

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2422411A1 (de) * 1974-05-09 1975-12-11 Philips Patentverwaltung Hochdruckquecksilberdampfentladungslampe
US4135110A (en) * 1975-02-13 1979-01-16 Thorn Electrical Industries Limited Electrical discharge lamp
GB2133925B (en) * 1982-12-29 1987-02-18 Gen Electric Control of radial distributions in high intensity discharge lamps
US4591759A (en) * 1984-09-10 1986-05-27 General Electric Company Ingredients for solenoidal metal halide arc lamps
US4705987A (en) * 1985-10-03 1987-11-10 The United States Of America As Represented By The United States Department Of Energy Very high efficacy electrodeless high intensity discharge lamps
US6157141A (en) * 1998-05-05 2000-12-05 Osram Sylvania Inc. Blue light electrodeless high intensity discharge lamp system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2102866A5 (xx) * 1970-08-27 1972-04-07 Eclairage Lab
US3771009A (en) * 1971-12-27 1973-11-06 Gte Laboratories Inc Electrode discharge device with electrode-activating fill

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2102866A5 (xx) * 1970-08-27 1972-04-07 Eclairage Lab
US3771009A (en) * 1971-12-27 1973-11-06 Gte Laboratories Inc Electrode discharge device with electrode-activating fill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397066A1 (fr) * 1977-07-05 1979-02-02 Gen Electric Lampe a decharge a vapeurs metalliques haute pression

Also Published As

Publication number Publication date
US3867664A (en) 1975-02-18
CA988988A (en) 1976-05-11
DE2402760C3 (de) 1980-01-31
JPS5837662B2 (ja) 1983-08-17
DK138969C (xx) 1979-05-28
IE38771B1 (en) 1978-05-24
DE2402760B2 (de) 1979-05-31
AU6481974A (en) 1975-07-24
NL7400944A (xx) 1974-07-25
GB1444023A (en) 1976-07-28
BE810033A (fr) 1974-05-16
SE383228B (sv) 1976-03-01
DE2402760A1 (de) 1974-07-25
DK138969B (da) 1978-11-20
IT1003493B (it) 1976-06-10
LU69211A1 (xx) 1974-04-08
FR2214968B1 (xx) 1978-10-27
IE38771L (en) 1974-07-23
ZA74411B (en) 1974-11-27
JPS49104479A (xx) 1974-10-03
NL182925C (nl) 1988-06-01

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Legal Events

Date Code Title Description
ST Notification of lapse