AU4644472A - Improved vapour discharge lamps - Google Patents

Improved vapour discharge lamps

Info

Publication number
AU4644472A
AU4644472A AU46444/72A AU4644472A AU4644472A AU 4644472 A AU4644472 A AU 4644472A AU 46444/72 A AU46444/72 A AU 46444/72A AU 4644472 A AU4644472 A AU 4644472A AU 4644472 A AU4644472 A AU 4644472A
Authority
AU
Australia
Prior art keywords
discharge lamps
vapour discharge
improved vapour
improved
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
Application number
AU46444/72A
Other languages
English (en)
Inventor
FREDERICK WESTON and MAURICE GEORGE CLARK ROBERT
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 AU4644472A publication Critical patent/AU4644472A/en
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
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/045—Thermic screens or reflectors
AU46444/72A 1971-09-07 1972-09-07 Improved vapour discharge lamps Expired AU4644472A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB41727/71 1971-09-07
GB4172771 1971-09-07

Publications (1)

Publication Number Publication Date
AU4644472A true AU4644472A (en) 1974-03-14

Family

ID=10421089

Family Applications (1)

Application Number Title Priority Date Filing Date
AU46444/72A Expired AU4644472A (en) 1971-09-07 1972-09-07 Improved vapour discharge lamps

Country Status (6)

Country Link
AU (1) AU4644472A (enExample)
DE (2) DE2243663A1 (enExample)
FR (1) FR2152721A1 (enExample)
GB (1) GB1330214A (enExample)
NL (1) NL7212050A (enExample)
ZA (1) ZA725144B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7830349U1 (de) * 1978-10-12 1980-03-20 N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) Gas- und/oder dampfentladungslampe
NL8101723A (nl) * 1981-04-08 1982-11-01 Philips Nv Hogedrukkwikdampontladingslamp. 080481 hogedrukontladingslamp.
US4446397A (en) * 1981-09-28 1984-05-01 General Electric Company High intensity discharge lamp with infrared reflecting means for improving efficacy
DE3248740C2 (de) * 1982-12-31 1995-04-13 Hans Fritz Heizstrahler

Also Published As

Publication number Publication date
GB1330214A (en) 1973-09-12
DE2243663A1 (de) 1973-03-15
NL7212050A (enExample) 1973-03-09
ZA725144B (en) 1973-04-25
FR2152721A1 (enExample) 1973-04-27
DE7232808U (de) 1972-11-30

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