AU7335974A - Improvements in electric incandescentlamps - Google Patents

Improvements in electric incandescentlamps

Info

Publication number
AU7335974A
AU7335974A AU73359/74A AU7335974A AU7335974A AU 7335974 A AU7335974 A AU 7335974A AU 73359/74 A AU73359/74 A AU 73359/74A AU 7335974 A AU7335974 A AU 7335974A AU 7335974 A AU7335974 A AU 7335974A
Authority
AU
Australia
Prior art keywords
incandescentlamps
electric
electric incandescentlamps
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
AU73359/74A
Other versions
AU492969B2 (en
Inventor
Michael Rees And Vivian Walter Goddard John
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
Application granted granted Critical
Publication of AU492969B2 publication Critical patent/AU492969B2/en
Publication of AU7335974A publication Critical patent/AU7335974A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
AU73359/74A 1973-11-28 1974-09-16 Improvements in electric incandescentlamps Expired AU492969B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB55230/73 1973-11-28
GB5523073A GB1387240A (en) 1973-11-28 1973-11-28 Electric incandescent lamps

Publications (2)

Publication Number Publication Date
AU492969B2 AU492969B2 (en) 1976-03-18
AU7335974A true AU7335974A (en) 1976-03-18

Family

ID=

Also Published As

Publication number Publication date
AT351632B (en) 1979-08-10
ATA838774A (en) 1979-01-15
DE2452029B2 (en) 1979-05-31
FR2252651B2 (en) 1978-12-08
NL181158C (en) 1987-06-16
SE7316709L (en) 1975-05-29
SE396670B (en) 1977-09-26
CA985359A (en) 1976-03-09
CH607326A5 (en) 1978-12-15
ZA745614B (en) 1975-11-26
FR2252651A2 (en) 1975-06-20
NL181158B (en) 1987-01-16
DE2452029C3 (en) 1980-01-24
IT1046818B (en) 1980-07-31
JPS5086187A (en) 1975-07-11
NL7415561A (en) 1975-05-30
GB1387240A (en) 1975-03-12
DE2452029A1 (en) 1975-06-05
BE820427R (en) 1975-01-16

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