DE2862474D1 - Low pressure metal vapour discharge lamp - Google Patents

Low pressure metal vapour discharge lamp

Info

Publication number
DE2862474D1
DE2862474D1 DE8181102980T DE2862474T DE2862474D1 DE 2862474 D1 DE2862474 D1 DE 2862474D1 DE 8181102980 T DE8181102980 T DE 8181102980T DE 2862474 T DE2862474 T DE 2862474T DE 2862474 D1 DE2862474 D1 DE 2862474D1
Authority
DE
Germany
Prior art keywords
low pressure
discharge lamp
pressure metal
vapour discharge
metal vapour
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
DE8181102980T
Other languages
German (de)
Inventor
Yoshio Watanabe
Mikiya Yamane
Teruichi Tomura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Priority claimed from JP52095041A external-priority patent/JPS581509B2/en
Priority claimed from JP11562377A external-priority patent/JPS5450165A/en
Priority claimed from JP11562277A external-priority patent/JPS5450164A/en
Priority claimed from JP11562477A external-priority patent/JPS5450166A/en
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority claimed from EP78300262A external-priority patent/EP0000842B1/en
Application granted granted Critical
Publication of DE2862474D1 publication Critical patent/DE2862474D1/en
Expired legal-status Critical Current

Links

DE8181102980T 1977-08-10 1978-08-07 Low pressure metal vapour discharge lamp Expired DE2862474D1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP52095041A JPS581509B2 (en) 1977-08-10 1977-08-10 low pressure gas discharge lamp
JP11562377A JPS5450165A (en) 1977-09-28 1977-09-28 Low-pressure vapor discharge lamp
JP11562277A JPS5450164A (en) 1977-09-28 1977-09-28 Low-pressure vapor discharge lamp
JP11562477A JPS5450166A (en) 1977-09-28 1977-09-28 Low-pressure vapor discharge lamp
EP78300262A EP0000842B1 (en) 1977-08-10 1978-08-07 Low pressure metal vapour discharge lamp

Publications (1)

Publication Number Publication Date
DE2862474D1 true DE2862474D1 (en) 1986-01-02

Family

ID=27513121

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181102980T Expired DE2862474D1 (en) 1977-08-10 1978-08-07 Low pressure metal vapour discharge lamp

Country Status (1)

Country Link
DE (1) DE2862474D1 (en)

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee