GB2169440B - High pressure discharge lamp - Google Patents

High pressure discharge lamp

Info

Publication number
GB2169440B
GB2169440B GB8530171A GB8530171A GB2169440B GB 2169440 B GB2169440 B GB 2169440B GB 8530171 A GB8530171 A GB 8530171A GB 8530171 A GB8530171 A GB 8530171A GB 2169440 B GB2169440 B GB 2169440B
Authority
GB
United Kingdom
Prior art keywords
high pressure
discharge lamp
pressure discharge
lamp
pressure
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
GB8530171A
Other versions
GB2169440A (en
GB8530171D0 (en
Inventor
Shigeaki Wada
Atsunori Okada
Shoiti Morii
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of GB8530171D0 publication Critical patent/GB8530171D0/en
Publication of GB2169440A publication Critical patent/GB2169440A/en
Application granted granted Critical
Publication of GB2169440B publication Critical patent/GB2169440B/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
    • H01J61/30—Vessels; Containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/827—Metal halide arc lamps
GB8530171A 1984-12-14 1985-12-06 High pressure discharge lamp Expired GB2169440B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP59265052 1984-12-14
JP13633085 1985-06-21
JP13633185 1985-06-21

Publications (3)

Publication Number Publication Date
GB8530171D0 GB8530171D0 (en) 1986-01-15
GB2169440A GB2169440A (en) 1986-07-09
GB2169440B true GB2169440B (en) 1989-08-16

Family

ID=27317247

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8530171A Expired GB2169440B (en) 1984-12-14 1985-12-06 High pressure discharge lamp
GB8902971A Expired GB2211658B (en) 1984-12-14 1989-02-10 High pressure discharge lamp

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8902971A Expired GB2211658B (en) 1984-12-14 1989-02-10 High pressure discharge lamp

Country Status (1)

Country Link
GB (2) GB2169440B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4347022A (en) * 1978-10-02 1982-08-31 Precision Metal Fabricators, Inc. Air table system
US5101134A (en) * 1990-09-26 1992-03-31 Gte Products Corporation Low wattage metal halide capsule shape

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1330045A (en) * 1970-03-03 1973-09-12 Matsushita Electronics Corp Small-sized fluorescent lamp
GB1464063A (en) * 1974-07-11 1977-02-09 Philips Electronic Associated Low-pressure gas discharge lamp
GB1517451A (en) * 1975-01-15 1978-07-12 Lampes Sa Discharge-type projection lamps
GB2013394A (en) * 1977-12-27 1979-08-08 Gen Electric Metal vapour discharge lamps
GB2076218A (en) * 1980-05-15 1981-11-25 Ushio Electric Inc Discharge lamps
GB2089113A (en) * 1980-12-08 1982-06-16 Gte Prod Corp Starting aid for discharge lamps

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB410787A (en) * 1931-11-21 1934-05-22 British Thomson Houston Co Ltd Improvements in and relating to electric discharge lamps

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1330045A (en) * 1970-03-03 1973-09-12 Matsushita Electronics Corp Small-sized fluorescent lamp
GB1464063A (en) * 1974-07-11 1977-02-09 Philips Electronic Associated Low-pressure gas discharge lamp
GB1517451A (en) * 1975-01-15 1978-07-12 Lampes Sa Discharge-type projection lamps
GB2013394A (en) * 1977-12-27 1979-08-08 Gen Electric Metal vapour discharge lamps
GB2076218A (en) * 1980-05-15 1981-11-25 Ushio Electric Inc Discharge lamps
GB2089113A (en) * 1980-12-08 1982-06-16 Gte Prod Corp Starting aid for discharge lamps

Also Published As

Publication number Publication date
GB2211658A (en) 1989-07-05
GB8902971D0 (en) 1989-03-30
GB2211658B (en) 1989-10-11
GB2169440A (en) 1986-07-09
GB8530171D0 (en) 1986-01-15

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20000602

PE20 Patent expired after termination of 20 years

Effective date: 20051205