GB2107513B - Electrodes for discharge lamps - Google Patents

Electrodes for discharge lamps

Info

Publication number
GB2107513B
GB2107513B GB08129739A GB8129739A GB2107513B GB 2107513 B GB2107513 B GB 2107513B GB 08129739 A GB08129739 A GB 08129739A GB 8129739 A GB8129739 A GB 8129739A GB 2107513 B GB2107513 B GB 2107513B
Authority
GB
United Kingdom
Prior art keywords
electrodes
discharge lamps
lamps
discharge
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
GB08129739A
Other versions
GB2107513A (en
Inventor
James Richard Coaton
Richard John Seddon
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.)
Thorn EMI PLC
Original Assignee
Thorn EMI PLC
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 EMI PLC filed Critical Thorn EMI PLC
Priority to GB08129739A priority Critical patent/GB2107513B/en
Priority to DE19828224084 priority patent/DE8224084U1/en
Publication of GB2107513A publication Critical patent/GB2107513A/en
Application granted granted Critical
Publication of GB2107513B publication Critical patent/GB2107513B/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
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
GB08129739A 1981-10-02 1981-10-02 Electrodes for discharge lamps Expired GB2107513B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB08129739A GB2107513B (en) 1981-10-02 1981-10-02 Electrodes for discharge lamps
DE19828224084 DE8224084U1 (en) 1981-10-02 1982-08-26 ELECTRODE FOR A HIGH PRESSURE DISCHARGE LAMP

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08129739A GB2107513B (en) 1981-10-02 1981-10-02 Electrodes for discharge lamps

Publications (2)

Publication Number Publication Date
GB2107513A GB2107513A (en) 1983-04-27
GB2107513B true GB2107513B (en) 1986-08-13

Family

ID=10524886

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08129739A Expired GB2107513B (en) 1981-10-02 1981-10-02 Electrodes for discharge lamps

Country Status (2)

Country Link
DE (1) DE8224084U1 (en)
GB (1) GB2107513B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU197460B (en) * 1986-12-12 1989-03-28 Philips Nv High-pressure gas-discharge lamp with improved electrode
EP0381035B1 (en) * 1989-01-31 1994-08-03 Toshiba Lighting & Technology Corporation Single side-sealed metal vapor discharge lamp
US20070138931A1 (en) * 2005-12-19 2007-06-21 General Electric Company Backwound electrode coil for electric arc tube of ceramic metal halide lamp and method of manufacture

Also Published As

Publication number Publication date
DE8224084U1 (en) 1983-01-20
GB2107513A (en) 1983-04-27

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19991002