GB1554742A - Flourescent lamps - Google Patents

Flourescent lamps

Info

Publication number
GB1554742A
GB1554742A GB5319476A GB5319476A GB1554742A GB 1554742 A GB1554742 A GB 1554742A GB 5319476 A GB5319476 A GB 5319476A GB 5319476 A GB5319476 A GB 5319476A GB 1554742 A GB1554742 A GB 1554742A
Authority
GB
United Kingdom
Prior art keywords
flourescent lamps
flourescent
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
GB5319476A
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.)
General Electric Co
Original Assignee
General Electric Co
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 US05/642,056 external-priority patent/US4005330A/en
Application filed by General Electric Co filed Critical General Electric Co
Publication of GB1554742A publication Critical patent/GB1554742A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
    • H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
    • H01J65/048—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using an excitation coil
GB5319476A 1975-12-18 1976-12-20 Flourescent lamps Expired GB1554742A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/642,056 US4005330A (en) 1975-01-20 1975-12-18 Electrodeless fluorescent lamp

Publications (1)

Publication Number Publication Date
GB1554742A true GB1554742A (en) 1979-10-31

Family

ID=24574996

Family Applications (3)

Application Number Title Priority Date Filing Date
GB3959678A Expired GB1554745A (en) 1975-12-18 1976-12-20 Methods of making lamp beses
GB5319476A Expired GB1554742A (en) 1975-12-18 1976-12-20 Flourescent lamps
GB7839597A Expired GB1554746A (en) 1975-12-18 1978-12-20 Lamp hase structures

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB3959678A Expired GB1554745A (en) 1975-12-18 1976-12-20 Methods of making lamp beses

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB7839597A Expired GB1554746A (en) 1975-12-18 1978-12-20 Lamp hase structures

Country Status (4)

Country Link
JP (1) JPS5277485A (en)
BE (1) BE849181A (en)
DE (1) DE2657008C2 (en)
GB (3) GB1554745A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS585506B2 (en) * 1978-03-06 1983-01-31 ウエスチングハウス エレクトリック コ−ポレ−ション Electrodeless discharge device
NL7901897A (en) * 1979-03-09 1980-09-11 Philips Nv ELECTRESSLESS GAS DISCHARGE LAMP.
CA1144224A (en) * 1979-08-08 1983-04-05 Martin D. Nahemow High frequency electrodeless lamp having a gapped magnetic core and method
JPH01127793U (en) * 1988-02-19 1989-08-31

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500118A (en) * 1967-07-17 1970-03-10 Gen Electric Electrodeless gaseous electric discharge devices utilizing ferrite cores
US3521120A (en) * 1968-03-20 1970-07-21 Gen Electric High frequency electrodeless fluorescent lamp assembly

Also Published As

Publication number Publication date
JPS5756191B2 (en) 1982-11-29
GB1554746A (en) 1979-10-31
GB1554745A (en) 1979-10-31
BE849181A (en) 1977-06-08
DE2657008A1 (en) 1977-06-30
DE2657008C2 (en) 1982-06-09
JPS5277485A (en) 1977-06-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee