GB2146755B - Multiple convoluted fluorescent lamp arrangements - Google Patents

Multiple convoluted fluorescent lamp arrangements

Info

Publication number
GB2146755B
GB2146755B GB08423028A GB8423028A GB2146755B GB 2146755 B GB2146755 B GB 2146755B GB 08423028 A GB08423028 A GB 08423028A GB 8423028 A GB8423028 A GB 8423028A GB 2146755 B GB2146755 B GB 2146755B
Authority
GB
United Kingdom
Prior art keywords
fluorescent lamp
lamp arrangements
multiple convoluted
convoluted fluorescent
arrangements
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
GB08423028A
Other versions
GB8423028D0 (en
GB2146755A (en
Inventor
Steven Peter Finnis
Peter William Smith
Graham Robert Snudden
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
Publication of GB8423028D0 publication Critical patent/GB8423028D0/en
Publication of GB2146755A publication Critical patent/GB2146755A/en
Application granted granted Critical
Publication of GB2146755B publication Critical patent/GB2146755B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/0075—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB08423028A 1983-09-17 1984-09-12 Multiple convoluted fluorescent lamp arrangements Expired GB2146755B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838324952A GB8324952D0 (en) 1983-09-17 1983-09-17 Fluorescent lamp arrangements

Publications (3)

Publication Number Publication Date
GB8423028D0 GB8423028D0 (en) 1984-10-17
GB2146755A GB2146755A (en) 1985-04-24
GB2146755B true GB2146755B (en) 1987-02-18

Family

ID=10548950

Family Applications (2)

Application Number Title Priority Date Filing Date
GB838324952A Pending GB8324952D0 (en) 1983-09-17 1983-09-17 Fluorescent lamp arrangements
GB08423028A Expired GB2146755B (en) 1983-09-17 1984-09-12 Multiple convoluted fluorescent lamp arrangements

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB838324952A Pending GB8324952D0 (en) 1983-09-17 1983-09-17 Fluorescent lamp arrangements

Country Status (1)

Country Link
GB (2) GB8324952D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4737895A (en) * 1987-07-06 1988-04-12 Harry Silver Low temperature starting fluorescent fixture
US6083021A (en) * 1992-02-10 2000-07-04 Lau; Kenneth Fluorescent light ballast lamp mounting socket construction
US5471375A (en) * 1992-02-10 1995-11-28 Lau; Kenneth Fluorescent light ballast lamp mounting socket construction
CN2526971Y (en) * 2002-01-07 2002-12-18 上海威廉照明电气有限公司 Eccentric plane type fluorescent tube

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2304594A (en) * 1940-08-13 1942-12-08 Pennybacker Miles Illuminating apparatus
GB1582885A (en) * 1977-05-21 1981-01-14 Kawamura O Method of and an apparatus for manufacturing a bent fluorescent lamp

Also Published As

Publication number Publication date
GB8324952D0 (en) 1983-10-19
GB8423028D0 (en) 1984-10-17
GB2146755A (en) 1985-04-24

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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: 19930912