GB8826165D0 - Portable illumination device - Google Patents

Portable illumination device

Info

Publication number
GB8826165D0
GB8826165D0 GB888826165A GB8826165A GB8826165D0 GB 8826165 D0 GB8826165 D0 GB 8826165D0 GB 888826165 A GB888826165 A GB 888826165A GB 8826165 A GB8826165 A GB 8826165A GB 8826165 D0 GB8826165 D0 GB 8826165D0
Authority
GB
United Kingdom
Prior art keywords
illumination device
portable illumination
portable
illumination
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.)
Pending
Application number
GB888826165A
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.)
Dowty Electronic Components Ltd
Original Assignee
Dowty Electronic Components 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 Dowty Electronic Components Ltd filed Critical Dowty Electronic Components Ltd
Priority to GB888826165A priority Critical patent/GB8826165D0/en
Publication of GB8826165D0 publication Critical patent/GB8826165D0/en
Priority to CA002002084A priority patent/CA2002084A1/en
Priority to GB8924976A priority patent/GB2226531A/en
Priority to PCT/GB1989/001320 priority patent/WO1990005268A1/en
Pending 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices
    • 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
    • F21Y2105/00—Planar 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/20—Electroluminescent [EL] light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Electroluminescent Light Sources (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
GB888826165A 1988-11-08 1988-11-08 Portable illumination device Pending GB8826165D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB888826165A GB8826165D0 (en) 1988-11-08 1988-11-08 Portable illumination device
CA002002084A CA2002084A1 (en) 1988-11-08 1989-11-02 Portable illumination device
GB8924976A GB2226531A (en) 1988-11-08 1989-11-06 Portable illumination device
PCT/GB1989/001320 WO1990005268A1 (en) 1988-11-08 1989-11-06 A portable illumination device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888826165A GB8826165D0 (en) 1988-11-08 1988-11-08 Portable illumination device

Publications (1)

Publication Number Publication Date
GB8826165D0 true GB8826165D0 (en) 1988-12-14

Family

ID=10646519

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888826165A Pending GB8826165D0 (en) 1988-11-08 1988-11-08 Portable illumination device
GB8924976A Withdrawn GB2226531A (en) 1988-11-08 1989-11-06 Portable illumination device

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8924976A Withdrawn GB2226531A (en) 1988-11-08 1989-11-06 Portable illumination device

Country Status (3)

Country Link
CA (1) CA2002084A1 (en)
GB (2) GB8826165D0 (en)
WO (1) WO1990005268A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2216502A1 (en) 1997-09-25 1999-03-25 Lomak Industrial Co. Ltd. Portable light

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4024404A (en) * 1975-04-11 1977-05-17 Becky J. Schroeder Electroluminescent backing sheet for reading and writing in the dark
DE2539593A1 (en) * 1975-09-05 1977-04-28 Martin Hamacher FLUORESCENT TUBE LAMP
US4266164A (en) * 1977-05-16 1981-05-05 Schroeder Becky J Electroluminescent backing sheet for reading and writing in the dark
US4637148A (en) * 1985-07-08 1987-01-20 Barlow Dane D Electroluminescent badge

Also Published As

Publication number Publication date
CA2002084A1 (en) 1990-05-08
WO1990005268A1 (en) 1990-05-17
GB2226531A (en) 1990-07-04
GB8924976D0 (en) 1989-12-28

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