Nothing Special   »   [go: up one dir, main page]

GB1557472A - Electric lamps - Google Patents

Electric lamps

Info

Publication number
GB1557472A
GB1557472A GB29843/76A GB2984376A GB1557472A GB 1557472 A GB1557472 A GB 1557472A GB 29843/76 A GB29843/76 A GB 29843/76A GB 2984376 A GB2984376 A GB 2984376A GB 1557472 A GB1557472 A GB 1557472A
Authority
GB
United Kingdom
Prior art keywords
electric lamps
lamps
electric
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
GB29843/76A
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.)
Dorman Smith Traffic Products Ltd
Original Assignee
Dorman Smith Traffic Products 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 Dorman Smith Traffic Products Ltd filed Critical Dorman Smith Traffic Products Ltd
Priority to GB29843/76A priority Critical patent/GB1557472A/en
Publication of GB1557472A publication Critical patent/GB1557472A/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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/006—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
GB29843/76A 1977-05-06 1977-05-06 Electric lamps Expired GB1557472A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB29843/76A GB1557472A (en) 1977-05-06 1977-05-06 Electric lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB29843/76A GB1557472A (en) 1977-05-06 1977-05-06 Electric lamps

Publications (1)

Publication Number Publication Date
GB1557472A true GB1557472A (en) 1979-12-12

Family

ID=10298110

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29843/76A Expired GB1557472A (en) 1977-05-06 1977-05-06 Electric lamps

Country Status (1)

Country Link
GB (1) GB1557472A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404869A (en) * 1992-04-16 1995-04-11 Tir Technologies, Inc. Faceted totally internally reflecting lens with individually curved faces on facets
US5655832A (en) * 1992-04-16 1997-08-12 Tir Technologies, Inc. Multiple wavelength light processor
US5677972A (en) * 1996-02-21 1997-10-14 Tir Technologies, Inc. High efficiency direct coupling of radiant electromagnetic energy into dielectric wave guide structure
US5676453A (en) * 1992-04-16 1997-10-14 Tir Technologies, Inc. Collimating TIR lens devices employing fluorescent light sources
US5721795A (en) * 1996-05-17 1998-02-24 Tir Technologies, Inc. High efficiency ejection of light from optical wave guide, by holographically produced light scattering means
US5806955A (en) * 1992-04-16 1998-09-15 Tir Technologies, Inc. TIR lens for waveguide injection
US6177761B1 (en) 1996-07-17 2001-01-23 Teledyne Lighting And Display Products, Inc. LED with light extractor

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404869A (en) * 1992-04-16 1995-04-11 Tir Technologies, Inc. Faceted totally internally reflecting lens with individually curved faces on facets
US5577492A (en) * 1992-04-16 1996-11-26 Tir Technologies, Inc. Collimating TIR lens with focusing filter lens
US5577493A (en) * 1992-04-16 1996-11-26 Tir Technologies, Inc. Auxiliary lens to modify the output flux distribution of a TIR lens
US5655832A (en) * 1992-04-16 1997-08-12 Tir Technologies, Inc. Multiple wavelength light processor
US5676453A (en) * 1992-04-16 1997-10-14 Tir Technologies, Inc. Collimating TIR lens devices employing fluorescent light sources
US5806955A (en) * 1992-04-16 1998-09-15 Tir Technologies, Inc. TIR lens for waveguide injection
US5677972A (en) * 1996-02-21 1997-10-14 Tir Technologies, Inc. High efficiency direct coupling of radiant electromagnetic energy into dielectric wave guide structure
US5721795A (en) * 1996-05-17 1998-02-24 Tir Technologies, Inc. High efficiency ejection of light from optical wave guide, by holographically produced light scattering means
US6177761B1 (en) 1996-07-17 2001-01-23 Teledyne Lighting And Display Products, Inc. LED with light extractor

Similar Documents

Publication Publication Date Title
JPS53136376A (en) Preefocusing lamp
JPS55108163A (en) Electric lamp unit
GB2052036B (en) Electric lamp
JPS54110675A (en) Electric lamp
GB2003314B (en) Lamp unit
GB2000370B (en) Electric lamps
JPS546529A (en) Multiiflash lamp assembly
GB2009912B (en) Electric luminaire
GB2007877B (en) Electric hairdrier
YU222878A (en) Lamp assembly
GB2055246B (en) Electric lamp
GB2003820B (en) Electric lamp package
GB1557472A (en) Electric lamps
JPS53142065A (en) Lamp
GB2019385B (en) Electric lamps
GB2004047B (en) Lamp
JPS53136375A (en) Lamp
JPS54118677A (en) Electric lamp
GB1539667A (en) Fitting bases to electric lamp
GB1537802A (en) Electric lamps
JPS53135190A (en) Lamp
JPS5433026A (en) Multiiflash lamp assembly
JPS5457896A (en) Electric syren
HK65679A (en) Electric lamps
GB1545830A (en) Electric lamps

Legal Events

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

Effective date: 19950506