GB2481184B - LED parabolic reflector lamp - Google Patents

LED parabolic reflector lamp

Info

Publication number
GB2481184B
GB2481184B GB1005726.3A GB201005726A GB2481184B GB 2481184 B GB2481184 B GB 2481184B GB 201005726 A GB201005726 A GB 201005726A GB 2481184 B GB2481184 B GB 2481184B
Authority
GB
United Kingdom
Prior art keywords
parabolic reflector
reflector lamp
led
led parabolic
lamp
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.)
Active
Application number
GB1005726.3A
Other versions
GB201005726D0 (en
GB2481184A (en
Inventor
Wright Barry
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.)
Unipart Rail Ltd
Original Assignee
Unipart Rail 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 Unipart Rail Ltd filed Critical Unipart Rail Ltd
Priority to GB1005726.3A priority Critical patent/GB2481184B/en
Publication of GB201005726D0 publication Critical patent/GB201005726D0/en
Publication of GB2481184A publication Critical patent/GB2481184A/en
Application granted granted Critical
Publication of GB2481184B publication Critical patent/GB2481184B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/10—Combinations of only two kinds of elements the elements being reflectors and screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12—Visible signals
    • B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
    • B61L5/1809—Daylight signals
    • B61L5/1854—Mounting and focussing of the light source in a lamp, fixing means
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/06—Optical design with parabolic curvature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L2207/00—Features of light signals
    • B61L2207/02—Features of light signals using light-emitting diodes [LEDs]
    • 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
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
GB1005726.3A 2010-04-06 2010-04-06 LED parabolic reflector lamp Active GB2481184B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1005726.3A GB2481184B (en) 2010-04-06 2010-04-06 LED parabolic reflector lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1005726.3A GB2481184B (en) 2010-04-06 2010-04-06 LED parabolic reflector lamp

Publications (3)

Publication Number Publication Date
GB201005726D0 GB201005726D0 (en) 2010-05-19
GB2481184A GB2481184A (en) 2011-12-21
GB2481184B true GB2481184B (en) 2017-08-16

Family

ID=42228927

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1005726.3A Active GB2481184B (en) 2010-04-06 2010-04-06 LED parabolic reflector lamp

Country Status (1)

Country Link
GB (1) GB2481184B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10795237B2 (en) 2011-06-23 2020-10-06 Envirosight Llc Imagining device with focused illumination
EP4137888A1 (en) 2016-04-29 2023-02-22 Envirosight LLC Imaging device with focused illumination

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2336680A (en) * 1940-08-19 1943-12-14 Western Railroad Supply Compan Signal apparatus
GB2013323A (en) * 1978-01-28 1979-08-08 Plessey Co Ltd Traffic signal lamp
AT362686B (en) * 1977-09-14 1981-06-10 Strahlen Umweltforsch Gmbh SIGNAL HEADLIGHTS FOR ROAD TRAFFIC LIGHT SIGNALING SYSTEMS
US4316652A (en) * 1979-11-05 1982-02-23 General Signal Corporation Phantom eliminator for signal lights
US6278517B1 (en) * 1996-08-22 2001-08-21 Dr. Ing. Willing Gmbh Device for visually inspecting the surface condition of large-dimension surfaces to be matched
DE10309464B3 (en) * 2003-03-05 2005-02-17 Infokom Gmbh Light signal installation e.g. traffic lights for road intersection, with phantom light suppression provided by non-reflective partition walls within rear reflector enclosing signal lamp

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2336680A (en) * 1940-08-19 1943-12-14 Western Railroad Supply Compan Signal apparatus
AT362686B (en) * 1977-09-14 1981-06-10 Strahlen Umweltforsch Gmbh SIGNAL HEADLIGHTS FOR ROAD TRAFFIC LIGHT SIGNALING SYSTEMS
GB2013323A (en) * 1978-01-28 1979-08-08 Plessey Co Ltd Traffic signal lamp
US4316652A (en) * 1979-11-05 1982-02-23 General Signal Corporation Phantom eliminator for signal lights
US6278517B1 (en) * 1996-08-22 2001-08-21 Dr. Ing. Willing Gmbh Device for visually inspecting the surface condition of large-dimension surfaces to be matched
DE10309464B3 (en) * 2003-03-05 2005-02-17 Infokom Gmbh Light signal installation e.g. traffic lights for road intersection, with phantom light suppression provided by non-reflective partition walls within rear reflector enclosing signal lamp

Also Published As

Publication number Publication date
GB201005726D0 (en) 2010-05-19
GB2481184A (en) 2011-12-21

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