GB1302648A - - Google Patents

Info

Publication number
GB1302648A
GB1302648A GB1164471*[A GB1302648DA GB1302648A GB 1302648 A GB1302648 A GB 1302648A GB 1302648D A GB1302648D A GB 1302648DA GB 1302648 A GB1302648 A GB 1302648A
Authority
GB
United Kingdom
Prior art keywords
panel
prisms
cells
cell wall
cell
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
GB1164471*[A
Other languages
English (en)
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 filed Critical
Publication of GB1302648A publication Critical patent/GB1302648A/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
    • F21V3/00—Globes; Bowls; Cover glasses
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Optical Measuring Cells (AREA)
GB1164471*[A 1970-02-02 1971-04-19 Expired GB1302648A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US795070A 1970-02-02 1970-02-02

Publications (1)

Publication Number Publication Date
GB1302648A true GB1302648A (enExample) 1973-01-10

Family

ID=21728993

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1164471*[A Expired GB1302648A (enExample) 1970-02-02 1971-04-19

Country Status (5)

Country Link
US (1) US3668381A (enExample)
CA (1) CA920563A (enExample)
DE (2) DE7103780U (enExample)
FR (1) FR2079195B1 (enExample)
GB (1) GB1302648A (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2247672B1 (enExample) * 1973-10-12 1976-06-18 Alexandre Et Co
US3996458A (en) * 1974-02-25 1976-12-07 Jones Terry D Ceiling system
US4462068A (en) * 1982-06-24 1984-07-24 Manville Service Corporation Luminaire with improved lens structure
US4761641A (en) * 1983-01-21 1988-08-02 Vidcom Rentservice B.V. Information display system
EP1649212B1 (de) * 2003-07-24 2007-01-17 Johannes Jungel-Schmid Raumleuchteneinrichtung
JP2006091821A (ja) * 2004-08-26 2006-04-06 Fuji Photo Film Co Ltd プリズムシート及びこれを用いた表示装置
JP5011676B2 (ja) * 2005-08-12 2012-08-29 株式会社日立製作所 表示装置を備える機器
CN101344609B (zh) * 2007-07-12 2012-10-10 鸿富锦精密工业（深圳）有限公司 背光模组及其光学板
USD633648S1 (en) 2008-01-31 2011-03-01 Star Headlight & Lantern Co., Inc. Face for optical element of a warning light module through which light generated in the module projects
US20100080007A1 (en) * 2008-09-29 2010-04-01 Ping-Han Chuang Light distribution board having improved grating structure including a plurality of light gratings each with multiple focuses
TWI392933B (zh) * 2009-12-31 2013-04-11 Au Optronics Corp 具星芒形擴散結構之擴散板及使用其之背光模組
USD632421S1 (en) * 2010-06-02 2011-02-08 Star Headlight & Lantern Co., Inc. Optical lens for projecting light from an LED light emitter
USD712086S1 (en) 2013-03-05 2014-08-26 Star Headlight & Lantern Co., Inc. Optical lens for projecting light from LED light emitters
USD745713S1 (en) * 2014-05-01 2015-12-15 Peterson Manufacturing Company Combined stop, tail, turn lamp
USD747018S1 (en) * 2014-05-01 2016-01-05 Peterson Manufacturing Company Combined stop, tail, turn lamp
USD775407S1 (en) 2015-02-27 2016-12-27 Star Headlight & Lantern Co., Inc. Optical lens for projecting light from LED light emitters
USD774686S1 (en) 2015-02-27 2016-12-20 Star Headlight & Lantern Co., Inc. Optical lens for projecting light from LED light emitters
CN210717380U (zh) * 2019-11-08 2020-06-09 欧普照明股份有限公司 透镜及光源模组

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1241886A (en) * 1916-07-12 1917-10-02 Levi Leroy Rowe Lens.
US1944154A (en) * 1930-02-10 1934-01-23 Gen Motors Res Corp Stop light lens
US2859334A (en) * 1954-09-09 1958-11-04 Edwin F Guth Company Louvers
US3019334A (en) * 1956-12-26 1962-01-30 Willis L Lipscomb Cellular light control panel
US2937265A (en) * 1958-02-10 1960-05-17 Blitzer Bud Cellular lighting element and means for supporting the same
US3368070A (en) * 1965-06-15 1968-02-06 United Lighting & Ceiling Co Modular closed louver panel system

Also Published As

Publication number Publication date
FR2079195B1 (enExample) 1973-10-19
DE7103780U (de) 1973-01-18
CA920563A (en) 1973-02-06
DE2104788A1 (de) 1971-08-19
FR2079195A1 (enExample) 1971-11-12
US3668381A (en) 1972-06-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees