FR2141789A1 - - Google Patents

Info

Publication number
FR2141789A1
FR2141789A1 FR7220471A FR7220471A FR2141789A1 FR 2141789 A1 FR2141789 A1 FR 2141789A1 FR 7220471 A FR7220471 A FR 7220471A FR 7220471 A FR7220471 A FR 7220471A FR 2141789 A1 FR2141789 A1 FR 2141789A1
Authority
FR
France
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.)
Granted
Application number
FR7220471A
Other versions
FR2141789B1 (fr
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.)
GRIMES Manufacturing Co
Original Assignee
GRIMES Manufacturing Co
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 GRIMES Manufacturing Co filed Critical GRIMES Manufacturing Co
Publication of FR2141789A1 publication Critical patent/FR2141789A1/fr
Application granted granted Critical
Publication of FR2141789B1 publication Critical patent/FR2141789B1/fr
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
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
FR7220471A 1971-06-16 1972-06-07 Expired FR2141789B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15364271A 1971-06-16 1971-06-16

Publications (2)

Publication Number Publication Date
FR2141789A1 true FR2141789A1 (fr) 1973-01-26
FR2141789B1 FR2141789B1 (fr) 1977-12-23

Family

ID=22548093

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7220471A Expired FR2141789B1 (fr) 1971-06-16 1972-06-07

Country Status (5)

Country Link
US (1) US3732417A (fr)
CA (1) CA958393A (fr)
DE (1) DE2229120A1 (fr)
FR (1) FR2141789B1 (fr)
GB (1) GB1391677A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2372380A1 (fr) * 1976-11-30 1978-06-23 Barbier Benard & Turenne Appareil d'eclairage sans ombres portees
EP1637800A1 (fr) * 2004-09-21 2006-03-22 Valeo Vision Feu de signalisation, en particulier pour véhicule automobile

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2247672B1 (fr) * 1973-10-12 1976-06-18 Alexandre Et Co
US4670825A (en) * 1985-12-31 1987-06-02 Fouke Herbert A Reflector for use in uniformly illuminating a polygonal area
US4994945A (en) * 1989-01-26 1991-02-19 Kirschner Medical Corporation Lamp system for operating theatres and the like
US4937715A (en) * 1989-01-26 1990-06-26 Kirschner Medical Corporation Lamp system for operating theatres and the like
DE69826950T2 (de) * 1997-09-05 2006-02-23 Sharp K.K. Dunkelfeld-Projektionsanzeigegerät
GB2329036A (en) * 1997-09-05 1999-03-10 Sharp Kk Optical system for redistributing optical extent and illumination source
JP3005955B2 (ja) * 1998-04-17 2000-02-07 スタンレー電気株式会社 灯 具
US6969181B1 (en) 2001-05-08 2005-11-29 Genlyte Thomas Group Llc Fully recessed unit equipment luminaire
SE0201961D0 (sv) * 2002-06-25 2002-06-25 Labino Patent Ab Belysningsarmatur
US20050047137A1 (en) * 2003-08-28 2005-03-03 Era Optoelectronics Inc. Cross-shaped laser rays generator with non-spherical lens
JP3912407B2 (ja) * 2004-12-14 2007-05-09 カシオ計算機株式会社 光源ユニット及びプロジェクタ装置
GB2421584A (en) * 2004-12-21 2006-06-28 Sharp Kk Optical device with converging and diverging elements for directing light
JP4218649B2 (ja) * 2005-03-07 2009-02-04 カシオ計算機株式会社 光源ユニット及びプロジェクタ装置
FI20085548A0 (fi) * 2008-06-04 2008-06-04 Valopaa Oy Laite valaistuksen suuntaamiseen ja valaistukseen
US8098434B1 (en) 2010-09-22 2012-01-17 3M Innovative Properties Company Optical decollimator for daylighting systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344268A (en) * 1967-09-26 Refractor for usb in uniformly illuminating a polygonal area
US1350295A (en) * 1919-04-18 1920-08-24 Kirby Champeau Co Inc Illuminating means
US2124417A (en) * 1937-06-18 1938-07-19 New York World S Fair 1939 Inc Lighting fixture
US2366356A (en) * 1942-10-14 1945-01-02 Holophane Co Inc Luminaire

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2372380A1 (fr) * 1976-11-30 1978-06-23 Barbier Benard & Turenne Appareil d'eclairage sans ombres portees
EP1637800A1 (fr) * 2004-09-21 2006-03-22 Valeo Vision Feu de signalisation, en particulier pour véhicule automobile
FR2875578A1 (fr) * 2004-09-21 2006-03-24 Valeo Vision Sa Feu de signalisation, en particulier pour vehicule automobile
US7607810B2 (en) 2004-09-21 2009-10-27 Valeo Vision Signalling light, in particular for an automobile

Also Published As

Publication number Publication date
CA958393A (en) 1974-11-26
FR2141789B1 (fr) 1977-12-23
GB1391677A (en) 1975-04-23
US3732417A (en) 1973-05-08
DE2229120A1 (de) 1972-12-21

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Legal Events

Date Code Title Description
ST Notification of lapse