DE69504521T2 - Anzeigebeleuchtungsystem und verfahren - Google Patents

Anzeigebeleuchtungsystem und verfahren

Info

Publication number
DE69504521T2
DE69504521T2 DE69504521T DE69504521T DE69504521T2 DE 69504521 T2 DE69504521 T2 DE 69504521T2 DE 69504521 T DE69504521 T DE 69504521T DE 69504521 T DE69504521 T DE 69504521T DE 69504521 T2 DE69504521 T2 DE 69504521T2
Authority
DE
Germany
Prior art keywords
lighting system
display lighting
display
lighting
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 - Fee Related
Application number
DE69504521T
Other languages
English (en)
Other versions
DE69504521D1 (de
Inventor
Yoshio Watanabe
Toshitaka - Nakajima
Muneo Momozawa
Satoshi Kakishita
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.)
3M Co
Original Assignee
Minnesota Mining and 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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of DE69504521D1 publication Critical patent/DE69504521D1/de
Application granted granted Critical
Publication of DE69504521T2 publication Critical patent/DE69504521T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/126—Reflex reflectors including curved refracting surface
    • G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/02—Signs, boards, or panels, illuminated by artificial light sources positioned in front of the insignia
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/0472—Traffic signs
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/16—Signs formed of or incorporating reflecting elements or surfaces, e.g. warning signs having triangular or other geometrical shape
DE69504521T 1994-08-01 1995-07-27 Anzeigebeleuchtungsystem und verfahren Expired - Fee Related DE69504521T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6179930A JPH0849218A (ja) 1994-08-01 1994-08-01 標識板等の照明システム及び照明方法
PCT/US1995/009532 WO1996004638A1 (en) 1994-08-01 1995-07-27 Sign illumination system and method

Publications (2)

Publication Number Publication Date
DE69504521D1 DE69504521D1 (de) 1998-10-08
DE69504521T2 true DE69504521T2 (de) 1999-04-29

Family

ID=16074420

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69504521T Expired - Fee Related DE69504521T2 (de) 1994-08-01 1995-07-27 Anzeigebeleuchtungsystem und verfahren

Country Status (6)

Country Link
EP (1) EP0774149B1 (de)
JP (1) JPH0849218A (de)
AU (1) AU3203495A (de)
CA (1) CA2196548A1 (de)
DE (1) DE69504521T2 (de)
WO (1) WO1996004638A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4161597A (en) * 1997-08-25 1999-03-16 Gordon C. Lewis System for lighting overhead highway signs from a remote light source
AU6893798A (en) * 1997-09-25 1999-04-12 Minnesota Mining And Manufacturing Company Reflective article incorporating highly nonorthogonal reflecting surfaces
WO1999015921A1 (en) * 1997-09-25 1999-04-01 Minnesota Mining And Manufacturing Company Dual use reflective article
JP4225599B2 (ja) * 1998-03-09 2009-02-18 スリーエム カンパニー イメージ表示シートおよびイメージ表示システム
ITVI20040192A1 (it) * 2004-07-30 2004-10-30 Astron Fiamm Safety S A Sistema integrato di sicurezza del traffico, particolarmente in condizioni di scarsa visibilita', e metodo d'uso di tale sistema
JP4762916B2 (ja) * 2005-07-20 2011-08-31 紀和化学工業株式会社 再帰性反射シートとその製造方法及び使用方法
DE102007051268A1 (de) * 2007-10-26 2009-04-30 Hella Kgaa Hueck & Co. Anordnung für Kraftfahrzeuge zum Erkennen der Umgebungshelligkeit während der Fahrt des Kraftfahrzeuges
CN105894984A (zh) * 2014-10-31 2016-08-24 王盘龙 标志、标牌广角度可视装置与方法和系统
KR101963731B1 (ko) * 2018-07-04 2019-03-29 (유)아이엘에스 도로표지판 및 교통안전표지판용 led 조명 장치
US11585055B1 (en) * 2022-03-21 2023-02-21 National Central University High efficiency traffice sign with projection light source

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE50423T1 (de) * 1983-04-11 1990-02-15 Minnesota Mining & Mfg Weitwinklig retroreflektierende folie und verfahren zu ihrer herstellung.
US4505967A (en) * 1983-04-11 1985-03-19 Minnesota Mining And Manufacturing Company High-angularity retroreflective sheeting and method for manufacture
US4726134A (en) * 1986-11-21 1988-02-23 Minnesota Mining And Manufacturing Company Roadway sign
DE9105945U1 (de) * 1991-02-27 1991-08-01 Martynski, Jan, Dipl.-Ing., 2400 Luebeck, De
DE4334659A1 (de) * 1993-10-12 1995-04-20 Johannes Dipl Ing Aulbach Optische Leiteinrichtung, insbesondere für den Straßenverkehr

Also Published As

Publication number Publication date
CA2196548A1 (en) 1996-02-15
DE69504521D1 (de) 1998-10-08
AU3203495A (en) 1996-03-04
JPH0849218A (ja) 1996-02-20
EP0774149B1 (de) 1998-09-02
EP0774149A1 (de) 1997-05-21
WO1996004638A1 (en) 1996-02-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee