IN170199B - - Google Patents

Info

Publication number
IN170199B
IN170199B IN773/MAS/87A IN773MA1987A IN170199B IN 170199 B IN170199 B IN 170199B IN 773MA1987 A IN773MA1987 A IN 773MA1987A IN 170199 B IN170199 B IN 170199B
Authority
IN
India
Application number
IN773/MAS/87A
Other languages
English (en)
Inventor
Henry L Woltan
Original Assignee
Minnesota Mining & Mfg
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 & Mfg filed Critical Minnesota Mining & Mfg
Publication of IN170199B publication Critical patent/IN170199B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Geometry (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Road Signs Or Road Markings (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Traffic Control Systems (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
IN773/MAS/87A 1986-11-21 1987-10-26 IN170199B (en])

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/933,739 US4726134A (en) 1986-11-21 1986-11-21 Roadway sign

Publications (1)

Publication Number Publication Date
IN170199B true IN170199B (en]) 1992-02-22

Family

ID=25464425

Family Applications (1)

Application Number Title Priority Date Filing Date
IN773/MAS/87A IN170199B (en]) 1986-11-21 1987-10-26

Country Status (17)

Country Link
US (1) US4726134A (en])
EP (1) EP0269327B1 (en])
JP (1) JP2840243B2 (en])
KR (1) KR880006423A (en])
CN (1) CN1010350B (en])
AR (1) AR247036A1 (en])
AT (1) ATE79181T1 (en])
AU (1) AU593400B2 (en])
BR (1) BR8706236A (en])
CA (1) CA1276459C (en])
DE (1) DE3780918T2 (en])
ES (1) ES2033877T3 (en])
GR (1) GR3005633T3 (en])
IN (1) IN170199B (en])
MX (1) MX161402A (en])
TR (1) TR23086A (en])
ZA (1) ZA877806B (en])

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4957335A (en) * 1989-05-26 1990-09-18 Minnesota Mining And Manufacturing Company Microsphere-based retroreflective articles with enhanced retroreflective brightness
US5050327A (en) * 1989-11-17 1991-09-24 Minnesota Mining And Manufacturing Company Retroreflective sign having improved legibility
US5087508A (en) * 1990-05-30 1992-02-11 Minnesota Mining And Manufacturing Company Dew and frost resistant signs
US5237449A (en) * 1991-01-29 1993-08-17 Nelson Optics Company, Inc. Biased lenticular sign system
ES2108762T3 (es) * 1991-10-15 1998-01-01 Minnesota Mining & Mfg Dispositivo de visualizacion de informacion.
GB2274295B (en) * 1993-01-13 1996-01-17 Swintex Retro-reflective device
US5777790A (en) * 1994-04-07 1998-07-07 Minnesota Mining And Manufacturing Company Microsphere-based retroreflective article
US5818640A (en) * 1994-08-01 1998-10-06 Minnesota Mining And Manufacturing Company Sign illumination system and method
JPH0849218A (ja) * 1994-08-01 1996-02-20 Minnesota Mining & Mfg Co <3M> 標識板等の照明システム及び照明方法
US5761060A (en) * 1996-06-25 1998-06-02 University Of Utah System and method for evaluating sign legibility
JP2900317B2 (ja) * 1997-02-21 1999-06-02 健一 中島 道路標識
US6282026B1 (en) * 1998-02-05 2001-08-28 3M Innovative Properties Company Retroreflectors having two optical surfaces and varying retroreflectivity
US6045230A (en) * 1998-02-05 2000-04-04 3M Innovative Properties Company Modulating retroreflective 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
US6253477B1 (en) * 1998-09-23 2001-07-03 Hallmark Technologies, Inc. Retro-reflective sign
US6891960B2 (en) 2000-08-12 2005-05-10 Facet Technology System for road sign sheeting classification
US20040051682A1 (en) * 2002-09-17 2004-03-18 Sines Randy D. Remotely updateable service signage
US7590310B2 (en) 2004-05-05 2009-09-15 Facet Technology Corp. Methods and apparatus for automated true object-based image analysis and retrieval
WO2006121986A2 (en) * 2005-05-06 2006-11-16 Facet Technology Corp. Network-based navigation system having virtual drive-thru advertisements integrated with actual imagery from along a physical route
EP1932031B1 (en) * 2005-09-26 2012-06-20 Avery Dennison Corporation Retroreflective sheeting comprising a divergence enhancing layer
EP1985733B1 (de) * 2007-04-13 2012-08-01 Groz-Beckert KG Litzeneinzieheinrichtung für Webschäfte
ES2306616B1 (es) 2008-02-12 2009-07-24 Fundacion Cidaut Procedimiento de determinacion de la luminancia de señales de trafico y dispositivo para su realizacion.
US8783879B2 (en) 2008-10-22 2014-07-22 3M Innovative Properties Company Retroreflective sheeting
US9552752B1 (en) * 2015-09-15 2017-01-24 SES America, Inc. Limited view dynamic message sign for traffic information

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US285270A (en) * 1883-09-18 Julius jaegeb
US1751984A (en) * 1926-12-30 1930-03-25 American Gasaccumulator Co Reflector
US2022639A (en) * 1933-10-06 1935-11-26 Jonathan C Stimson Reflecting device for highways
US2043414A (en) * 1934-07-20 1936-06-09 Fred H Korff Marker for highways
US2326634A (en) * 1941-12-26 1943-08-10 Minnesota Mining & Mfg Reflex light reflector
US2910792A (en) * 1958-10-06 1959-11-03 Pfaff & Kendall Highway sign
US3712706A (en) * 1971-01-04 1973-01-23 American Cyanamid Co Retroreflective surface
JPS5320837B1 (en]) * 1971-07-07 1978-06-29
US3833285A (en) * 1973-05-22 1974-09-03 Amerace Esna Corp Retrodirective reflector visible over wide range of observation angles
US3801183A (en) * 1973-06-01 1974-04-02 Minnesota Mining & Mfg Retro-reflective film
JPS585404B2 (ja) * 1974-12-03 1983-01-31 イチコウコウギヨウ カブシキガイシヤ 再帰反射器
JPS6012953B2 (ja) * 1976-11-16 1985-04-04 大日本印刷株式会社 食刻画像の形成方法
JPS5363108A (en) * 1976-11-17 1978-06-06 Toyo Seikan Kaisha Ltd Printing plate having plural pictures
US4349598A (en) * 1976-12-01 1982-09-14 Minnesota Mining And Manufacturing Company High incidence angle retroreflective material
US4215501A (en) * 1977-12-21 1980-08-05 Ten-O-One Inc. Light efficient display device
US4202600A (en) * 1978-04-24 1980-05-13 Avery International Corporation Diced retroreflective sheeting
JPS57135973A (en) * 1981-02-13 1982-08-21 Takashi Nosaka Indication of sign, illumination and the like
AU566036B2 (en) * 1983-06-07 1987-10-08 Kerb-Lite Pty. Ltd. Street number display device
US4588258A (en) * 1983-09-12 1986-05-13 Minnesota Mining And Manufacturing Company Cube-corner retroreflective articles having wide angularity in multiple viewing planes
AU560276B2 (en) * 1983-09-12 1987-04-02 Minnesota Mining And Manufacturing Company Cube-corner retroreflective articles

Also Published As

Publication number Publication date
AU593400B2 (en) 1990-02-08
AR247036A1 (es) 1994-10-31
JP2840243B2 (ja) 1998-12-24
TR23086A (tr) 1989-03-13
ATE79181T1 (de) 1992-08-15
MX161402A (es) 1990-09-21
GR3005633T3 (en]) 1993-06-07
BR8706236A (pt) 1988-06-28
EP0269327A2 (en) 1988-06-01
CN1010350B (zh) 1990-11-07
AU8018987A (en) 1988-05-26
ES2033877T3 (es) 1993-04-01
KR880006423A (ko) 1988-07-22
CN87107846A (zh) 1988-06-15
ZA877806B (en) 1989-05-30
DE3780918T2 (de) 1993-01-14
JPS63143586A (ja) 1988-06-15
EP0269327A3 (en) 1988-09-14
DE3780918D1 (de) 1992-09-10
US4726134A (en) 1988-02-23
CA1276459C (en) 1990-11-20
EP0269327B1 (en) 1992-08-05

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