CA1276459C - Roadway sign - Google Patents
Roadway signInfo
- Publication number
- CA1276459C CA1276459C CA000549816A CA549816A CA1276459C CA 1276459 C CA1276459 C CA 1276459C CA 000549816 A CA000549816 A CA 000549816A CA 549816 A CA549816 A CA 549816A CA 1276459 C CA1276459 C CA 1276459C
- Authority
- CA
- Canada
- Prior art keywords
- sign
- retroreflective
- background
- indicia
- legibility
- 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 - Lifetime
Links
- 230000000052 comparative effect Effects 0.000 description 15
- 239000000463 material Substances 0.000 description 12
- 239000003981 vehicle Substances 0.000 description 12
- 238000013459 approach Methods 0.000 description 11
- 230000007423 decrease Effects 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229920006267 polyester film Polymers 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 239000004005 microsphere Substances 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920006289 polycarbonate film Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 230000004304 visual acuity Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- -1 e.g. Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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)
- Traffic Control Systems (AREA)
- Optical Elements Other Than Lenses (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US933,739 | 1986-11-21 | ||
| US06/933,739 US4726134A (en) | 1986-11-21 | 1986-11-21 | Roadway sign |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1276459C true CA1276459C (en) | 1990-11-20 |
Family
ID=25464425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000549816A Expired - Lifetime CA1276459C (en) | 1986-11-21 | 1987-10-21 | Roadway sign |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US4726134A (forum.php) |
| EP (1) | EP0269327B1 (forum.php) |
| JP (1) | JP2840243B2 (forum.php) |
| KR (1) | KR880006423A (forum.php) |
| CN (1) | CN1010350B (forum.php) |
| AR (1) | AR247036A1 (forum.php) |
| AT (1) | ATE79181T1 (forum.php) |
| AU (1) | AU593400B2 (forum.php) |
| BR (1) | BR8706236A (forum.php) |
| CA (1) | CA1276459C (forum.php) |
| DE (1) | DE3780918T2 (forum.php) |
| ES (1) | ES2033877T3 (forum.php) |
| GR (1) | GR3005633T3 (forum.php) |
| IN (1) | IN170199B (forum.php) |
| MX (1) | MX161402A (forum.php) |
| TR (1) | TR23086A (forum.php) |
| ZA (1) | ZA877806B (forum.php) |
Families Citing this family (24)
| 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 |
| WO1993008555A1 (en) * | 1991-10-15 | 1993-04-29 | Minnesota Mining And Manufacturing Company | Information display device |
| 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 |
| US7451041B2 (en) * | 2005-05-06 | 2008-11-11 | Facet Technology Corporation | Network-based navigation system having virtual drive-thru advertisements integrated with actual imagery from along a physical route |
| US8268435B2 (en) * | 2005-09-26 | 2012-09-18 | Avery Dennison Corporation | Retroreflective sheeting |
| 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. |
| WO2010048416A1 (en) | 2008-10-22 | 2010-04-29 | 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)
| 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 (forum.php) * | 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 |
-
1986
- 1986-11-21 US US06/933,739 patent/US4726134A/en not_active Expired - Lifetime
-
1987
- 1987-10-16 ZA ZA877806A patent/ZA877806B/xx unknown
- 1987-10-21 CA CA000549816A patent/CA1276459C/en not_active Expired - Lifetime
- 1987-10-26 IN IN773/MAS/87A patent/IN170199B/en unknown
- 1987-10-27 AU AU80189/87A patent/AU593400B2/en not_active Ceased
- 1987-11-04 MX MX9131A patent/MX161402A/es unknown
- 1987-11-13 EP EP87310049A patent/EP0269327B1/en not_active Expired - Lifetime
- 1987-11-13 TR TR780/87A patent/TR23086A/xx unknown
- 1987-11-13 ES ES198787310049T patent/ES2033877T3/es not_active Expired - Lifetime
- 1987-11-13 AT AT87310049T patent/ATE79181T1/de active
- 1987-11-13 DE DE8787310049T patent/DE3780918T2/de not_active Expired - Lifetime
- 1987-11-17 CN CN87107846A patent/CN1010350B/zh not_active Expired
- 1987-11-18 AR AR87309336A patent/AR247036A1/es active
- 1987-11-19 BR BR8706236A patent/BR8706236A/pt not_active IP Right Cessation
- 1987-11-20 KR KR870013072A patent/KR880006423A/ko not_active Ceased
- 1987-11-20 JP JP62293905A patent/JP2840243B2/ja not_active Expired - Lifetime
-
1992
- 1992-09-07 GR GR920401963T patent/GR3005633T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| TR23086A (tr) | 1989-03-13 |
| ATE79181T1 (de) | 1992-08-15 |
| JPS63143586A (ja) | 1988-06-15 |
| CN87107846A (zh) | 1988-06-15 |
| KR880006423A (ko) | 1988-07-22 |
| EP0269327A2 (en) | 1988-06-01 |
| DE3780918T2 (de) | 1993-01-14 |
| EP0269327B1 (en) | 1992-08-05 |
| IN170199B (forum.php) | 1992-02-22 |
| EP0269327A3 (en) | 1988-09-14 |
| BR8706236A (pt) | 1988-06-28 |
| ES2033877T3 (es) | 1993-04-01 |
| ZA877806B (en) | 1989-05-30 |
| GR3005633T3 (forum.php) | 1993-06-07 |
| AU8018987A (en) | 1988-05-26 |
| DE3780918D1 (de) | 1992-09-10 |
| JP2840243B2 (ja) | 1998-12-24 |
| MX161402A (es) | 1990-09-21 |
| US4726134A (en) | 1988-02-23 |
| AR247036A1 (es) | 1994-10-31 |
| CN1010350B (zh) | 1990-11-07 |
| AU593400B2 (en) | 1990-02-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed | ||
| MKLA | Lapsed |
Effective date: 20041122 |
|
| MKLA | Lapsed |
Effective date: 20041122 |