CA996529A - Retrodirective reflector visible over wide range of observation angles - Google Patents

Retrodirective reflector visible over wide range of observation angles

Info

Publication number
CA996529A
CA996529A CA195,532A CA195532A CA996529A CA 996529 A CA996529 A CA 996529A CA 195532 A CA195532 A CA 195532A CA 996529 A CA996529 A CA 996529A
Authority
CA
Canada
Prior art keywords
wide range
over wide
observation angles
visible over
retrodirective reflector
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
CA195,532A
Other versions
CA195532S (en
Inventor
Sidney A. Heenan
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.)
Amerace Corp
Original Assignee
Amerace Corp
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 Amerace Corp filed Critical Amerace Corp
Application granted granted Critical
Publication of CA996529A publication Critical patent/CA996529A/en
Expired 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
    • G02B5/122—Reflex reflectors cube corner, trihedral or triple reflector type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/122—Reflex reflectors cube corner, trihedral or triple reflector type
    • G02B5/124—Reflex reflectors cube corner, trihedral or triple reflector type plural reflecting elements forming part of a unitary plate or sheet

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
CA195,532A 1973-05-22 1974-03-20 Retrodirective reflector visible over wide range of observation angles Expired CA996529A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00362653A US3833285A (en) 1973-05-22 1973-05-22 Retrodirective reflector visible over wide range of observation angles

Publications (1)

Publication Number Publication Date
CA996529A true CA996529A (en) 1976-09-07

Family

ID=23426988

Family Applications (1)

Application Number Title Priority Date Filing Date
CA195,532A Expired CA996529A (en) 1973-05-22 1974-03-20 Retrodirective reflector visible over wide range of observation angles

Country Status (6)

Country Link
US (1) US3833285A (en)
CA (1) CA996529A (en)
DE (1) DE2419629A1 (en)
FR (1) FR2231020B1 (en)
GB (1) GB1458434A (en)
IT (1) IT1014202B (en)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU560276B2 (en) * 1983-09-12 1987-04-02 Minnesota Mining And Manufacturing Company Cube-corner retroreflective articles
US4938563A (en) 1986-11-21 1990-07-03 Minnesota Mining And Manufacturing Company High efficiency cube corner retroflective material
US4775219A (en) 1986-11-21 1988-10-04 Minnesota Mining & Manufacturing Company Cube-corner retroreflective articles having tailored divergence profiles
US4726134A (en) * 1986-11-21 1988-02-23 Minnesota Mining And Manufacturing Company Roadway sign
US4895428A (en) * 1988-07-26 1990-01-23 Minnesota Mining And Manufacturing Company High efficiency retroreflective material
US5122902A (en) * 1989-03-31 1992-06-16 Minnesota Mining And Manufacturing Company Retroreflective articles having light-transmissive surfaces
US5138488A (en) * 1990-09-10 1992-08-11 Minnesota Mining And Manufacturing Company Retroreflective material with improved angularity
FR2674637B1 (en) * 1991-03-28 1993-07-16 Aerospatiale LARGE DISTANCE LASER TELEMETRY DEVICE.
CA2060703C (en) * 1992-02-05 1995-10-17 Italo Caroli Lens and method of making same
US5393166A (en) * 1993-05-10 1995-02-28 Target Recycling Inc. Reflective marker from recyclable material
FR2714737B1 (en) * 1993-12-31 1996-03-29 Aerospatiale Retroreflector for laser geodesy, with omnidirectional speed aberration correction.
US6015214A (en) 1996-05-30 2000-01-18 Stimsonite Corporation Retroreflective articles having microcubes, and tools and methods for forming microcubes
US6253442B1 (en) * 1997-07-02 2001-07-03 3M Innovative Properties Company Retroreflective cube corner sheeting mold and method for making the same
US5981032A (en) * 1997-07-02 1999-11-09 3M Innovative Properties Company Retroreflective cube corner sheeting mold and sheeting formed therefrom
CA2303782A1 (en) * 1997-09-25 1999-04-01 Minnesota Mining And Manufacturing Company Dual use reflective article
AU6893798A (en) * 1997-09-25 1999-04-12 Minnesota Mining And Manufacturing Company Reflective article incorporating highly nonorthogonal reflecting surfaces
US6036322A (en) * 1997-12-01 2000-03-14 Reflexite Corporation Multi-orientation retroreflective structure
DE10119671A1 (en) * 2001-04-20 2002-10-24 Sen Hans-Erich Gubela Deflecting mirror structure consisting of a large number of triples
US6984047B2 (en) 2001-06-11 2006-01-10 Avery Dennison Corporation Retroreflector with controlled divergence made by the method of groove undulation
DE10216579A1 (en) * 2002-04-14 2003-10-23 Sen Hans-Erich Gubela Wide-angle sensor system with triple reflector and production of the tools
US7018573B2 (en) * 2002-10-08 2006-03-28 Eastman Kodak Company Method for making a modified cube corner retro-reflective screen
US6871966B2 (en) * 2002-12-12 2005-03-29 Avery Dennison Corporation Retroreflector with controlled divergence made by the method of localized substrate stress
EP2442147B1 (en) 2003-03-06 2017-04-19 3M Innovative Properties Co. Lamina comprising cube corner elements and retroreflective sheeting
US7152983B2 (en) 2003-03-06 2006-12-26 3M Innovative Properties Company Lamina comprising cube corner elements and retroreflective sheeting
US7370981B2 (en) * 2003-12-24 2008-05-13 Avery Dennison Corporation Cube corner retroreflector with limited range
US8177374B2 (en) * 2005-06-16 2012-05-15 Avery Dennison Corporation Retroreflective sheet structure
DE102005063331A1 (en) * 2005-06-23 2006-12-28 Imos Gubela Gmbh Light reflecting triplet, for light barrier corner reflectors, has three mirror surfaces with light entries part covered with diffraction pattern carrying covers
US8268435B2 (en) * 2005-09-26 2012-09-18 Avery Dennison Corporation Retroreflective sheeting
EP2047304A1 (en) * 2006-07-17 2009-04-15 Avery Dennison Corporation Method of making an array of aberrated optical elements
US7506987B2 (en) * 2007-03-02 2009-03-24 Technology Solutions & Invention Llc Two-sided corner-cube retroreflectors and methods of manufacturing the same
WO2009028162A1 (en) 2007-08-24 2009-03-05 Nippon Carbide Industries Co., Inc Cube corner retroreflective article
US9124004B2 (en) * 2012-05-10 2015-09-01 Roy Rard Low profile conforming radar reflector
US20160011346A1 (en) 2014-07-14 2016-01-14 Sergiy Vasylyev High incidence angle retroreflective sheeting
WO2017156448A1 (en) * 2016-03-11 2017-09-14 Mirraviz, Inc. Customized reflection profiles for retro-reflective display system optimization
EP3583452A4 (en) 2017-02-14 2021-03-17 3M Innovative Properties Company Non-orthogonal cube corner elements and arrays thereof made by end milling
TWI756466B (en) * 2017-08-29 2022-03-01 美商艾維利 丹尼森公司 Retroreflective sheeting for projector-based display system
DE102018112043B4 (en) 2018-05-18 2022-01-13 Hans-Erich Gubela Arrangement of a retroreflector with optical elements
US11280659B2 (en) * 2019-08-23 2022-03-22 Endress+Hauser SE+Co. KG Reflector for radar-based fill level detection
US12271009B2 (en) * 2023-07-07 2025-04-08 Northern Digital Inc. Retro-reflective marker with uniformly distributed microelements

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR559726A (en) * 1922-01-12 1923-09-20 Reflector refinements
US1671086A (en) * 1923-07-09 1928-05-22 Jonathan C Stimson Reflecting device
US2029375A (en) * 1931-02-26 1936-02-04 W P Montgomery Reflector
US2055298A (en) * 1932-12-31 1936-09-22 Leray Gustave Light reflector
US2216325A (en) * 1939-04-21 1940-10-01 Nat Colortype Company Prismatic reflecting structure
US2682807A (en) * 1949-12-10 1954-07-06 Gen Motors Corp Signal reflector
FR1240121A (en) * 1959-07-29 1960-09-02 E Manducher & Co Sa Wide field translucent tetrahedral reflector
FR1270464A (en) * 1960-10-19 1961-08-25 Catadioptric reflector

Also Published As

Publication number Publication date
DE2419629A1 (en) 1974-12-12
GB1458434A (en) 1976-12-15
IT1014202B (en) 1977-04-20
FR2231020B1 (en) 1979-09-28
US3833285A (en) 1974-09-03
FR2231020A1 (en) 1974-12-20

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