FR1256001A - Leaf endowed with a reflex reflection power - Google Patents

Leaf endowed with a reflex reflection power

Info

Publication number
FR1256001A
FR1256001A FR817609A FR817609A FR1256001A FR 1256001 A FR1256001 A FR 1256001A FR 817609 A FR817609 A FR 817609A FR 817609 A FR817609 A FR 817609A FR 1256001 A FR1256001 A FR 1256001A
Authority
FR
France
Prior art keywords
endowed
leaf
reflection power
reflex reflection
reflex
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
FR817609A
Other languages
French (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.)
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
Application granted granted Critical
Publication of FR1256001A publication Critical patent/FR1256001A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • 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
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/602—Lenticular screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Road Signs Or Road Markings (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
FR817609A 1959-02-04 1960-02-04 Leaf endowed with a reflex reflection power Expired FR1256001A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79116559A 1959-02-04 1959-02-04

Publications (1)

Publication Number Publication Date
FR1256001A true FR1256001A (en) 1961-03-17

Family

ID=25152866

Family Applications (1)

Application Number Title Priority Date Filing Date
FR817609A Expired FR1256001A (en) 1959-02-04 1960-02-04 Leaf endowed with a reflex reflection power

Country Status (3)

Country Link
DE (1) DE1194800B (en)
FR (1) FR1256001A (en)
GB (1) GB940424A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023889A (en) * 1975-02-24 1977-05-17 Morgan Adhesives Company Retroreflective laminate
GB2321814B (en) * 1997-01-28 2001-02-14 British Broadcasting Corp Video imaging
DE60031240T2 (en) 1999-01-14 2007-08-23 Reflec Plc, Winsford RETROREFLECTIVE INKS
US8840956B2 (en) 2008-10-31 2014-09-23 Potters Industries, Llc Retroreflective coating and method for applying a retroreflective coating on a structure
US8647013B2 (en) 2010-02-09 2014-02-11 Potters Industries, Llc Reflective substrate surface system, reflective assembly, and methods of improving the visibility of a substrate surface

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2326634A (en) * 1941-12-26 1943-08-10 Minnesota Mining & Mfg Reflex light reflector
US2379741A (en) * 1943-01-23 1945-07-03 Minnesota Mining & Mfg Reflex light reflector
CH288203A (en) * 1949-12-07 1953-01-15 Minnesota Mining & Mfg Light reflectors.

Also Published As

Publication number Publication date
DE1194800B (en) 1965-06-16
GB940424A (en) 1963-10-30

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