IT7821682A0 - Foglio a specchi tripli. - Google Patents

Foglio a specchi tripli.

Info

Publication number
IT7821682A0
IT7821682A0 IT7821682A IT2168278A IT7821682A0 IT 7821682 A0 IT7821682 A0 IT 7821682A0 IT 7821682 A IT7821682 A IT 7821682A IT 2168278 A IT2168278 A IT 2168278A IT 7821682 A0 IT7821682 A0 IT 7821682A0
Authority
IT
Italy
Prior art keywords
mirror sheet
triple mirror
triple
sheet
mirror
Prior art date
Application number
IT7821682A
Other languages
English (en)
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of IT7821682A0 publication Critical patent/IT7821682A0/it

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Geometry (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
IT7821682A 1977-03-30 1978-03-28 Foglio a specchi tripli. IT7821682A0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2714001 1977-03-30

Publications (1)

Publication Number Publication Date
IT7821682A0 true IT7821682A0 (it) 1978-03-28

Family

ID=6005063

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7821682A IT7821682A0 (it) 1977-03-30 1978-03-28 Foglio a specchi tripli.

Country Status (2)

Country Link
FR (1) FR2386059A1 (it)
IT (1) IT7821682A0 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5122902A (en) * 1989-03-31 1992-06-16 Minnesota Mining And Manufacturing Company Retroreflective articles having light-transmissive surfaces
US6036322A (en) 1997-12-01 2000-03-14 Reflexite Corporation Multi-orientation retroreflective structure

Also Published As

Publication number Publication date
FR2386059A1 (fr) 1978-10-27

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