AT369570B - DEVICE FOR SIGNS FOR SELECTIVE TRANSMISSION OF INFORMATION OR. THE INVISIBILITY OF THE SAME - Google Patents

DEVICE FOR SIGNS FOR SELECTIVE TRANSMISSION OF INFORMATION OR. THE INVISIBILITY OF THE SAME

Info

Publication number
AT369570B
AT369570B AT0843475A AT843475A AT369570B AT 369570 B AT369570 B AT 369570B AT 0843475 A AT0843475 A AT 0843475A AT 843475 A AT843475 A AT 843475A AT 369570 B AT369570 B AT 369570B
Authority
AT
Austria
Prior art keywords
invisibility
signs
information
same
selective transmission
Prior art date
Application number
AT0843475A
Other languages
German (de)
Other versions
ATA843475A (en
Original Assignee
Norlux As
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 Norlux As filed Critical Norlux As
Publication of ATA843475A publication Critical patent/ATA843475A/en
Application granted granted Critical
Publication of AT369570B publication Critical patent/AT369570B/en

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/34—Illuminated signs; Luminous advertising with light sources co-operating with movable members, e.g. with shutters to cover or uncover the light source
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/24—Illuminated signs; Luminous advertising using tubes or the like filled with liquid, e.g. bubbling liquid
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Road Signs Or Road Markings (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
AT0843475A 1974-11-06 1975-11-06 DEVICE FOR SIGNS FOR SELECTIVE TRANSMISSION OF INFORMATION OR. THE INVISIBILITY OF THE SAME AT369570B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO743993A NO141134C (en) 1974-11-06 1974-11-06 DETAILS FOR SELECTIVE PRESENTATION OF TEXT OR SYMBOLS

Publications (2)

Publication Number Publication Date
ATA843475A ATA843475A (en) 1982-05-15
AT369570B true AT369570B (en) 1983-01-10

Family

ID=19881922

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0843475A AT369570B (en) 1974-11-06 1975-11-06 DEVICE FOR SIGNS FOR SELECTIVE TRANSMISSION OF INFORMATION OR. THE INVISIBILITY OF THE SAME

Country Status (11)

Country Link
AT (1) AT369570B (en)
BE (1) BE835313A (en)
DE (1) DE2549944A1 (en)
DK (1) DK497575A (en)
FI (1) FI60618C (en)
FR (1) FR2290719A1 (en)
GB (1) GB1503787A (en)
IT (1) IT1050623B (en)
NL (1) NL7513031A (en)
NO (1) NO141134C (en)
SE (1) SE7512407L (en)

Also Published As

Publication number Publication date
FR2290719B3 (en) 1979-09-21
GB1503787A (en) 1978-03-15
NO141134C (en) 1980-01-16
SE7512407L (en) 1976-05-07
BE835313A (en) 1976-03-01
NO141134B (en) 1979-10-08
ATA843475A (en) 1982-05-15
FR2290719A1 (en) 1976-06-04
DE2549944A1 (en) 1976-07-29
NL7513031A (en) 1976-05-10
DK497575A (en) 1976-05-07
NO743993L (en) 1976-05-07
IT1050623B (en) 1981-03-20
FI60618B (en) 1981-10-30
FI60618C (en) 1982-02-10
FI753087A (en) 1976-05-07

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee