NL7808984A - Electreteninrichting. - Google Patents

Electreteninrichting.

Info

Publication number
NL7808984A
NL7808984A NL7808984A NL7808984A NL7808984A NL 7808984 A NL7808984 A NL 7808984A NL 7808984 A NL7808984 A NL 7808984A NL 7808984 A NL7808984 A NL 7808984A NL 7808984 A NL7808984 A NL 7808984A
Authority
NL
Netherlands
Prior art keywords
electrical device
electrical
Prior art date
Application number
NL7808984A
Other languages
English (en)
Dutch (nl)
Original Assignee
Thomson Csf
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 Thomson Csf filed Critical Thomson Csf
Publication of NL7808984A publication Critical patent/NL7808984A/xx

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/095—Traffic lights
    • 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
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements
    • G09F9/372—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements the positions of the elements being controlled by the application of an electric field

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Road Signs Or Road Markings (AREA)
NL7808984A 1977-09-02 1978-09-01 Electreteninrichting. NL7808984A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7726693A FR2402220A1 (fr) 1977-09-02 1977-09-02 Dispositif a electrets et systeme d'affichage lumineux comprenant un tel dispositif

Publications (1)

Publication Number Publication Date
NL7808984A true NL7808984A (nl) 1979-03-06

Family

ID=9194993

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7808984A NL7808984A (nl) 1977-09-02 1978-09-01 Electreteninrichting.

Country Status (7)

Country Link
JP (1) JPS5449100A (de)
BE (1) BE870113A (de)
DE (1) DE2838277C3 (de)
FR (1) FR2402220A1 (de)
GB (1) GB2006944B (de)
LU (1) LU80175A1 (de)
NL (1) NL7808984A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4736202A (en) * 1984-08-21 1988-04-05 Bos-Knox, Ltd. Electrostatic binary switching and memory devices
WO1986001627A1 (en) * 1984-08-21 1986-03-13 Simpson George R Array of electrostatically actuated binary devices
US4794370A (en) * 1984-08-21 1988-12-27 Bos-Knox Ltd. Peristaltic electrostatic binary device
IT1303597B1 (it) * 1998-12-09 2000-11-14 Fiat Ricerche Dispositivo ottico e stato di funzionamento variabile, in particolareotturatore o specchio, a controllo elettrostatico.
US6427910B1 (en) * 1999-12-17 2002-08-06 International Business Machines Corporation Method for managing and updating overloaded cards

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3897997A (en) * 1974-02-01 1975-08-05 Charles G Kalt Electrostatic display device with variable reflectivity

Also Published As

Publication number Publication date
GB2006944B (en) 1982-01-13
LU80175A1 (fr) 1979-02-12
BE870113A (fr) 1978-12-18
FR2402220B1 (de) 1982-01-08
DE2838277C3 (de) 1981-10-01
JPS5449100A (en) 1979-04-18
DE2838277A1 (de) 1979-03-08
GB2006944A (en) 1979-05-10
FR2402220A1 (fr) 1979-03-30
DE2838277B2 (de) 1981-01-22

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BC A request for examination has been filed
BV The patent application has lapsed