JPS5449100A - Electret and light emitting display system having same - Google Patents

Electret and light emitting display system having same

Info

Publication number
JPS5449100A
JPS5449100A JP10802778A JP10802778A JPS5449100A JP S5449100 A JPS5449100 A JP S5449100A JP 10802778 A JP10802778 A JP 10802778A JP 10802778 A JP10802778 A JP 10802778A JP S5449100 A JPS5449100 A JP S5449100A
Authority
JP
Japan
Prior art keywords
electret
light emitting
same
display system
emitting display
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.)
Pending
Application number
JP10802778A
Other languages
English (en)
Japanese (ja)
Inventor
Reimon Marushii
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 SA filed Critical Thomson CSF SA
Publication of JPS5449100A publication Critical patent/JPS5449100A/ja
Pending legal-status Critical Current

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)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Road Signs Or Road Markings (AREA)
JP10802778A 1977-09-02 1978-09-01 Electret and light emitting display system having same Pending JPS5449100A (en)

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
JPS5449100A true JPS5449100A (en) 1979-04-18

Family

ID=9194993

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10802778A Pending JPS5449100A (en) 1977-09-02 1978-09-01 Electret and light emitting display system having same

Country Status (7)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61503057A (ja) * 1984-08-21 1986-12-25 シンプソン，ジヨ−ジ　ア−ル． 静電作動２進装置アレイ
US4794370A (en) * 1984-08-21 1988-12-27 Bos-Knox Ltd. Peristaltic electrostatic binary device
US4736202A (en) * 1984-08-21 1988-04-05 Bos-Knox, Ltd. Electrostatic binary switching and memory devices
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
DE2838277A1 (de) 1979-03-08
NL7808984A (nl) 1979-03-06
BE870113A (fr) 1978-12-18
FR2402220B1 (fr) 1982-01-08
DE2838277C3 (de) 1981-10-01
GB2006944B (en) 1982-01-13
LU80175A1 (fr) 1979-02-12
GB2006944A (en) 1979-05-10
DE2838277B2 (de) 1981-01-22
FR2402220A1 (fr) 1979-03-30

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