GB1545761A - Bistable electret system - Google Patents

Bistable electret system

Info

Publication number
GB1545761A
GB1545761A GB110/78A GB11078A GB1545761A GB 1545761 A GB1545761 A GB 1545761A GB 110/78 A GB110/78 A GB 110/78A GB 11078 A GB11078 A GB 11078A GB 1545761 A GB1545761 A GB 1545761A
Authority
GB
United Kingdom
Prior art keywords
bistable
electret system
electret
bistable electret
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
GB110/78A
Other languages
English (en)
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 GB1545761A publication Critical patent/GB1545761A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
    • H02N1/002—Electrostatic motors
    • H02N1/006—Electrostatic motors of the gap-closing type
    • 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
    • G09F9/302—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 characterised by the form or geometrical disposition of the individual elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H59/00—Electrostatic relays; Electro-adhesion relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H59/00—Electrostatic relays; Electro-adhesion relays
    • H01H2059/009—Electrostatic relays; Electro-adhesion relays using permanently polarised dielectric layers

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)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
GB110/78A 1977-01-04 1978-01-03 Bistable electret system Expired GB1545761A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7700075A FR2376549A1 (fr) 1977-01-04 1977-01-04 Systeme bistable a electrets

Publications (1)

Publication Number Publication Date
GB1545761A true GB1545761A (en) 1979-05-16

Family

ID=9185108

Family Applications (1)

Application Number Title Priority Date Filing Date
GB110/78A Expired GB1545761A (en) 1977-01-04 1978-01-03 Bistable electret system

Country Status (6)

Country Link
US (1) US4163162A (US06330241-20011211-M00004.png)
JP (1) JPS5385123A (US06330241-20011211-M00004.png)
DE (1) DE2800342A1 (US06330241-20011211-M00004.png)
FR (1) FR2376549A1 (US06330241-20011211-M00004.png)
GB (1) GB1545761A (US06330241-20011211-M00004.png)
IT (1) IT1101906B (US06330241-20011211-M00004.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4564836A (en) * 1981-07-02 1986-01-14 Centre Electronique Horloger S.A. Miniature shutter type display device with multiplexing capability
GB2251511A (en) * 1991-01-04 1992-07-08 Rank Brimar Ltd Display device.

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4336536A (en) * 1979-12-17 1982-06-22 Kalt Charles G Reflective display and method of making same
NL8402038A (nl) * 1984-06-28 1986-01-16 Philips Nv Elektroskopische beeldweergeefinrichting.
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
FR2595145B1 (fr) * 1986-02-28 1989-03-31 Thomson Csf Systeme de visualisation a memoire
CH670914A5 (US06330241-20011211-M00004.png) * 1986-09-10 1989-07-14 Landis & Gyr Ag
JPH0344713A (ja) * 1989-07-12 1991-02-26 Omron Corp 静電駆動装置および静電駆動装置の制御回路
CA2072199C (en) * 1991-06-24 1997-11-11 Fumihiro Kasano Electrostatic relay
GB9309327D0 (en) * 1993-05-06 1993-06-23 Smith Charles G Bi-stable memory element
FR2727215B1 (fr) * 1994-11-18 1996-12-20 Thomson Csf Dispositif de veille panoramique infrarouge statique a detecteurs matriciels multiples
FR2750487B1 (fr) * 1996-06-28 2005-10-21 Thomson Csf Revetement pour la protection personnelle d'un fantassin
DE19730443A1 (de) * 1997-07-16 1999-01-21 Deutsch Zentr Luft & Raumfahrt Mikromechanische Vorrichtung
IT1303597B1 (it) * 1998-12-09 2000-11-14 Fiat Ricerche Dispositivo ottico e stato di funzionamento variabile, in particolareotturatore o specchio, a controllo elettrostatico.
EE05070B1 (et) 2006-09-08 2008-08-15 Liiv Jüri Meetod elektreetemulsioonil p?hineva aktiivelemendi materjali valmistamiseks
CN113195399A (zh) * 2018-10-16 2021-07-30 弗劳恩霍夫应用研究促进协会 作为致动器的弯曲换能器、作为传感器的弯曲换能器、以及弯曲换能器系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3617806A (en) * 1969-11-13 1971-11-02 Ralph G Lillevang Ion switch
US3896274A (en) * 1973-10-04 1975-07-22 Thermo Electron Corp Electret earphone
FR2294535A1 (fr) * 1974-12-10 1976-07-09 Lewiner Jacques Perfectionnements aux dispositifs de commande du genre des relais
FR2296297A1 (fr) * 1974-12-27 1976-07-23 Thomson Csf Dispositif commutateur a commande electrique de deplacement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4564836A (en) * 1981-07-02 1986-01-14 Centre Electronique Horloger S.A. Miniature shutter type display device with multiplexing capability
GB2251511A (en) * 1991-01-04 1992-07-08 Rank Brimar Ltd Display device.

Also Published As

Publication number Publication date
DE2800342A1 (de) 1978-07-13
US4163162A (en) 1979-07-31
FR2376549B1 (US06330241-20011211-M00004.png) 1979-04-20
FR2376549A1 (fr) 1978-07-28
JPS5385123A (en) 1978-07-27
IT1101906B (it) 1985-10-07
IT7847509A0 (it) 1978-01-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee