FR2399555A1 - Dispositif d'actionnement par effet piezo-electrique - Google Patents

Dispositif d'actionnement par effet piezo-electrique

Info

Publication number
FR2399555A1
FR2399555A1 FR7724320A FR7724320A FR2399555A1 FR 2399555 A1 FR2399555 A1 FR 2399555A1 FR 7724320 A FR7724320 A FR 7724320A FR 7724320 A FR7724320 A FR 7724320A FR 2399555 A1 FR2399555 A1 FR 2399555A1
Authority
FR
France
Prior art keywords
holes
rods
panel
blind
display panel
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.)
Granted
Application number
FR7724320A
Other languages
English (en)
Other versions
FR2399555B1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7724320A priority Critical patent/FR2399555A1/fr
Priority to US05/825,116 priority patent/US4305067A/en
Priority to SE7808344A priority patent/SE7808344L/xx
Priority to GB7831914A priority patent/GB2002564A/en
Priority to DE19782833979 priority patent/DE2833979A1/de
Priority to BR7804990A priority patent/BR7804990A/pt
Priority to ES472351A priority patent/ES472351A1/es
Priority to AU38669/78A priority patent/AU3866978A/en
Priority to JP9503978A priority patent/JPS5472128A/ja
Publication of FR2399555A1 publication Critical patent/FR2399555A1/fr
Application granted granted Critical
Publication of FR2399555B1 publication Critical patent/FR2399555B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B21/00—Teaching, or communicating with, the blind, deaf or mute
    • G09B21/001—Teaching or communicating with blind persons

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

L'invention concerne un dispositif d'actionnement par effet piézo-électrique. Ce dispositif est remarquable en ce qu'il comporte deux lames piézo-électriques bimorphes sensiblement parallèles entre elles et présentant chacune une extrémité fixe et une extrémité articulée à une billette, les extrémités libres des deux biellettes étant articulées entre elles, tandis qu'une source de tension susceptible de prendre au moins deux valeurs distinctes est connectée sur les lames de manière à à pouvoir établir au moins une différence de potentiel entre les électrodes des deux faces opposées des lames et les électrodes des deux faces en regard de telle sorte que cette différence de potentiel entraîne des courbures vers l'intérieur ou vers l'extérieur des lames et don un mouvement du point d'articulation commun des biellettes auquel peut être fixé ou articulé tout moyen d'actionnement. L'invention est notamment destinée à actionner des picots représentant des points Braille dans un appareil de lecture et/ou d'écriture et/ou de calcul pour aveugles.
FR7724320A 1974-08-22 1977-08-05 Dispositif d'actionnement par effet piezo-electrique Granted FR2399555A1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR7724320A FR2399555A1 (fr) 1977-08-05 1977-08-05 Dispositif d'actionnement par effet piezo-electrique
US05/825,116 US4305067A (en) 1974-08-22 1977-08-16 Electromechanical transducer for relief display panel
GB7831914A GB2002564A (en) 1977-08-05 1978-08-02 Electromechanical transducer for relief display panel
SE7808344A SE7808344L (sv) 1977-08-05 1978-08-02 Elektromekanisk omvandlare
DE19782833979 DE2833979A1 (de) 1977-08-05 1978-08-03 Einrichtung zur reliefartigen abfuehlbaren wiedergabe von daten auf einem feld nach art eines displays
BR7804990A BR7804990A (pt) 1977-08-05 1978-08-03 Dispositivo mostrador em relevo,processo de fabricacao dos meios de acoplamento e de gravacao de caracteres escritos ou impressos em fita magnetica e de leitura dos dados da fita e gravacao magnetica portadora de lados
ES472351A ES472351A1 (es) 1977-08-05 1978-08-04 Dispositivo de representacion en relieve
AU38669/78A AU3866978A (en) 1977-08-05 1978-08-04 Relief display device
JP9503978A JPS5472128A (en) 1977-08-05 1978-08-05 Electromechanical converter for embossment display and method of using said converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7724320A FR2399555A1 (fr) 1977-08-05 1977-08-05 Dispositif d'actionnement par effet piezo-electrique

Publications (2)

Publication Number Publication Date
FR2399555A1 true FR2399555A1 (fr) 1979-03-02
FR2399555B1 FR2399555B1 (fr) 1981-07-03

Family

ID=9194336

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7724320A Granted FR2399555A1 (fr) 1974-08-22 1977-08-05 Dispositif d'actionnement par effet piezo-electrique

Country Status (1)

Country Link
FR (1) FR2399555A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2422866A1 (fr) * 1978-04-14 1979-11-09 Quantel Sa Dispositif d'accouplement, notamment pour embrayage ou frein
DE3706286A1 (de) * 1987-02-26 1988-09-08 Friedrich Horst Ing Papenmeier Elektromechanische braille-zeile
CN108766128A (zh) * 2018-07-05 2018-11-06 浙江理工大学 旋转半球式盲文点显结构
WO2023037084A1 (fr) * 2021-09-13 2023-03-16 Commissariat A L'energie Atomique Et Aux Energies Alternatives Dispositif a surface reconfigurable, notamment afficheur pour afficher des caracteres braille

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3229387A (en) * 1964-01-14 1966-01-18 John G Linvill Reading aid for the blind
NL7306272A (fr) * 1973-05-04 1974-11-06
FR2282677A1 (fr) * 1974-08-22 1976-03-19 Tretiakoff Oleg Calculatrice electronique de poche pour aveugles
US4033053A (en) * 1976-01-14 1977-07-05 Engler Theodore T Digital segment display to braille converter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3229387A (en) * 1964-01-14 1966-01-18 John G Linvill Reading aid for the blind
NL7306272A (fr) * 1973-05-04 1974-11-06
FR2282677A1 (fr) * 1974-08-22 1976-03-19 Tretiakoff Oleg Calculatrice electronique de poche pour aveugles
US4033053A (en) * 1976-01-14 1977-07-05 Engler Theodore T Digital segment display to braille converter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/70 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2422866A1 (fr) * 1978-04-14 1979-11-09 Quantel Sa Dispositif d'accouplement, notamment pour embrayage ou frein
DE3706286A1 (de) * 1987-02-26 1988-09-08 Friedrich Horst Ing Papenmeier Elektromechanische braille-zeile
CN108766128A (zh) * 2018-07-05 2018-11-06 浙江理工大学 旋转半球式盲文点显结构
WO2023037084A1 (fr) * 2021-09-13 2023-03-16 Commissariat A L'energie Atomique Et Aux Energies Alternatives Dispositif a surface reconfigurable, notamment afficheur pour afficher des caracteres braille
FR3127066A1 (fr) * 2021-09-13 2023-03-17 Commissariat A L'energie Atomique Et Aux Energies Alternatives Dispositif a surface reconfigurable, notamment afficheur pour afficher des caracteres braille

Also Published As

Publication number Publication date
FR2399555B1 (fr) 1981-07-03

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