[특허]Electromechanical transducer

Electromechanical transducer

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G09B-021/00 H01L-041/04
출원번호	US-0956647 (1992-10-02)
우선권정보	DE-0133000 (1991-10-04)
발명자 / 주소	Kipke Siegfried (Horber Gaessle 13 7240 Horb-Nordstetten DEX)
인용정보	피인용 횟수 : 86 인용 특허 : 0

초록 ▼

An electromechanical transducer comprise a piezoelectric transducer element (5), which is arranged in a pressurized chamber (3) filled with a fluid (4). The piezoelectric transducer element (5) can comprise a plurality of piezoceramic platelets connected with each other by thin-walled metallic contact platelets, which are also connected electrically to connector pins (10) on the outside of a housing (1) in which the pressurized chamber (3) is located. When a controlling voltage is applied to the connector pins, the transducer element (5) experiences a reversible deformation, which is transmitted to the fluid, so that an operating element (14) is raised above a contacting surface (16) according to the force on the fluid. The transducer element (5) can be separated from the fluid (4) by a membrane (17). The platelets can be connected to the connector pins via spring-like resilient conductive contact pieces for maintaining electrical contact when the piezoceramic platelets are in a deformed activated state. In the case of Braille modules for representing information for the blind the operating element (14) can be a pin detectable by touch. An array of modules of this type can be used to represent graphical information as well as letters and numbers.

대표청구항 ▼

An electromechanical transducer comprising at least one piezoelectric transducer element (5) structured to convert an electrical signal applied to said at least one piezoelectric transducer element into a reversible deformation of said at least one piezoelectric transducer element and also convert a force applied to said at least one piezoelectric transducer element into an electrical signal; a pressurized chamber (3) with an opening (11), said at least one piezoelectric transducer element (5) being located in said pressurized chamber (3); a fluid (4) filling said pressurized chamber; means (7) for making an electrical connection to said at least one piezoelectric transducer element for applying a voltage to said at least one piezoelectric transducer (5) to deform said at least one piezoelectric transducer element (5) so as to force a portion of said fluid through said opening of said pressurized chamber (3) and also for detecting a change in an electrical property of said at least one piezoelectric transducer element in response to a change in a pressure applied to said at least one piezoelectric element (5); and an operating element consisting of an elastically deformable wall (27) covering said opening (11).

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Parker, John; Jaeger, Hans; Peclat, Christian M., Piezoelectric bone conduction device having enhanced transducer stroke.
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Prince, Troy S.; Skebe, Gerard G.; Lisy, Frederick J.; Schmidt, Robert N., Refreshable braille display system with a flexible surface.
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Decker Lawrence H. (Christiansburg VA), Refreshable braille-cell display implemented with shape memory alloys.
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Ciesla, Craig Michael; Yairi, Micah B., User interface system.
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Ciesla, Craig; Yairi, Micah, User interface system.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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연합인증

Electromechanical transducer

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (86)

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연합인증

Electromechanical transducer

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

이 특허를 인용한 특허 (86)

관련 콘텐츠

특허 원문 보기

IPC 상위 출원인

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