KR870007474A - 전기 신호 전송 소자 - Google Patents

전기 신호 전송 소자 Download PDF

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Publication number
KR870007474A
KR870007474A KR870000736A KR870000736A KR870007474A KR 870007474 A KR870007474 A KR 870007474A KR 870000736 A KR870000736 A KR 870000736A KR 870000736 A KR870000736 A KR 870000736A KR 870007474 A KR870007474 A KR 870007474A
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KR
South Korea
Prior art keywords
signal transmission
transmission element
electrical signal
ultrasonic
transducer
Prior art date
Application number
KR870000736A
Other languages
English (en)
Other versions
KR910004441B1 (ko
Inventor
다께오 요꼬야마
히데도시 야마조에
Original Assignee
쓰찌다 요시오
쇼화 덴센 덴란 가부시끼가이샤
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
Priority claimed from JP61089020A external-priority patent/JPS62245743A/ja
Application filed by 쓰찌다 요시오, 쇼화 덴센 덴란 가부시끼가이샤 filed Critical 쓰찌다 요시오
Publication of KR870007474A publication Critical patent/KR870007474A/ko
Application granted granted Critical
Publication of KR910004441B1 publication Critical patent/KR910004441B1/ko

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/24—Methods or devices for transmitting, conducting or directing sound for conducting sound through solid bodies, e.g. wires
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/40—Piezoelectric or electrostrictive devices with electrical input and electrical output, e.g. functioning as transformers

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

내용 없음

Description

전기 신호 전송 소자
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 관한 제1실시예를 나타낸 전기신호 전송 소자의 정면도.
제2도는 동 전기 신호 전송 소자의 측면도.
제4도는 동 전기신호 전송 소자를 제조할 때의 설명도.
* 도면의 주요부분에 대한 부호의 설명
1,31 : 초음파 고체 전반매체 1a,1a',31a,31a' : 측면
1b,1b',31b,31b' : 정면 S1: 초음파전반거리
S2: 각 측면간의 거리 S3: 각 정면간의 거리
2 : 입력전기 펄스 3,3' : 초음파
4,34 : 입력트랜스듀서 5 : 출력 전기 펄스
6,36 : 출력 트랜스듀서 15,16,45,46 : 결합면
17,18,47,48 : 반대면 5a,5b : 스퓨리어스(spurious)
A,B,49,50 ; 패킹재 33' : 종파 및 횡파의 한쪽의 초음파
33" : 종파 및 횡파의 다른쪽의 초음파 51 : 모우드 변환 각

Claims (5)

  1. 초음파 전반거리가 각 정면간의 거리 또는 각 측면간의 거리의 어느쪽인가 한쪽보다도 짧은 초음파 고체 전반매체와, 이 초음파 고체 전반매체의 초음파 신호 입력면 및 출력면에 부착된 입력 전기 신호를 초음파로 변환하는 입력 트랜스듀서 및 이 초음파를 출력 전기 신호로 변환하는 출력 트랜스 듀서와, 전술한 입력 트랜스듀서와 출력 트랜스듀서의 전술한 전반매체와의 결합면의 반사면에 이어 맞추어진 패킹재로 구성된 것을 특징으로 하는 전기 신호 전송 소자.
  2. 제1항에 있어서, 각 패킹재는 각 트랜스듀서에 의해서 반사되어 발생되는 불필요한 신호를 감쇄하는 기능을 가지고 있는 것을 특징으로 하는 전기 신호 전송 소자.
  3. 제1항에 있어서, 각 패킹재는 그 각 패킹재에 이어 맞추어진 각 트랜스듀서로 부터 그 각 패킹재로 입사된 종파 및 횡파의 한쪽의 초음파를 종파 및 횡파의 다른 쪽의 초음파로 모우드 변환하는 모우드 변환 각도의 평면으로 된 반사면을 가지고 있는 것을 특징으로 하는 전기 신호 전송 소자.
  4. 제1항에 있어서, 각 패킹재를 각각 동일한 형상의 부재로 구성하는 것을 특징으로 하는 전기신호 전송소자.
  5. 제1항에 있어서, 각 패킹재를 다른 형상의 부재로 구성한 것을 특징으로 하는 전기 신호 전송 소자.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870000736A 1986-01-31 1987-01-30 전기신호 전송소자 KR910004441B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP19722 1986-01-31
JP86-19722 1986-01-31
JP1972286 1986-01-31
JP25260 1986-02-07
JP2526086 1986-02-07
JP61089020A JPS62245743A (ja) 1986-04-17 1986-04-17 電気信号転送素子

Publications (2)

Publication Number Publication Date
KR870007474A true KR870007474A (ko) 1987-08-19
KR910004441B1 KR910004441B1 (ko) 1991-06-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870000736A KR910004441B1 (ko) 1986-01-31 1987-01-30 전기신호 전송소자

Country Status (3)

Country Link
US (1) US4819215A (ko)
EP (1) EP0231892A3 (ko)
KR (1) KR910004441B1 (ko)

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Also Published As

Publication number Publication date
EP0231892A2 (en) 1987-08-12
EP0231892A3 (en) 1989-03-08
US4819215A (en) 1989-04-04
KR910004441B1 (ko) 1991-06-27

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