DE3486035D1 - Ultraschallwandler. - Google Patents

Ultraschallwandler.

Info

Publication number
DE3486035D1
DE3486035D1 DE8484112594T DE3486035T DE3486035D1 DE 3486035 D1 DE3486035 D1 DE 3486035D1 DE 8484112594 T DE8484112594 T DE 8484112594T DE 3486035 T DE3486035 T DE 3486035T DE 3486035 D1 DE3486035 D1 DE 3486035D1
Authority
DE
Germany
Prior art keywords
upper plate
chamber
wall
ultrasonic transducer
plate
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 - Fee Related
Application number
DE8484112594T
Other languages
English (en)
Inventor
Toshiharu Ito
Eiji Ozeki
Kozo Okada
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.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug Co Ltd
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 NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Priority claimed from EP84112594A external-priority patent/EP0178346B1/de
Application granted granted Critical
Publication of DE3486035D1 publication Critical patent/DE3486035D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Transducers For Ultrasonic Waves (AREA)
DE8484112594T 1984-10-18 1984-10-18 Ultraschallwandler. Expired - Fee Related DE3486035D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP84112594A EP0178346B1 (de) 1984-02-21 1984-10-18 Ultraschallwandler

Publications (1)

Publication Number Publication Date
DE3486035D1 true DE3486035D1 (de) 1993-02-25

Family

ID=8192230

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484112594T Expired - Fee Related DE3486035D1 (de) 1984-10-18 1984-10-18 Ultraschallwandler.

Country Status (1)

Country Link
DE (1) DE3486035D1 (de)

Similar Documents

Publication Publication Date Title
US4556814A (en) Piezoelectric ultrasonic transducer with porous plastic housing
JPS6466540A (en) Viscometer
GB1402290A (en) Piezo-electric acoustic device
US3849679A (en) Electroacoustic transducer with controlled beam pattern
US4433399A (en) Ultrasonic transducers
JPS63503505A (ja) 改良された電極間隔を有する音響変換器
US3018466A (en) Compensated hydrophone
JPS6133519B2 (de)
US3546497A (en) Piezoelectric transducer element
ES2010038A6 (es) Un transductor de emision acustica y un oscilador electrico.
US3199071A (en) Electroacoustic transducer construction suitable for operation in deep water
KR20050023149A (ko) 고출력 수중 음향 트랜스듀서
DE3486035D1 (de) Ultraschallwandler.
ES353912A1 (es) Captador de presiones.
US4085400A (en) Underwater piezoelectric transducers
SU777851A1 (ru) Гидроакустический преобразователь
JPS6345120Y2 (de)
JPS5686598A (en) Manufacture for ultrasonic wave transducer
JPS6024428A (ja) 圧力センサ−
JPS62103526A (ja) ノツキングセンサ
SU593169A1 (ru) Скважинный акустический излучатель
JPS59218098A (ja) 超音波セラミツクマイクロホン
JPH054396Y2 (de)
JPS6424700A (en) Piezoelectric acoustic transducer
JPH01272294A (ja) 骨導マイクロホン

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee