KR870001383U - 양방성 음향 트랜스듀서 - Google Patents

양방성 음향 트랜스듀서

Info

Publication number
KR870001383U
KR870001383U KR2019850007283U KR850007283U KR870001383U KR 870001383 U KR870001383 U KR 870001383U KR 2019850007283 U KR2019850007283 U KR 2019850007283U KR 850007283 U KR850007283 U KR 850007283U KR 870001383 U KR870001383 U KR 870001383U
Authority
KR
South Korea
Prior art keywords
amphibian
acoustic transducer
acoustic
transducer
amphibian acoustic
Prior art date
Application number
KR2019850007283U
Other languages
English (en)
Other versions
KR880001882Y1 (ko
Inventor
박화수
Original Assignee
박화수
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 박화수 filed Critical 박화수
Priority to KR2019850007283U priority Critical patent/KR880001882Y1/ko
Publication of KR870001383U publication Critical patent/KR870001383U/ko
Application granted granted Critical
Publication of KR880001882Y1 publication Critical patent/KR880001882Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
KR2019850007283U 1985-06-18 1985-06-18 양방성 음향 트랜스듀서 KR880001882Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019850007283U KR880001882Y1 (ko) 1985-06-18 1985-06-18 양방성 음향 트랜스듀서

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019850007283U KR880001882Y1 (ko) 1985-06-18 1985-06-18 양방성 음향 트랜스듀서

Publications (2)

Publication Number Publication Date
KR870001383U true KR870001383U (ko) 1987-02-20
KR880001882Y1 KR880001882Y1 (ko) 1988-05-21

Family

ID=19243010

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019850007283U KR880001882Y1 (ko) 1985-06-18 1985-06-18 양방성 음향 트랜스듀서

Country Status (1)

Country Link
KR (1) KR880001882Y1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220017723A (ko) * 2020-08-05 2022-02-14 대진전기 (주) 간편한 폐쇄형 무정전 자동절환 스위치의 수동식 스위치 구조장치

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020096059A (ko) * 2001-06-14 2002-12-31 신기옥 도자기 전기포트

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220017723A (ko) * 2020-08-05 2022-02-14 대진전기 (주) 간편한 폐쇄형 무정전 자동절환 스위치의 수동식 스위치 구조장치

Also Published As

Publication number Publication date
KR880001882Y1 (ko) 1988-05-21

Similar Documents

Publication Publication Date Title
FR2559985B1 (fr) Transducteur ultrasonore
NO172154C (no) Transduser
DK462084A (da) Krafttransducer
BR8603550A (pt) Conjunto de transdutor magnetorresistivo de leitura
KR900004130U (ko) 전기 음향 변환기
NO174270C (no) Piezoelektrisk transduser
DK590485D0 (da) Undervandstransducer
DK265388D0 (da) Akustisk transducer med forbedret elektrodeafstand
FR2571635B1 (fr) Emetteur acoustique
FR2639786B1 (fr) Transducteur flextenseur
IT8667544A0 (it) Diffusore acustico
FR2552291B1 (fr) Transducteur acoustique directionnel
DK524984D0 (da) Transducer
IT1199683B (it) Trasduttore ottico
IT1185894B (it) Mezzi trasduttori
ES297071Y (es) Plaqueta acustica
BR8901593A (pt) Transdutor
KR870001383U (ko) 양방성 음향 트랜스듀서
ES283883Y (es) Juguete sonoro
KR860015554U (ko) 음향트랜스듀서
BR8400103A (pt) Transdutor
MD698B1 (ro) Traductor ultrasonic Ultrasonic mode transducer
FR2613894B1 (fr) Transducteur electroacoustique
ES290342Y (es) Transductor de sonido
DK493684D0 (da) Ultrasonisk transducer

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19910518

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee