KR850005215A - 압전형 스피커 - Google Patents

압전형 스피커 Download PDF

Info

Publication number
KR850005215A
KR850005215A KR1019830006310A KR830006310A KR850005215A KR 850005215 A KR850005215 A KR 850005215A KR 1019830006310 A KR1019830006310 A KR 1019830006310A KR 830006310 A KR830006310 A KR 830006310A KR 850005215 A KR850005215 A KR 850005215A
Authority
KR
South Korea
Prior art keywords
diaphragm
piezoelectric speaker
material different
edge
tubular body
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.)
Ceased
Application number
KR1019830006310A
Other languages
English (en)
Korean (ko)
Inventor
유끼오 아사노
Original Assignee
히라꾸리 히로아끼
유 겐 가이샤 따이세이 덴끼고교
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 히라꾸리 히로아끼, 유 겐 가이샤 따이세이 덴끼고교 filed Critical 히라꾸리 히로아끼
Publication of KR850005215A publication Critical patent/KR850005215A/ko
Ceased legal-status Critical Current

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
    • 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
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
KR1019830006310A 1983-12-16 1983-12-30 압전형 스피커 Ceased KR850005215A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58238589A JPS60143099A (ja) 1983-12-16 1983-12-16 圧電型スピ−カ
JP238589 1983-12-16

Publications (1)

Publication Number Publication Date
KR850005215A true KR850005215A (ko) 1985-08-21

Family

ID=17032445

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830006310A Ceased KR850005215A (ko) 1983-12-16 1983-12-30 압전형 스피커

Country Status (2)

Country Link
JP (1) JPS60143099A (enrdf_load_stackoverflow)
KR (1) KR850005215A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5727076A (en) * 1994-05-02 1998-03-10 Aura Systems, Inc. Audio transducer having piezoelectric device
US5652801A (en) * 1994-05-02 1997-07-29 Aura Systems, Inc. Resonance damper for piezoelectric transducer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51122427A (en) * 1975-04-17 1976-10-26 Matsushita Electric Ind Co Ltd Electric acoustic transducer
JPS57152800A (en) * 1981-03-17 1982-09-21 Sanyo Electric Co Ltd Piezo-electric type speaker

Also Published As

Publication number Publication date
JPS60143099A (ja) 1985-07-29
JPH0113280B2 (enrdf_load_stackoverflow) 1989-03-06

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19831230

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19880929

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19831230

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19910529

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 19911018

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 19910529

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I