JPS5765092A - Microphone in common use with speaker - Google Patents

Microphone in common use with speaker

Info

Publication number
JPS5765092A
JPS5765092A JP14127680A JP14127680A JPS5765092A JP S5765092 A JPS5765092 A JP S5765092A JP 14127680 A JP14127680 A JP 14127680A JP 14127680 A JP14127680 A JP 14127680A JP S5765092 A JPS5765092 A JP S5765092A
Authority
JP
Japan
Prior art keywords
film
microphone
speaker
diaphragm plate
piezoelectric film
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.)
Granted
Application number
JP14127680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6161759B2 (enrdf_load_stackoverflow
Inventor
Hironoshin Mori
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP14127680A priority Critical patent/JPS5765092A/ja
Publication of JPS5765092A publication Critical patent/JPS5765092A/ja
Publication of JPS6161759B2 publication Critical patent/JPS6161759B2/ja
Granted 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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/02—Transducers using more than one principle simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Electromechanical Clocks (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP14127680A 1980-10-09 1980-10-09 Microphone in common use with speaker Granted JPS5765092A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14127680A JPS5765092A (en) 1980-10-09 1980-10-09 Microphone in common use with speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14127680A JPS5765092A (en) 1980-10-09 1980-10-09 Microphone in common use with speaker

Publications (2)

Publication Number Publication Date
JPS5765092A true JPS5765092A (en) 1982-04-20
JPS6161759B2 JPS6161759B2 (enrdf_load_stackoverflow) 1986-12-26

Family

ID=15288119

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14127680A Granted JPS5765092A (en) 1980-10-09 1980-10-09 Microphone in common use with speaker

Country Status (1)

Country Link
JP (1) JPS5765092A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5430803A (en) * 1992-03-31 1995-07-04 Soei Electric Co., Ltd. Bifunctional earphone set
US6028752A (en) * 1992-06-22 2000-02-22 Texas Instruments Incorporated Miniature device for receiving and playing back sound with piezoelectric component as combination microphone/loud speaker
WO2000060900A3 (en) * 1999-04-07 2001-02-15 Ericsson Inc Hearing aid compatible piezoelectric speaker
US7036605B2 (en) 2000-03-16 2006-05-02 Makita Corporation Power tools
WO2017126114A1 (ja) * 2016-01-22 2017-07-27 株式会社パトライト ブザーユニットおよび信号表示灯

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5430803A (en) * 1992-03-31 1995-07-04 Soei Electric Co., Ltd. Bifunctional earphone set
US6028752A (en) * 1992-06-22 2000-02-22 Texas Instruments Incorporated Miniature device for receiving and playing back sound with piezoelectric component as combination microphone/loud speaker
WO2000060900A3 (en) * 1999-04-07 2001-02-15 Ericsson Inc Hearing aid compatible piezoelectric speaker
US6658126B1 (en) 1999-04-07 2003-12-02 Ericsson Inc. Hearing aid compatible piezoelectric speaker
US7036605B2 (en) 2000-03-16 2006-05-02 Makita Corporation Power tools
US7896098B2 (en) 2000-03-16 2011-03-01 Makita Corporation Power tools
US8210275B2 (en) 2000-03-16 2012-07-03 Makita Corporation Power tools
WO2017126114A1 (ja) * 2016-01-22 2017-07-27 株式会社パトライト ブザーユニットおよび信号表示灯
US10297243B2 (en) 2016-01-22 2019-05-21 Patlite Corporation Buzzer unit and signal indicator light

Also Published As

Publication number Publication date
JPS6161759B2 (enrdf_load_stackoverflow) 1986-12-26

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