JPS4823005B1 - - Google Patents

Info

Publication number
JPS4823005B1
JPS4823005B1 JP45034316A JP3431670A JPS4823005B1 JP S4823005 B1 JPS4823005 B1 JP S4823005B1 JP 45034316 A JP45034316 A JP 45034316A JP 3431670 A JP3431670 A JP 3431670A JP S4823005 B1 JPS4823005 B1 JP S4823005B1
Authority
JP
Japan
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.)
Pending
Application number
JP45034316A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4823005B1 publication Critical patent/JPS4823005B1/ja
Pending 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
    • H04R17/02—Microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
JP45034316A 1969-04-30 1970-04-23 Pending JPS4823005B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21953/69A GB1277912A (en) 1969-04-30 1969-04-30 Electro-acoustic transducers

Publications (1)

Publication Number Publication Date
JPS4823005B1 true JPS4823005B1 (enrdf_load_stackoverflow) 1973-07-10

Family

ID=10171533

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45034316A Pending JPS4823005B1 (enrdf_load_stackoverflow) 1969-04-30 1970-04-23

Country Status (6)

Country Link
JP (1) JPS4823005B1 (enrdf_load_stackoverflow)
DE (1) DE2019520A1 (enrdf_load_stackoverflow)
ES (1) ES379238A1 (enrdf_load_stackoverflow)
FR (1) FR2040447B1 (enrdf_load_stackoverflow)
GB (1) GB1277912A (enrdf_load_stackoverflow)
IL (1) IL34068A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5093698A (enrdf_load_stackoverflow) * 1973-12-19 1975-07-25
JPS5411605U (enrdf_load_stackoverflow) * 1977-06-27 1979-01-25

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0500985A1 (en) * 1991-02-27 1992-09-02 Masao Konomi Bone conduction microphone mount
JP3958739B2 (ja) 2003-12-12 2007-08-15 Ｎｅｃトーキン株式会社 音響振動発生素子
DE102016206566A1 (de) * 2016-04-19 2017-10-19 Robert Bosch Gmbh Mikromechanisches Bauteil und Herstellungsverfahren für ein mikromechanisches Bauteil
CN114449417B (zh) * 2020-10-30 2022-11-25 华为技术有限公司 扬声器及电子设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE452217A (enrdf_load_stackoverflow) *
US2045427A (en) * 1933-05-24 1936-06-23 Sonotone Corp Bone-conduction hearing-aid
US3423543A (en) * 1965-06-24 1969-01-21 Harry W Kompanek Loudspeaker with piezoelectric wafer driving elements

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5093698A (enrdf_load_stackoverflow) * 1973-12-19 1975-07-25
JPS5411605U (enrdf_load_stackoverflow) * 1977-06-27 1979-01-25

Also Published As

Publication number Publication date
FR2040447B1 (enrdf_load_stackoverflow) 1974-05-03
GB1277912A (en) 1972-06-14
FR2040447A1 (enrdf_load_stackoverflow) 1971-01-22
ES379238A1 (es) 1972-09-16
DE2019520A1 (de) 1970-11-12
IL34068A0 (en) 1970-05-21
IL34068A (en) 1973-06-29

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