JPS6362955B2 - - Google Patents

Info

Publication number
JPS6362955B2
JPS6362955B2 JP7231882A JP7231882A JPS6362955B2 JP S6362955 B2 JPS6362955 B2 JP S6362955B2 JP 7231882 A JP7231882 A JP 7231882A JP 7231882 A JP7231882 A JP 7231882A JP S6362955 B2 JPS6362955 B2 JP S6362955B2
Authority
JP
Japan
Prior art keywords
speaker
insert
sound
hole
way communication
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
Application number
JP7231882A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58188996A (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
Priority to JP7231882A priority Critical patent/JPS58188996A/ja
Priority to US06/428,017 priority patent/US4588867A/en
Priority to AU13859/83A priority patent/AU552358B2/en
Priority to EP83103974A priority patent/EP0092822B1/fr
Priority to DE8383103974T priority patent/DE3380289D1/de
Publication of JPS58188996A publication Critical patent/JPS58188996A/ja
Publication of JPS6362955B2 publication Critical patent/JPS6362955B2/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/456—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback mechanically
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
JP7231882A 1982-04-27 1982-04-27 外耳道内双方向通話装置 Granted JPS58188996A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP7231882A JPS58188996A (ja) 1982-04-27 1982-04-27 外耳道内双方向通話装置
US06/428,017 US4588867A (en) 1982-04-27 1982-09-29 Ear microphone
AU13859/83A AU552358B2 (en) 1982-04-27 1983-04-22 Ear microphone
EP83103974A EP0092822B1 (fr) 1982-04-27 1983-04-22 Microphone auriculaire
DE8383103974T DE3380289D1 (en) 1982-04-27 1983-04-22 Ear microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7231882A JPS58188996A (ja) 1982-04-27 1982-04-27 外耳道内双方向通話装置

Publications (2)

Publication Number Publication Date
JPS58188996A JPS58188996A (ja) 1983-11-04
JPS6362955B2 true JPS6362955B2 (fr) 1988-12-05

Family

ID=13485805

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7231882A Granted JPS58188996A (ja) 1982-04-27 1982-04-27 外耳道内双方向通話装置

Country Status (1)

Country Link
JP (1) JPS58188996A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0817415B2 (ja) * 1992-03-19 1996-02-21 勝夫 許斐 イヤーセット型送受話器
US7302071B2 (en) 2004-09-15 2007-11-27 Schumaier Daniel R Bone conduction hearing assistance device
JP2008109206A (ja) * 2006-10-23 2008-05-08 Star Micronics Co Ltd 挿入型イヤホン
JP4762110B2 (ja) * 2006-10-24 2011-08-31 株式会社デンソー 内燃機関用スパークプラグ

Also Published As

Publication number Publication date
JPS58188996A (ja) 1983-11-04

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