JPS6234319B2 - - Google Patents

Info

Publication number
JPS6234319B2
JPS6234319B2 JP7521181A JP7521181A JPS6234319B2 JP S6234319 B2 JPS6234319 B2 JP S6234319B2 JP 7521181 A JP7521181 A JP 7521181A JP 7521181 A JP7521181 A JP 7521181A JP S6234319 B2 JPS6234319 B2 JP S6234319B2
Authority
JP
Japan
Prior art keywords
elastic body
rubber
bobbin
sealed space
diaphragm
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
JP7521181A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57190496A (en
Inventor
Koshin Shimada
Kazumi Teratani
Masahito Furuta
Akira Asai
Hideo Takei
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP7521181A priority Critical patent/JPS57190496A/ja
Publication of JPS57190496A publication Critical patent/JPS57190496A/ja
Publication of JPS6234319B2 publication Critical patent/JPS6234319B2/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP7521181A 1981-05-18 1981-05-18 Loudspeaker Granted JPS57190496A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7521181A JPS57190496A (en) 1981-05-18 1981-05-18 Loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7521181A JPS57190496A (en) 1981-05-18 1981-05-18 Loudspeaker

Publications (2)

Publication Number Publication Date
JPS57190496A JPS57190496A (en) 1982-11-24
JPS6234319B2 true JPS6234319B2 (enrdf_load_stackoverflow) 1987-07-25

Family

ID=13569632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7521181A Granted JPS57190496A (en) 1981-05-18 1981-05-18 Loudspeaker

Country Status (1)

Country Link
JP (1) JPS57190496A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7809148B2 (en) 2006-06-01 2010-10-05 Jason Myles Cobb Loudspeaker
US7848533B2 (en) 2006-11-13 2010-12-07 Jason Myles Cobb Loudspeaker
KR101074248B1 (ko) 2010-07-26 2011-10-14 포스터 덴키 가부시키가이샤 스피커 유닛

Also Published As

Publication number Publication date
JPS57190496A (en) 1982-11-24

Similar Documents

Publication Publication Date Title
US4572324A (en) Ear piece construction
US4041256A (en) Open-back type headphone with a detachable attachment
AU2002221083B2 (en) Bone conduction speaker
US3644939A (en) Air damped hearing protector earseal
KR20040034489A (ko) 변환기
JPS6234319B2 (enrdf_load_stackoverflow)
US2327136A (en) Hearing aid microphone
EP0330423A3 (en) Loudspeaker diaphragm
JP4022322B2 (ja) 狭指向性コンデンサマイクロホン
US3856995A (en) Pressure gradient piezoelectric microphone
US2327137A (en) Hearing aid microphone
JPH01272300A (ja) スピーカシステム
JPS60185493A (ja) 電気音響変換器
US20060078154A1 (en) Electricalacoustic ransducer
JPS6334399Y2 (enrdf_load_stackoverflow)
JPH0385900A (ja) スピーカ
JPS6311815Y2 (enrdf_load_stackoverflow)
JPS63224591A (ja) スピ−カ
JP3180282B2 (ja) スピーカフレーム
JPS6036951Y2 (ja) スピ−カユニツト
JPS5832399Y2 (ja) フクゴウスピ−カ
JP2601650Y2 (ja) 音響変換器
JPS6042679B2 (ja) スピ−カ
CN2232181Y (zh) 具有受偏置力振动膜的扬声器
JP3991896B2 (ja) スピーカ装置