JPS60142699A - ダイナミツク型レシ−バ - Google Patents

ダイナミツク型レシ−バ

Info

Publication number
JPS60142699A
JPS60142699A JP58250860A JP25086083A JPS60142699A JP S60142699 A JPS60142699 A JP S60142699A JP 58250860 A JP58250860 A JP 58250860A JP 25086083 A JP25086083 A JP 25086083A JP S60142699 A JPS60142699 A JP S60142699A
Authority
JP
Japan
Prior art keywords
air chamber
diaphragm
case
front air
chamber
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
JP58250860A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0216640B2 (enrdf_load_stackoverflow
Inventor
Kazuhiko Kajiwara
和彦 梶原
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 JP58250860A priority Critical patent/JPS60142699A/ja
Publication of JPS60142699A publication Critical patent/JPS60142699A/ja
Publication of JPH0216640B2 publication Critical patent/JPH0216640B2/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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP58250860A 1983-12-28 1983-12-28 ダイナミツク型レシ−バ Granted JPS60142699A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58250860A JPS60142699A (ja) 1983-12-28 1983-12-28 ダイナミツク型レシ−バ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58250860A JPS60142699A (ja) 1983-12-28 1983-12-28 ダイナミツク型レシ−バ

Publications (2)

Publication Number Publication Date
JPS60142699A true JPS60142699A (ja) 1985-07-27
JPH0216640B2 JPH0216640B2 (enrdf_load_stackoverflow) 1990-04-17

Family

ID=17214082

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58250860A Granted JPS60142699A (ja) 1983-12-28 1983-12-28 ダイナミツク型レシ−バ

Country Status (1)

Country Link
JP (1) JPS60142699A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63156196U (enrdf_load_stackoverflow) * 1987-03-31 1988-10-13
JPH01101795A (ja) * 1987-10-14 1989-04-19 Aiwa Co Ltd インナーイヤー型ヘッドホン
US4843628A (en) * 1986-07-10 1989-06-27 Stanton Magnetics, Inc. Inertial microphone/receiver with extended frequency response
US4899390A (en) * 1986-09-19 1990-02-06 Matsushita Electric Industrial Co., Ltd. Thin speaker having an enclosure within an open portion and a closed portion
GB2311187A (en) * 1996-03-13 1997-09-17 Motorola Inc Radiotelephone with an air gap provided between the speaker and sound ports
EP1722592A1 (en) * 2005-05-09 2006-11-15 Yen-Shan Chen Integral audio module
JP2010093482A (ja) * 2008-10-07 2010-04-22 Audio Technica Corp ヘッドホンユニットおよびヘッドホン

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819593U (ja) * 1981-07-30 1983-02-07 パイオニア株式会社 ヘッドホン

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819593U (ja) * 1981-07-30 1983-02-07 パイオニア株式会社 ヘッドホン

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4843628A (en) * 1986-07-10 1989-06-27 Stanton Magnetics, Inc. Inertial microphone/receiver with extended frequency response
US4899390A (en) * 1986-09-19 1990-02-06 Matsushita Electric Industrial Co., Ltd. Thin speaker having an enclosure within an open portion and a closed portion
JPS63156196U (enrdf_load_stackoverflow) * 1987-03-31 1988-10-13
JPH01101795A (ja) * 1987-10-14 1989-04-19 Aiwa Co Ltd インナーイヤー型ヘッドホン
GB2311187A (en) * 1996-03-13 1997-09-17 Motorola Inc Radiotelephone with an air gap provided between the speaker and sound ports
GB2311187B (en) * 1996-03-13 2000-09-13 Motorola Inc Speaker assembly for a radio telephone
EP1722592A1 (en) * 2005-05-09 2006-11-15 Yen-Shan Chen Integral audio module
JP2010093482A (ja) * 2008-10-07 2010-04-22 Audio Technica Corp ヘッドホンユニットおよびヘッドホン

Also Published As

Publication number Publication date
JPH0216640B2 (enrdf_load_stackoverflow) 1990-04-17

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