JPH0129480B2 - - Google Patents

Info

Publication number
JPH0129480B2
JPH0129480B2 JP9183583A JP9183583A JPH0129480B2 JP H0129480 B2 JPH0129480 B2 JP H0129480B2 JP 9183583 A JP9183583 A JP 9183583A JP 9183583 A JP9183583 A JP 9183583A JP H0129480 B2 JPH0129480 B2 JP H0129480B2
Authority
JP
Japan
Prior art keywords
case
sound hole
yoke
coupled
acoustic resistance
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
JP9183583A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59216399A (ja
Inventor
Kazuhiko Kajiwara
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 JP58091835A priority Critical patent/JPS59216399A/ja
Publication of JPS59216399A publication Critical patent/JPS59216399A/ja
Publication of JPH0129480B2 publication Critical patent/JPH0129480B2/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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
JP58091835A 1983-05-24 1983-05-24 ダイナミツクマイクロホン Granted JPS59216399A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58091835A JPS59216399A (ja) 1983-05-24 1983-05-24 ダイナミツクマイクロホン

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58091835A JPS59216399A (ja) 1983-05-24 1983-05-24 ダイナミツクマイクロホン

Publications (2)

Publication Number Publication Date
JPS59216399A JPS59216399A (ja) 1984-12-06
JPH0129480B2 true JPH0129480B2 (enExample) 1989-06-12

Family

ID=14037647

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58091835A Granted JPS59216399A (ja) 1983-05-24 1983-05-24 ダイナミツクマイクロホン

Country Status (1)

Country Link
JP (1) JPS59216399A (enExample)

Also Published As

Publication number Publication date
JPS59216399A (ja) 1984-12-06

Similar Documents

Publication Publication Date Title
US4009355A (en) Reversible anti-noise microphone
US4410770A (en) Directional microphone
US4637489A (en) Electroacoustic transducer
US3940575A (en) Directional microphone
CN108989925A (zh) 耳机
JPH06269088A (ja) 電気音響トランスジューサ
JP2000083292A (ja) 狭指向性コンデンサマイクロホン
KR101655710B1 (ko) 이중 진동판 다이나믹 마이크로폰 트랜스듀서
JPH0129480B2 (enExample)
JPS6228157Y2 (enExample)
WO2019211801A1 (en) An electroacoustic earcup for open-back headphones
JPS60142699A (ja) ダイナミツク型レシ−バ
JPH0136399Y2 (enExample)
US12375857B2 (en) Highly compliant miniature transducer
JPH0424716Y2 (enExample)
Bauer A miniature microphone for transistorized amplifiers
JPH0241995Y2 (enExample)
JPH0125029Y2 (enExample)
JPS626784Y2 (enExample)
JP2940418B2 (ja) インナーイヤ型ヘッドホン
US6532644B1 (en) Method of making a piezoelectric speaker with a unitary body comprising a base section and dome shaped vibrating section
JPS58130693A (ja) ホ−ンスピ−カ
JPH04170200A (ja) 指向性ダイナミックマイクロホンユニット
JPS6342636Y2 (enExample)
JPH0125028Y2 (enExample)