JPH0455040B2 - - Google Patents

Info

Publication number
JPH0455040B2
JPH0455040B2 JP20405383A JP20405383A JPH0455040B2 JP H0455040 B2 JPH0455040 B2 JP H0455040B2 JP 20405383 A JP20405383 A JP 20405383A JP 20405383 A JP20405383 A JP 20405383A JP H0455040 B2 JPH0455040 B2 JP H0455040B2
Authority
JP
Japan
Prior art keywords
sound
hole
electroacoustic transducer
space
handset
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
JP20405383A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6096093A (ja
Inventor
Teruo Kobayashi
Kazuki Ura
Kozo Kawasaki
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 JP20405383A priority Critical patent/JPS6096093A/ja
Publication of JPS6096093A publication Critical patent/JPS6096093A/ja
Publication of JPH0455040B2 publication Critical patent/JPH0455040B2/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)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Headphones And Earphones (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP20405383A 1983-10-31 1983-10-31 電気音響変換器収納装置 Granted JPS6096093A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20405383A JPS6096093A (ja) 1983-10-31 1983-10-31 電気音響変換器収納装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20405383A JPS6096093A (ja) 1983-10-31 1983-10-31 電気音響変換器収納装置

Publications (2)

Publication Number Publication Date
JPS6096093A JPS6096093A (ja) 1985-05-29
JPH0455040B2 true JPH0455040B2 (fr) 1992-09-02

Family

ID=16483965

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20405383A Granted JPS6096093A (ja) 1983-10-31 1983-10-31 電気音響変換器収納装置

Country Status (1)

Country Link
JP (1) JPS6096093A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0543600Y2 (fr) * 1986-07-21 1993-11-02
US5231659A (en) * 1989-05-16 1993-07-27 Alcatel Business Systems Telephone handset with transducer assembly
BE1011085A4 (nl) * 1997-04-03 1999-04-06 Sonitron Naamloze Vennootschap Element voor het weergeven en/of opnemen van geluid.
BE1011559A4 (nl) * 1997-11-20 1999-10-05 Sonitron Naamloze Vennootschap Element voor het weergeven en/of opnemen van geluid.

Also Published As

Publication number Publication date
JPS6096093A (ja) 1985-05-29

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