JPS5388719A - Head phone - Google Patents

Head phone

Info

Publication number
JPS5388719A
JPS5388719A JP336177A JP336177A JPS5388719A JP S5388719 A JPS5388719 A JP S5388719A JP 336177 A JP336177 A JP 336177A JP 336177 A JP336177 A JP 336177A JP S5388719 A JPS5388719 A JP S5388719A
Authority
JP
Japan
Prior art keywords
head phone
space
phone
flatten
head
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
JP336177A
Other languages
Japanese (ja)
Other versions
JPS571196B2 (en
Inventor
Nobuhisa Atoji
Shoichi Kusumoto
Kazuhide Sato
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 JP336177A priority Critical patent/JPS5388719A/en
Publication of JPS5388719A publication Critical patent/JPS5388719A/en
Publication of JPS571196B2 publication Critical patent/JPS571196B2/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)

Abstract

PURPOSE:To flatten the sound pressure-to-frequency characteristics of a head phone by connecting a resonator formed of sealed space and a hole communicated with the space to the space at the front of a vibrating board.
JP336177A 1977-01-14 1977-01-14 Head phone Granted JPS5388719A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP336177A JPS5388719A (en) 1977-01-14 1977-01-14 Head phone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP336177A JPS5388719A (en) 1977-01-14 1977-01-14 Head phone

Publications (2)

Publication Number Publication Date
JPS5388719A true JPS5388719A (en) 1978-08-04
JPS571196B2 JPS571196B2 (en) 1982-01-09

Family

ID=11555200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP336177A Granted JPS5388719A (en) 1977-01-14 1977-01-14 Head phone

Country Status (1)

Country Link
JP (1) JPS5388719A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015033110A (en) * 2013-08-07 2015-02-16 アシダ音響株式会社 Earphone
EP2910033A4 (en) * 2012-10-18 2016-05-04 Nokia Technologies Oy Resonance damping for audio transducer systems
JP6400157B1 (en) * 2017-07-25 2018-10-03 Ｔｔｒ株式会社 Sealed earphone

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6065297U (en) * 1983-10-13 1985-05-09 東芝機械株式会社 Beverage cooling dispensing equipment
JPS6065296U (en) * 1983-10-13 1985-05-09 東芝機械株式会社 Beverage cooling dispensing equipment
JPS60169193U (en) * 1984-04-18 1985-11-09 河合　照男 Various beverage dispensers
WO1991019406A1 (en) * 1990-05-25 1991-12-12 Mitsubishi Denki Kabushiki Kaisha Speaker system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4870527A (en) * 1971-12-20 1973-09-25
JPS514328U (en) * 1974-06-26 1976-01-13
JPS5162820U (en) * 1974-11-13 1976-05-18

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS514328B2 (en) * 1971-11-08 1976-02-10

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4870527A (en) * 1971-12-20 1973-09-25
JPS514328U (en) * 1974-06-26 1976-01-13
JPS5162820U (en) * 1974-11-13 1976-05-18

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2910033A4 (en) * 2012-10-18 2016-05-04 Nokia Technologies Oy Resonance damping for audio transducer systems
US9813802B2 (en) 2012-10-18 2017-11-07 Nokia Technologies Oy Resonance damping for audio transducer systems
US10085086B2 (en) 2012-10-18 2018-09-25 Nokia Technologies Oy Resonance damping for audio transducer systems
JP2015033110A (en) * 2013-08-07 2015-02-16 アシダ音響株式会社 Earphone
JP6400157B1 (en) * 2017-07-25 2018-10-03 Ｔｔｒ株式会社 Sealed earphone

Also Published As

Publication number Publication date
JPS571196B2 (en) 1982-01-09

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