JPS51144221A - Headphone - Google Patents

Headphone

Info

Publication number
JPS51144221A
JPS51144221A JP6801175A JP6801175A JPS51144221A JP S51144221 A JPS51144221 A JP S51144221A JP 6801175 A JP6801175 A JP 6801175A JP 6801175 A JP6801175 A JP 6801175A JP S51144221 A JPS51144221 A JP S51144221A
Authority
JP
Japan
Prior art keywords
headphone
auricles
open air
air type
ensures excellent
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
JP6801175A
Other languages
English (en)
Other versions
JPS5243089B2 (ja
Inventor
Tadashi Itagaki
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.)
Pioneer Communications Corp
Tokorozawa Electronics Corp
Original Assignee
Pioneer Ansafone Manufacturing Corp
Tokorozawa Electronics Corp
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 Pioneer Ansafone Manufacturing Corp, Tokorozawa Electronics Corp filed Critical Pioneer Ansafone Manufacturing Corp
Priority to JP6801175A priority Critical patent/JPS51144221A/ja
Publication of JPS51144221A publication Critical patent/JPS51144221A/ja
Publication of JPS5243089B2 publication Critical patent/JPS5243089B2/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1008—Earpieces of the supra-aural or circum-aural type

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
JP6801175A 1975-06-05 1975-06-05 Headphone Granted JPS51144221A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6801175A JPS51144221A (en) 1975-06-05 1975-06-05 Headphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6801175A JPS51144221A (en) 1975-06-05 1975-06-05 Headphone

Publications (2)

Publication Number Publication Date
JPS51144221A true JPS51144221A (en) 1976-12-11
JPS5243089B2 JPS5243089B2 (ja) 1977-10-28

Family

ID=13361466

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6801175A Granted JPS51144221A (en) 1975-06-05 1975-06-05 Headphone

Country Status (1)

Country Link
JP (1) JPS51144221A (ja)

Also Published As

Publication number Publication date
JPS5243089B2 (ja) 1977-10-28

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