JPS52128102A - Headphone unit - Google Patents

Headphone unit

Info

Publication number
JPS52128102A
JPS52128102A JP4503976A JP4503976A JPS52128102A JP S52128102 A JPS52128102 A JP S52128102A JP 4503976 A JP4503976 A JP 4503976A JP 4503976 A JP4503976 A JP 4503976A JP S52128102 A JPS52128102 A JP S52128102A
Authority
JP
Japan
Prior art keywords
headphone unit
head
rotation quantity
speaker
varying
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.)
Pending
Application number
JP4503976A
Other languages
English (en)
Inventor
Akiyoshi Yamada
Toshiyuki Goto
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 JP4503976A priority Critical patent/JPS52128102A/ja
Publication of JPS52128102A publication Critical patent/JPS52128102A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Stereophonic System (AREA)
JP4503976A 1976-04-20 1976-04-20 Headphone unit Pending JPS52128102A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4503976A JPS52128102A (en) 1976-04-20 1976-04-20 Headphone unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4503976A JPS52128102A (en) 1976-04-20 1976-04-20 Headphone unit

Publications (1)

Publication Number Publication Date
JPS52128102A true JPS52128102A (en) 1977-10-27

Family

ID=12708205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4503976A Pending JPS52128102A (en) 1976-04-20 1976-04-20 Headphone unit

Country Status (1)

Country Link
JP (1) JPS52128102A (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4953001A (ja) * 1972-09-21 1974-05-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4953001A (ja) * 1972-09-21 1974-05-23

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