JPS53114401A - Phase difference headset - Google Patents

Phase difference headset

Info

Publication number
JPS53114401A
JPS53114401A JP195178A JP195178A JPS53114401A JP S53114401 A JPS53114401 A JP S53114401A JP 195178 A JP195178 A JP 195178A JP 195178 A JP195178 A JP 195178A JP S53114401 A JPS53114401 A JP S53114401A
Authority
JP
Japan
Prior art keywords
headset
phase difference
phase
difference
difference headset
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
JP195178A
Other languages
Japanese (ja)
Inventor
Satoru Osada
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP195178A priority Critical patent/JPS53114401A/en
Publication of JPS53114401A publication Critical patent/JPS53114401A/en
Pending legal-status Critical Current

Links

Landscapes

  • Headphones And Earphones (AREA)
JP195178A 1978-01-13 1978-01-13 Phase difference headset Pending JPS53114401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP195178A JPS53114401A (en) 1978-01-13 1978-01-13 Phase difference headset

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP195178A JPS53114401A (en) 1978-01-13 1978-01-13 Phase difference headset

Publications (1)

Publication Number Publication Date
JPS53114401A true JPS53114401A (en) 1978-10-05

Family

ID=11515904

Family Applications (1)

Application Number Title Priority Date Filing Date
JP195178A Pending JPS53114401A (en) 1978-01-13 1978-01-13 Phase difference headset

Country Status (1)

Country Link
JP (1) JPS53114401A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018148287A (en) * 2017-03-01 2018-09-20 Ｔｔｒ株式会社 Canal-type earphone

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4852218A (en) * 1971-10-30 1973-07-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4852218A (en) * 1971-10-30 1973-07-23

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018148287A (en) * 2017-03-01 2018-09-20 Ｔｔｒ株式会社 Canal-type earphone

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