JPS5242111A - Head-phone with microphone - Google Patents

Head-phone with microphone

Info

Publication number
JPS5242111A
JPS5242111A JP11726575A JP11726575A JPS5242111A JP S5242111 A JPS5242111 A JP S5242111A JP 11726575 A JP11726575 A JP 11726575A JP 11726575 A JP11726575 A JP 11726575A JP S5242111 A JPS5242111 A JP S5242111A
Authority
JP
Japan
Prior art keywords
microphone
phone
head
voice
listening
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
JP11726575A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5335448B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Eiju Shiroshita
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.)
SHIROSHITA KOGYO KK
Original Assignee
SHIROSHITA KOGYO KK
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 SHIROSHITA KOGYO KK filed Critical SHIROSHITA KOGYO KK
Priority to JP11726575A priority Critical patent/JPS5242111A/ja
Publication of JPS5242111A publication Critical patent/JPS5242111A/ja
Publication of JPS5335448B2 publication Critical patent/JPS5335448B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/58—Anti-side-tone circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP11726575A 1975-09-30 1975-09-30 Head-phone with microphone Granted JPS5242111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11726575A JPS5242111A (en) 1975-09-30 1975-09-30 Head-phone with microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11726575A JPS5242111A (en) 1975-09-30 1975-09-30 Head-phone with microphone

Publications (2)

Publication Number Publication Date
JPS5242111A true JPS5242111A (en) 1977-04-01
JPS5335448B2 JPS5335448B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-09-27

Family

ID=14707467

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11726575A Granted JPS5242111A (en) 1975-09-30 1975-09-30 Head-phone with microphone

Country Status (1)

Country Link
JP (1) JPS5242111A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPS5335448B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-09-27

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