JPS5247715A - Earplug type handset equipped with an input-output separator - Google Patents

Earplug type handset equipped with an input-output separator

Info

Publication number
JPS5247715A
JPS5247715A JP12341975A JP12341975A JPS5247715A JP S5247715 A JPS5247715 A JP S5247715A JP 12341975 A JP12341975 A JP 12341975A JP 12341975 A JP12341975 A JP 12341975A JP S5247715 A JPS5247715 A JP S5247715A
Authority
JP
Japan
Prior art keywords
input
type handset
earplug type
output separator
handset equipped
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
JP12341975A
Other languages
Japanese (ja)
Inventor
Masaki Akiyama
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.)
Tani Denkikogyo Co Ltd
Original Assignee
Tani Denkikogyo 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 Tani Denkikogyo Co Ltd filed Critical Tani Denkikogyo Co Ltd
Priority to JP12341975A priority Critical patent/JPS5247715A/en
Publication of JPS5247715A publication Critical patent/JPS5247715A/en
Pending 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)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Transceivers (AREA)
  • Telephone Set Structure (AREA)

Abstract

PURPOSE:To reduce a handset in size and weight by connecting a common node of acoustic-electric converter coils connected in series to either the ground side or the input-output side in such a way that the impedance value is the same in either case.
JP12341975A 1975-10-13 1975-10-13 Earplug type handset equipped with an input-output separator Pending JPS5247715A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12341975A JPS5247715A (en) 1975-10-13 1975-10-13 Earplug type handset equipped with an input-output separator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12341975A JPS5247715A (en) 1975-10-13 1975-10-13 Earplug type handset equipped with an input-output separator

Publications (1)

Publication Number Publication Date
JPS5247715A true JPS5247715A (en) 1977-04-15

Family

ID=14860077

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12341975A Pending JPS5247715A (en) 1975-10-13 1975-10-13 Earplug type handset equipped with an input-output separator

Country Status (1)

Country Link
JP (1) JPS5247715A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723839A (en) * 1980-07-18 1982-02-08 Shimadzu Corp Measuring device for automatic particle size distribution
JPS5723840A (en) * 1980-07-18 1982-02-08 Shimadzu Corp Measuring device for automatic particle size distribution

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723839A (en) * 1980-07-18 1982-02-08 Shimadzu Corp Measuring device for automatic particle size distribution
JPS5723840A (en) * 1980-07-18 1982-02-08 Shimadzu Corp Measuring device for automatic particle size distribution

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