JPS5342606A - Telephone set - Google Patents

Telephone set

Info

Publication number
JPS5342606A
JPS5342606A JP11752076A JP11752076A JPS5342606A JP S5342606 A JPS5342606 A JP S5342606A JP 11752076 A JP11752076 A JP 11752076A JP 11752076 A JP11752076 A JP 11752076A JP S5342606 A JPS5342606 A JP S5342606A
Authority
JP
Japan
Prior art keywords
telephone set
transformer
realizing
eliminate
compact
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
JP11752076A
Other languages
Japanese (ja)
Other versions
JPS5528625B2 (en
Inventor
Toshiro Oga
Yoshio Shiratori
Mizuhiro Hida
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP11752076A priority Critical patent/JPS5342606A/en
Publication of JPS5342606A publication Critical patent/JPS5342606A/en
Publication of JPS5528625B2 publication Critical patent/JPS5528625B2/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)

Abstract

PURPOSE:The impedance viewed from the electric terminal of a receiver is used as a transformer for stopping side tones in order to eliminate the need for a hybrid transformer, thereby realizing the low-cost, compact and lightweight circuit.
JP11752076A 1976-09-30 1976-09-30 Telephone set Granted JPS5342606A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11752076A JPS5342606A (en) 1976-09-30 1976-09-30 Telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11752076A JPS5342606A (en) 1976-09-30 1976-09-30 Telephone set

Publications (2)

Publication Number Publication Date
JPS5342606A true JPS5342606A (en) 1978-04-18
JPS5528625B2 JPS5528625B2 (en) 1980-07-29

Family

ID=14713794

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11752076A Granted JPS5342606A (en) 1976-09-30 1976-09-30 Telephone set

Country Status (1)

Country Link
JP (1) JPS5342606A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62188459A (en) * 1986-02-13 1987-08-18 Matsushita Electric Ind Co Ltd Telephone set incorporating speaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62188459A (en) * 1986-02-13 1987-08-18 Matsushita Electric Ind Co Ltd Telephone set incorporating speaker

Also Published As

Publication number Publication date
JPS5528625B2 (en) 1980-07-29

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