JPS6222297B2 - - Google Patents

Info

Publication number
JPS6222297B2
JPS6222297B2 JP16918281A JP16918281A JPS6222297B2 JP S6222297 B2 JPS6222297 B2 JP S6222297B2 JP 16918281 A JP16918281 A JP 16918281A JP 16918281 A JP16918281 A JP 16918281A JP S6222297 B2 JPS6222297 B2 JP S6222297B2
Authority
JP
Japan
Prior art keywords
circuit
dial
transistor
telephone
voltage
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.)
Expired
Application number
JP16918281A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5869154A (ja
Inventor
Norio Saito
Hitoshi Yamamoto
Masayuki Murakami
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.)
Taiko Electric Works Ltd
Original Assignee
Taiko Electric Works 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 Taiko Electric Works Ltd filed Critical Taiko Electric Works Ltd
Priority to JP16918281A priority Critical patent/JPS5869154A/ja
Publication of JPS5869154A publication Critical patent/JPS5869154A/ja
Publication of JPS6222297B2 publication Critical patent/JPS6222297B2/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
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • H04M1/312—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses pulses produced by electronic circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP16918281A 1981-10-21 1981-10-21 押しボタン式ｄｐ信号送出ダイヤルのパルス発生回路 Granted JPS5869154A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16918281A JPS5869154A (ja) 1981-10-21 1981-10-21 押しボタン式ｄｐ信号送出ダイヤルのパルス発生回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16918281A JPS5869154A (ja) 1981-10-21 1981-10-21 押しボタン式ｄｐ信号送出ダイヤルのパルス発生回路

Publications (2)

Publication Number Publication Date
JPS5869154A JPS5869154A (ja) 1983-04-25
JPS6222297B2 true JPS6222297B2 (cs) 1987-05-18

Family

ID=15881757

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16918281A Granted JPS5869154A (ja) 1981-10-21 1981-10-21 押しボタン式ｄｐ信号送出ダイヤルのパルス発生回路

Country Status (1)

Country Link
JP (1) JPS5869154A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0326702Y2 (cs) * 1985-04-24 1991-06-10

Also Published As

Publication number Publication date
JPS5869154A (ja) 1983-04-25

Similar Documents

Publication Publication Date Title
US4472602A (en) Telephone set with transducer/ringer
JPS6222297B2 (cs)
GB2076264A (en) A voice switch for hands free communication apparatus
JPS6366109B2 (cs)
US4442322A (en) Electronic common switch having an improved receiver mating arrangement
US4374307A (en) Ringer system for a telephone
US4058679A (en) Telephone answering device without outgoing message tape
JPS6325548B2 (cs)
JPS6260864B2 (cs)
JP2943990B2 (ja) 電話機
JPH0326702Y2 (cs)
JP2610976B2 (ja) Ｄｔｍｆダイヤラ
JPS5949047A (ja) 押しボタン式ｄｐ信号送出ダイヤル
JPS626725Y2 (cs)
JPH0326712Y2 (cs)
JP2815623B2 (ja) 電話機
KR870001638B1 (ko) 전화기의 후크 프레시(Hook Flash)회로
JP2685765B2 (ja) ダイヤルパルス安定送出回路
KR910003919B1 (ko) 온 후크 다이얼 장치의 오동작 방지회로
JPS6312604Y2 (cs)
JPS599471Y2 (ja) ダイヤル信号変換回路
JP2889680B2 (ja) 電話機の機能設定回路
JPH0132440Y2 (cs)
JPS6127238Y2 (cs)
JPH0320944B2 (cs)