JPS59140759A - 電話機のダイヤル回路 - Google Patents

電話機のダイヤル回路

Info

Publication number
JPS59140759A
JPS59140759A JP1432183A JP1432183A JPS59140759A JP S59140759 A JPS59140759 A JP S59140759A JP 1432183 A JP1432183 A JP 1432183A JP 1432183 A JP1432183 A JP 1432183A JP S59140759 A JPS59140759 A JP S59140759A
Authority
JP
Japan
Prior art keywords
circuit
switch
transistor
turns
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.)
Granted
Application number
JP1432183A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6366109B2 (enrdf_load_stackoverflow
Inventor
Koji Yamamiya
耕二 山宮
Hitoshi Yamamoto
仁 山本
Norio Saito
斉藤　典夫
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 JP1432183A priority Critical patent/JPS59140759A/ja
Publication of JPS59140759A publication Critical patent/JPS59140759A/ja
Publication of JPS6366109B2 publication Critical patent/JPS6366109B2/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)
JP1432183A 1983-01-31 1983-01-31 電話機のダイヤル回路 Granted JPS59140759A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1432183A JPS59140759A (ja) 1983-01-31 1983-01-31 電話機のダイヤル回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1432183A JPS59140759A (ja) 1983-01-31 1983-01-31 電話機のダイヤル回路

Publications (2)

Publication Number Publication Date
JPS59140759A true JPS59140759A (ja) 1984-08-13
JPS6366109B2 JPS6366109B2 (enrdf_load_stackoverflow) 1988-12-19

Family

ID=11857814

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1432183A Granted JPS59140759A (ja) 1983-01-31 1983-01-31 電話機のダイヤル回路

Country Status (1)

Country Link
JP (1) JPS59140759A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62100060A (ja) * 1985-10-28 1987-05-09 Iwatsu Electric Co Ltd 電流供給回路
JPS63110853A (ja) * 1986-10-28 1988-05-16 Nitsuko Corp ダイヤルパルス送出回路
JPS63110852A (ja) * 1986-10-28 1988-05-16 Nitsuko Corp ダイヤルパルス送出回路
US4815126A (en) * 1985-07-18 1989-03-21 Alcatel N.V. Telephone line switch

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4815126A (en) * 1985-07-18 1989-03-21 Alcatel N.V. Telephone line switch
JPH0795773B2 (ja) * 1985-07-18 1995-10-11 アルカテル・エヌ・ブイ 電話機ラインスイッチ
JPS62100060A (ja) * 1985-10-28 1987-05-09 Iwatsu Electric Co Ltd 電流供給回路
JPS63110853A (ja) * 1986-10-28 1988-05-16 Nitsuko Corp ダイヤルパルス送出回路
JPS63110852A (ja) * 1986-10-28 1988-05-16 Nitsuko Corp ダイヤルパルス送出回路

Also Published As

Publication number Publication date
JPS6366109B2 (enrdf_load_stackoverflow) 1988-12-19

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