JPH0444476B2 - - Google Patents

Info

Publication number
JPH0444476B2
JPH0444476B2 JP62175929A JP17592987A JPH0444476B2 JP H0444476 B2 JPH0444476 B2 JP H0444476B2 JP 62175929 A JP62175929 A JP 62175929A JP 17592987 A JP17592987 A JP 17592987A JP H0444476 B2 JPH0444476 B2 JP H0444476B2
Authority
JP
Japan
Prior art keywords
circuit
dial
current
capacitor
diode bridge
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 - Lifetime
Application number
JP62175929A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6420790A (en
Inventor
Masaya Kuwano
Yoshihiro Kawada
Hiroshi Wakabayashi
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.)
Iwatsu Electric Co Ltd
Original Assignee
Iwatsu Electric 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 Iwatsu Electric Co Ltd filed Critical Iwatsu Electric Co Ltd
Priority to JP17592987A priority Critical patent/JPS6420790A/ja
Publication of JPS6420790A publication Critical patent/JPS6420790A/ja
Publication of JPH0444476B2 publication Critical patent/JPH0444476B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Interface Circuits In Exchanges (AREA)
JP17592987A 1987-07-16 1987-07-16 Dial pulse transmitting circuit Granted JPS6420790A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17592987A JPS6420790A (en) 1987-07-16 1987-07-16 Dial pulse transmitting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17592987A JPS6420790A (en) 1987-07-16 1987-07-16 Dial pulse transmitting circuit

Publications (2)

Publication Number Publication Date
JPS6420790A JPS6420790A (en) 1989-01-24
JPH0444476B2 true JPH0444476B2 (pm) 1992-07-21

Family

ID=16004719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17592987A Granted JPS6420790A (en) 1987-07-16 1987-07-16 Dial pulse transmitting circuit

Country Status (1)

Country Link
JP (1) JPS6420790A (pm)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0457107A (ja) * 1990-06-27 1992-02-24 Hitachi Ltd ロボットの制御装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS582512A (ja) * 1981-06-26 1983-01-08 Sanyo Electric Co Ltd 石油燃焼器
JPS62217794A (ja) * 1986-03-19 1987-09-25 Iwatsu Electric Co Ltd 電流ル−プ形成回路
JPS62217755A (ja) * 1986-03-19 1987-09-25 Iwatsu Electric Co Ltd ダイヤルパルス送出回路

Also Published As

Publication number Publication date
JPS6420790A (en) 1989-01-24

Similar Documents

Publication Publication Date Title
US4118603A (en) DC signaling circuit for use in conjunction with isolation transformers
JPH0453474B2 (pm)
JP3285348B2 (ja) 電話線直流ループ電流調整器
US4894860A (en) Trunk interface circuitry for telephone systems
US4500754A (en) Solid state off hook phone line load
CA1190680A (en) Current sink for dpt channel unit
CA2016258C (en) Telephone line interface circuit
JPH0444476B2 (pm)
US3676608A (en) Line circuit for a key telephone system
JPH0342836B2 (pm)
US4369337A (en) Central office interface circuit
JPS59133761A (ja) 加入者電話システム
CA1138581A (en) Loop, dial pulse and ring trip detection circuit with capacitive shunt network
JPH0435956B2 (pm)
US3714380A (en) Control arrangement for directionalizing audio transmission
JPS62217755A (ja) ダイヤルパルス送出回路
JPH0767131B2 (ja) 網制御回路
JPH0342835B2 (pm)
JPH0312514B2 (pm)
SU1190536A1 (ru) Телефонна диктофонна система
JPH0350479B2 (pm)
JPH0428197B2 (pm)
JPS6259500B2 (pm)
SU1061289A2 (ru) Абонентское устройство квазиэлектронной АТС малой емкости
JP3032632B2 (ja) 電話共用式遠方監視制御システムの交換網接続方法

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees