JPH0230622B2 - - Google Patents

Info

Publication number
JPH0230622B2
JPH0230622B2 JP58099614A JP9961483A JPH0230622B2 JP H0230622 B2 JPH0230622 B2 JP H0230622B2 JP 58099614 A JP58099614 A JP 58099614A JP 9961483 A JP9961483 A JP 9961483A JP H0230622 B2 JPH0230622 B2 JP H0230622B2
Authority
JP
Japan
Prior art keywords
signal
message waiting
relay
circuit
transmitting
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
JP58099614A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60149A (ja
Inventor
Kenichi Sagara
Masaki Komatsu
Yoshitaka Suga
Hiroyuki Haishi
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.)
Hitachi Ltd
Original Assignee
Hitachi Telecom Technologies 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 Hitachi Telecom Technologies Ltd filed Critical Hitachi Telecom Technologies Ltd
Priority to JP9961483A priority Critical patent/JPS60149A/ja
Publication of JPS60149A publication Critical patent/JPS60149A/ja
Publication of JPH0230622B2 publication Critical patent/JPH0230622B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
JP9961483A 1983-06-06 1983-06-06 信号送出制御方式 Granted JPS60149A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9961483A JPS60149A (ja) 1983-06-06 1983-06-06 信号送出制御方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9961483A JPS60149A (ja) 1983-06-06 1983-06-06 信号送出制御方式

Publications (2)

Publication Number Publication Date
JPS60149A JPS60149A (ja) 1985-01-05
JPH0230622B2 true JPH0230622B2 (cg-RX-API-DMAC7.html) 1990-07-09

Family

ID=14251968

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9961483A Granted JPS60149A (ja) 1983-06-06 1983-06-06 信号送出制御方式

Country Status (1)

Country Link
JP (1) JPS60149A (cg-RX-API-DMAC7.html)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52132615A (en) * 1976-04-30 1977-11-07 Nec Corp Sending system of ringing tone and call signal
JPS5593364A (en) * 1979-01-08 1980-07-15 Nec Corp Transmission system for digital audible signal tone
JPS55115787A (en) * 1979-02-28 1980-09-05 Fujitsu Ltd Delivery control system for dial pulse

Also Published As

Publication number Publication date
JPS60149A (ja) 1985-01-05

Similar Documents

Publication Publication Date Title
JPS5839423B2 (ja) 無線回線制御方式
JPH0352016A (ja) 電源装置の二重化起動方式
JPH0230622B2 (cg-RX-API-DMAC7.html)
JP2635703B2 (ja) 無線電話システム
US5230018A (en) Communication system for activating an optical display in a communication terminal of a communication switching station
JPS63232599A (ja) 電話システム
JPH01204549A (ja) 変復調装置
JPH0468951A (ja) 呼出信号制御方法および装置
JPS63158049U (cg-RX-API-DMAC7.html)
JPH0112458Y2 (cg-RX-API-DMAC7.html)
JPH01218160A (ja) ファクシミリシステム
JPS6175653A (ja) 加入者線試験引込方式
JPS6166457A (ja) 複数端末間同時通信装置
JPS63232532A (ja) 構内コ−ドレス電話における呼び出し方式
JPH06253054A (ja) 端末制御方式
JPH02301253A (ja) 加入者呼出信号送出回路
JPH03153151A (ja) 二重電話番号切替え方式
JPH09233201A (ja) インターホン装置
JPS62272648A (ja) 電話コントロ−ラ
JPH0779491B2 (ja) 終話信号送出回路
JPH03187657A (ja) 電話端末装置
JPH03286695A (ja) 構内交換方法
JPS635655A (ja) ネツトワ−クタ−ミネ−タ
JPH01276867A (ja) ボタン電話装置
JPS6295059A (ja) 内線相互キヤンプオン方式