JPS58106939A - 呼出し信号送出回路 - Google Patents

呼出し信号送出回路

Info

Publication number
JPS58106939A
JPS58106939A JP20507681A JP20507681A JPS58106939A JP S58106939 A JPS58106939 A JP S58106939A JP 20507681 A JP20507681 A JP 20507681A JP 20507681 A JP20507681 A JP 20507681A JP S58106939 A JPS58106939 A JP S58106939A
Authority
JP
Japan
Prior art keywords
circuit
signal
semiconductor switch
current
semiconductor switches
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
JP20507681A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0255982B2 (enrdf_load_stackoverflow
Inventor
Toshiyuki Tawara
俊幸 田原
Kazuo Hamasato
和雄 浜里
Yasunobu Inabe
井鍋　泰宣
Masahiko Ono
大野　正日子
Shiro Enami
榎並　史朗
Kenzo Hasegawa
長谷川　賢造
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.)
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Original Assignee
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Nippon 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 Fujitsu Ltd, Hitachi Ltd, NEC Corp, Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP20507681A priority Critical patent/JPS58106939A/ja
Publication of JPS58106939A publication Critical patent/JPS58106939A/ja
Publication of JPH0255982B2 publication Critical patent/JPH0255982B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/02—Calling substations, e.g. by ringing
    • H04M3/06—Calling substations, e.g. by ringing the calling signal being supplied from the subscriber's line circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Thyristor Switches And Gates (AREA)
  • Devices For Supply Of Signal Current (AREA)
JP20507681A 1981-12-21 1981-12-21 呼出し信号送出回路 Granted JPS58106939A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20507681A JPS58106939A (ja) 1981-12-21 1981-12-21 呼出し信号送出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20507681A JPS58106939A (ja) 1981-12-21 1981-12-21 呼出し信号送出回路

Publications (2)

Publication Number Publication Date
JPS58106939A true JPS58106939A (ja) 1983-06-25
JPH0255982B2 JPH0255982B2 (enrdf_load_stackoverflow) 1990-11-28

Family

ID=16501020

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20507681A Granted JPS58106939A (ja) 1981-12-21 1981-12-21 呼出し信号送出回路

Country Status (1)

Country Link
JP (1) JPS58106939A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62207023A (ja) * 1986-03-07 1987-09-11 Hitachi Ltd 半導体スイツチ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62207023A (ja) * 1986-03-07 1987-09-11 Hitachi Ltd 半導体スイツチ

Also Published As

Publication number Publication date
JPH0255982B2 (enrdf_load_stackoverflow) 1990-11-28

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