JPS5432005A - Shunt-type current switch scanning system - Google Patents

Shunt-type current switch scanning system

Info

Publication number
JPS5432005A
JPS5432005A JP9788377A JP9788377A JPS5432005A JP S5432005 A JPS5432005 A JP S5432005A JP 9788377 A JP9788377 A JP 9788377A JP 9788377 A JP9788377 A JP 9788377A JP S5432005 A JPS5432005 A JP S5432005A
Authority
JP
Japan
Prior art keywords
shunt
scanning system
current switch
type current
switch scanning
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
JP9788377A
Other languages
Japanese (ja)
Other versions
JPS5635074B2 (en
Inventor
Toshiaki Suzuki
Takao Ueno
Jinko Saito
Junji Asakura
Yasushi Miyake
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 JP9788377A priority Critical patent/JPS5432005A/en
Publication of JPS5432005A publication Critical patent/JPS5432005A/en
Publication of JPS5635074B2 publication Critical patent/JPS5635074B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)

Abstract

PURPOSE:To reduce the DC signal current flowing to the scanner side at the offhook time by blocking the AC induction vertical voltage in the case of the on-hook through insertion of the diode in series to the shunt resistance.
JP9788377A 1977-08-17 1977-08-17 Shunt-type current switch scanning system Granted JPS5432005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9788377A JPS5432005A (en) 1977-08-17 1977-08-17 Shunt-type current switch scanning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9788377A JPS5432005A (en) 1977-08-17 1977-08-17 Shunt-type current switch scanning system

Publications (2)

Publication Number Publication Date
JPS5432005A true JPS5432005A (en) 1979-03-09
JPS5635074B2 JPS5635074B2 (en) 1981-08-14

Family

ID=14204137

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9788377A Granted JPS5432005A (en) 1977-08-17 1977-08-17 Shunt-type current switch scanning system

Country Status (1)

Country Link
JP (1) JPS5432005A (en)

Also Published As

Publication number Publication date
JPS5635074B2 (en) 1981-08-14

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