JPS52101907A - Shunt type current switching scanning method - Google Patents

Shunt type current switching scanning method

Info

Publication number
JPS52101907A
JPS52101907A JP1793376A JP1793376A JPS52101907A JP S52101907 A JPS52101907 A JP S52101907A JP 1793376 A JP1793376 A JP 1793376A JP 1793376 A JP1793376 A JP 1793376A JP S52101907 A JPS52101907 A JP S52101907A
Authority
JP
Japan
Prior art keywords
current switching
scanning method
type current
switching scanning
shunt type
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
JP1793376A
Other languages
Japanese (ja)
Other versions
JPS5439687B2 (en
Inventor
Shigeo Seki
Makoto Hisamura
Takao Ueno
Akira Ishizawa
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
Nippon Telegraph and Telephone Corp
Original Assignee
Hitachi Ltd
Nippon Telegraph and Telephone Corp
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 Ltd, Nippon Telegraph and Telephone Corp filed Critical Hitachi Ltd
Priority to JP1793376A priority Critical patent/JPS52101907A/en
Publication of JPS52101907A publication Critical patent/JPS52101907A/en
Publication of JPS5439687B2 publication Critical patent/JPS5439687B2/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 distinguish originating call of a telephone and to economize the device by providing a shunt resistor in a current switching scanning circuit in an automatic telephone exchange.
JP1793376A 1976-02-23 1976-02-23 Shunt type current switching scanning method Granted JPS52101907A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1793376A JPS52101907A (en) 1976-02-23 1976-02-23 Shunt type current switching scanning method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1793376A JPS52101907A (en) 1976-02-23 1976-02-23 Shunt type current switching scanning method

Publications (2)

Publication Number Publication Date
JPS52101907A true JPS52101907A (en) 1977-08-26
JPS5439687B2 JPS5439687B2 (en) 1979-11-29

Family

ID=11957566

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1793376A Granted JPS52101907A (en) 1976-02-23 1976-02-23 Shunt type current switching scanning method

Country Status (1)

Country Link
JP (1) JPS52101907A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5466784U (en) * 1977-10-19 1979-05-11

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5466784U (en) * 1977-10-19 1979-05-11

Also Published As

Publication number Publication date
JPS5439687B2 (en) 1979-11-29

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