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JPS5222405A - Dial signal processing system - Google Patents

Dial signal processing system

Info

Publication number
JPS5222405A
JPS5222405A JP9762775A JP9762775A JPS5222405A JP S5222405 A JPS5222405 A JP S5222405A JP 9762775 A JP9762775 A JP 9762775A JP 9762775 A JP9762775 A JP 9762775A JP S5222405 A JPS5222405 A JP S5222405A
Authority
JP
Japan
Prior art keywords
dial signal
signal processing
processing system
dial
signal
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
JP9762775A
Other languages
Japanese (ja)
Other versions
JPS5713195B2 (en
Inventor
Shogo Nishikiori
Kenji Mochizuki
Shigenobu Yamamoto
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 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 Ltd filed Critical Hitachi Ltd
Priority to JP9762775A priority Critical patent/JPS5222405A/en
Publication of JPS5222405A publication Critical patent/JPS5222405A/en
Publication of JPS5713195B2 publication Critical patent/JPS5713195B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Abstract

PURPOSE:To discriminate that a dial signal which is of a kind different from the dial signal of the first numbral has arrived after the second numeral and to process it as a misdialing signal.
JP9762775A 1975-08-13 1975-08-13 Dial signal processing system Granted JPS5222405A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9762775A JPS5222405A (en) 1975-08-13 1975-08-13 Dial signal processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9762775A JPS5222405A (en) 1975-08-13 1975-08-13 Dial signal processing system

Publications (2)

Publication Number Publication Date
JPS5222405A true JPS5222405A (en) 1977-02-19
JPS5713195B2 JPS5713195B2 (en) 1982-03-16

Family

ID=14197406

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9762775A Granted JPS5222405A (en) 1975-08-13 1975-08-13 Dial signal processing system

Country Status (1)

Country Link
JP (1) JPS5222405A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0214949Y2 (en) * 1986-10-01 1990-04-23

Also Published As

Publication number Publication date
JPS5713195B2 (en) 1982-03-16

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