JPS53143105A - Detecting system for response signal in error - Google Patents

Detecting system for response signal in error

Info

Publication number
JPS53143105A
JPS53143105A JP5855377A JP5855377A JPS53143105A JP S53143105 A JPS53143105 A JP S53143105A JP 5855377 A JP5855377 A JP 5855377A JP 5855377 A JP5855377 A JP 5855377A JP S53143105 A JPS53143105 A JP S53143105A
Authority
JP
Japan
Prior art keywords
error
response signal
detecting system
detecting
errors
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.)
Pending
Application number
JP5855377A
Other languages
Japanese (ja)
Inventor
Kazuaki Iwasaki
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP5855377A priority Critical patent/JPS53143105A/en
Publication of JPS53143105A publication Critical patent/JPS53143105A/en
Pending 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)

Abstract

PURPOSE:To prevent charging in error, and to increase servicing calling subscribers and the effective use of equipment, by detecting the response signals during transmission of numeric information for errors, if any, in the dial impulse information system unit of a XB exchange.
JP5855377A 1977-05-20 1977-05-20 Detecting system for response signal in error Pending JPS53143105A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5855377A JPS53143105A (en) 1977-05-20 1977-05-20 Detecting system for response signal in error

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5855377A JPS53143105A (en) 1977-05-20 1977-05-20 Detecting system for response signal in error

Publications (1)

Publication Number Publication Date
JPS53143105A true JPS53143105A (en) 1978-12-13

Family

ID=13087640

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5855377A Pending JPS53143105A (en) 1977-05-20 1977-05-20 Detecting system for response signal in error

Country Status (1)

Country Link
JP (1) JPS53143105A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102472285A (en) * 2009-08-14 2012-05-23 株式会社爱发科 Dry pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102472285A (en) * 2009-08-14 2012-05-23 株式会社爱发科 Dry pump
US8512016B2 (en) 2009-08-14 2013-08-20 Ulvac, Inc. Positive-displacement dry pump

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