JPS5228810A - Automatic telephone exchange system - Google Patents

Automatic telephone exchange system

Info

Publication number
JPS5228810A
JPS5228810A JP10407175A JP10407175A JPS5228810A JP S5228810 A JPS5228810 A JP S5228810A JP 10407175 A JP10407175 A JP 10407175A JP 10407175 A JP10407175 A JP 10407175A JP S5228810 A JPS5228810 A JP S5228810A
Authority
JP
Japan
Prior art keywords
exchange system
telephone exchange
automatic telephone
preventing
abonormal
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
JP10407175A
Other languages
Japanese (ja)
Inventor
Yasuo Kato
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 JP10407175A priority Critical patent/JPS5228810A/en
Publication of JPS5228810A publication Critical patent/JPS5228810A/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 promote the service for the subscribers, by preventing the abonormal traffic by preventing the recalls such as troubles of number group and so on, by means of establishing a monitor circuit within the marker.
JP10407175A 1975-08-29 1975-08-29 Automatic telephone exchange system Pending JPS5228810A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10407175A JPS5228810A (en) 1975-08-29 1975-08-29 Automatic telephone exchange system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10407175A JPS5228810A (en) 1975-08-29 1975-08-29 Automatic telephone exchange system

Publications (1)

Publication Number Publication Date
JPS5228810A true JPS5228810A (en) 1977-03-04

Family

ID=14370916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10407175A Pending JPS5228810A (en) 1975-08-29 1975-08-29 Automatic telephone exchange system

Country Status (1)

Country Link
JP (1) JPS5228810A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5658814A (en) * 1979-10-18 1981-05-22 Chiyoda Giken Kogyo Kk Vibration deemolding device for concrete product
JPS56146707A (en) * 1980-04-16 1981-11-14 Koyo Chiyuuki Kk Multiple-row automatic mold releasing method for block formwork for engineering work
JPS56146708A (en) * 1980-04-16 1981-11-14 Koyo Chiyuuki Kk Multiple-row automatic mold releasing method for block formwork for engineering work
JPS56146706A (en) * 1980-04-16 1981-11-14 Koyo Chiyuuki Kk Method of assembling block formwork for engineering work

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5658814A (en) * 1979-10-18 1981-05-22 Chiyoda Giken Kogyo Kk Vibration deemolding device for concrete product
JPS5760123B2 (en) * 1979-10-18 1982-12-17 Chiyoda Giken Kogyo Kk
JPS56146707A (en) * 1980-04-16 1981-11-14 Koyo Chiyuuki Kk Multiple-row automatic mold releasing method for block formwork for engineering work
JPS56146708A (en) * 1980-04-16 1981-11-14 Koyo Chiyuuki Kk Multiple-row automatic mold releasing method for block formwork for engineering work
JPS56146706A (en) * 1980-04-16 1981-11-14 Koyo Chiyuuki Kk Method of assembling block formwork for engineering work
JPS589733B2 (en) * 1980-04-16 1983-02-22 光洋鋳機株式会社 Multi-row automatic demolding equipment for civil engineering block forming frames
JPS589732B2 (en) * 1980-04-16 1983-02-22 光洋鋳機株式会社 Multi-row automatic demolding equipment for civil engineering block forming frames
JPS5831283B2 (en) * 1980-04-16 1983-07-05 光洋鋳機株式会社 How to assemble block molding frames for civil engineering

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