JPS5531320A - Package draw-out information system - Google Patents

Package draw-out information system

Info

Publication number
JPS5531320A
JPS5531320A JP10445278A JP10445278A JPS5531320A JP S5531320 A JPS5531320 A JP S5531320A JP 10445278 A JP10445278 A JP 10445278A JP 10445278 A JP10445278 A JP 10445278A JP S5531320 A JPS5531320 A JP S5531320A
Authority
JP
Japan
Prior art keywords
package
signal
control unit
sent
trunks
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
JP10445278A
Other languages
Japanese (ja)
Inventor
Asuhiko Kumashiro
Yoshinori Oikawa
Susumu Shirasawa
Shiro Enami
Kensaku Fujii
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 JP10445278A priority Critical patent/JPS5531320A/en
Publication of JPS5531320A publication Critical patent/JPS5531320A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing

Abstract

PURPOSE:To inform the operator of the telephone exchange that the unmounted package has been drawn out by the control signal sent from the control unit in case the terminal unit such as the trunk of the digital telephone exchange features the electronic package structure. CONSTITUTION:The clock pulse is supplied to register 102 by strobe signal 106 sent from the control unit plus package designation signal 107 and via NOR gate 103, and data 105 is set to register 102. Signal 107 is transmitted only to one package among plural units of trunks 101. As a result, the control unit can give the identification between the mounted and unmounted states of the package just by having the supervisory for the presence or absence of the package designation signal which is sent back via line 108 to which the output of buffers 104 of trunks 101 are connected mutually.
JP10445278A 1978-08-29 1978-08-29 Package draw-out information system Pending JPS5531320A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10445278A JPS5531320A (en) 1978-08-29 1978-08-29 Package draw-out information system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10445278A JPS5531320A (en) 1978-08-29 1978-08-29 Package draw-out information system

Publications (1)

Publication Number Publication Date
JPS5531320A true JPS5531320A (en) 1980-03-05

Family

ID=14381006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10445278A Pending JPS5531320A (en) 1978-08-29 1978-08-29 Package draw-out information system

Country Status (1)

Country Link
JP (1) JPS5531320A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5917623A (en) * 1982-07-21 1984-01-28 Matsushita Electric Ind Co Ltd Device for detecting mounting state of printed board
JPS59125151A (en) * 1982-12-30 1984-07-19 Fujitsu Ltd Monitoring system of omission of card
JPS59152792A (en) * 1983-02-18 1984-08-31 Fujitsu Ltd Automatic forming system of mounting table of station equipment
JPS59185457A (en) * 1983-04-05 1984-10-22 Nec Corp Trunk mounting confirming system
EP0124795A2 (en) 1983-04-11 1984-11-14 Fuji Photo Film Co., Ltd. Silver halide photographic emulsion
JPH04170196A (en) * 1990-11-01 1992-06-17 Canon Inc Board system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5917623A (en) * 1982-07-21 1984-01-28 Matsushita Electric Ind Co Ltd Device for detecting mounting state of printed board
JPS59125151A (en) * 1982-12-30 1984-07-19 Fujitsu Ltd Monitoring system of omission of card
JPH0239911B2 (en) * 1982-12-30 1990-09-07 Fujitsu Ltd
JPS59152792A (en) * 1983-02-18 1984-08-31 Fujitsu Ltd Automatic forming system of mounting table of station equipment
JPS59185457A (en) * 1983-04-05 1984-10-22 Nec Corp Trunk mounting confirming system
EP0124795A2 (en) 1983-04-11 1984-11-14 Fuji Photo Film Co., Ltd. Silver halide photographic emulsion
JPH04170196A (en) * 1990-11-01 1992-06-17 Canon Inc Board system
JP2712816B2 (en) * 1990-11-01 1998-02-16 キヤノン株式会社 Time-division switching equipment

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