JPS57210793A - Telephone exchanger - Google Patents

Telephone exchanger

Info

Publication number
JPS57210793A
JPS57210793A JP9510481A JP9510481A JPS57210793A JP S57210793 A JPS57210793 A JP S57210793A JP 9510481 A JP9510481 A JP 9510481A JP 9510481 A JP9510481 A JP 9510481A JP S57210793 A JPS57210793 A JP S57210793A
Authority
JP
Japan
Prior art keywords
outgoing
contacts
relay contact
register
registers
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
JP9510481A
Other languages
Japanese (ja)
Inventor
Junya Ishizaki
Tsutomu Kunida
Taro Matsui
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 JP9510481A priority Critical patent/JPS57210793A/en
Publication of JPS57210793A publication Critical patent/JPS57210793A/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

Abstract

PURPOSE:To connect a plurality of outgoing registers and one of various trunks via relay contacts in outgoing registers. CONSTITUTION:One end of relay contact group (1st-6th relay contacts) is connected to the 1st outgoing register 8, 2nd outgoing register 10 and the Mth outgoing register 12 and another end of the relay contact group is commonly connected to the corresponding realy contacts and is connected to the corresponding trunk. For example, another end of the 6th relay contact 90 for outgoing register 8, 10,...12 is commonly connected and to a conference trunk. Contacts of the 6th relay contact of the 1st outgoing register 8 are closed and the contacts of the 6th relay contact of the 2nd and Mth outgoing registers 10 and 12 are closed, then three subscribers connected to the three outgoing registers can make so-called ''three persons' conference''.
JP9510481A 1981-06-19 1981-06-19 Telephone exchanger Pending JPS57210793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9510481A JPS57210793A (en) 1981-06-19 1981-06-19 Telephone exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9510481A JPS57210793A (en) 1981-06-19 1981-06-19 Telephone exchanger

Publications (1)

Publication Number Publication Date
JPS57210793A true JPS57210793A (en) 1982-12-24

Family

ID=14128558

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9510481A Pending JPS57210793A (en) 1981-06-19 1981-06-19 Telephone exchanger

Country Status (1)

Country Link
JP (1) JPS57210793A (en)

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