JPS5330808A - Incoming trunk equipment - Google Patents

Incoming trunk equipment

Info

Publication number
JPS5330808A
JPS5330808A JP10504776A JP10504776A JPS5330808A JP S5330808 A JPS5330808 A JP S5330808A JP 10504776 A JP10504776 A JP 10504776A JP 10504776 A JP10504776 A JP 10504776A JP S5330808 A JPS5330808 A JP S5330808A
Authority
JP
Japan
Prior art keywords
incoming trunk
trunk equipment
equipment
incoming
receiving circuit
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
JP10504776A
Other languages
Japanese (ja)
Inventor
Hiroshi Chikira
Yoshinori Tawara
Yukio Iino
Masayoshi Nakayamada
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 JP10504776A priority Critical patent/JPS5330808A/en
Publication of JPS5330808A publication Critical patent/JPS5330808A/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)
  • Interface Circuits In Exchanges (AREA)

Abstract

PURPOSE:Depending upon an incoming class, etc., an incoming trunk equipment is controlled from a common equipment to eliminate the causes of the malfunction of a multifrequency-signal receiving circuit and return-signal receiving circuit, thereby improving the dead transmission of signals and signal tones.
JP10504776A 1976-09-03 1976-09-03 Incoming trunk equipment Pending JPS5330808A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10504776A JPS5330808A (en) 1976-09-03 1976-09-03 Incoming trunk equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10504776A JPS5330808A (en) 1976-09-03 1976-09-03 Incoming trunk equipment

Publications (1)

Publication Number Publication Date
JPS5330808A true JPS5330808A (en) 1978-03-23

Family

ID=14397073

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10504776A Pending JPS5330808A (en) 1976-09-03 1976-09-03 Incoming trunk equipment

Country Status (1)

Country Link
JP (1) JPS5330808A (en)

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