JPS5381003A - In-band signal system - Google Patents

In-band signal system

Info

Publication number
JPS5381003A
JPS5381003A JP15777776A JP15777776A JPS5381003A JP S5381003 A JPS5381003 A JP S5381003A JP 15777776 A JP15777776 A JP 15777776A JP 15777776 A JP15777776 A JP 15777776A JP S5381003 A JPS5381003 A JP S5381003A
Authority
JP
Japan
Prior art keywords
band signal
signal system
network
rebuilding
tracing
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.)
Granted
Application number
JP15777776A
Other languages
Japanese (ja)
Other versions
JPS5759978B2 (en
Inventor
Haruhisa Ichikawa
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP15777776A priority Critical patent/JPS5381003A/en
Publication of JPS5381003A publication Critical patent/JPS5381003A/en
Publication of JPS5759978B2 publication Critical patent/JPS5759978B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)

Abstract

PURPOSE:A control signal is transmitted to an individual circuit by the provided transmitter-receiver to detect an in-use circuit easily without rebuilding the conventional exchange itself for the network, thereby making it possible to utilize the detection for the network control and tracing the call.
JP15777776A 1976-12-27 1976-12-27 In-band signal system Granted JPS5381003A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15777776A JPS5381003A (en) 1976-12-27 1976-12-27 In-band signal system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15777776A JPS5381003A (en) 1976-12-27 1976-12-27 In-band signal system

Publications (2)

Publication Number Publication Date
JPS5381003A true JPS5381003A (en) 1978-07-18
JPS5759978B2 JPS5759978B2 (en) 1982-12-17

Family

ID=15657055

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15777776A Granted JPS5381003A (en) 1976-12-27 1976-12-27 In-band signal system

Country Status (1)

Country Link
JP (1) JPS5381003A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04292579A (en) * 1991-03-20 1992-10-16 Koji Tonouchi Wind power prime mover
JPH08240U (en) * 1995-08-09 1996-02-06 幸二 殿内 Wind turbine

Also Published As

Publication number Publication date
JPS5759978B2 (en) 1982-12-17

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