JPS53132208A - Delivery system for call signal - Google Patents

Delivery system for call signal

Info

Publication number
JPS53132208A
JPS53132208A JP4708077A JP4708077A JPS53132208A JP S53132208 A JPS53132208 A JP S53132208A JP 4708077 A JP4708077 A JP 4708077A JP 4708077 A JP4708077 A JP 4708077A JP S53132208 A JPS53132208 A JP S53132208A
Authority
JP
Japan
Prior art keywords
delivery system
call signal
call
subscriber
reduce
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
JP4708077A
Other languages
Japanese (ja)
Inventor
Junichi Shimizu
Satoshi Inoue
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 JP4708077A priority Critical patent/JPS53132208A/en
Publication of JPS53132208A publication Critical patent/JPS53132208A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/02—Calling substations, e.g. by ringing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)

Abstract

PURPOSE:To reduce the time of silent condition in calling out a subscriber at incoming call, by using a plural number of call-out intermittent signal sources having different phases.
JP4708077A 1977-04-22 1977-04-22 Delivery system for call signal Pending JPS53132208A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4708077A JPS53132208A (en) 1977-04-22 1977-04-22 Delivery system for call signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4708077A JPS53132208A (en) 1977-04-22 1977-04-22 Delivery system for call signal

Publications (1)

Publication Number Publication Date
JPS53132208A true JPS53132208A (en) 1978-11-17

Family

ID=12765186

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4708077A Pending JPS53132208A (en) 1977-04-22 1977-04-22 Delivery system for call signal

Country Status (1)

Country Link
JP (1) JPS53132208A (en)

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