JPS5395512A - Call tone sending system - Google Patents

Call tone sending system

Info

Publication number
JPS5395512A
JPS5395512A JP996877A JP996877A JPS5395512A JP S5395512 A JPS5395512 A JP S5395512A JP 996877 A JP996877 A JP 996877A JP 996877 A JP996877 A JP 996877A JP S5395512 A JPS5395512 A JP S5395512A
Authority
JP
Japan
Prior art keywords
call tone
sending system
tone sending
call
transmittable
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
JP996877A
Other languages
Japanese (ja)
Inventor
Yasuo Miyahara
Kazutoki Abe
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 JP996877A priority Critical patent/JPS5395512A/en
Publication of JPS5395512A publication Critical patent/JPS5395512A/en
Pending legal-status Critical Current

Links

Landscapes

  • Devices For Supply Of Signal Current (AREA)

Abstract

PURPOSE: To make transmittable the call tone to the caller and to economize the constitution, by detecting the information for call tone transmission by the call tone transmitter.
COPYRIGHT: (C)1978,JPO&Japio
JP996877A 1977-02-01 1977-02-01 Call tone sending system Pending JPS5395512A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP996877A JPS5395512A (en) 1977-02-01 1977-02-01 Call tone sending system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP996877A JPS5395512A (en) 1977-02-01 1977-02-01 Call tone sending system

Publications (1)

Publication Number Publication Date
JPS5395512A true JPS5395512A (en) 1978-08-21

Family

ID=11734718

Family Applications (1)

Application Number Title Priority Date Filing Date
JP996877A Pending JPS5395512A (en) 1977-02-01 1977-02-01 Call tone sending system

Country Status (1)

Country Link
JP (1) JPS5395512A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62268298A (en) * 1986-05-16 1987-11-20 Nec Corp Private branch radio call system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62268298A (en) * 1986-05-16 1987-11-20 Nec Corp Private branch radio call system
JPH0777460B2 (en) * 1986-05-16 1995-08-16 日本電気株式会社 On-premises radio calling method

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