JPS52106616A - Terminal call - Google Patents

Terminal call

Info

Publication number
JPS52106616A
JPS52106616A JP2380876A JP2380876A JPS52106616A JP S52106616 A JPS52106616 A JP S52106616A JP 2380876 A JP2380876 A JP 2380876A JP 2380876 A JP2380876 A JP 2380876A JP S52106616 A JPS52106616 A JP S52106616A
Authority
JP
Japan
Prior art keywords
terminal call
polarity
reversed
simplify
power source
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
JP2380876A
Other languages
Japanese (ja)
Inventor
Haruo Yanagi
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 JP2380876A priority Critical patent/JPS52106616A/en
Publication of JPS52106616A publication Critical patent/JPS52106616A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To simplify the telephone circuit of station side and home side by calling terminal with the ringing tone generated by the signal which the polarity of -48V power source is reversed to.
COPYRIGHT: (C)1977,JPO&Japio
JP2380876A 1976-03-04 1976-03-04 Terminal call Pending JPS52106616A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2380876A JPS52106616A (en) 1976-03-04 1976-03-04 Terminal call

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2380876A JPS52106616A (en) 1976-03-04 1976-03-04 Terminal call

Publications (1)

Publication Number Publication Date
JPS52106616A true JPS52106616A (en) 1977-09-07

Family

ID=12120616

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2380876A Pending JPS52106616A (en) 1976-03-04 1976-03-04 Terminal call

Country Status (1)

Country Link
JP (1) JPS52106616A (en)

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