JPS523318A - Howler circuit - Google Patents

Howler circuit

Info

Publication number
JPS523318A
JPS523318A JP7893775A JP7893775A JPS523318A JP S523318 A JPS523318 A JP S523318A JP 7893775 A JP7893775 A JP 7893775A JP 7893775 A JP7893775 A JP 7893775A JP S523318 A JPS523318 A JP S523318A
Authority
JP
Japan
Prior art keywords
howler
transmitting circuit
providing
circuit
signal
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
JP7893775A
Other languages
Japanese (ja)
Other versions
JPS5833746B2 (en
Inventor
Kunio Nagashima
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 JP7893775A priority Critical patent/JPS5833746B2/en
Publication of JPS523318A publication Critical patent/JPS523318A/en
Publication of JPS5833746B2 publication Critical patent/JPS5833746B2/en
Expired legal-status Critical Current

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  • Devices For Supply Of Signal Current (AREA)

Abstract

PURPOSE: Achieving economization of a device by producing a howler tone without providing additionally a howler transmitting circuit having a small utilizating frequency, by providing a dual function of a howler transmitting circuit for handling a signal with a high level and a bell signal transmitting circuit.
COPYRIGHT: (C)1977,JPO&Japio
JP7893775A 1975-06-24 1975-06-24 Howrah Cairo Expired JPS5833746B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7893775A JPS5833746B2 (en) 1975-06-24 1975-06-24 Howrah Cairo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7893775A JPS5833746B2 (en) 1975-06-24 1975-06-24 Howrah Cairo

Publications (2)

Publication Number Publication Date
JPS523318A true JPS523318A (en) 1977-01-11
JPS5833746B2 JPS5833746B2 (en) 1983-07-21

Family

ID=13675782

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7893775A Expired JPS5833746B2 (en) 1975-06-24 1975-06-24 Howrah Cairo

Country Status (1)

Country Link
JP (1) JPS5833746B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5498105A (en) * 1978-01-20 1979-08-02 Nec Corp Howler tone transmission system
JPS57170664A (en) * 1981-04-14 1982-10-20 Taiko Denki Seisakusho:Kk Howler signal transmitting system in time division switchboard

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5498105A (en) * 1978-01-20 1979-08-02 Nec Corp Howler tone transmission system
JPS57170664A (en) * 1981-04-14 1982-10-20 Taiko Denki Seisakusho:Kk Howler signal transmitting system in time division switchboard

Also Published As

Publication number Publication date
JPS5833746B2 (en) 1983-07-21

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