JPS522308A - Tone ringer circuit - Google Patents

Tone ringer circuit

Info

Publication number
JPS522308A
JPS522308A JP7783175A JP7783175A JPS522308A JP S522308 A JPS522308 A JP S522308A JP 7783175 A JP7783175 A JP 7783175A JP 7783175 A JP7783175 A JP 7783175A JP S522308 A JPS522308 A JP S522308A
Authority
JP
Japan
Prior art keywords
tone ringer
ringer circuit
tone quality
circuit
tone
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
JP7783175A
Other languages
Japanese (ja)
Inventor
Yuji Tsuruga
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.)
Iwatsu Electric Co Ltd
Iwasaki Tsushinki KK
Original Assignee
Iwatsu Electric Co Ltd
Iwasaki Tsushinki KK
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 Iwatsu Electric Co Ltd, Iwasaki Tsushinki KK filed Critical Iwatsu Electric Co Ltd
Priority to JP7783175A priority Critical patent/JPS522308A/en
Publication of JPS522308A publication Critical patent/JPS522308A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

Abstract

PURPOSE:To provide a device capable of generating call sound of a fixed tone quality regardless of frequencies and amplitudes of call signals, and of freely changing the tone quality as necessity.
JP7783175A 1975-06-24 1975-06-24 Tone ringer circuit Pending JPS522308A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7783175A JPS522308A (en) 1975-06-24 1975-06-24 Tone ringer circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7783175A JPS522308A (en) 1975-06-24 1975-06-24 Tone ringer circuit

Publications (1)

Publication Number Publication Date
JPS522308A true JPS522308A (en) 1977-01-10

Family

ID=13644975

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7783175A Pending JPS522308A (en) 1975-06-24 1975-06-24 Tone ringer circuit

Country Status (1)

Country Link
JP (1) JPS522308A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56119567U (en) * 1980-02-13 1981-09-11
JPS57190449A (en) * 1981-05-20 1982-11-24 Fujitsu Ltd Driver for telephone calling sounder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56119567U (en) * 1980-02-13 1981-09-11
JPS57190449A (en) * 1981-05-20 1982-11-24 Fujitsu Ltd Driver for telephone calling sounder
JPH0136295B2 (en) * 1981-05-20 1989-07-31 Fujitsu Kk

Similar Documents

Publication Publication Date Title
JPS51118307A (en) Device for generating call signal tone
JPS522308A (en) Tone ringer circuit
JPS5229725A (en) Acoustic equipment diaphragm
JPS5230418A (en) Head phone
JPS523307A (en) Torn ringer circuit
JPS523424A (en) Non-combustible speaker vibration plate
JPS5210005A (en) Telephon
JPS523423A (en) Cone type speaker
JPS5233518A (en) Vibrating plate for speaker
JPS5310420A (en) Speaker
JPS5235907A (en) High sound simultaneous communication unit
JPS51129219A (en) Dynamic electrical acoustic converter
JPS5435604A (en) Ringing system of push-button telephone set
JPS5216218A (en) Speaker spider
JPS524818A (en) Speaker
JPS51146820A (en) Speaker vibrating plate damping device making use of magnet repulsion.
JPS5230145A (en) Sound play back unit
JPS5276026A (en) Head-phone device
JPS5242113A (en) High sound speaker using plane oscillation plate
JPS51132905A (en) Telephone call apparatus
JPS523318A (en) Howler circuit
JPS53132911A (en) Telephone set
JPS5224016A (en) Telephone speech recorder
JPS5235503A (en) Stop ring circuit for telephone bell ring
JPS51151526A (en) Loud speaker