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CA952634A - Tone ringer - Google Patents

  • ️Tue Aug 06 1974

CA952634A - Tone ringer - Google Patents

Tone ringer

Info

Publication number
CA952634A
CA952634A CA121,898A CA121898A CA952634A CA 952634 A CA952634 A CA 952634A CA 121898 A CA121898 A CA 121898A CA 952634 A CA952634 A CA 952634A Authority
CA
Canada
Prior art keywords
tone ringer
ringer
tone
Prior art date
1971-01-18
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.)
Expired
Application number
CA121,898A
Other versions
CA121898S (en
Inventor
Robert F. Mcalonie
Helmuth O. Sautter
David C. Trimble
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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.)
1971-01-18
Filing date
1971-09-01
Publication date
1974-08-06
1971-09-01 Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
1973-05-28 Priority to CA172438A priority Critical patent/CA939090A/en
1973-05-28 Priority to CA172437A priority patent/CA939089A/en
1974-08-06 Application granted granted Critical
1974-08-06 Publication of CA952634A publication Critical patent/CA952634A/en
Status Expired 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
CA121,898A 1971-01-18 1971-09-01 Tone ringer Expired CA952634A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA172438A CA939090A (en) 1971-01-18 1973-05-28 Tone ringer
CA172437A CA939089A (en) 1971-01-18 1973-05-28 Tone ringer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10732971A 1971-01-18 1971-01-18

Publications (1)

Publication Number Publication Date
CA952634A true CA952634A (en) 1974-08-06

Family

ID=22316077

Family Applications (3)

Application Number Title Priority Date Filing Date
CA121,898A Expired CA952634A (en) 1971-01-18 1971-09-01 Tone ringer
CA172438A Expired CA939090A (en) 1971-01-18 1973-05-28 Tone ringer
CA172437A Expired CA939089A (en) 1971-01-18 1973-05-28 Tone ringer

Family Applications After (2)

Application Number Title Priority Date Filing Date
CA172438A Expired CA939090A (en) 1971-01-18 1973-05-28 Tone ringer
CA172437A Expired CA939089A (en) 1971-01-18 1973-05-28 Tone ringer

Country Status (9)

Country Link
JP (1) JPS5738065B1 (en)
BE (1) BE778121A (en)
CA (3) CA952634A (en)
CH (1) CH544473A (en)
DE (1) DE2201764C3 (en)
ES (1) ES399297A1 (en)
FR (1) FR2122468B1 (en)
GB (1) GB1372754A (en)
IT (1) IT948859B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5076707U (en) * 1973-11-14 1975-07-03
JPS5180105A (en) * 1975-01-09 1976-07-13 Nakayo Telecommunications
JPS526005A (en) * 1975-07-04 1977-01-18 Oki Electric Ind Co Ltd Tone ringer receiving system
CH619332A5 (en) * 1976-02-02 1980-09-15 Intertel Ii Inc Signal-controlled system for optional blocking or unblocking of a transmission line, and use of the system
JPS5547019A (en) * 1978-09-27 1980-04-02 Sanden Corp Sound insulation device for electromagnetic clutch
JPS56501185A (en) * 1979-08-20 1981-08-20
GB2121648B (en) * 1982-05-24 1986-12-03 Tad Avanti Ring detector and telephone line monitoring system for telephone answering unit
JPS6216669U (en) * 1985-07-12 1987-01-31
DE3535868C1 (en) * 1985-10-08 1987-05-21 Texas Instruments Deutschland Call signal recognition circuitry for telephone subscriber's appts. - has current sensor between rectifier and diode supplying detector sensing frequency
DE4212858A1 (en) * 1992-04-16 1993-10-21 Siemens Ag Ringer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2951910A (en) * 1958-01-14 1960-09-06 North Electric Co Substation signalling device
US3210479A (en) * 1962-08-30 1965-10-05 Automatic Elect Lab Voice-frequency selective signalling arrangement
FR1444467A (en) * 1964-08-25 1966-07-01 Sits Soc It Telecom Siemens Set of components forming a variable note ringtone, especially for subscriber telephone set
US3508012A (en) * 1967-11-24 1970-04-21 Bell Telephone Labor Inc Compatible tone ringer

Also Published As

Publication number Publication date
FR2122468B1 (en) 1975-08-29
CA939089A (en) 1973-12-25
ES399297A1 (en) 1975-05-01
GB1372754A (en) 1974-11-06
BE778121A (en) 1972-05-16
JPS5738065B1 (en) 1982-08-13
DE2201764A1 (en) 1972-08-03
DE2201764B2 (en) 1980-12-18
DE2201764C3 (en) 1981-10-08
JPS4715005A (en) 1972-08-17
CA939090A (en) 1973-12-25
IT948859B (en) 1973-06-11
FR2122468A1 (en) 1972-09-01
CH544473A (en) 1973-11-15

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