FR1444467A - Set of components forming a variable note ringtone, especially for subscriber telephone set - Google Patents

Set of components forming a variable note ringtone, especially for subscriber telephone set

Info

Publication number
FR1444467A
FR1444467A FR27382A FR27382A FR1444467A FR 1444467 A FR1444467 A FR 1444467A FR 27382 A FR27382 A FR 27382A FR 27382 A FR27382 A FR 27382A FR 1444467 A FR1444467 A FR 1444467A
Authority
FR
France
Prior art keywords
ringtone
components forming
subscriber telephone
variable note
telephone set
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.)
Expired
Application number
FR27382A
Other languages
French (fr)
Inventor
Pasquale Postorino
Adalberto Biasiotti
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.)
Italtel SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
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 Societa Italiana Telecomunicazioni Siemens SpA filed Critical Societa Italiana Telecomunicazioni Siemens SpA
Priority to FR27382A priority Critical patent/FR1444467A/en
Application granted granted Critical
Publication of FR1444467A publication Critical patent/FR1444467A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • 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
FR27382A 1964-08-25 1965-08-05 Set of components forming a variable note ringtone, especially for subscriber telephone set Expired FR1444467A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR27382A FR1444467A (en) 1964-08-25 1965-08-05 Set of components forming a variable note ringtone, especially for subscriber telephone set

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT1831964 1964-08-25
FR27382A FR1444467A (en) 1964-08-25 1965-08-05 Set of components forming a variable note ringtone, especially for subscriber telephone set
IT833666 1966-04-13

Publications (1)

Publication Number Publication Date
FR1444467A true FR1444467A (en) 1966-07-01

Family

ID=27242392

Family Applications (1)

Application Number Title Priority Date Filing Date
FR27382A Expired FR1444467A (en) 1964-08-25 1965-08-05 Set of components forming a variable note ringtone, especially for subscriber telephone set

Country Status (1)

Country Link
FR (1) FR1444467A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2122468A1 (en) * 1971-01-18 1972-09-01 Western Electric Co

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2122468A1 (en) * 1971-01-18 1972-09-01 Western Electric Co

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