FR998475A - Procédé et appareil indicateurs d'attente, particulièrement destinés aux communications téléphoniques - Google Patents

Procédé et appareil indicateurs d'attente, particulièrement destinés aux communications téléphoniques

Info

Publication number
FR998475A
FR998475A FR998475DA FR998475A FR 998475 A FR998475 A FR 998475A FR 998475D A FR998475D A FR 998475DA FR 998475 A FR998475 A FR 998475A
Authority
FR
France
Prior art keywords
telephone communications
indicators
standby
standby indicators
telephone
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
Other languages
English (en)
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.)
FR D ETUDES ET DE LANCEMENT PU
Original Assignee
FR D ETUDES ET DE LANCEMENT PU
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 FR D ETUDES ET DE LANCEMENT PU filed Critical FR D ETUDES ET DE LANCEMENT PU
Application granted granted Critical
Publication of FR998475A publication Critical patent/FR998475A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/428—Arrangements for placing incoming calls on hold
    • H04M3/4285—Notifying, informing or entertaining a held party while on hold, e.g. Music On Hold

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
FR998475D 1945-10-09 1945-10-09 Procédé et appareil indicateurs d'attente, particulièrement destinés aux communications téléphoniques Expired FR998475A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR998475T 1945-10-09

Publications (1)

Publication Number Publication Date
FR998475A true FR998475A (fr) 1952-01-18

Family

ID=9559353

Family Applications (1)

Application Number Title Priority Date Filing Date
FR998475D Expired FR998475A (fr) 1945-10-09 1945-10-09 Procédé et appareil indicateurs d'attente, particulièrement destinés aux communications téléphoniques

Country Status (1)

Country Link
FR (1) FR998475A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170359A (en) * 1963-05-10 1965-02-23 Mourra Jean George Music box for telephones
US3246082A (en) * 1962-03-26 1966-04-12 Levy Alfred Telephone hold program system
US3806665A (en) * 1973-01-22 1974-04-23 A Goldberg Hold condition indicating reminder
US3946158A (en) * 1974-04-26 1976-03-23 Leclercq Marc A Video-telephone system initially signifies caller to called subscriber
US4182938A (en) * 1977-06-03 1980-01-08 Neumeier Robert G Telephone supporting set

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3246082A (en) * 1962-03-26 1966-04-12 Levy Alfred Telephone hold program system
US3170359A (en) * 1963-05-10 1965-02-23 Mourra Jean George Music box for telephones
US3806665A (en) * 1973-01-22 1974-04-23 A Goldberg Hold condition indicating reminder
US3946158A (en) * 1974-04-26 1976-03-23 Leclercq Marc A Video-telephone system initially signifies caller to called subscriber
US4182938A (en) * 1977-06-03 1980-01-08 Neumeier Robert G Telephone supporting set

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