FR2431803A1 - Transmetteur telephonique a programme - Google Patents

Transmetteur telephonique a programme

Info

Publication number
FR2431803A1
FR2431803A1 FR7821555A FR7821555A FR2431803A1 FR 2431803 A1 FR2431803 A1 FR 2431803A1 FR 7821555 A FR7821555 A FR 7821555A FR 7821555 A FR7821555 A FR 7821555A FR 2431803 A1 FR2431803 A1 FR 2431803A1
Authority
FR
France
Prior art keywords
relay
microprocessor
memory
transmission system
read input
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
FR7821555A
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.)
SECOM SA
Original Assignee
SECOM SA
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 SECOM SA filed Critical SECOM SA
Priority to FR7821555A priority Critical patent/FR2431803A1/fr
Publication of FR2431803A1 publication Critical patent/FR2431803A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
    • H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
    • H04M1/2745—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc using static electronic memories, e.g. chips
    • H04M1/2749—Automatic dialling or redialling systems, e.g. on off-hook or redial on busy

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
  • Selective Calling Equipment (AREA)

Abstract

Transmetteur d'appels et de messages codés téléphoniques préalablement programmés. Ce transmetteur comprend une mémoire 1 lue par un micro-processeur 2 qui envoie l'appel et le message codé sur la ligne téléphonique par l'intermédiaire d'un transformateur 5, la tonalité et le décroché du central de réception déclenchant le microprocesseur par l'intermédiaire d'un amplificateur 7, un relais 6 dont le contact 6a est branché sur la ligne, étant commandé par le microprocesseur.
FR7821555A 1978-07-20 1978-07-20 Transmetteur telephonique a programme Pending FR2431803A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7821555A FR2431803A1 (fr) 1978-07-20 1978-07-20 Transmetteur telephonique a programme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7821555A FR2431803A1 (fr) 1978-07-20 1978-07-20 Transmetteur telephonique a programme

Publications (1)

Publication Number Publication Date
FR2431803A1 true FR2431803A1 (fr) 1980-02-15

Family

ID=9210964

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7821555A Pending FR2431803A1 (fr) 1978-07-20 1978-07-20 Transmetteur telephonique a programme

Country Status (1)

Country Link
FR (1) FR2431803A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2434527A1 (fr) * 1978-08-23 1980-03-21 Secom Sa Transmetteur telephonique a bande
EP0037573A1 (fr) * 1980-04-07 1981-10-14 NEWART ELECTRONIC SCIENCES, Inc. Appareil pour la transmission automatique de messages téléphoniques

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868479A (en) * 1972-10-30 1975-02-25 Delta Products Inc Telephonic alarm reporting apparatus
US4086434A (en) * 1976-09-07 1978-04-25 Leo P. Christiansen Remote condition reporting system
FR2371739A1 (fr) * 1976-11-23 1978-06-16 Fortchantre Claude Dispositif transmetteur d'alerte sur ligne telephonique

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868479A (en) * 1972-10-30 1975-02-25 Delta Products Inc Telephonic alarm reporting apparatus
US4086434A (en) * 1976-09-07 1978-04-25 Leo P. Christiansen Remote condition reporting system
FR2371739A1 (fr) * 1976-11-23 1978-06-16 Fortchantre Claude Dispositif transmetteur d'alerte sur ligne telephonique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2434527A1 (fr) * 1978-08-23 1980-03-21 Secom Sa Transmetteur telephonique a bande
EP0037573A1 (fr) * 1980-04-07 1981-10-14 NEWART ELECTRONIC SCIENCES, Inc. Appareil pour la transmission automatique de messages téléphoniques

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