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BR8103249A - Cartao sonoro para codificacao numerica atraves de linha telefonica - Google Patents

Cartao sonoro para codificacao numerica atraves de linha telefonica

Info

Publication number
BR8103249A
BR8103249A BR8103249A BR8103249A BR8103249A BR 8103249 A BR8103249 A BR 8103249A BR 8103249 A BR8103249 A BR 8103249A BR 8103249 A BR8103249 A BR 8103249A BR 8103249 A BR8103249 A BR 8103249A
Authority
BR
Brazil
Prior art keywords
telephone line
sound card
number coding
coding
sound
Prior art date
Application number
BR8103249A
Other languages
English (en)
Inventor
Donald Elmar Schause
Original Assignee
Schause S A Ind Mecanica & Ele
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 Schause S A Ind Mecanica & Ele filed Critical Schause S A Ind Mecanica & Ele
Priority to BR8103249A priority Critical patent/BR8103249A/pt
Priority to PCT/BR1982/000008 priority patent/WO1982004169A1/en
Priority to EP19820901493 priority patent/EP0079347A1/en
Publication of BR8103249A publication Critical patent/BR8103249A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/066—Telephone sets adapted for data transmision

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
  • Credit Cards Or The Like (AREA)
BR8103249A 1981-05-21 1981-05-21 Cartao sonoro para codificacao numerica atraves de linha telefonica BR8103249A (pt)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR8103249A BR8103249A (pt) 1981-05-21 1981-05-21 Cartao sonoro para codificacao numerica atraves de linha telefonica
PCT/BR1982/000008 WO1982004169A1 (en) 1981-05-21 1982-05-21 Sonorous card for numerical codification through telephone line
EP19820901493 EP0079347A1 (en) 1981-05-21 1982-05-21 Sonorous card for numerical codification through telephone line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR8103249A BR8103249A (pt) 1981-05-21 1981-05-21 Cartao sonoro para codificacao numerica atraves de linha telefonica

Publications (1)

Publication Number Publication Date
BR8103249A true BR8103249A (pt) 1982-12-28

Family

ID=4028042

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8103249A BR8103249A (pt) 1981-05-21 1981-05-21 Cartao sonoro para codificacao numerica atraves de linha telefonica

Country Status (3)

Country Link
EP (1) EP0079347A1 (pt)
BR (1) BR8103249A (pt)
WO (1) WO1982004169A1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5475375A (en) * 1985-10-16 1995-12-12 Supra Products, Inc. Electronic access control systems
US5245652A (en) * 1985-10-16 1993-09-14 Supra Products, Inc. Secure entry system with acoustically coupled telephone interface
EP0289590A4 (en) * 1986-10-31 1989-08-22 Call It Co ELECTRONIC DATA POCKET CARD AND TRANSMISSION SYSTEM AND METHOD.
FR2640835B1 (fr) * 1988-12-07 1994-06-24 France Etat Dispositif d'authentification pour serveur interactif
AU2271792A (en) * 1991-08-05 1993-03-02 Supra Products, Inc. Improved electronic security systems
ATE155912T1 (de) * 1992-01-09 1997-08-15 Supra Prod Inc Sicheres zugangssystem mit funkverbindung
FR2753857B1 (fr) 1996-09-25 1998-12-11 Procede et systeme pour securiser les prestations de services diffusees sur un reseau informatique du type internet
FR2753859B1 (fr) * 1996-09-25 2001-09-28 Fintel Sa Procede et systeme pour securiser les prestations de service des operateurs de telecommunication
FR2753860B1 (fr) 1996-09-25 1998-11-06 Procede et systeme pour securiser les prestations de services a distance des organismes financiers
FR2753858B1 (fr) * 1996-09-25 1999-03-26 Procede et systeme pour securiser les centres de gestion d'appels telephoniques
FR2753861B1 (fr) 1996-09-25 1999-03-26 Procede et systeme pour securiser les serveurs informatiques de jeux
FR2755814B1 (fr) 1996-11-08 1999-01-15 Fintel Sa Procede et systeme pour securiser la transmission des telecopies au moyen d'une carte d'identification

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614326A (en) * 1969-07-07 1971-10-19 Int Automated Electronics Corp Telephone actuated switch
US3725589A (en) * 1972-02-14 1973-04-03 M Golden Remote-control system for intelligence-recording apparatus with control tone eliminating switching
US3992587A (en) * 1974-08-19 1976-11-16 National Data Corporation Remote data line monitor
US3989637A (en) * 1975-06-02 1976-11-02 Monsanto Company Corrosion inhibitors and processes for using the same
US3976840A (en) * 1975-07-14 1976-08-24 Spencer Cleveland Portable securities selector system

Also Published As

Publication number Publication date
EP0079347A1 (en) 1983-05-25
WO1982004169A1 (en) 1982-11-25

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