BR8103249A - Cartao sonoro para codificacao numerica atraves de linha telefonica - Google Patents
Cartao sonoro para codificacao numerica atraves de linha telefonicaInfo
- 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
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
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 |
EP19820901493 EP0079347A1 (en) | 1981-05-21 | 1982-05-21 | Sonorous card for numerical codification through telephone line |
PCT/BR1982/000008 WO1982004169A1 (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)
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 |
JPH01502231A (ja) * | 1986-10-31 | 1989-08-03 | コール―イット・カンパニー | 携帯用電子情報カード及び通信システムとその方法 |
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 |
JP2894515B2 (ja) * | 1992-01-09 | 1999-05-24 | シュプラ プロダクツ インコーポレイテッド | 無線通信を用いた安全立入管理システム |
FR2753858B1 (fr) * | 1996-09-25 | 1999-03-26 | Procede et systeme pour securiser les centres de gestion d'appels telephoniques | |
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 | |
FR2753860B1 (fr) | 1996-09-25 | 1998-11-06 | Procede et systeme pour securiser les prestations de services a distance des organismes financiers | |
FR2753861B1 (fr) | 1996-09-25 | 1999-03-26 | Procede et systeme pour securiser les serveurs informatiques de jeux | |
FR2753859B1 (fr) * | 1996-09-25 | 2001-09-28 | Fintel Sa | Procede et systeme pour securiser les prestations de service des operateurs de telecommunication |
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)
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 |
-
1981
- 1981-05-21 BR BR8103249A patent/BR8103249A/pt unknown
-
1982
- 1982-05-21 EP EP19820901493 patent/EP0079347A1/en not_active Withdrawn
- 1982-05-21 WO PCT/BR1982/000008 patent/WO1982004169A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP0079347A1 (en) | 1983-05-25 |
WO1982004169A1 (en) | 1982-11-25 |
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