FR2309101A1 - Dispositif de reconnaissance de numerotation dans un reseau telephonique - Google Patents
Dispositif de reconnaissance de numerotation dans un reseau telephoniqueInfo
- Publication number
- FR2309101A1 FR2309101A1 FR7512499A FR7512499A FR2309101A1 FR 2309101 A1 FR2309101 A1 FR 2309101A1 FR 7512499 A FR7512499 A FR 7512499A FR 7512499 A FR7512499 A FR 7512499A FR 2309101 A1 FR2309101 A1 FR 2309101A1
- Authority
- FR
- France
- Prior art keywords
- numbers
- carrier
- represented
- voice frequency
- cyclic codes
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/39—Signalling arrangements; Manipulation of signalling currents using coded pulse groups
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7512499A FR2309101A1 (fr) | 1975-04-22 | 1975-04-22 | Dispositif de reconnaissance de numerotation dans un reseau telephonique |
ES447242A ES447242A1 (es) | 1975-04-22 | 1976-04-22 | Un dispositivo de reconocimiento de datos digitales. |
BE2054959A BE840985A (fr) | 1975-04-22 | 1976-04-22 | Dispositif de reconnaissance de numerotation dans un reseau telephonique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7512499A FR2309101A1 (fr) | 1975-04-22 | 1975-04-22 | Dispositif de reconnaissance de numerotation dans un reseau telephonique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2309101A1 true FR2309101A1 (fr) | 1976-11-19 |
FR2309101B1 FR2309101B1 (fr) | 1981-10-09 |
Family
ID=9154309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7512499A Granted FR2309101A1 (fr) | 1975-04-22 | 1975-04-22 | Dispositif de reconnaissance de numerotation dans un reseau telephonique |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE840985A (fr) |
ES (1) | ES447242A1 (fr) |
FR (1) | FR2309101A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3027579A1 (de) * | 1979-08-03 | 1981-02-19 | Philips Nv | Verfahren zum detektieren eines digitalen kodewortes und kodedetektor zum durchfuehren des verfahrens |
-
1975
- 1975-04-22 FR FR7512499A patent/FR2309101A1/fr active Granted
-
1976
- 1976-04-22 BE BE2054959A patent/BE840985A/fr not_active IP Right Cessation
- 1976-04-22 ES ES447242A patent/ES447242A1/es not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3027579A1 (de) * | 1979-08-03 | 1981-02-19 | Philips Nv | Verfahren zum detektieren eines digitalen kodewortes und kodedetektor zum durchfuehren des verfahrens |
FR2463550A1 (fr) * | 1979-08-03 | 1981-02-20 | Philips Nv | Procede pour detecter un mot de code numerique et detecteur de code pour l'execution de ce procede |
Also Published As
Publication number | Publication date |
---|---|
FR2309101B1 (fr) | 1981-10-09 |
BE840985A (fr) | 1976-10-22 |
ES447242A1 (es) | 1977-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licenses | ||
ST | Notification of lapse |