FR2534432B1 - Generateur de signalisation multifrequence - Google Patents
Generateur de signalisation multifrequenceInfo
- Publication number
- FR2534432B1 FR2534432B1 FR8216797A FR8216797A FR2534432B1 FR 2534432 B1 FR2534432 B1 FR 2534432B1 FR 8216797 A FR8216797 A FR 8216797A FR 8216797 A FR8216797 A FR 8216797A FR 2534432 B1 FR2534432 B1 FR 2534432B1
- Authority
- FR
- France
- Prior art keywords
- frequency signaling
- signaling generator
- generator
- frequency
- signaling
- 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
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
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
- H04M1/505—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies signals generated in digital form
-
- 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
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
- H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8216797A FR2534432B1 (fr) | 1982-10-07 | 1982-10-07 | Generateur de signalisation multifrequence |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8216797A FR2534432B1 (fr) | 1982-10-07 | 1982-10-07 | Generateur de signalisation multifrequence |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2534432A1 FR2534432A1 (fr) | 1984-04-13 |
FR2534432B1 true FR2534432B1 (fr) | 1988-09-23 |
Family
ID=9278049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8216797A Expired FR2534432B1 (fr) | 1982-10-07 | 1982-10-07 | Generateur de signalisation multifrequence |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2534432B1 (fr) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2753364A1 (de) * | 1977-11-30 | 1979-05-31 | Licentia Gmbh | Signalempfaenger zur erkennung und auswertung von analogen signalen |
-
1982
- 1982-10-07 FR FR8216797A patent/FR2534432B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2534432A1 (fr) | 1984-04-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |