AT349535B - Einrichtung zur decodierung von gleichstrom- codezeichen, insbesondere von gleichstrom-tast- wahlcodezeichen - Google Patents
Einrichtung zur decodierung von gleichstrom- codezeichen, insbesondere von gleichstrom-tast- wahlcodezeichenInfo
- Publication number
- AT349535B AT349535B AT547176A AT547176A AT349535B AT 349535 B AT349535 B AT 349535B AT 547176 A AT547176 A AT 547176A AT 547176 A AT547176 A AT 547176A AT 349535 B AT349535 B AT 349535B
- Authority
- AT
- Austria
- Prior art keywords
- direct current
- code characters
- decoding
- button dial
- current button
- Prior art date
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
- H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT547176A AT349535B (de) | 1976-07-26 | 1976-07-26 | Einrichtung zur decodierung von gleichstrom- codezeichen, insbesondere von gleichstrom-tast- wahlcodezeichen |
DE19772719027 DE2719027A1 (de) | 1976-07-26 | 1977-04-28 | Schaltungsanordnung fuer signalempfaenger, insbesondere in fernsprechanlagen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT547176A AT349535B (de) | 1976-07-26 | 1976-07-26 | Einrichtung zur decodierung von gleichstrom- codezeichen, insbesondere von gleichstrom-tast- wahlcodezeichen |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA547176A ATA547176A (de) | 1978-09-15 |
AT349535B true AT349535B (de) | 1979-04-10 |
Family
ID=3576155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT547176A AT349535B (de) | 1976-07-26 | 1976-07-26 | Einrichtung zur decodierung von gleichstrom- codezeichen, insbesondere von gleichstrom-tast- wahlcodezeichen |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT349535B (de) |
DE (1) | DE2719027A1 (de) |
-
1976
- 1976-07-26 AT AT547176A patent/AT349535B/de not_active IP Right Cessation
-
1977
- 1977-04-28 DE DE19772719027 patent/DE2719027A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2719027A1 (de) | 1978-02-09 |
ATA547176A (de) | 1978-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |