NL124108C - - Google Patents
Info
- Publication number
- NL124108C NL124108C NL124108DA NL124108C NL 124108 C NL124108 C NL 124108C NL 124108D A NL124108D A NL 124108DA NL 124108 C NL124108 C NL 124108C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/08—Amplitude regulation arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/14—Arrangements providing for calling or supervisory signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/20—Repeater circuits; Relay circuits
- H04L25/24—Relay circuits using discharge tubes or semiconductor devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/06—Demodulator circuits; Receiver circuits
-
- 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
- H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency
- H04Q1/4465—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency the same frequency being used for all signalling information, e.g. A.C. nr.9 system
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR823562A FR1264496A (fr) | 1960-04-06 | 1960-04-06 | Dispositif électronique de réception de signalisation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL124108C true NL124108C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=8728749
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL124108D NL124108C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1960-04-06 | ||
| NL262886D NL262886A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1960-04-06 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL262886D NL262886A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1960-04-06 |
Country Status (3)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1000793A (en) * | 1961-07-14 | 1965-08-11 | Westinghouse Brake & Signal | Improvements relating to railway track circuits |
| FR1361518A (fr) * | 1963-04-11 | 1964-05-22 | Lignes Telegraph Telephon | Dispositif récepteur de signalisation à faible distorsion |
| US5406249A (en) * | 1993-03-09 | 1995-04-11 | Metricom, Inc. | Method and structure for coupling power-line carrier current signals using common-mode coupling |
-
0
- NL NL124108D patent/NL124108C/xx active
- NL NL262886D patent/NL262886A/xx unknown
-
1960
- 1960-04-06 FR FR823562A patent/FR1264496A/fr not_active Expired
-
1961
- 1961-02-23 US US91150A patent/US3075129A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL262886A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| FR1264496A (fr) | 1961-06-23 |
| US3075129A (en) | 1963-01-22 |