BE649316A - - Google Patents
Info
- Publication number
- BE649316A BE649316A BE649316DA BE649316A BE 649316 A BE649316 A BE 649316A BE 649316D A BE649316D A BE 649316DA BE 649316 A BE649316 A BE 649316A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
- H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Dc Digital Transmission (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR940082A FR1375766A (fr) | 1963-07-02 | 1963-07-02 | Perfectionnement aux systèmes de transmission de l'information |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE649316A true BE649316A (xx) | 1964-10-16 |
Family
ID=8807396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE649316D BE649316A (xx) | 1963-07-02 | 1964-06-16 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE649316A (xx) |
| CH (1) | CH410057A (xx) |
| DE (1) | DE1200865B (xx) |
| FR (1) | FR1375766A (xx) |
| GB (1) | GB1057156A (xx) |
| NL (1) | NL6407546A (xx) |
| SE (1) | SE304771B (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2105500B (en) * | 1981-06-16 | 1985-01-23 | Motorola Ltd | Data operated squelch |
-
1963
- 1963-07-02 FR FR940082A patent/FR1375766A/fr not_active Expired
-
1964
- 1964-06-16 BE BE649316D patent/BE649316A/xx unknown
- 1964-06-25 DE DEC33244A patent/DE1200865B/de active Pending
- 1964-07-01 SE SE801364A patent/SE304771B/xx unknown
- 1964-07-02 NL NL6407546A patent/NL6407546A/xx unknown
- 1964-07-02 GB GB2745264A patent/GB1057156A/en not_active Expired
- 1964-07-02 CH CH871864A patent/CH410057A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1200865B (de) | 1965-09-16 |
| FR1375766A (fr) | 1964-10-23 |
| GB1057156A (en) | 1967-02-01 |
| CH410057A (fr) | 1966-03-31 |
| SE304771B (xx) | 1968-10-07 |
| NL6407546A (xx) | 1965-01-04 |