FR1158969A - Improvements to telegraph or remote control receivers using frequency shifting - Google Patents
Improvements to telegraph or remote control receivers using frequency shiftingInfo
- Publication number
- FR1158969A FR1158969A FR1158969DA FR1158969A FR 1158969 A FR1158969 A FR 1158969A FR 1158969D A FR1158969D A FR 1158969DA FR 1158969 A FR1158969 A FR 1158969A
- Authority
- FR
- France
- Prior art keywords
- telegraph
- remote control
- frequency shifting
- control receivers
- receivers
- 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
- 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
- H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
- H04L27/148—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using filters, including PLL-type filters
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1158969T | 1956-10-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1158969A true FR1158969A (en) | 1958-06-20 |
Family
ID=9651341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1158969D Expired FR1158969A (en) | 1956-10-04 | 1956-10-04 | Improvements to telegraph or remote control receivers using frequency shifting |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1158969A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0092474A1 (en) * | 1982-04-16 | 1983-10-26 | ETAT FRANCAIS représenté par le Ministre des PTT (Centre National d'Etudes des Télécommunications) | Demodulation filter for a binary frequency-modulated signal |
EP0097981A1 (en) * | 1982-06-09 | 1984-01-11 | Koninklijke Philips Electronics N.V. | Transmission system for the transmission of binary data symbols |
-
1956
- 1956-10-04 FR FR1158969D patent/FR1158969A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0092474A1 (en) * | 1982-04-16 | 1983-10-26 | ETAT FRANCAIS représenté par le Ministre des PTT (Centre National d'Etudes des Télécommunications) | Demodulation filter for a binary frequency-modulated signal |
US4543547A (en) * | 1982-04-16 | 1985-09-24 | L'etat Francais | Demodulation filter for a signal modulated in binary frequency manner |
EP0097981A1 (en) * | 1982-06-09 | 1984-01-11 | Koninklijke Philips Electronics N.V. | Transmission system for the transmission of binary data symbols |
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