DK460184A - Demodulatorer - Google Patents
Demodulatorer Download PDFInfo
- Publication number
- DK460184A DK460184A DK460184A DK460184A DK460184A DK 460184 A DK460184 A DK 460184A DK 460184 A DK460184 A DK 460184A DK 460184 A DK460184 A DK 460184A DK 460184 A DK460184 A DK 460184A
- Authority
- DK
- Denmark
- Prior art keywords
- demodulators
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
- H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8303144 | 1983-02-04 | ||
| PCT/GB1984/000028 WO1984003188A1 (en) | 1983-02-04 | 1984-02-03 | Demodulators |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK460184A true DK460184A (da) | 1984-09-26 |
| DK460184D0 DK460184D0 (da) | 1984-09-26 |
Family
ID=10537484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK460184A DK460184D0 (da) | 1983-02-04 | 1984-09-26 | Demodulatorer |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0118214A3 (da) |
| JP (1) | JPS60500555A (da) |
| DK (1) | DK460184D0 (da) |
| GB (1) | GB2136250A (da) |
| NO (1) | NO843981L (da) |
| WO (1) | WO1984003188A1 (da) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4675863A (en) | 1985-03-20 | 1987-06-23 | International Mobile Machines Corp. | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
| GB2173364B (en) * | 1985-04-03 | 1988-10-05 | Stc Plc | Digital zero if circuit |
| US4825448A (en) * | 1986-08-07 | 1989-04-25 | International Mobile Machines Corporation | Subscriber unit for wireless digital telephone system |
| EP0262842A3 (en) * | 1986-10-03 | 1989-08-30 | Hycom Incorporated | Fsk modem |
| US5565606A (en) * | 1986-10-21 | 1996-10-15 | Hoechst Aktiengesellschaft | Synthesis of peptide aminoalkylamides and peptide hydrazides by the solid-phase method |
| GB2202715B (en) * | 1987-03-24 | 1991-03-20 | Dr Frank Robert Connor | Minimum relative shift keying |
| JPH0824260B2 (ja) * | 1987-05-26 | 1996-03-06 | 日本電気株式会社 | 位相比較器 |
| JP2795761B2 (ja) * | 1991-09-25 | 1998-09-10 | シャープ株式会社 | Msk信号復調回路 |
| US5546383A (en) | 1993-09-30 | 1996-08-13 | Cooley; David M. | Modularly clustered radiotelephone system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3736507A (en) * | 1971-08-19 | 1973-05-29 | Communications Satellite Co | Phase ambiguity resolution for four phase psk communications systems |
| US4085449A (en) * | 1976-11-26 | 1978-04-18 | Paradyne Corporation | Digital modem |
| US4333150A (en) * | 1980-01-28 | 1982-06-01 | Westinghouse Electric Corp. | Signal receiving apparatus and method |
-
1984
- 1984-02-03 WO PCT/GB1984/000028 patent/WO1984003188A1/en not_active Ceased
- 1984-02-03 EP EP84300682A patent/EP0118214A3/en not_active Withdrawn
- 1984-02-03 JP JP59500854A patent/JPS60500555A/ja active Pending
- 1984-02-03 GB GB08402957A patent/GB2136250A/en not_active Withdrawn
- 1984-09-26 DK DK460184A patent/DK460184D0/da not_active Application Discontinuation
- 1984-10-03 NO NO843981A patent/NO843981L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO1984003188A1 (en) | 1984-08-16 |
| NO843981L (no) | 1984-10-03 |
| EP0118214A3 (en) | 1984-12-12 |
| GB8402957D0 (en) | 1984-03-07 |
| GB2136250A (en) | 1984-09-12 |
| JPS60500555A (ja) | 1985-04-18 |
| DK460184D0 (da) | 1984-09-26 |
| EP0118214A2 (en) | 1984-09-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHB | Application shelved due to non-payment |