NL7405135A - - Google Patents
Info
- Publication number
- NL7405135A NL7405135A NL7405135A NL7405135A NL7405135A NL 7405135 A NL7405135 A NL 7405135A NL 7405135 A NL7405135 A NL 7405135A NL 7405135 A NL7405135 A NL 7405135A NL 7405135 A NL7405135 A NL 7405135A
- 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
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2331—Demodulator circuits; Receiver circuits using non-coherent demodulation wherein the received signal is demodulated using one or more delayed versions of itself
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7313730A FR2225881B1 (xx) | 1973-04-16 | 1973-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7405135A true NL7405135A (xx) | 1974-10-18 |
Family
ID=9118021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7405135A NL7405135A (xx) | 1973-04-16 | 1974-04-16 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3944939A (xx) |
| JP (1) | JPS5014261A (xx) |
| BE (1) | BE813403A (xx) |
| CA (1) | CA1052451A (xx) |
| DE (1) | DE2416121A1 (xx) |
| FR (1) | FR2225881B1 (xx) |
| GB (1) | GB1444052A (xx) |
| IE (1) | IE39355B1 (xx) |
| IT (1) | IT1007835B (xx) |
| LU (1) | LU69825A1 (xx) |
| NL (1) | NL7405135A (xx) |
| SE (1) | SE396183B (xx) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3993956A (en) * | 1975-11-03 | 1976-11-23 | Motorola, Inc. | Digital detection system for differential phase shift keyed signals |
| IT1052696B (it) * | 1975-12-18 | 1981-07-20 | Cselt Centro Studi Lab Telecom | Procedimento e dispositivo numerico per la correzione adattativa della fase nella demodulazione coerente di segnali numerici |
| US4121050A (en) * | 1977-02-02 | 1978-10-17 | The United States Of America As Represented By The Secretary Of The Air Force | Differential tri-phase shift keyed modulation |
| US4190802A (en) * | 1978-08-17 | 1980-02-26 | Motorola, Inc. | Digital demodulator for phase shift keyed signals |
| GB2057820B (en) * | 1979-09-04 | 1984-07-04 | Standard Telephones Cables Ltd | Radio receiver for fsk signals |
| US4371839A (en) * | 1980-04-03 | 1983-02-01 | Ford Aerospace & Communications Corporation | Differentially coherent signal detector |
| US4379266A (en) * | 1980-04-03 | 1983-04-05 | Ford Aerospace & Communications Corporation | PSK Demodulator with automatic compensation of delay induced phase shifts |
| JPS60121856A (ja) * | 1983-12-06 | 1985-06-29 | Nec Corp | 単一周波数信号検出回路 |
| US4740997A (en) * | 1985-08-05 | 1988-04-26 | Hayes Microcomputer Products, Inc. | Band clock offset phase locked loop |
| US4670887A (en) * | 1985-08-05 | 1987-06-02 | Hayes Microcomputer Products, Inc. | Multiplexed PSK demodulator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3244986A (en) * | 1962-10-08 | 1966-04-05 | Ibm | Detection of bi-phase digital signals |
| US3501704A (en) * | 1967-11-27 | 1970-03-17 | Nasa | Frequency shift keyed demodulator |
| NL154897B (nl) * | 1969-06-07 | 1977-10-17 | Philips Nv | Ontvanger met n-waardige fasedemodulator. |
| US3614639A (en) * | 1969-07-30 | 1971-10-19 | Ibm | Fsk digital demodulator with majority decision filtering |
| DE2011056B2 (de) * | 1970-03-09 | 1971-12-16 | Krone Gmbh, 1000 Berlin | Pulscodedemodulator mit dehnercharakteristik aufweisender knickkennlinie |
| FR2180479B1 (xx) * | 1972-04-18 | 1976-01-16 | Labo Cent Telecommunicat |
-
1973
- 1973-04-16 FR FR7313730A patent/FR2225881B1/fr not_active Expired
-
1974
- 1974-04-01 IE IE701/74A patent/IE39355B1/xx unknown
- 1974-04-02 SE SE7404422A patent/SE396183B/xx unknown
- 1974-04-03 CA CA196,743A patent/CA1052451A/fr not_active Expired
- 1974-04-03 DE DE2416121A patent/DE2416121A1/de not_active Withdrawn
- 1974-04-08 BE BE1005857A patent/BE813403A/xx unknown
- 1974-04-10 IT IT21203/74A patent/IT1007835B/it active
- 1974-04-10 LU LU69825A patent/LU69825A1/xx unknown
- 1974-04-12 JP JP49040468A patent/JPS5014261A/ja active Pending
- 1974-04-16 US US05/461,372 patent/US3944939A/en not_active Expired - Lifetime
- 1974-04-16 NL NL7405135A patent/NL7405135A/xx not_active Application Discontinuation
- 1974-04-16 GB GB1642574A patent/GB1444052A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3944939A (en) | 1976-03-16 |
| FR2225881A1 (xx) | 1974-11-08 |
| IT1007835B (it) | 1976-10-30 |
| DE2416121A1 (de) | 1974-10-31 |
| FR2225881B1 (xx) | 1976-04-23 |
| CA1052451A (fr) | 1979-04-10 |
| GB1444052A (en) | 1976-07-28 |
| BE813403A (fr) | 1974-10-08 |
| IE39355B1 (en) | 1978-09-27 |
| JPS5014261A (xx) | 1975-02-14 |
| SE396183B (sv) | 1977-09-05 |
| LU69825A1 (xx) | 1974-11-21 |
| IE39355L (en) | 1974-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed | ||
| BV | The patent application has lapsed |