BR8400509A - Processo para demodulacao de sinais de portadora manipulados por deslocamento de fase e aparelho para realizar este processo - Google Patents
Processo para demodulacao de sinais de portadora manipulados por deslocamento de fase e aparelho para realizar este processoInfo
- Publication number
- BR8400509A BR8400509A BR8400509A BR8400509A BR8400509A BR 8400509 A BR8400509 A BR 8400509A BR 8400509 A BR8400509 A BR 8400509A BR 8400509 A BR8400509 A BR 8400509A BR 8400509 A BR8400509 A BR 8400509A
- Authority
- BR
- Brazil
- Prior art keywords
- appliance
- handled
- perform
- phase shift
- demodulating carrier
- 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
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2335—Demodulator circuits; Receiver circuits using non-coherent demodulation using temporal properties of the received signal
- H04L27/2337—Demodulator circuits; Receiver circuits using non-coherent demodulation using temporal properties of the received signal using digital techniques to measure the time between zero-crossings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L7/046—Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/465,232 US4516079A (en) | 1983-02-09 | 1983-02-09 | Coherent phase shift keyed demodulator for power line communication systems |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8400509A true BR8400509A (pt) | 1984-09-11 |
Family
ID=23846968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8400509A BR8400509A (pt) | 1983-02-09 | 1984-02-07 | Processo para demodulacao de sinais de portadora manipulados por deslocamento de fase e aparelho para realizar este processo |
Country Status (9)
Country | Link |
---|---|
US (1) | US4516079A (pt) |
EP (1) | EP0119008B1 (pt) |
JP (1) | JPS59156052A (pt) |
AR (1) | AR240601A1 (pt) |
AU (1) | AU568326B2 (pt) |
BR (1) | BR8400509A (pt) |
CA (1) | CA1214227A (pt) |
DE (1) | DE3479375D1 (pt) |
ZA (1) | ZA84505B (pt) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4514697A (en) * | 1983-02-09 | 1985-04-30 | Westinghouse Electric Corp. | Coherent phase shift keyed demodulator with improved sampling apparatus and method |
US4516079A (en) * | 1983-02-09 | 1985-05-07 | Westinghouse Electric Corp. | Coherent phase shift keyed demodulator for power line communication systems |
US4563650A (en) * | 1984-01-13 | 1986-01-07 | Westinghouse Electric Corp. | Power line communication receiver with dual threshold signal interrogation capability |
JPS6170816A (ja) * | 1984-09-13 | 1986-04-11 | Futaba Corp | 符号再生装置 |
US4780887A (en) * | 1986-08-21 | 1988-10-25 | Nec Corporation | Carrier recovery circuitry immune to interburst frequency variations |
NO163120C (no) * | 1987-05-19 | 1990-04-04 | Sintef | Fremgangsmaate ved demodulasjon i digitale kommunikasjonssystemer med flerbane-propagasjon. |
FR2615675B1 (fr) * | 1987-05-21 | 1989-06-30 | Alcatel Espace | Procede de demodulation de signaux modules numeriquement et dispositif de mise en oeuvre d'un tel procede |
CA2045338C (en) * | 1990-06-26 | 1995-07-04 | Shousei Yoshida | Clock recovery circuit with open-loop phase estimator and wideband phase tracking loop |
US5297172A (en) * | 1991-04-11 | 1994-03-22 | Comsat Corporation | Method and apparatus for clock recovery for digitally implemented modem |
EP0748480A1 (en) * | 1992-06-30 | 1996-12-18 | Electronic Innovators, Inc. | Distributed intelligence engineering casualty and damage control management system using an ac power line carrier-current lan |
US5376894A (en) * | 1992-12-31 | 1994-12-27 | Pacific Communication Sciences, Inc. | Phase estimation and synchronization using a PSK demodulator |
US5818821A (en) * | 1994-12-30 | 1998-10-06 | Intelogis, Inc. | Universal lan power line carrier repeater system and method |
US6961431B2 (en) * | 2001-02-28 | 2005-11-01 | Lockheed Martin Corp. | Analog privacy scrambler and scrambling method |
US6940396B2 (en) | 2003-05-06 | 2005-09-06 | Distribution Control Systems, Inc. | Concurrent phase communication in TWACS |
US7609784B1 (en) | 2004-04-26 | 2009-10-27 | Dgi Creations, Llc | Signal decoding method and apparatus with dynamic noise threshold |
US7242729B1 (en) | 2004-04-26 | 2007-07-10 | Dgi Creations, Llc | Signal decoding method and apparatus |
CN101834633A (zh) * | 2009-03-09 | 2010-09-15 | 江苏林洋电子股份有限公司 | 基于三态脉冲位移相位调制的电力线载波表及通信方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3739277A (en) * | 1969-06-02 | 1973-06-12 | Hallicrafters Co | Digital data transmission system utilizing phase shift keying |
US3745250A (en) * | 1971-10-19 | 1973-07-10 | C Gerst | Method and apparatus for binary data |
US3826990A (en) * | 1972-01-28 | 1974-07-30 | Org Europ De Rech Spatiales | Anti phase-ambiguity for phase-shift keying binary transmission systems |
US3815029A (en) * | 1973-01-29 | 1974-06-04 | Us Air Force | Burst phase shift keyed receiver |
CA1115789A (en) * | 1977-05-12 | 1982-01-05 | Richard P. Scott | Phase shift keyed systems |
FR2394218A1 (fr) * | 1977-06-10 | 1979-01-05 | Ibm France | Recepteur de donnees transmises par modulation binaire par saut de phase entrelacee |
US4164036A (en) * | 1977-12-07 | 1979-08-07 | Honeywell Inc. | Quadrature correlation phase reversal pulse detector |
GB1553654A (en) * | 1978-02-17 | 1979-09-26 | Marconi Co Ltd | Marconi co ltd |
US4190802A (en) * | 1978-08-17 | 1980-02-26 | Motorola, Inc. | Digital demodulator for phase shift keyed signals |
US4246653A (en) * | 1979-01-08 | 1981-01-20 | Northrop Corporation | In-phase quadrature demodulator for CPSK signals |
US4246654A (en) * | 1979-01-09 | 1981-01-20 | Northrop Corporation | Digital coherent phase demodulator |
JPS55132164A (en) * | 1979-03-30 | 1980-10-14 | Nec Corp | Carrier regenerating circuit for psk demodulator |
US4311964A (en) * | 1979-09-21 | 1982-01-19 | Westinghouse Electric Corp. | Coherent phase shift keyed demodulator for power line communication systems |
US4298986A (en) * | 1979-12-26 | 1981-11-03 | General Electric Company | Receiver for phase-shift modulated carrier signals |
US4320345A (en) * | 1980-04-28 | 1982-03-16 | Sangamo Weston, Inc. | Adaptive differential PSK demodulator |
US4336500A (en) * | 1980-07-14 | 1982-06-22 | Motorola, Inc. | MSK Demodulator frequency acquistion apparatus and method |
US4516079A (en) * | 1983-02-09 | 1985-05-07 | Westinghouse Electric Corp. | Coherent phase shift keyed demodulator for power line communication systems |
-
1983
- 1983-02-09 US US06/465,232 patent/US4516079A/en not_active Expired - Lifetime
-
1984
- 1984-01-20 ZA ZA84505A patent/ZA84505B/xx unknown
- 1984-01-26 AU AU23807/84A patent/AU568326B2/en not_active Ceased
- 1984-02-03 AR AR29563184A patent/AR240601A1/es active
- 1984-02-07 BR BR8400509A patent/BR8400509A/pt not_active IP Right Cessation
- 1984-02-09 CA CA000447087A patent/CA1214227A/en not_active Expired
- 1984-02-09 DE DE8484300820T patent/DE3479375D1/de not_active Expired
- 1984-02-09 JP JP59024213A patent/JPS59156052A/ja active Granted
- 1984-02-09 EP EP84300820A patent/EP0119008B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU568326B2 (en) | 1987-12-24 |
EP0119008A3 (en) | 1986-10-15 |
DE3479375D1 (en) | 1989-09-14 |
EP0119008B1 (en) | 1989-08-09 |
AR240601A1 (es) | 1990-05-31 |
EP0119008A2 (en) | 1984-09-19 |
JPS59156052A (ja) | 1984-09-05 |
ZA84505B (en) | 1984-09-26 |
AU2380784A (en) | 1984-08-16 |
JPH0475698B2 (pt) | 1992-12-01 |
CA1214227A (en) | 1986-11-18 |
US4516079A (en) | 1985-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B21A | Expiry acc. art. 78, item i of ipl- expiry of the term of protection |
Free format text: PATENTE EXTINTA EM 07/02/99 |