ZA917409B - Automatic frequency control system and method for frequency-shift-key data transmission systems - Google Patents
Automatic frequency control system and method for frequency-shift-key data transmission systemsInfo
- Publication number
- ZA917409B ZA917409B ZA917409A ZA917409A ZA917409B ZA 917409 B ZA917409 B ZA 917409B ZA 917409 A ZA917409 A ZA 917409A ZA 917409 A ZA917409 A ZA 917409A ZA 917409 B ZA917409 B ZA 917409B
- Authority
- ZA
- South Africa
- Prior art keywords
- shift
- control system
- data transmission
- frequency
- key data
- 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
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/16—Frequency regulation arrangements
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 |
---|---|---|---|
US07/586,804 US5208835A (en) | 1990-09-24 | 1990-09-24 | Automatic frequency control system and method for frequency-shift-key data transmission systems |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA917409B true ZA917409B (en) | 1992-05-27 |
Family
ID=24347168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA917409A ZA917409B (en) | 1990-09-24 | 1991-09-17 | Automatic frequency control system and method for frequency-shift-key data transmission systems |
Country Status (6)
Country | Link |
---|---|
US (1) | US5208835A (xx) |
EP (1) | EP0478238A3 (xx) |
AU (1) | AU645842B2 (xx) |
CA (1) | CA2051880A1 (xx) |
ZA (1) | ZA917409B (xx) |
ZW (1) | ZW13091A1 (xx) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07147529A (ja) * | 1993-06-28 | 1995-06-06 | Hitachi Ltd | 分割帯域信号強度測定法を用いた自動周波数制御装置及び制御方法 |
GB2280801B (en) * | 1993-08-06 | 1997-12-10 | Plessey Semiconductors Ltd | Automatic frequency control arrangement |
US5633898A (en) * | 1993-12-22 | 1997-05-27 | Matsushita Electric Industrial Co., Ltd. | Automatic frequency control apparatus for FSK receiver and FSK receiver including the same |
US5781588A (en) * | 1994-11-10 | 1998-07-14 | Matsushita Electric Industrial Co., Ltd. | FSK signal receiver |
US5519388A (en) * | 1995-04-20 | 1996-05-21 | Schlumberger Industries, Inc. | Method and apparatus for active temperature compensation in a radiowave transmitter |
US5563916A (en) * | 1995-06-05 | 1996-10-08 | Hitachi America, Ltd. | Apparatus and method for varying the slew rate of a digital automatic gain control circuit |
JPH0918532A (ja) * | 1995-06-30 | 1997-01-17 | Nec Corp | バーストモード通信システムにおける無線通信装置及び受信方法 |
US5917430A (en) * | 1995-08-28 | 1999-06-29 | The Safety Warning System, L.C. | Radar based highway safety warning system |
WO1997011545A1 (en) * | 1995-09-18 | 1997-03-27 | Motorola Inc. | Method for increasing system capacity while maintaining channel bandwidth in a radio communication system |
US6487240B1 (en) * | 2000-11-10 | 2002-11-26 | Motorola, Inc. | Apparatus for receiving and recovering frequency shift keyed symbols |
US20040190652A1 (en) * | 2003-03-27 | 2004-09-30 | Motorola, Inc. | Method and apparatus for mitigating the effects of non-ideal receiver processing |
WO2005099093A1 (en) * | 2004-03-30 | 2005-10-20 | Itron, Inc. | Frequency shift compensation, such as for use in a wireless meter reading environment |
US20070206661A1 (en) * | 2004-05-27 | 2007-09-06 | Matsushita Electric Industrial Co., Ltd. | Transmitter, receiver, and transmission/reception system |
US7917747B2 (en) * | 2007-03-22 | 2011-03-29 | Igt | Multi-party encryption systems and methods |
ES2431337T3 (es) * | 2008-06-04 | 2013-11-26 | Sony Corporation | Nueva estructura de trama para sistemas de múltiples portadoras |
EP2175569B1 (de) * | 2008-10-07 | 2013-09-25 | Universität Ulm | Sendevorrichtung zur Erzeugung eines analog modulierten Impulszuges und zur Aussendung desselben sowie Empfangsvorrichtung zum Empfang eines entsprechenden Signals |
RU2484496C1 (ru) * | 2011-12-21 | 2013-06-10 | Вячеслав Викторович Печурин | Способ распознавания частотно-манипулированных радиосигналов |
JP5988863B2 (ja) * | 2012-12-27 | 2016-09-07 | パナソニック株式会社 | 受信装置及び復調方法 |
RU2573718C2 (ru) * | 2013-10-23 | 2016-01-27 | Виктор Иванович Дикарев | Устройство для определения частоты, вида модуляции и манипуляции принимаемых сигналов |
JP6198631B2 (ja) * | 2014-02-25 | 2017-09-20 | パナソニック株式会社 | 受信装置及び復調方法 |
RU168701U1 (ru) * | 2016-10-31 | 2017-02-15 | Евгений Борисович Колесников | Измеритель частоты гармонического сигнала |
RU187745U1 (ru) * | 2018-09-24 | 2019-03-18 | Евгений Борисович Колесников | Измеритель частоты гармонического сигнала |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR958270A (xx) * | 1947-11-21 | 1950-03-06 | ||
JPS5873247A (ja) * | 1981-10-27 | 1983-05-02 | Kyushu Electric Power Co Inc | 信号受信回路 |
US4651104A (en) * | 1982-07-07 | 1987-03-17 | Fujitsu Limited | Frequency converter with automatic frequency control |
DE3324311A1 (de) * | 1983-07-06 | 1985-01-17 | Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover | Decoder fuer ein frequenzgetastetes signal, insbesondere ein fsk-bildschirmtext-signal |
US4606049A (en) * | 1984-12-03 | 1986-08-12 | The United States Of America As Represented By The Secretary Of The Navy | Remote transmitter control system |
US4807254A (en) * | 1985-08-09 | 1989-02-21 | Nec Corporation | Carrier wave recovery system |
FR2601533B1 (fr) * | 1986-07-10 | 1988-10-21 | Telemecanique Electrique | Dispositif emetteur-recepteur de signaux a haute frequence accouplable a un reseau de transmission |
US4845486A (en) * | 1986-09-12 | 1989-07-04 | Robert Scully | Residential fuel-oil level reporting and alarm system |
US4955083A (en) * | 1986-10-31 | 1990-09-04 | Motorola, Inc. | Dual mode radio transceiver for an SSB communication system |
EP0497433B1 (en) * | 1987-06-23 | 1995-09-20 | Nec Corporation | Phase controlled demodulation system for digital communication |
JPS6468161A (en) * | 1987-09-09 | 1989-03-14 | Man Design Co | Fsk demodulator |
-
1990
- 1990-09-24 US US07/586,804 patent/US5208835A/en not_active Expired - Fee Related
-
1991
- 1991-09-17 ZA ZA917409A patent/ZA917409B/xx unknown
- 1991-09-17 AU AU84535/91A patent/AU645842B2/en not_active Ceased
- 1991-09-19 ZW ZW130/91A patent/ZW13091A1/xx unknown
- 1991-09-19 CA CA002051880A patent/CA2051880A1/en not_active Abandoned
- 1991-09-20 EP EP19910308592 patent/EP0478238A3/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
AU8453591A (en) | 1992-03-26 |
ZW13091A1 (en) | 1992-07-08 |
EP0478238A2 (en) | 1992-04-01 |
CA2051880A1 (en) | 1992-03-25 |
EP0478238A3 (en) | 1992-12-02 |
US5208835A (en) | 1993-05-04 |
AU645842B2 (en) | 1994-01-27 |
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