HK1099862A1 - Synchronisation circuit for synchronising time with a received radio controlled clock signal and a corresponding clock - Google Patents

Synchronisation circuit for synchronising time with a received radio controlled clock signal and a corresponding clock

Info

Publication number
HK1099862A1
HK1099862A1 HK07107137A HK07107137A HK1099862A1 HK 1099862 A1 HK1099862 A1 HK 1099862A1 HK 07107137 A HK07107137 A HK 07107137A HK 07107137 A HK07107137 A HK 07107137A HK 1099862 A1 HK1099862 A1 HK 1099862A1
Authority
HK
Hong Kong
Prior art keywords
received radio
modulation
modulation format
radio controlled
clock signal
Prior art date
Application number
HK07107137A
Other languages
English (en)
Inventor
Mak Ming Leung
Original Assignee
Leung Tak Ming
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Leung Tak Ming filed Critical Leung Tak Ming
Publication of HK1099862A1 publication Critical patent/HK1099862A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0012—Modulated-carrier systems arrangements for identifying the type of modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Electric Clocks (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Selective Calling Equipment (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
HK07107137A 2004-09-01 2007-07-03 Synchronisation circuit for synchronising time with a received radio controlled clock signal and a corresponding clock HK1099862A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0419388A GB2417860A (en) 2004-09-01 2004-09-01 Identifying the modulation format of a received signal
PCT/GB2005/003371 WO2006024849A1 (en) 2004-09-01 2005-09-01 Method and apparatus for identifying the modulation format of a received signal

Publications (1)

Publication Number Publication Date
HK1099862A1 true HK1099862A1 (en) 2007-08-24

Family

ID=33155836

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07107137A HK1099862A1 (en) 2004-09-01 2007-07-03 Synchronisation circuit for synchronising time with a received radio controlled clock signal and a corresponding clock

Country Status (8)

Country Link
US (1) US20080095290A1 (xx)
EP (1) EP1787444B1 (xx)
CN (1) CN101076987A (xx)
AT (1) ATE375666T1 (xx)
DE (1) DE602005002849T2 (xx)
GB (1) GB2417860A (xx)
HK (1) HK1099862A1 (xx)
WO (1) WO2006024849A1 (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009013969A1 (ja) * 2007-07-24 2009-01-29 Nec Corporation 無線通信システム及びその節電方法
JP5289187B2 (ja) * 2009-05-21 2013-09-11 キヤノン株式会社 通信装置、その制御方法及びプログラム
US8275073B2 (en) * 2009-06-11 2012-09-25 L—3 Communications Integrated Systems, L.P. Methods and systems to discriminate between PSK and FSK signals
CN102012883B (zh) * 2009-09-07 2012-09-12 郑国书 无线电射频同步通讯的方法
CN103222225A (zh) 2010-09-22 2013-07-24 Dba扩展波有限责任公司 合并独立定时校正的低功率无线电受控时钟
CN102109814B (zh) * 2010-12-31 2013-03-06 北京昆腾微电子有限公司 获取电波授时信号的装置和方法
US8270465B1 (en) 2011-11-15 2012-09-18 Xw Llc Timing and time information extraction from a phase modulated signal in a radio controlled clock receiver
US8693582B2 (en) 2012-03-05 2014-04-08 Xw Llc Multi-antenna receiver in a radio controlled clock
FR3029661B1 (fr) * 2014-12-04 2016-12-09 Stmicroelectronics Rousset Procedes de transmission et de reception d'un signal binaire sur un lien serie, en particulier pour la detection de la vitesse de transmission, et dispositifs correspondants
CN105515650B (zh) * 2015-11-24 2018-01-09 华中科技大学 基于光谱特征的光信号调制格式识别方法
CN112491764B (zh) * 2020-11-17 2022-07-12 同方电子科技有限公司 一种基于瞬时特征空中模拟信号的识别方法
CN114070679B (zh) * 2021-10-25 2023-05-23 中国电子科技集团公司第二十九研究所 一种面向脉冲智能分类的频相特征分析方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1187944A (en) * 1982-09-15 1985-05-28 Her Majesty The Queen, In Right Of Canada, As Represented By The Ministe R Of National Defence Spectrum surveillance receiver system
FR2669489B1 (fr) * 1990-11-16 1994-09-09 Thomson Csf Procede et dispositif de reconnaissance de modulations.
US5982819A (en) * 1996-09-23 1999-11-09 Motorola, Inc. Modulation format adaptive messaging receiver and method thereof
US5982813A (en) * 1996-09-30 1999-11-09 Amsc Subsidiary Corporation Demand-based power and data rate adjustments to a transmitter to optimize channel capacity and power usage with respect to data transmission traffic over a fixed-bandwidth channel
DE19814770C1 (de) * 1998-04-02 1999-09-23 Rohde & Schwarz Verfahren zur automatischen taktfreien Erkennung von Signal-Modulationsarten
JP2000091936A (ja) * 1998-09-14 2000-03-31 Nec Corp 電波受信装置
JP3576880B2 (ja) * 1999-09-09 2004-10-13 日本電気株式会社 自動変調方式識別装置及び自動変調方式識別方法
US6614851B1 (en) * 2000-07-14 2003-09-02 Lsi Logic Corporation Efficient algorithm for blind detection of signal constellation
JP3811002B2 (ja) * 2000-12-13 2006-08-16 三菱電機株式会社 受信装置
US7408845B2 (en) * 2001-09-10 2008-08-05 Citizen Holdings Co., Ltd. Radio corrected clock
JP3555943B2 (ja) * 2002-02-27 2004-08-18 松下電器産業株式会社 無線受信装置、変調方式判定方法および符号化方式判定方法
US7372779B2 (en) * 2002-09-06 2008-05-13 Citizen Holdings Co., Ltd. Radio controlled timepiece and method of controlling the same
US7411977B1 (en) * 2002-10-21 2008-08-12 Arraycomm Llc. Efficient usage of hardware processing resources
US20050084040A1 (en) * 2003-10-20 2005-04-21 Stewart Kenneth A. Method for modulation detection
US7026935B2 (en) * 2003-11-10 2006-04-11 Impinj, Inc. Method and apparatus to configure an RFID system to be adaptable to a plurality of environmental conditions
US7180962B2 (en) * 2003-12-19 2007-02-20 Electronics And Telecommunications Research Institute Apparatus and method for demodulation using detection of channel adaptive modulation scheme
JPWO2005062137A1 (ja) * 2003-12-24 2008-01-17 シチズンホールディングス株式会社 電波修正時計、電子機器および時刻修正方法
US20050220227A1 (en) * 2004-03-31 2005-10-06 Eyal Krupka Method and apparatus to detect modulation scheme

Also Published As

Publication number Publication date
EP1787444A1 (en) 2007-05-23
US20080095290A1 (en) 2008-04-24
CN101076987A (zh) 2007-11-21
WO2006024849A1 (en) 2006-03-09
DE602005002849D1 (de) 2007-11-22
GB2417860A (en) 2006-03-08
ATE375666T1 (de) 2007-10-15
GB0419388D0 (en) 2004-10-06
EP1787444B1 (en) 2007-10-10
DE602005002849T2 (de) 2008-08-07

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20130901

ARF Application filed for restoration

Effective date: 20150226

ARR Application refused for restoration of standard patent

Effective date: 20160914