WO2008111229A1 - 電子装置、クロック装置、およびクロック制御装置 - Google Patents

電子装置、クロック装置、およびクロック制御装置 Download PDF

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Publication number
WO2008111229A1
WO2008111229A1 PCT/JP2007/055276 JP2007055276W WO2008111229A1 WO 2008111229 A1 WO2008111229 A1 WO 2008111229A1 JP 2007055276 W JP2007055276 W JP 2007055276W WO 2008111229 A1 WO2008111229 A1 WO 2008111229A1
Authority
WO
WIPO (PCT)
Prior art keywords
frequency
clock
section
signal
electronic device
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2007/055276
Other languages
English (en)
French (fr)
Inventor
Masakazu Kishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP2009503868A priority Critical patent/JP4555888B2/ja
Priority to EP07738726.4A priority patent/EP2124376B1/en
Priority to CN200780052139A priority patent/CN101627573A/zh
Priority to PCT/JP2007/055276 priority patent/WO2008111229A1/ja
Publication of WO2008111229A1 publication Critical patent/WO2008111229A1/ja
Priority to US12/585,294 priority patent/US8762765B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Electric Clocks (AREA)

Abstract

　外部装置に対して信号の入出力を行う電子装置であり、周波数が設定されてその設定された周波数のクロック信号を発するクロック部と、クロック部が発したクロック信号に従って信号の入出力を行う入出力部と、外部装置が発している信号の周波数を検知する周波数検知部と、周波数検知部で検知された周波数に基づいてクロック信号の周波数を決めてクロック部に設定する周波数設定部とを備えた。外部装置が発している信号の周波数に基づいてクロック信号の周波数が自動的に設定されるため、メンテナンスの手間やコストを軽減することができる。
PCT/JP2007/055276 2007-03-15 2007-03-15 電子装置、クロック装置、およびクロック制御装置 Ceased WO2008111229A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2009503868A JP4555888B2 (ja) 2007-03-15 2007-03-15 電子装置およびクロック制御装置
EP07738726.4A EP2124376B1 (en) 2007-03-15 2007-03-15 Electronic device, clock, and clock controller
CN200780052139A CN101627573A (zh) 2007-03-15 2007-03-15 电子装置、时钟装置以及时钟控制装置
PCT/JP2007/055276 WO2008111229A1 (ja) 2007-03-15 2007-03-15 電子装置、クロック装置、およびクロック制御装置
US12/585,294 US8762765B2 (en) 2007-03-15 2009-09-10 Electronic apparatus, clock apparatus, and clock control apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/055276 WO2008111229A1 (ja) 2007-03-15 2007-03-15 電子装置、クロック装置、およびクロック制御装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/585,294 Continuation US8762765B2 (en) 2007-03-15 2009-09-10 Electronic apparatus, clock apparatus, and clock control apparatus

Publications (1)

Publication Number Publication Date
WO2008111229A1 true WO2008111229A1 (ja) 2008-09-18

Family

ID=39759177

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/055276 Ceased WO2008111229A1 (ja) 2007-03-15 2007-03-15 電子装置、クロック装置、およびクロック制御装置

Country Status (5)

Country Link
US (1) US8762765B2 (ja)
EP (1) EP2124376B1 (ja)
JP (1) JP4555888B2 (ja)
CN (1) CN101627573A (ja)
WO (1) WO2008111229A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111857236B (zh) * 2020-06-30 2022-03-22 浪潮电子信息产业股份有限公司 一种fpga系统时钟频率设定系统

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09130373A (ja) * 1995-11-02 1997-05-16 Matsushita Electric Ind Co Ltd 無線通信システム
JPH1155118A (ja) 1997-08-06 1999-02-26 Seiko Epson Corp プログラマブル発振器の制御データ書き込み装置および書き込み方法
JP2000341119A (ja) 1999-05-31 2000-12-08 Nec Corp クロック発振回路
JP2001320275A (ja) 2001-03-19 2001-11-16 Seiko Epson Corp プログラマブル発振器の制御データ書き込み装置および書き込み方法
JP2004032429A (ja) * 2002-06-26 2004-01-29 Mitsubishi Electric Corp 通信速度設定装置
JP2004201119A (ja) * 2002-12-19 2004-07-15 Mitsubishi Electric Corp 中継伝送装置及び中継伝送方法及び中継伝送プログラム
JP2005276179A (ja) 2004-02-24 2005-10-06 Seiko Epson Corp プログラマブル電子部品の販売方法およびプログラマブル電子部品の販売システム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001015347A1 (en) * 1999-08-20 2001-03-01 Fujitsu Limited Optical communication system, optical receiver, and wavelength converter
JP2001285729A (ja) * 2000-03-29 2001-10-12 Canon Inc 受信装置及びディジタル放送受信装置とシステム及びそれらの方法
JP4567231B2 (ja) * 2001-04-12 2010-10-20 株式会社日立製作所 波長変換器および波長多重光通信装置
US20030198307A1 (en) * 2002-04-19 2003-10-23 Compaq Information Dynamic clock control to reduce radio interference in digital equipment
US7053720B2 (en) * 2002-11-01 2006-05-30 Broadcom Corporation Configurable voltage controlled oscillator system and method including dividing forming a portion of two or more divider paths
JP2006195602A (ja) 2005-01-12 2006-07-27 Fujitsu Ltd システムクロック分配装置、システムクロック分配方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09130373A (ja) * 1995-11-02 1997-05-16 Matsushita Electric Ind Co Ltd 無線通信システム
JPH1155118A (ja) 1997-08-06 1999-02-26 Seiko Epson Corp プログラマブル発振器の制御データ書き込み装置および書き込み方法
JP2000341119A (ja) 1999-05-31 2000-12-08 Nec Corp クロック発振回路
JP2001320275A (ja) 2001-03-19 2001-11-16 Seiko Epson Corp プログラマブル発振器の制御データ書き込み装置および書き込み方法
JP2004032429A (ja) * 2002-06-26 2004-01-29 Mitsubishi Electric Corp 通信速度設定装置
JP2004201119A (ja) * 2002-12-19 2004-07-15 Mitsubishi Electric Corp 中継伝送装置及び中継伝送方法及び中継伝送プログラム
JP2005276179A (ja) 2004-02-24 2005-10-06 Seiko Epson Corp プログラマブル電子部品の販売方法およびプログラマブル電子部品の販売システム

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2124376A4

Also Published As

Publication number Publication date
CN101627573A (zh) 2010-01-13
EP2124376A1 (en) 2009-11-25
EP2124376B1 (en) 2018-11-21
EP2124376A4 (en) 2015-05-20
US20100002818A1 (en) 2010-01-07
JP4555888B2 (ja) 2010-10-06
JPWO2008111229A1 (ja) 2010-06-24
US8762765B2 (en) 2014-06-24

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