SYNCHRONOUS NETWORK, COMMUNICATION DEVICE, SYNCHRONIZATION METHOD, AND SYNCHRONIZATION PROGRAM
PROBLEM TO BE SOLVED: To provide a synchronous network system, synchronization method and synchronization program capable of achieving selection of a clock signal having high quality.SOLUTION: A communication device according to the invention is a communication device to be used in a synchronous net...
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| creator | KAWASHIMA TAICHI |
| description | PROBLEM TO BE SOLVED: To provide a synchronous network system, synchronization method and synchronization program capable of achieving selection of a clock signal having high quality.SOLUTION: A communication device according to the invention is a communication device to be used in a synchronous network system composed of a plurality of communication devices which synchronize with a synchronous clock to operate, and includes information setting means for writing a HOP number in a prescribed area of a packet that notifies of a quality state of the synchronous clock, information operation means for writing a value obtained by counting up or counting down the HOP number in a prescribed area of a packet that notifies of a quality state of a synchronous clock arriving from another communication device, and selection instruction means for instructing to select a synchronous clock on the basis of information of the prescribed area of the packet that notifies of the quality state of the synchronous clock.SELECTED DRAWING: Figure 1
【課題】品質の高いクロック信号の選択を実現できる、同期ネットワークシステム、同期方法、及び同期プログラムを提供する。【解決手段】本発明に係る通信装置は、同期クロックに同期して動作する複数の通信装置からなる同期ネットワークシステムに用いられる通信装置であって、同期クロックの品質状態を通知するパケットの所定領域にＨＯＰ数を書き込む情報設定手段と、他の通信装置から届いた同期クロックの品質状態を通知するパケットの所定領域に対して前記ＨＯＰ数をカウントアップ或いはカウントダウンした値を書き込む情報操作手段と、前記同期クロックの品質状態を通知するパケットの所定領域の情報に基づいて、同期クロックの選択を指示する選択指示手段とを、有する。【選択図】 図１ |
| format | Patent |
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【課題】品質の高いクロック信号の選択を実現できる、同期ネットワークシステム、同期方法、及び同期プログラムを提供する。【解決手段】本発明に係る通信装置は、同期クロックに同期して動作する複数の通信装置からなる同期ネットワークシステムに用いられる通信装置であって、同期クロックの品質状態を通知するパケットの所定領域にＨＯＰ数を書き込む情報設定手段と、他の通信装置から届いた同期クロックの品質状態を通知するパケットの所定領域に対して前記ＨＯＰ数をカウントアップ或いはカウントダウンした値を書き込む情報操作手段と、前記同期クロックの品質状態を通知するパケットの所定領域の情報に基づいて、同期クロックの選択を指示する選択指示手段とを、有する。【選択図】 図１</description><language>eng ; jpn</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</subject><creationdate>2016</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160908&DB=EPODOC&CC=JP&NR=2016165034A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160908&DB=EPODOC&CC=JP&NR=2016165034A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KAWASHIMA TAICHI</creatorcontrib><title>SYNCHRONOUS NETWORK, COMMUNICATION DEVICE, SYNCHRONIZATION METHOD, AND SYNCHRONIZATION PROGRAM</title><description>PROBLEM TO BE SOLVED: To provide a synchronous network system, synchronization method and synchronization program capable of achieving selection of a clock signal having high quality.SOLUTION: A communication device according to the invention is a communication device to be used in a synchronous network system composed of a plurality of communication devices which synchronize with a synchronous clock to operate, and includes information setting means for writing a HOP number in a prescribed area of a packet that notifies of a quality state of the synchronous clock, information operation means for writing a value obtained by counting up or counting down the HOP number in a prescribed area of a packet that notifies of a quality state of a synchronous clock arriving from another communication device, and selection instruction means for instructing to select a synchronous clock on the basis of information of the prescribed area of the packet that notifies of the quality state of the synchronous clock.SELECTED DRAWING: Figure 1
【課題】品質の高いクロック信号の選択を実現できる、同期ネットワークシステム、同期方法、及び同期プログラムを提供する。【解決手段】本発明に係る通信装置は、同期クロックに同期して動作する複数の通信装置からなる同期ネットワークシステムに用いられる通信装置であって、同期クロックの品質状態を通知するパケットの所定領域にＨＯＰ数を書き込む情報設定手段と、他の通信装置から届いた同期クロックの品質状態を通知するパケットの所定領域に対して前記ＨＯＰ数をカウントアップ或いはカウントダウンした値を書き込む情報操作手段と、前記同期クロックの品質状態を通知するパケットの所定領域の情報に基づいて、同期クロックの選択を指示する選択指示手段とを、有する。【選択図】 図１</description><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZIgLjvRz9gjy9_MPDVbwcw0J9w_y1lFw9vf1DfXzdHYM8fT3U3BxDfN0dtVRgCn1jIKI-7qGePi76Cg4-rlgyAUE-bsHOfryMLCmJeYUp_JCaW4GJTfXEGcP3dSC_PjU4oLE5NS81JJ4rwAjA0MzQzNTA2MTR2OiFAEA-B80IA</recordid><startdate>20160908</startdate><enddate>20160908</enddate><creator>KAWASHIMA TAICHI</creator><scope>EVB</scope></search><sort><creationdate>20160908</creationdate><title>SYNCHRONOUS NETWORK, COMMUNICATION DEVICE, SYNCHRONIZATION METHOD, AND SYNCHRONIZATION PROGRAM</title><author>KAWASHIMA TAICHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2016165034A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2016</creationdate><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</topic><toplevel>online_resources</toplevel><creatorcontrib>KAWASHIMA TAICHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KAWASHIMA TAICHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SYNCHRONOUS NETWORK, COMMUNICATION DEVICE, SYNCHRONIZATION METHOD, AND SYNCHRONIZATION PROGRAM</title><date>2016-09-08</date><risdate>2016</risdate><abstract>PROBLEM TO BE SOLVED: To provide a synchronous network system, synchronization method and synchronization program capable of achieving selection of a clock signal having high quality.SOLUTION: A communication device according to the invention is a communication device to be used in a synchronous network system composed of a plurality of communication devices which synchronize with a synchronous clock to operate, and includes information setting means for writing a HOP number in a prescribed area of a packet that notifies of a quality state of the synchronous clock, information operation means for writing a value obtained by counting up or counting down the HOP number in a prescribed area of a packet that notifies of a quality state of a synchronous clock arriving from another communication device, and selection instruction means for instructing to select a synchronous clock on the basis of information of the prescribed area of the packet that notifies of the quality state of the synchronous clock.SELECTED DRAWING: Figure 1
【課題】品質の高いクロック信号の選択を実現できる、同期ネットワークシステム、同期方法、及び同期プログラムを提供する。【解決手段】本発明に係る通信装置は、同期クロックに同期して動作する複数の通信装置からなる同期ネットワークシステムに用いられる通信装置であって、同期クロックの品質状態を通知するパケットの所定領域にＨＯＰ数を書き込む情報設定手段と、他の通信装置から届いた同期クロックの品質状態を通知するパケットの所定領域に対して前記ＨＯＰ数をカウントアップ或いはカウントダウンした値を書き込む情報操作手段と、前記同期クロックの品質状態を通知するパケットの所定領域の情報に基づいて、同期クロックの選択を指示する選択指示手段とを、有する。【選択図】 図１</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; jpn |
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| subjects | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION |
| title | SYNCHRONOUS NETWORK, COMMUNICATION DEVICE, SYNCHRONIZATION METHOD, AND SYNCHRONIZATION PROGRAM |
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