SIGNAL TRANSMITTER
To provide a signal transmitter that improves the waveform quality of a signal deteriorated due to the influence of reflection noise from a large-sized PTR necessary for signal transmission at various data rates.SOLUTION: A signal transmitter 1 has a multi-point wiring structure in which terminating...
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| creator | UEMATSU YUTAKA SHIRAISHI MASAHIRO OTANI TATSUYUKI HAMAMOTO GORO |
| description | To provide a signal transmitter that improves the waveform quality of a signal deteriorated due to the influence of reflection noise from a large-sized PTR necessary for signal transmission at various data rates.SOLUTION: A signal transmitter 1 has a multi-point wiring structure in which terminating resistors 8a, 8b are mounted at both ends of a cable 7, and a plurality of PCBs 5 connected with the cable 7 transmit signals through the cable 7. A PCB 5 of an own node comprises: a connector 6 that is connected with the cable 7; a transformer unit that is connected with the connector 6 through a PCB transmission path 21 and insulates the connector 6; an RS485 transceiver 24 that is connected with the transformer unit through a PCB transmission path 23, and transmits signals to the PCBs 5 of the other nodes or receives signals from the PCBs 5 of the other nodes; and an AC terminal 30 that is provided on at least one of the PCB transmission path 21 and the PCB transmission path 23 and prevents resonance and anti-resonance in the reflection frequency characteristics of noise.SELECTED DRAWING: Figure 5
【課題】様々なデータレートの信号伝送に必要となる大型のＰＴＲからの反射ノイズの影響で劣化する信号の波形品質を向上させる信号伝送装置を提供する。【解決手段】信号伝送装置１は、ケーブル７の両端に終端抵抗８ａ，８ｂが実装され、ケーブル７に接続された複数のＰＣＢ５が、ケーブル７を通じて信号を伝送するマルチポイント配線構造とする。自ノードのＰＣＢ５は、ケーブル７に接続されるコネクタ６と、ＰＣＢ伝送線路２１を介してコネクタ６に接続され、コネクタ６を絶縁するトランス部と、ＰＣＢ伝送線路２３を介してトランス部に接続され、他ノードのＰＣＢ５に対して信号を送信し、又は他ノードのＰＣＢ５から信号を受信するＲＳ４８５トランシーバ２４と、ＰＣＢ伝送線路２１及びＰＣＢ伝送線路２３のうち、少なくとも一つに設けられ、ノイズの反射周波数特性における共振及び反共振を抑制するＡＣ終端３０と、を備える。【選択図】図５ |
| format | Patent |
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【課題】様々なデータレートの信号伝送に必要となる大型のＰＴＲからの反射ノイズの影響で劣化する信号の波形品質を向上させる信号伝送装置を提供する。【解決手段】信号伝送装置１は、ケーブル７の両端に終端抵抗８ａ，８ｂが実装され、ケーブル７に接続された複数のＰＣＢ５が、ケーブル７を通じて信号を伝送するマルチポイント配線構造とする。自ノードのＰＣＢ５は、ケーブル７に接続されるコネクタ６と、ＰＣＢ伝送線路２１を介してコネクタ６に接続され、コネクタ６を絶縁するトランス部と、ＰＣＢ伝送線路２３を介してトランス部に接続され、他ノードのＰＣＢ５に対して信号を送信し、又は他ノードのＰＣＢ５から信号を受信するＲＳ４８５トランシーバ２４と、ＰＣＢ伝送線路２１及びＰＣＢ伝送線路２３のうち、少なくとも一つに設けられ、ノイズの反射周波数特性における共振及び反共振を抑制するＡＣ終端３０と、を備える。【選択図】図５</description><language>eng ; jpn</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</subject><creationdate>2022</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=20220615&DB=EPODOC&CC=JP&NR=2022088789A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220615&DB=EPODOC&CC=JP&NR=2022088789A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>UEMATSU YUTAKA</creatorcontrib><creatorcontrib>SHIRAISHI MASAHIRO</creatorcontrib><creatorcontrib>OTANI TATSUYUKI</creatorcontrib><creatorcontrib>HAMAMOTO GORO</creatorcontrib><title>SIGNAL TRANSMITTER</title><description>To provide a signal transmitter that improves the waveform quality of a signal deteriorated due to the influence of reflection noise from a large-sized PTR necessary for signal transmission at various data rates.SOLUTION: A signal transmitter 1 has a multi-point wiring structure in which terminating resistors 8a, 8b are mounted at both ends of a cable 7, and a plurality of PCBs 5 connected with the cable 7 transmit signals through the cable 7. A PCB 5 of an own node comprises: a connector 6 that is connected with the cable 7; a transformer unit that is connected with the connector 6 through a PCB transmission path 21 and insulates the connector 6; an RS485 transceiver 24 that is connected with the transformer unit through a PCB transmission path 23, and transmits signals to the PCBs 5 of the other nodes or receives signals from the PCBs 5 of the other nodes; and an AC terminal 30 that is provided on at least one of the PCB transmission path 21 and the PCB transmission path 23 and prevents resonance and anti-resonance in the reflection frequency characteristics of noise.SELECTED DRAWING: Figure 5
【課題】様々なデータレートの信号伝送に必要となる大型のＰＴＲからの反射ノイズの影響で劣化する信号の波形品質を向上させる信号伝送装置を提供する。【解決手段】信号伝送装置１は、ケーブル７の両端に終端抵抗８ａ，８ｂが実装され、ケーブル７に接続された複数のＰＣＢ５が、ケーブル７を通じて信号を伝送するマルチポイント配線構造とする。自ノードのＰＣＢ５は、ケーブル７に接続されるコネクタ６と、ＰＣＢ伝送線路２１を介してコネクタ６に接続され、コネクタ６を絶縁するトランス部と、ＰＣＢ伝送線路２３を介してトランス部に接続され、他ノードのＰＣＢ５に対して信号を送信し、又は他ノードのＰＣＢ５から信号を受信するＲＳ４８５トランシーバ２４と、ＰＣＢ伝送線路２１及びＰＣＢ伝送線路２３のうち、少なくとも一つに設けられ、ノイズの反射周波数特性における共振及び反共振を抑制するＡＣ終端３０と、を備える。【選択図】図５</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>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBAK9nT3c_RRCAly9Av29QwJcQ3iYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxXgFGBkZGBhYW5haWjsZEKQIAiigexA</recordid><startdate>20220615</startdate><enddate>20220615</enddate><creator>UEMATSU YUTAKA</creator><creator>SHIRAISHI MASAHIRO</creator><creator>OTANI TATSUYUKI</creator><creator>HAMAMOTO GORO</creator><scope>EVB</scope></search><sort><creationdate>20220615</creationdate><title>SIGNAL TRANSMITTER</title><author>UEMATSU YUTAKA ; SHIRAISHI MASAHIRO ; OTANI TATSUYUKI ; HAMAMOTO GORO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2022088789A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2022</creationdate><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</topic><toplevel>online_resources</toplevel><creatorcontrib>UEMATSU YUTAKA</creatorcontrib><creatorcontrib>SHIRAISHI MASAHIRO</creatorcontrib><creatorcontrib>OTANI TATSUYUKI</creatorcontrib><creatorcontrib>HAMAMOTO GORO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>UEMATSU YUTAKA</au><au>SHIRAISHI MASAHIRO</au><au>OTANI TATSUYUKI</au><au>HAMAMOTO GORO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SIGNAL TRANSMITTER</title><date>2022-06-15</date><risdate>2022</risdate><abstract>To provide a signal transmitter that improves the waveform quality of a signal deteriorated due to the influence of reflection noise from a large-sized PTR necessary for signal transmission at various data rates.SOLUTION: A signal transmitter 1 has a multi-point wiring structure in which terminating resistors 8a, 8b are mounted at both ends of a cable 7, and a plurality of PCBs 5 connected with the cable 7 transmit signals through the cable 7. A PCB 5 of an own node comprises: a connector 6 that is connected with the cable 7; a transformer unit that is connected with the connector 6 through a PCB transmission path 21 and insulates the connector 6; an RS485 transceiver 24 that is connected with the transformer unit through a PCB transmission path 23, and transmits signals to the PCBs 5 of the other nodes or receives signals from the PCBs 5 of the other nodes; and an AC terminal 30 that is provided on at least one of the PCB transmission path 21 and the PCB transmission path 23 and prevents resonance and anti-resonance in the reflection frequency characteristics of noise.SELECTED DRAWING: Figure 5
【課題】様々なデータレートの信号伝送に必要となる大型のＰＴＲからの反射ノイズの影響で劣化する信号の波形品質を向上させる信号伝送装置を提供する。【解決手段】信号伝送装置１は、ケーブル７の両端に終端抵抗８ａ，８ｂが実装され、ケーブル７に接続された複数のＰＣＢ５が、ケーブル７を通じて信号を伝送するマルチポイント配線構造とする。自ノードのＰＣＢ５は、ケーブル７に接続されるコネクタ６と、ＰＣＢ伝送線路２１を介してコネクタ６に接続され、コネクタ６を絶縁するトランス部と、ＰＣＢ伝送線路２３を介してトランス部に接続され、他ノードのＰＣＢ５に対して信号を送信し、又は他ノードのＰＣＢ５から信号を受信するＲＳ４８５トランシーバ２４と、ＰＣＢ伝送線路２１及びＰＣＢ伝送線路２３のうち、少なくとも一つに設けられ、ノイズの反射周波数特性における共振及び反共振を抑制するＡＣ終端３０と、を備える。【選択図】図５</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION |
| title | SIGNAL TRANSMITTER |
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