Hybridkrets for reduksjon av nær-ekko-signaler
Det beskrives en hybridkrets som kan anvendes for vesentlig å redusere nær-ekko signaler. Kretsen inkluderer en balansert 2-tråds til 4-tråds hybrid for å sammenkoble en totråds mottaksvei og en totråds sendevei til en totråds transmisjonslinje. Totråds mottaksveien forbinder den balanserte hybrid t...
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creator | LAHTI, MAURTIZ ISAKSSON, ANDERS IMAN, HANS NORDSTROEM, TOMAS OLSSON, LENNART IDLING, PER BAHLENBERG, GUNNAR BENGTSSON, DANIEL HANSSON, MAGNUS LUNDBERG, HANS DENTGEN, PETRA ISAKSSON, LARS-ÅKE ISAKSSON, MIKAEL STEFANSSON, TOMAS SJOEBERG, FRANCK LJUNGGREN, LIS-MARIE IKVIST, GOERAN HOKANSSON, SIWERT OLOFSSON, SVEN-RUNE |
description | Det beskrives en hybridkrets som kan anvendes for vesentlig å redusere nær-ekko signaler. Kretsen inkluderer en balansert 2-tråds til 4-tråds hybrid for å sammenkoble en totråds mottaksvei og en totråds sendevei til en totråds transmisjonslinje. Totråds mottaksveien forbinder den balanserte hybrid til en A/D omdanner, og totråds- sendeveien forbinder en D/A omdanner til en balansert hybrid. Totråds-mottaksveien inneholder et filter, som er dimensjonert for å fjerne signaler transmittert fra D/A omdanneren. Oppfinnelsen er spesielt tilpasset for anvendelse med FDD og OFDD.
The hybrid circuit can be used to substantially reduce near echo signals. The circuit includes a balanced 2-wire to 4-wire hybrid for interconnecting a two wire receive path and a two wire transmit path to a two wire transmission line. The two wire receive path connects the balanced hybrid to an A/D converter and the two wire transmit path connects a D/A converter to the balanced hybrid. The two wire receive path contains a filter, dimensioned to remove signals transmitted from the D/A converter. The invention is particularly adapted for use with FDD and OFDD. |
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The hybrid circuit can be used to substantially reduce near echo signals. The circuit includes a balanced 2-wire to 4-wire hybrid for interconnecting a two wire receive path and a two wire transmit path to a two wire transmission line. The two wire receive path connects the balanced hybrid to an A/D converter and the two wire transmit path connects a D/A converter to the balanced hybrid. The two wire receive path contains a filter, dimensioned to remove signals transmitted from the D/A converter. The invention is particularly adapted for use with FDD and OFDD.</description><edition>7</edition><language>nor</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; TRANSMISSION</subject><creationdate>2000</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=20000629&DB=EPODOC&CC=NO&NR=20002139L$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20000629&DB=EPODOC&CC=NO&NR=20002139L$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LAHTI, MAURTIZ</creatorcontrib><creatorcontrib>ISAKSSON, ANDERS</creatorcontrib><creatorcontrib>IMAN, HANS</creatorcontrib><creatorcontrib>NORDSTROEM, TOMAS</creatorcontrib><creatorcontrib>OLSSON, LENNART</creatorcontrib><creatorcontrib>IDLING, PER</creatorcontrib><creatorcontrib>BAHLENBERG, GUNNAR</creatorcontrib><creatorcontrib>BENGTSSON, DANIEL</creatorcontrib><creatorcontrib>HANSSON, MAGNUS</creatorcontrib><creatorcontrib>LUNDBERG, HANS</creatorcontrib><creatorcontrib>DENTGEN, PETRA</creatorcontrib><creatorcontrib>ISAKSSON, LARS-ÅKE</creatorcontrib><creatorcontrib>ISAKSSON, MIKAEL</creatorcontrib><creatorcontrib>STEFANSSON, TOMAS</creatorcontrib><creatorcontrib>SJOEBERG, FRANCK</creatorcontrib><creatorcontrib>LJUNGGREN, LIS-MARIE</creatorcontrib><creatorcontrib>IKVIST, GOERAN</creatorcontrib><creatorcontrib>HOKANSSON, SIWERT</creatorcontrib><creatorcontrib>OLOFSSON, SVEN-RUNE</creatorcontrib><title>Hybridkrets for reduksjon av nær-ekko-signaler</title><description>Det beskrives en hybridkrets som kan anvendes for vesentlig å redusere nær-ekko signaler. Kretsen inkluderer en balansert 2-tråds til 4-tråds hybrid for å sammenkoble en totråds mottaksvei og en totråds sendevei til en totråds transmisjonslinje. Totråds mottaksveien forbinder den balanserte hybrid til en A/D omdanner, og totråds- sendeveien forbinder en D/A omdanner til en balansert hybrid. Totråds-mottaksveien inneholder et filter, som er dimensjonert for å fjerne signaler transmittert fra D/A omdanneren. Oppfinnelsen er spesielt tilpasset for anvendelse med FDD og OFDD.
The hybrid circuit can be used to substantially reduce near echo signals. The circuit includes a balanced 2-wire to 4-wire hybrid for interconnecting a two wire receive path and a two wire transmit path to a two wire transmission line. The two wire receive path connects the balanced hybrid to an A/D converter and the two wire transmit path connects a D/A converter to the balanced hybrid. The two wire receive path contains a filter, dimensioned to remove signals transmitted from the D/A converter. The invention is particularly adapted for use with FDD and OFDD.</description><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>TRANSMISSION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2000</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZND3qEwqykzJLkotKVZIyy9SKEpNKc0uzsrPU0gsU8g7vKxINzU7O1-3ODM9LzEntYiHgTUtMac4lRdKczMourmGOHvophbkx6cWFyQmp-allsT7-RsZGBgYGRpb-vgYE6MGAIqPK_4</recordid><startdate>20000629</startdate><enddate>20000629</enddate><creator>LAHTI, MAURTIZ</creator><creator>ISAKSSON, ANDERS</creator><creator>IMAN, HANS</creator><creator>NORDSTROEM, TOMAS</creator><creator>OLSSON, LENNART</creator><creator>IDLING, PER</creator><creator>BAHLENBERG, GUNNAR</creator><creator>BENGTSSON, DANIEL</creator><creator>HANSSON, MAGNUS</creator><creator>LUNDBERG, HANS</creator><creator>DENTGEN, PETRA</creator><creator>ISAKSSON, LARS-ÅKE</creator><creator>ISAKSSON, MIKAEL</creator><creator>STEFANSSON, TOMAS</creator><creator>SJOEBERG, FRANCK</creator><creator>LJUNGGREN, LIS-MARIE</creator><creator>IKVIST, GOERAN</creator><creator>HOKANSSON, SIWERT</creator><creator>OLOFSSON, SVEN-RUNE</creator><scope>EVB</scope></search><sort><creationdate>20000629</creationdate><title>Hybridkrets for reduksjon av nær-ekko-signaler</title><author>LAHTI, MAURTIZ ; ISAKSSON, ANDERS ; IMAN, HANS ; NORDSTROEM, TOMAS ; OLSSON, LENNART ; IDLING, PER ; BAHLENBERG, GUNNAR ; BENGTSSON, DANIEL ; HANSSON, MAGNUS ; LUNDBERG, HANS ; DENTGEN, PETRA ; ISAKSSON, LARS-ÅKE ; ISAKSSON, MIKAEL ; STEFANSSON, TOMAS ; SJOEBERG, FRANCK ; LJUNGGREN, LIS-MARIE ; IKVIST, GOERAN ; HOKANSSON, SIWERT ; OLOFSSON, SVEN-RUNE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_NO20002139LL3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>nor</language><creationdate>2000</creationdate><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>TRANSMISSION</topic><toplevel>online_resources</toplevel><creatorcontrib>LAHTI, MAURTIZ</creatorcontrib><creatorcontrib>ISAKSSON, ANDERS</creatorcontrib><creatorcontrib>IMAN, HANS</creatorcontrib><creatorcontrib>NORDSTROEM, TOMAS</creatorcontrib><creatorcontrib>OLSSON, LENNART</creatorcontrib><creatorcontrib>IDLING, PER</creatorcontrib><creatorcontrib>BAHLENBERG, GUNNAR</creatorcontrib><creatorcontrib>BENGTSSON, DANIEL</creatorcontrib><creatorcontrib>HANSSON, MAGNUS</creatorcontrib><creatorcontrib>LUNDBERG, HANS</creatorcontrib><creatorcontrib>DENTGEN, PETRA</creatorcontrib><creatorcontrib>ISAKSSON, LARS-ÅKE</creatorcontrib><creatorcontrib>ISAKSSON, MIKAEL</creatorcontrib><creatorcontrib>STEFANSSON, TOMAS</creatorcontrib><creatorcontrib>SJOEBERG, FRANCK</creatorcontrib><creatorcontrib>LJUNGGREN, LIS-MARIE</creatorcontrib><creatorcontrib>IKVIST, GOERAN</creatorcontrib><creatorcontrib>HOKANSSON, SIWERT</creatorcontrib><creatorcontrib>OLOFSSON, SVEN-RUNE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LAHTI, MAURTIZ</au><au>ISAKSSON, ANDERS</au><au>IMAN, HANS</au><au>NORDSTROEM, TOMAS</au><au>OLSSON, LENNART</au><au>IDLING, PER</au><au>BAHLENBERG, GUNNAR</au><au>BENGTSSON, DANIEL</au><au>HANSSON, MAGNUS</au><au>LUNDBERG, HANS</au><au>DENTGEN, PETRA</au><au>ISAKSSON, LARS-ÅKE</au><au>ISAKSSON, MIKAEL</au><au>STEFANSSON, TOMAS</au><au>SJOEBERG, FRANCK</au><au>LJUNGGREN, LIS-MARIE</au><au>IKVIST, GOERAN</au><au>HOKANSSON, SIWERT</au><au>OLOFSSON, SVEN-RUNE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Hybridkrets for reduksjon av nær-ekko-signaler</title><date>2000-06-29</date><risdate>2000</risdate><abstract>Det beskrives en hybridkrets som kan anvendes for vesentlig å redusere nær-ekko signaler. Kretsen inkluderer en balansert 2-tråds til 4-tråds hybrid for å sammenkoble en totråds mottaksvei og en totråds sendevei til en totråds transmisjonslinje. Totråds mottaksveien forbinder den balanserte hybrid til en A/D omdanner, og totråds- sendeveien forbinder en D/A omdanner til en balansert hybrid. Totråds-mottaksveien inneholder et filter, som er dimensjonert for å fjerne signaler transmittert fra D/A omdanneren. Oppfinnelsen er spesielt tilpasset for anvendelse med FDD og OFDD.
The hybrid circuit can be used to substantially reduce near echo signals. The circuit includes a balanced 2-wire to 4-wire hybrid for interconnecting a two wire receive path and a two wire transmit path to a two wire transmission line. The two wire receive path connects the balanced hybrid to an A/D converter and the two wire transmit path connects a D/A converter to the balanced hybrid. The two wire receive path contains a filter, dimensioned to remove signals transmitted from the D/A converter. The invention is particularly adapted for use with FDD and OFDD.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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subjects | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION |
title | Hybridkrets for reduksjon av nær-ekko-signaler |
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