User terminal tester

The utility model relates to a user terminal tester, which is characterized in that the utility model is composed of a switch, a protection unit, a switch A, a switch B, a detection unit, a voltage source B, a voltage source A and a processing unit, wherein the switch-in end of a telephone line is c...

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1. Verfasser:	WANGFA XU
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION
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creator	WANGFA XU
description	The utility model relates to a user terminal tester, which is characterized in that the utility model is composed of a switch, a protection unit, a switch A, a switch B, a detection unit, a voltage source B, a voltage source A and a processing unit, wherein the switch-in end of a telephone line is connected with the switch. After the switch is connected with the protection unit in series, the switch is connected in series with a parallel connection unit composed of the switch A, the voltage source A, the switch B and the voltage source B, then is connected with the detection unit and finally forms a complete circuit through the switch. The processing element is respectively connected with the switch, the switch A, the switch B and the detection unit. The utility model has the advantages that when the equivalent capacitance of a telephone is low or the non-linear characteristics is unobvious, the line fault can be accurately judged for reducing the maintenance cost during the outgoing of users. The circuit is simple, and the application is easy.
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After the switch is connected with the protection unit in series, the switch is connected in series with a parallel connection unit composed of the switch A, the voltage source A, the switch B and the voltage source B, then is connected with the detection unit and finally forms a complete circuit through the switch. The processing element is respectively connected with the switch, the switch A, the switch B and the detection unit. The utility model has the advantages that when the equivalent capacitance of a telephone is low or the non-linear characteristics is unobvious, the line fault can be accurately judged for reducing the maintenance cost during the outgoing of users. The circuit is simple, and the application is easy.</description><language>eng</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; TELEPHONIC COMMUNICATION</subject><creationdate>2006</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=20060524&DB=EPODOC&CC=CN&NR=2783651Y$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20060524&DB=EPODOC&CC=CN&NR=2783651Y$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANGFA XU</creatorcontrib><title>User terminal tester</title><description>The utility model relates to a user terminal tester, which is characterized in that the utility model is composed of a switch, a protection unit, a switch A, a switch B, a detection unit, a voltage source B, a voltage source A and a processing unit, wherein the switch-in end of a telephone line is connected with the switch. After the switch is connected with the protection unit in series, the switch is connected in series with a parallel connection unit composed of the switch A, the voltage source A, the switch B and the voltage source B, then is connected with the detection unit and finally forms a complete circuit through the switch. The processing element is respectively connected with the switch, the switch A, the switch B and the detection unit. The utility model has the advantages that when the equivalent capacitance of a telephone is low or the non-linear characteristics is unobvious, the line fault can be accurately judged for reducing the maintenance cost during the outgoing of users. The circuit is simple, and the application is easy.</description><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>TELEPHONIC COMMUNICATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2006</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBAJLU4tUihJLcrNzEvMATKKgWweBta0xJziVF4ozc2g4OYa4uyhm1qQH59aXJCYnJqXWhLv7GdkbmFsZmoYGWlMhBIAHX0g7Q</recordid><startdate>20060524</startdate><enddate>20060524</enddate><creator>WANGFA XU</creator><scope>EVB</scope></search><sort><creationdate>20060524</creationdate><title>User terminal tester</title><author>WANGFA XU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN2783651YY3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2006</creationdate><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>TELEPHONIC COMMUNICATION</topic><toplevel>online_resources</toplevel><creatorcontrib>WANGFA XU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WANGFA XU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>User terminal tester</title><date>2006-05-24</date><risdate>2006</risdate><abstract>The utility model relates to a user terminal tester, which is characterized in that the utility model is composed of a switch, a protection unit, a switch A, a switch B, a detection unit, a voltage source B, a voltage source A and a processing unit, wherein the switch-in end of a telephone line is connected with the switch. After the switch is connected with the protection unit in series, the switch is connected in series with a parallel connection unit composed of the switch A, the voltage source A, the switch B and the voltage source B, then is connected with the detection unit and finally forms a complete circuit through the switch. The processing element is respectively connected with the switch, the switch A, the switch B and the detection unit. The utility model has the advantages that when the equivalent capacitance of a telephone is low or the non-linear characteristics is unobvious, the line fault can be accurately judged for reducing the maintenance cost during the outgoing of users. The circuit is simple, and the application is easy.</abstract><oa>free_for_read</oa></addata></record>
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subjects	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION
title	User terminal tester
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