KR100265069B

KR100265069B

PURPOSE: An ISDN(Integrated Services Digital NETWORK) subscriber interface module is provided to receive an ADPCM(ADaptive Pulse Code Modulation) CODEC, so as to increase the number of subscribers capable of simultaneously performing voice speeches per port. CONSTITUTION: An HDLC(High-level Data Lin...

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1. Verfasser: KO, YEONG-HUN
Format: Patent
Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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description PURPOSE: An ISDN(Integrated Services Digital NETWORK) subscriber interface module is provided to receive an ADPCM(ADaptive Pulse Code Modulation) CODEC, so as to increase the number of subscribers capable of simultaneously performing voice speeches per port. CONSTITUTION: An HDLC(High-level Data Link Control) controller(130) extracts a signaling message from signals transmitted from a time switch of an exchange. A GCI(General Circuit Interface) bus controller(140) adjusts ADPCM(ADaptive Pulse Code Modulation)-encoded data to a GCI bus type. An S-reference point transceiver(150) restores signals transmitted from an S-reference point and transmits the restored signals to the HDLC controller(130) and the GCI bus controller(140), and transmits the ADPCM data to the S-reference point. An ADPCM CODEC(160) extracts voice ADPCM signals from the GCI bus controller(140) and converts the voice ADPCM signals into PCM(Pulse Code Modulation) data to transmit the converted data to the time switch. The ADPCM CODEC(160) receives the PCM data from the time switch, and converts the PCM data into the ADPCM data.
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CONSTITUTION: An HDLC(High-level Data Link Control) controller(130) extracts a signaling message from signals transmitted from a time switch of an exchange. A GCI(General Circuit Interface) bus controller(140) adjusts ADPCM(ADaptive Pulse Code Modulation)-encoded data to a GCI bus type. An S-reference point transceiver(150) restores signals transmitted from an S-reference point and transmits the restored signals to the HDLC controller(130) and the GCI bus controller(140), and transmits the ADPCM data to the S-reference point. An ADPCM CODEC(160) extracts voice ADPCM signals from the GCI bus controller(140) and converts the voice ADPCM signals into PCM(Pulse Code Modulation) data to transmit the converted data to the time switch. The ADPCM CODEC(160) receives the PCM data from the time switch, and converts the PCM data into the ADPCM data.</description><edition>7</edition><language>eng</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</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&amp;date=20000901&amp;DB=EPODOC&amp;CC=KR&amp;NR=100265069B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20000901&amp;DB=EPODOC&amp;CC=KR&amp;NR=100265069B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KO, YEONG-HUN</creatorcontrib><title>KR100265069B</title><description>PURPOSE: An ISDN(Integrated Services Digital NETWORK) subscriber interface module is provided to receive an ADPCM(ADaptive Pulse Code Modulation) CODEC, so as to increase the number of subscribers capable of simultaneously performing voice speeches per port. CONSTITUTION: An HDLC(High-level Data Link Control) controller(130) extracts a signaling message from signals transmitted from a time switch of an exchange. A GCI(General Circuit Interface) bus controller(140) adjusts ADPCM(ADaptive Pulse Code Modulation)-encoded data to a GCI bus type. An S-reference point transceiver(150) restores signals transmitted from an S-reference point and transmits the restored signals to the HDLC controller(130) and the GCI bus controller(140), and transmits the ADPCM data to the S-reference point. An ADPCM CODEC(160) extracts voice ADPCM signals from the GCI bus controller(140) and converts the voice ADPCM signals into PCM(Pulse Code Modulation) data to transmit the converted data to the time switch. The ADPCM CODEC(160) receives the PCM data from the time switch, and converts the PCM data into the ADPCM data.</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>2000</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZODxDjI0MDAyMzUws3TiYWBNS8wpTuWF0twMym6uIc4euqkF-fGpxQWJyal5qSXxyFqcDI2JUwUAuJYcnQ</recordid><startdate>20000901</startdate><enddate>20000901</enddate><creator>KO, YEONG-HUN</creator><scope>EVB</scope></search><sort><creationdate>20000901</creationdate><title>KR100265069B</title><author>KO, YEONG-HUN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_KR100265069BB13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2000</creationdate><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</topic><toplevel>online_resources</toplevel><creatorcontrib>KO, YEONG-HUN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KO, YEONG-HUN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>KR100265069B</title><date>2000-09-01</date><risdate>2000</risdate><abstract>PURPOSE: An ISDN(Integrated Services Digital NETWORK) subscriber interface module is provided to receive an ADPCM(ADaptive Pulse Code Modulation) CODEC, so as to increase the number of subscribers capable of simultaneously performing voice speeches per port. CONSTITUTION: An HDLC(High-level Data Link Control) controller(130) extracts a signaling message from signals transmitted from a time switch of an exchange. A GCI(General Circuit Interface) bus controller(140) adjusts ADPCM(ADaptive Pulse Code Modulation)-encoded data to a GCI bus type. An S-reference point transceiver(150) restores signals transmitted from an S-reference point and transmits the restored signals to the HDLC controller(130) and the GCI bus controller(140), and transmits the ADPCM data to the S-reference point. An ADPCM CODEC(160) extracts voice ADPCM signals from the GCI bus controller(140) and converts the voice ADPCM signals into PCM(Pulse Code Modulation) data to transmit the converted data to the time switch. The ADPCM CODEC(160) receives the PCM data from the time switch, and converts the PCM data into the ADPCM data.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title KR100265069B
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