JPH0562855B

JPH0562855B

PURPOSE:To improve transmission characteristics and shorten a transmission time by holding parameters of a receiver, such as an AGC gain and an equalizer parameter, during high-speed modem signal reception and using them in the next high-speed modem signal reception. CONSTITUTION:When detecting a co...

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1. Verfasser: KUDO SHOZO
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator KUDO SHOZO
description PURPOSE:To improve transmission characteristics and shorten a transmission time by holding parameters of a receiver, such as an AGC gain and an equalizer parameter, during high-speed modem signal reception and using them in the next high-speed modem signal reception. CONSTITUTION:When detecting a control signal (CFR, MCF) leaking in from a reception-side modulator 30 through a hybrid transformer 33 and the low-speed modem signal consisting of a control signal (MPS) from a transmission side hold are detected, a reception-side demodulator holds receiver parameters such as the AGC gain and equalizer parameter in a memory, and when a high-speed modem signal consisting of a picture signal (PIX) is detected, receiving operation is carried out to its end to hold the receiver parameters in the memory at the end of the reception. Those receiver parameters are used in the next high- speed modem signal reception. Consequently, the re-training time in high-speed modem signal reception is shortened.
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CONSTITUTION:When detecting a control signal (CFR, MCF) leaking in from a reception-side modulator 30 through a hybrid transformer 33 and the low-speed modem signal consisting of a control signal (MPS) from a transmission side hold are detected, a reception-side demodulator holds receiver parameters such as the AGC gain and equalizer parameter in a memory, and when a high-speed modem signal consisting of a picture signal (PIX) is detected, receiving operation is carried out to its end to hold the receiver parameters in the memory at the end of the reception. Those receiver parameters are used in the next high- speed modem signal reception. Consequently, the re-training time in high-speed modem signal reception is shortened.</description><edition>5</edition><language>eng</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; PICTORIAL COMMUNICATION, e.g. TELEVISION ; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</subject><creationdate>1993</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=19930909&amp;DB=EPODOC&amp;CC=JP&amp;NR=H0562855B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19930909&amp;DB=EPODOC&amp;CC=JP&amp;NR=H0562855B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KUDO SHOZO</creatorcontrib><title>JPH0562855B</title><description>PURPOSE:To improve transmission characteristics and shorten a transmission time by holding parameters of a receiver, such as an AGC gain and an equalizer parameter, during high-speed modem signal reception and using them in the next high-speed modem signal reception. CONSTITUTION:When detecting a control signal (CFR, MCF) leaking in from a reception-side modulator 30 through a hybrid transformer 33 and the low-speed modem signal consisting of a control signal (MPS) from a transmission side hold are detected, a reception-side demodulator holds receiver parameters such as the AGC gain and equalizer parameter in a memory, and when a high-speed modem signal consisting of a picture signal (PIX) is detected, receiving operation is carried out to its end to hold the receiver parameters in the memory at the end of the reception. Those receiver parameters are used in the next high- speed modem signal reception. 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CONSTITUTION:When detecting a control signal (CFR, MCF) leaking in from a reception-side modulator 30 through a hybrid transformer 33 and the low-speed modem signal consisting of a control signal (MPS) from a transmission side hold are detected, a reception-side demodulator holds receiver parameters such as the AGC gain and equalizer parameter in a memory, and when a high-speed modem signal consisting of a picture signal (PIX) is detected, receiving operation is carried out to its end to hold the receiver parameters in the memory at the end of the reception. Those receiver parameters are used in the next high- speed modem signal reception. Consequently, the re-training time in high-speed modem signal reception is shortened.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record>
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title JPH0562855B
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