Vertical interval data blanker

Vertical interval data blanker

A stretched vertical interval pulse is developed by a transistorized integrating circuit supplied with a composite sync signal applied to a data recovery and unscrambler circuit in a television decoder. The decoder includes a pair of transmission gates that are controlled respectively by VNX and VIX...

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Hauptverfasser: PALMINTERI, CRAIG R
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator PALMINTERI
CRAIG R
description A stretched vertical interval pulse is developed by a transistorized integrating circuit supplied with a composite sync signal applied to a data recovery and unscrambler circuit in a television decoder. The decoder includes a pair of transmission gates that are controlled respectively by VNX and VIX signals developed in the unscrambler circuit. The VNX signal is supplied through an OR gate to the normal transmission gate and the output of the vertical interval pulse stretcher is applied to the other input of the OR gate for delaying cutoff of the transmission gate by the VNX signal until occurrence of horizontal line 10, thus precluding blanking of post equalizing pulses.
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The decoder includes a pair of transmission gates that are controlled respectively by VNX and VIX signals developed in the unscrambler circuit. The VNX signal is supplied through an OR gate to the normal transmission gate and the output of the vertical interval pulse stretcher is applied to the other input of the OR gate for delaying cutoff of the transmission gate by the VNX signal until occurrence of horizontal line 10, thus precluding blanking of post equalizing pulses.</description><edition>4</edition><language>eng</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; PICTORIAL COMMUNICATION, e.g. TELEVISION</subject><creationdate>1987</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=19870901&amp;DB=EPODOC&amp;CC=US&amp;NR=4691354A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19870901&amp;DB=EPODOC&amp;CC=US&amp;NR=4691354A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PALMINTERI; CRAIG R</creatorcontrib><title>Vertical interval data blanker</title><description>A stretched vertical interval pulse is developed by a transistorized integrating circuit supplied with a composite sync signal applied to a data recovery and unscrambler circuit in a television decoder. The decoder includes a pair of transmission gates that are controlled respectively by VNX and VIX signals developed in the unscrambler circuit. The VNX signal is supplied through an OR gate to the normal transmission gate and the output of the vertical interval pulse stretcher is applied to the other input of the OR gate for delaying cutoff of the transmission gate by the VNX signal until occurrence of horizontal line 10, thus precluding blanking of post equalizing pulses.</description><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>PICTORIAL COMMUNICATION, e.g. TELEVISION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1987</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJALSy0qyUxOzFHIzCtJLSoDMlISSxIVknIS87JTi3gYWNMSc4pTeaE0N4O8m2uIs4duakF-fGpxQWJyal5qSXxosImZpaGxqYmjMWEVAHTOI-c</recordid><startdate>19870901</startdate><enddate>19870901</enddate><creator>PALMINTERI; CRAIG R</creator><scope>EVB</scope></search><sort><creationdate>19870901</creationdate><title>Vertical interval data blanker</title><author>PALMINTERI; CRAIG R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US4691354A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1987</creationdate><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>PICTORIAL COMMUNICATION, e.g. TELEVISION</topic><toplevel>online_resources</toplevel><creatorcontrib>PALMINTERI; CRAIG R</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PALMINTERI; CRAIG R</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Vertical interval data blanker</title><date>1987-09-01</date><risdate>1987</risdate><abstract>A stretched vertical interval pulse is developed by a transistorized integrating circuit supplied with a composite sync signal applied to a data recovery and unscrambler circuit in a television decoder. The decoder includes a pair of transmission gates that are controlled respectively by VNX and VIX signals developed in the unscrambler circuit. The VNX signal is supplied through an OR gate to the normal transmission gate and the output of the vertical interval pulse stretcher is applied to the other input of the OR gate for delaying cutoff of the transmission gate by the VNX signal until occurrence of horizontal line 10, thus precluding blanking of post equalizing pulses.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record>
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
title Vertical interval data blanker
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