RASTER MOIRE CANCEL CIRCUIT

RASTER MOIRE CANCEL CIRCUIT

PROBLEM TO BE SOLVED: To realize a raster moire cancel circuit whose control circuit is simplified for a television receiver adopting a vertical output circuit not having an S-shaped correction capacitor. SOLUTION: A control current generated from a constant current source 3 is commutated by a curre...

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1. Verfasser: OTSUKI TAKUO
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator OTSUKI TAKUO
description PROBLEM TO BE SOLVED: To realize a raster moire cancel circuit whose control circuit is simplified for a television receiver adopting a vertical output circuit not having an S-shaped correction capacitor. SOLUTION: A control current generated from a constant current source 3 is commutated by a current mirror circuit 1 so as to superimpose the current independently of the voltage at a connecting point among the constant current source 3, a vertical deflection coil 8 and a feedback voltage detection resistor 9 thereby realizing easily a moire cancel function. Furthermore, a voltage comparator circuit 6 and a constant current interruption circuit 4 are provided to allow a control voltage on the same line to control the operation/stop of the cancel circuit thereby simplifying the control circuit.
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SOLUTION: A control current generated from a constant current source 3 is commutated by a current mirror circuit 1 so as to superimpose the current independently of the voltage at a connecting point among the constant current source 3, a vertical deflection coil 8 and a feedback voltage detection resistor 9 thereby realizing easily a moire cancel function. Furthermore, a voltage comparator circuit 6 and a constant current interruption circuit 4 are provided to allow a control voltage on the same line to control the operation/stop of the cancel circuit thereby simplifying the control circuit.</description><edition>6</edition><language>eng</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; PICTORIAL COMMUNICATION, e.g. TELEVISION</subject><creationdate>1998</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=19981113&amp;DB=EPODOC&amp;CC=JP&amp;NR=H10304218A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19981113&amp;DB=EPODOC&amp;CC=JP&amp;NR=H10304218A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OTSUKI TAKUO</creatorcontrib><title>RASTER MOIRE CANCEL CIRCUIT</title><description>PROBLEM TO BE SOLVED: To realize a raster moire cancel circuit whose control circuit is simplified for a television receiver adopting a vertical output circuit not having an S-shaped correction capacitor. 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SOLUTION: A control current generated from a constant current source 3 is commutated by a current mirror circuit 1 so as to superimpose the current independently of the voltage at a connecting point among the constant current source 3, a vertical deflection coil 8 and a feedback voltage detection resistor 9 thereby realizing easily a moire cancel function. Furthermore, a voltage comparator circuit 6 and a constant current interruption circuit 4 are provided to allow a control voltage on the same line to control the operation/stop of the cancel circuit thereby simplifying the control circuit.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
title RASTER MOIRE CANCEL CIRCUIT
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