AIR BAG IGNITION CIRCUIT OF VEHICLE USING SERIAL PARALLEL INTERFACE

AIR BAG IGNITION CIRCUIT OF VEHICLE USING SERIAL PARALLEL INTERFACE

PURPOSE: An air bag ignition circuit of a vehicle using serial parallel interface is provided to easily design the ignition circuit, and to easily perform extension by reducing the number of control pins. CONSTITUTION: An air bag ignition circuit of a vehicle using serial parallel interface includes...

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1. Verfasser: KWON, YEONG CHEOL
Format: Patent
Sprache:eng
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PERFORMING OPERATIONS
TRANSPORTING
VEHICLES IN GENERAL
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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creator KWON, YEONG CHEOL
description PURPOSE: An air bag ignition circuit of a vehicle using serial parallel interface is provided to easily design the ignition circuit, and to easily perform extension by reducing the number of control pins. CONSTITUTION: An air bag ignition circuit of a vehicle using serial parallel interface includes a squib ignition part(10) unfolding an air bag by making ignition current flow through a squib when a high side switch and a low side switch are simultaneously turn on, a leakage sensing part(20) diagnosing short to battery voltage and grounding occasionally generated in a squib part and transmitting the corresponding code to a fault register within a SPI(Serial Parallel Interface) block when a fault is generated, a squib resistance measuring part(30) performing function of self diagnosing whether a squib resistance value is normal by measuring the squib resistance value, and a SPI part(40) converting a serial command from a micro computer into a parallel logic to perform the function of each end and transmitting information as a serial code to the micro computer.
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CONSTITUTION: An air bag ignition circuit of a vehicle using serial parallel interface includes a squib ignition part(10) unfolding an air bag by making ignition current flow through a squib when a high side switch and a low side switch are simultaneously turn on, a leakage sensing part(20) diagnosing short to battery voltage and grounding occasionally generated in a squib part and transmitting the corresponding code to a fault register within a SPI(Serial Parallel Interface) block when a fault is generated, a squib resistance measuring part(30) performing function of self diagnosing whether a squib resistance value is normal by measuring the squib resistance value, and a SPI part(40) converting a serial command from a micro computer into a parallel logic to perform the function of each end and transmitting information as a serial code to the micro computer.</description><edition>7</edition><language>eng</language><subject>PERFORMING OPERATIONS ; TRANSPORTING ; VEHICLES IN GENERAL ; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR</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=20001205&amp;DB=EPODOC&amp;CC=KR&amp;NR=20000074073A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20001205&amp;DB=EPODOC&amp;CC=KR&amp;NR=20000074073A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KWON, YEONG CHEOL</creatorcontrib><title>AIR BAG IGNITION CIRCUIT OF VEHICLE USING SERIAL PARALLEL INTERFACE</title><description>PURPOSE: An air bag ignition circuit of a vehicle using serial parallel interface is provided to easily design the ignition circuit, and to easily perform extension by reducing the number of control pins. 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subjects PERFORMING OPERATIONS
TRANSPORTING
VEHICLES IN GENERAL
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
title AIR BAG IGNITION CIRCUIT OF VEHICLE USING SERIAL PARALLEL INTERFACE
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