ALARM FOR KEY CARELESSLY LEFT IN KEY HOLE

PURPOSE:To announce an alarm certainly for an engine key carelessly left in its key hole by means of a simple structure utilizing existent circuits, by forming a series circuit with a door switch, a key switch key a switch and an alarm so as to supply power in form of electric current for driving a...

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creator KATAOKA YUKIRO
description PURPOSE:To announce an alarm certainly for an engine key carelessly left in its key hole by means of a simple structure utilizing existent circuits, by forming a series circuit with a door switch, a key switch key a switch and an alarm so as to supply power in form of electric current for driving a door lock actuator. CONSTITUTION:When a door is opened with an ignition switch 3 in off position and a lock switch 13 is put in ON position by means of lock operation, a controller 15 puts a relay R1 in ON position by means of timer TM for a certain time via a transistor T1 and supplies power to an actuator 16 so as to effect concentration lock. Then, if a key is carelessly left in the key hole with a key switch 7 in ON position, electric current flowing out form a relya R1 flows through the key switch 7, an alarm buzzer 6, a door switch 5 and an electric appliance load and operates the alarm buzzer 6 for a period of time of a timer. Thus, a simple structure, using existent circuits can announce an alarm certainly for an engine key carelessly left in its hole.
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CONSTITUTION:When a door is opened with an ignition switch 3 in off position and a lock switch 13 is put in ON position by means of lock operation, a controller 15 puts a relay R1 in ON position by means of timer TM for a certain time via a transistor T1 and supplies power to an actuator 16 so as to effect concentration lock. Then, if a key is carelessly left in the key hole with a key switch 7 in ON position, electric current flowing out form a relya R1 flows through the key switch 7, an alarm buzzer 6, a door switch 5 and an electric appliance load and operates the alarm buzzer 6 for a period of time of a timer. Thus, a simple structure, using existent circuits can announce an alarm certainly for an engine key carelessly left in its hole.</description><language>eng</language><subject>PERFORMING OPERATIONS ; TRANSPORTING ; VEHICLES IN GENERAL ; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR</subject><creationdate>1988</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=19880702&amp;DB=EPODOC&amp;CC=JP&amp;NR=S63159159A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19880702&amp;DB=EPODOC&amp;CC=JP&amp;NR=S63159159A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KATAOKA YUKIRO</creatorcontrib><title>ALARM FOR KEY CARELESSLY LEFT IN KEY HOLE</title><description>PURPOSE:To announce an alarm certainly for an engine key carelessly left in its key hole by means of a simple structure utilizing existent circuits, by forming a series circuit with a door switch, a key switch key a switch and an alarm so as to supply power in form of electric current for driving a door lock actuator. CONSTITUTION:When a door is opened with an ignition switch 3 in off position and a lock switch 13 is put in ON position by means of lock operation, a controller 15 puts a relay R1 in ON position by means of timer TM for a certain time via a transistor T1 and supplies power to an actuator 16 so as to effect concentration lock. Then, if a key is carelessly left in the key hole with a key switch 7 in ON position, electric current flowing out form a relya R1 flows through the key switch 7, an alarm buzzer 6, a door switch 5 and an electric appliance load and operates the alarm buzzer 6 for a period of time of a timer. 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CONSTITUTION:When a door is opened with an ignition switch 3 in off position and a lock switch 13 is put in ON position by means of lock operation, a controller 15 puts a relay R1 in ON position by means of timer TM for a certain time via a transistor T1 and supplies power to an actuator 16 so as to effect concentration lock. Then, if a key is carelessly left in the key hole with a key switch 7 in ON position, electric current flowing out form a relya R1 flows through the key switch 7, an alarm buzzer 6, a door switch 5 and an electric appliance load and operates the alarm buzzer 6 for a period of time of a timer. Thus, a simple structure, using existent circuits can announce an alarm certainly for an engine key carelessly left in its hole.</abstract><oa>free_for_read</oa></addata></record>
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subjects PERFORMING OPERATIONS
TRANSPORTING
VEHICLES IN GENERAL
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
title ALARM FOR KEY CARELESSLY LEFT IN KEY HOLE
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