Burglarproof alarm for vehicle

Abstract

PURPOSE: To provide an burglarproof-alarm for a vehicle that is capable of issuing a burglar alarm surely if a battery is connected, by eliminating such a defect that a burglar alarm mode has been released when the specified time elapses in the case where the battery is craftily taken off even if a burglar alarm is correctly operated after a vehicle is stolen. CONSTITUTION: A burglarproof alarm is provided with a supply voltage detecting part 12, detecting a fact that a battery 18 is cut off and connected the other way, and a storage part 1A capable of erasing and writing electrically and having nonvolatility, and when the supply voltage detecting part 12 has detected a cutoff of the battery 18, a release code is written in the nonvolatile storage part 1A at a time when a burglar monitor mode is in the release mode, and when it is in the monitor mode, it writes an alarm indicating code as a main feature. COPYRIGHT: (C)1992,JPO&Japio

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Patent Citations (1)

    Publication numberPublication dateAssigneeTitle
    JP-S62255261-ANovember 07, 1987Nippon Denso Co Ltd, Toyota Motor CorpBurglar alarm device for vehicle

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Cited By (7)

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    JP-2007235774-ASeptember 13, 2007Sanyo Electric Co Ltd, 三洋電機株式会社Mobile information terminal
    JP-2007235775-ASeptember 13, 2007Sanyo Electric Co Ltd, 三洋電機株式会社Mobile information terminal
    JP-2008001132-AJanuary 10, 2008Tokai Rika Co Ltd, Toyota Motor Corp, トヨタ自動車株式会社, 株式会社東海理化電機製作所Vehicular security control device
    JP-2012023772-AFebruary 02, 2012Kyocera Corp, 京セラ株式会社携帯情報端末
    US-5640057-AJune 17, 1997Nippondenso Co., Ltd.Vehicular anti-theft system including a security control unit and an engine control unit that uses a reset and memory
    US-5883444-AMarch 16, 1999Nippondenso Co., Ltd.Vehicular anti-theft system including a security control unit and engine control unit that uses a reset and memory
    US-8718235-B2May 06, 2014Kyocera CorporationMobile information terminal