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Filing date
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Application filed by Hsu Lin WufiledCriticalHsu Lin Wu
Priority to MYPI93001836ApriorityCriticalpatent/MY108961A/en
Publication of MY108961ApublicationCriticalpatent/MY108961A/en
Time Recorders, Dirve Recorders, Access Control
(AREA)
Lock And Its Accessories
(AREA)
Abstract
AN IDENTIFICATION CARD SYSTEM FOR REMOTELY OPENING A LOCK INTERCONNECTED THEREWITH INCLUDES A MAIN MACHINE AND A CARD SEPARATED FROM EACH OTHER. THE MAIN MACHINE IS ELECTRICALLY AND MECHANICALLY INTERCONNECTED WITH THE LOCK. THE MAIN MACHINE EMITS A FIRST SIGNAL WHEN A PERSON IS APPROACHING IN A PREDETERMINED DISTANCE THEREFROM. IF THE PERSON HOLDS THE CARD THEN THE CARD WILL RESPOND TO THE FIRST SIGNAL AND EMIT A SECOND SIGNAL THEREFROM. THE MAIN MACHINE RECEIVES THE SECOND SIGNAL AND RESPONDS TO OPEN THE LOCK. (FIG.1)
MYPI93001836A1993-09-091993-09-09Identification card system
MY108961A
(en)