Title: Electronic lock with dual cards
Application Number: 200610035899 Application Date: 2006.06.13
Publication Number: 1861967 Publication Date: 2006.11.15
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: E05B49/00,G07C9/00
Applicant(s) Name: Bida Security System Co., Ltd., Guangdong Address: 528300
Inventor(s) Name:
Attorney & Agent: tang qiangxi
Abstract:
     The present invention relates to a double-card electronic lock. It includes card-reading magnetic head placed on the lock body, power supply circuit and driving mechanism. On the lock body a card-reading groove is set, in the card-reading groove a pressure contact switch is set, side surface of said card-reading groove is equipped with a card-reading coil for identifying induction card, said card-reading magnetic head and card-reading coil are respectively connected with main control board. On the main control board a selection circuit controlled by time is set, and said selection circuit is respectively electrically connected with control circuit of card-reading magnetic head and control circuit of card-reading coil. Said invention also provides its working principle and concrete operation method.
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