SECURITY SYSTEM FOR DOOR DEVICEPROBLEM TO BE SOLVED: To provide a highly-practical security system for a door, which stabilizes a security function by inhibiting the occurrence of a mutual malfunction between a door side and a security-device side.TANAKA MINOBU...
Door security systemThe door security system comprises a cylinder (3) provided with a rod (3a) which actuates the opening and closing movement of the door (11), a first opening sensor (1) and a second closing sensor (2), which when said sensors (1, 2) detect a value superior to a...
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A security system for the outdoor control of home network through an authentication process about a client inputting command and a control method thereof are provided to control the operation of an indoor terminal by controlling an outdoor terminal. A home networking part(110) controls the operati...
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Door security system 专利名称：Door security system 发明人：John H. MacCalder 申请号：US07/701887 申请日：19910517 公开号：US05135273A 公开日：19920804 专利内容由知识产权出版社提供 摘要：A door security system has a floor contacting foot pivoted on a prop itself pivoted on a locking system ...
The invention relates to the installation of a double single or double door allowing anti-break-in protection to be provided. The system consists in installing a second metal door 1, larger, single or double, on a metal frame with a rebate 2 taken up on the ground 5 and at a fanlight...
it is possible. Researchers Paul Stone and Alex Chapman found that by replacing the instructions you could then execute an arbitrary code with high privileges on the updated system. Microsoft still checks digital certificates, but it accepts any company’s certificate. For example, you can smuggle...
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