Patent ID: 7098791
Filing Date: 2006-08-29
Classification: B60R,E05B,G07C,Y10T

Abstract:
1. A security system for use with a locked subject having a lock that can be electronically activated, the security system comprising: a mechanical key for mechanically opening and closing the lock of the locked subject; a portable device having: an activation controlling means for performing wireless communication between the locked subject and the portable device, wherein the locked subject outputs a request signal during the wireless communication, the portable device outputs an ID code signal in response to the request signal, and the activation controlling means controls the activation of the lock in accordance with the ID code signal; and a notifying means for notifying a person possessing the portable device that the mechanical key is not retained in the portable device wherein the notifying means includes: a key detector arranged in the portable device to detect whether the mechanical key is retained in the key retainer; a portable device warning device arranged in the portable device to provide a warning; and a portable device controller arranged in the portable device to control the portable device warning device to provide the warning when the key detector detects that the mechanical key is not retained in the key retainer, wherein the portable device controller includes: a manual activation controlling means for sending the ID code signal to the locked subject when the operation portion is operated to manually control the locked subject in accordance with the ID code signal from the portable device controller; and a disabling means for disabling the opening and closing of the lock of the locked subject with the activation controlling means or the manual activation controlling means when the mechanical key is not retained in the key retainer.