Patent ID: 8749345
Filing Date: 2014-06-10
Classification: B60R

Abstract:
1. An authorization system for permitting functional control of an apparatus only in the presence of an authorized user, said system being provided distinct from normal key means authorizing the possessor of the key means to initiate the operation of said apparatus, the system comprising complementary parts of wireless communication means, which parts are arranged to be carried by the apparatus and by the authorized user, and are operable to effect a communication link, within a spatial envelope defining a predetermined permissible working relationship between the complementary parts, said communication link being defined by continual transfer with reference to a temporal envelope of identifying information comprising a rolling digital code based upon at least one random or pseudo-random number generated within the apparatus part and/or the user part and/or encrypted and decrypted in accordance with algorithms stored in said parts, said temporal envelope comprises a time window of predetermined duration in each of a plurality of sequential time intervals for pairing the complementary parts, said communication means effecting operative control of said apparatus in existence of said communication link, and said communication link being interrupted as the complementary parts are departed outside the spatial envelope, said complementary parts carried by the apparatus comprising means for inhibiting normal functioning of said apparatus during or after a delay interval on interruption of said communication link, whereas said delay interval is measured by acceleration responsive means and/or pedometer means which is representative to a predetermined distance travelled between the authorized user and the apparatus.