Code discriminating system for determining correspondence of codes in a short time
First Claim
1. A code discriminating system for determining whether a key code provided to a key matches one of a plurality of registered codes provided to said code discriminating system, said code discriminating system comprising:
- communicating means for receiving the key code from said key;
comparing means for comparing the key code with each of said registered codes; and
priority providing means for providing a priority to one of said registered codes so that the key code is first compared with said one of said registered codes.
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Abstract
A code discriminating system checks the correspondence between a key code and each of a plurality of registered codes in a short time. The code discriminating system receives the key code from a transponder provided in a key so that the key code is compared with the registered codes. A priority is provided to one of the registered codes so that the key code is compared with the one of the registered codes first. Thus, the registered code having the priority is compared with the key code first. The registered code to be provided with the priority is selected so that the selected registered code corresponds to the key code provided to the most frequently used key. Thus, a time period spent on the determination process is reduced for the most frequently used key.
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Citations
15 Claims
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1. A code discriminating system for determining whether a key code provided to a key matches one of a plurality of registered codes provided to said code discriminating system, said code discriminating system comprising:
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communicating means for receiving the key code from said key; comparing means for comparing the key code with each of said registered codes; and priority providing means for providing a priority to one of said registered codes so that the key code is first compared with said one of said registered codes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification