ELECTRONIC DEVICE HAVING ANTI-THEFT FEATURE AND METHOD OF PREVENTING ELECTRONIC DEVICE FROM BEING STOLEN
First Claim
Patent Images
1. An electronic device comprising:
- a first lock release code store memory including a first lock release code;
a lock release flag store memory including a lock release flag that shows whether or not a lock is released;
a comparison portion comparing the first lock release code with a second lock release code input by an input device;
a control portion releasing, when the comparison by the comparison portion results in agreement, the lock to permit the electronic device to operate normally; and
a determination portion determining whether or not the lock release flag store memory is authentic.
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Abstract
An electronic device is provided with a first lock release code store memory including a first lock release code; a lock release flag store memory including a lock release flag that shows whether or not a lock is released; a comparison portion comparing the first lock release code with a second lock release code input by an input device; a control portion releasing, when the comparison by the comparison portion results in agreement, the lock to permit the electronic device to operate normally; and a determination portion determining whether or not the lock release flag store memory is authentic.
31 Citations
12 Claims
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1. An electronic device comprising:
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a first lock release code store memory including a first lock release code; a lock release flag store memory including a lock release flag that shows whether or not a lock is released; a comparison portion comparing the first lock release code with a second lock release code input by an input device; a control portion releasing, when the comparison by the comparison portion results in agreement, the lock to permit the electronic device to operate normally; and a determination portion determining whether or not the lock release flag store memory is authentic. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of preventing an electronic device from being stolen, the method comprising the steps of:
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storing a lock release code in a lock release code store memory included in the electronic device; producing information corresponding to the lock release code; making the electronic device request input of the information corresponding to the lock release code; comparing the input information with the lock release code stored in the lock release code store memory; making, when the input information is found to agree with the lock release code stored in the lock release code store memory, a lock release flag that is stored in a lock release flag store memory in the electronic device and that shows whether or not a lock is released show that the lock is released, and thus permitting the electronic device to operate normally; and determining whether or not the lock release flag memory is authentic. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification