Programmable combination electronic lock
First Claim
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1. A method for combinating electronic locks by sequential users comprising the steps of:
- providing a key with a first and second combination;
providing a lock with a first and second stored combination;
reading said first and second combinations on said key and comparing said first key combination with said first lock combination and said second key combination with said second lock combination; and
opening said lock in a first mode of operation by a former repeat user in response to said first key combination equaling said first lock combination and said second key combination equaling said second lock combination; and
in a second mode of operation by a new user, comparing said first key combination with said second lock combination and recombinating said first and second lock combination respectively to said first and second key combination if said first key combination equals said second lock combination and opening the lock.
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Abstract
An operating scheme for electronic locks wherein both the key and the lock have a first and second combination. The lock will open when the first key combination equals the first lock combination and the second key combination equals the second lock combination. The lock recombinates to the first key combination and the second key combination when the first key combination equals the second lock combination.
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Citations
8 Claims
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1. A method for combinating electronic locks by sequential users comprising the steps of:
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providing a key with a first and second combination; providing a lock with a first and second stored combination; reading said first and second combinations on said key and comparing said first key combination with said first lock combination and said second key combination with said second lock combination; and opening said lock in a first mode of operation by a former repeat user in response to said first key combination equaling said first lock combination and said second key combination equaling said second lock combination; and in a second mode of operation by a new user, comparing said first key combination with said second lock combination and recombinating said first and second lock combination respectively to said first and second key combination if said first key combination equals said second lock combination and opening the lock.
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2. An electronic lock which recombinates with each subsequent new user comprising:
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a key having a first and second combination; a lock having a first and second stored combination; means for reading said first and second key combinations and comparing them respectively to said first and second stored lock combinations; means for opening said lock in response to said comparison, said first key combination being equal to said first lock combination and said second key combination being equal to said second lock combination; means for comparing said first key combination with said second lock combination; and means for recombinating said first and said second stored lock combinations to said first and second key combinations respectively in response to said first key combination being equal to said second lock combination and opening said lock. - View Dependent Claims (3, 4, 5, 6, 7, 8)
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Specification