Electronic security system with novel electronic T-handle lock
AssigneeMedeco Security Locks, Inc.
InventorsRichard G. Hyatt, Jr., Charles E. Hall, Douglas Trent
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AssigneeMedeco Security Locks, Inc.
InventorsRichard G. Hyatt, Jr., Charles E. Hall, Douglas Trent
Estimating the term…
An electronic security system includes an electronic lock mechanism and an electronic key, each of which is provided with a microprocessor controller and a memory storing data including an ID code and encryption key codes. The lock microprocessor may either change ID codes stored in its memory or encrypt a seed number to be used for determining access to the lock. The key can only be used to access the lock either once or for a limited number of successive times, and must thereafter be reprogrammed by a host computer to be loaded with either the proper ID code or the appropriate encryption key code for that lock. The electronic lock operates a solenoid which retracts a bolt-blocking mechanism that prevents the unlocking of the bolt even when a key having the correct mechanical key cuts is inserted into the lock. Power for operating the electronic lock as well as the solenoid is provided by a power supply within the key. In a preferred embodiment the key unit is composed of a handheld computer with a separate internal circuit board which stores key code information and performs encryption/decryption functions. A novel electronic T-lock assembly is also provided for use with vending machines and the like.
An electronic security system, comprising:
A lock mechanism, comprising:
An electronic security system, comprising:
An electronic security system, comprising:
Dependencies are inferred from the claim text.