Electronic key with interactive graphic user interface
Patent 4914732 Issued on April 3, 1990. Estimated Expiration Date: 
September 8, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 8, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3857018 3878511 3906447 Optical key reader for door locks Systems for storing and transferring data Access control system Electronic combination door lock with dead bolt sensing means Data telecommunications terminal Locking mechanism Battery operated access control card Inventors
AssigneeApplicationNo. 405391 filed on 09/08/1989US Classes:340/3.71, Having manual control input70/63, Receptacle70/271, Electric70/277, Electrical type (e.g., solenoid)340/5.65, Electronic coded record340/5.73, Lockbox361/172Including electronic elementExaminersPrimary: Dwyer, James L.Attorney, Agent or FirmForeign Patent References
International ClassE05B 001/01AbstractAn electronic key for an electronic lock system is provided with graphical user interface which can display a plurality of symbols corresponding to a plurality of functions that the key can cause the lock to execute. An operator of the key moves a visual indicia among these symbols to select a desired function. The key then transmits instructions to the lock causing the selected function to be executed.Other References
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