Electronic communications system
Patent 6992565 Issued on January 31, 2006. Estimated Expiration Date: 
September 9, 2019. 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 9, 2019. 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 ReferencesTouch control identification system with portable encoder Procedure for operating a locking system for lockable objects Non-contact system for sensing and signalling by externally induced intra-body currents Hands-free remote entry system Patent #: 5973611 InventorAssigneeApplicationNo. 09554378 filed on 09/09/1999US Classes:340/5.72, Vehicle door340/825.71, Frequency responsive actuation345/156, DISPLAY PERIPHERAL INTERFACE INPUT DEVICE455/41.1, Near field (i.e., inductive or capacitive coupling)340/5.62Including manual switching meansExaminersPrimary: Horabik, MichaelAssistant: Shimizu, M Attorney, Agent or FirmForeign Patent References
International ClassG05B 23/00AbstractAn electronic communication system for a vehicle, including a base station which is accommodated in the vehicle and at least one portable data carrier which is arranged to exchange data signals with the base station. A first coupling link is formed at least partly by the body of a user, whose skin is not required to be in physical contact with the data carrier, so that the body of the user contactlessly conducts displacement currents from the data carrier without contacting the data carrier. This permits the user to unlock a car door, or trunk, and/or start the vehicle, without using a key or having to touch a remote control device. The data carrier can be located in a briefcase and/or purse, and the ability to access the vehicle is not comprised even though there is no physical contact between the user and the data carrier.Other References
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