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US Patent 6992565 - Electronic communications system
US Patent Issued on January 31, 2006
Estimated Patent Expiration Date:
September 9, 2019Estimated 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.
Estimated Patent Expiration Date:
September 9, 2019Estimated 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.AbstractAn 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
| 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 meansField of Search340/5.72, Vehicle door340/825.71, Frequency responsive actuation345/156, DISPLAY PERIPHERAL INTERFACE INPUT DEVICE455/41.1Near field (i.e., inductive or capacitive coupling)ExaminersPrimary: Horabik, MichaelAssistant: Shimizu, M Attorney, Agent or FirmUS Patent References4591854, Touch control identification system with portable encoderIssued on: 05/27/1986 Inventor: Robinson5790043, Procedure for operating a locking system for lockable objects Issued on: 08/04/1998 Inventor: Hettich, et al.5914701, Non-contact system for sensing and signalling by externally induced intra-body currents Issued on: 06/22/1999 Inventor: Gersheneld, et al.5973611Hands-free remote entry system Issued on: 10/26/1999 Inventor: Kulha, et al. Foreign Patent References
International ClassG05B 23/00 |
