Wireless communications using near field coupling
Patent 5437057 Issued on July 25, 1995. Estimated Expiration Date: 
December 3, 2012. 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.
December 3, 2012. 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 ReferencesCordless communications system Handoff method and apparatus for mobile wireless workstation Patent #: 5181200 InventorsAssigneeApplicationNo. 984821 filed on 12/03/1992US Classes:455/41.1, Near field (i.e., inductive or capacitive coupling)343/867, Plural; plural or tapped coils455/524Multiple base stationsExaminersPrimary: Urban, Edward F.Assistant: Sobutka, Philip J. Foreign Patent References
International ClassH04B 005/00AbstractNear field coupling is employed for transferring data back and forth between base stations and portable stations in cellular communication systems, such as cellular local area networks.Other References
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