System for the contactless exchange of data, and responder for use in such a system
Patent 5426667 Issued on June 20, 1995. Estimated Expiration Date: 
June 17, 2013. 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.
June 17, 2013. 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 3689885 3898565 Electronic data collection system Memory package system utilizing inductive coupling between memory module and read/write unit Memory package system Contactless linking device for interconnecting data bus sections Patent #: 5293400 InventorAssigneeApplicationNo. 077521 filed on 06/17/1993US Classes:375/219, TRANSCEIVERS455/41.1Near field (i.e., inductive or capacitive coupling)ExaminersPrimary: Coles, Sr., Edward L.Assistant: Williams, Kimberly Attorney, Agent or FirmForeign Patent References
International ClassH04B 001/00Foreign Application Priority Data1992-06-18 NLAbstractDisclosed is a system for the contactless exchange of data between one or more transmitter/receiver devices and a plurality of responders. According to the invention, at least one of the responders is designed to exchange data via a microwave connection with a transmitter/receiver device operating in the microwave range, and to exchange data via an inductive coupling with an inductively operating transmitter/receiver device. | |
