System for the transmission of information by microwaves and a communication device to be used in such a system
Patent 5640164 Issued on June 17, 1997. Estimated Expiration Date: 
October 14, 2014. 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.
October 14, 2014. 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 3247510 Method and apparatus for measuring distances Remote access personnel identification and tracking system System of conveying, storing, retrieving and distributing articles of manufacture Method and system for storing/removing and distributing articles of manufacture Location of objects Patent #: 5214410 InventorAssigneeApplicationNo. 290755 filed on 10/14/1994US Classes:340/10.34, Power up340/10.5, Additional control340/10.6, Printout or display340/825.72, Wireless link342/50With TelemetryExaminersPrimary: Lobo, Ian J.Attorney, Agent or FirmForeign Patent References
International ClassesG01S 013/74G08C 017/00 H04B 001/59 Foreign Application Priority Data1992-02-14 SEAbstractA system for communication by means of microwaves between transponders (3) and a central unit (5) is described. It is primarily characterized by a communication unit (4) for directed communication at a relatively short distance with the transponders (3) and at a relatively long distance with the central unit (5). The communication unit (4) also comprises a memory (23) for the intermediate storing of information.Other References
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