Detecting out of range in response to a loss of signal and a history of approaching out of range prior to the loss of signal

作者: Walter L. Davis

DOI:

关键词: DetectorSignal strengthOpticsPhysicsRange (statistics)Electronic engineeringSignal

摘要: An out of range detector determines whether a communications device is its signal if the not detected and history received strength values consistent with approaching measured prior to nondetection signal.

参考文章(12)
Fred S. Fairbank, Reginald F. Knowlton, Wayne E. Hixson, Gerald G. Blevins, Communication system for use in hazardous confined areas ,(1979)
Bernadine O. Narcisse, Out-of-range personnel monitor and alarm ,(1984)
Brian Alfred Bidwell, Colin Jeffrey, Ian Alistair Ward Vance, Michael John Allan Woodley, David Frederic Andrew Leevers, Synchronization of digital radio pager ,(1982)
Walter L. Davis, Kuppuswamy Raghunathan, Universal paging device with power conservation ,(1984)
Michael J. DeLuca, William G. Siegel, Radio paging device with improved test modes ,(1984)