Communications: electrical – Condition responsive indicating system – With particular coupling link
Reexamination Certificate
2005-05-03
2005-05-03
Crosland, Donnie L. (Department: 2636)
Communications: electrical
Condition responsive indicating system
With particular coupling link
C340S539320, C340S573300, C455S421000, C455S456500, C455S115100, C455S115300, C455S134000
Reexamination Certificate
active
06888456
ABSTRACT:
A method and an apparatus for determining whether an object is moved are provided. The object is disposed in a communication system having many base stations. The apparatus includes a receiver, a controller, and a warning device. During a predetermined period, the apparatus respectively receives and measures signals from each of the base stations to derive a first average value. Meanwhile, a tolerable probability value is inputted. According to the tolerable probability value and the first average value, the apparatus gets a tolerable range. Next, the apparatus continues to receive and measure signals to derive a second average value. Finally, the apparatus determines whether the object is moved in accordance with the second average value and the tolerable range. If moved, the apparatus sends out a warning signal.
REFERENCES:
patent: 4785291 (1988-11-01), Hawthorne
patent: 5049875 (1991-09-01), DeLuca et al.
patent: 5119072 (1992-06-01), Hemingway
Chen Chun-ming
Cheng Steven D.
Benq Corporation
Crosland Donnie L.
Snell & Wilmer L.L.P.
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