Communications: electrical – Condition responsive indicating system – With particular coupling link
Reexamination Certificate
2007-10-22
2010-11-09
Zimmerman, Brian A (Department: 2612)
Communications: electrical
Condition responsive indicating system
With particular coupling link
C340S539110, C340S539100, C340S531000, C340S500000, C455S456100, C342S450000
Reexamination Certificate
active
07830250
ABSTRACT:
Beacon generators transmit wireless beacon signals for use in tracking an object. Among other things, a wireless beacon signal from a particular beacon generator contains information identifying a power supply voltage associated with that beacon generator. A tracking device associated with the object receives one or more of the beacon signals. The tracking device measures the signal strength of a received beacon signal, and the tracking device identifies the power supply voltage associated with the beacon generator that transmitted the received beacon signal. The tracking device or an external component, such as a control unit, can use the identified signal strength and the identified power supply voltage to determine the location of the object. As a particular example, signal strengths and power supply voltages associated with at least three beacon signals can be used to identify the location of the object.
REFERENCES:
patent: 5412388 (1995-05-01), Attwood
patent: 6792383 (2004-09-01), Brouillard et al.
patent: 7205938 (2007-04-01), Davi et al.
patent: 2003/0153331 (2003-08-01), Alger
patent: 2004/0147269 (2004-07-01), Kim
patent: 2005/0032526 (2005-02-01), Chen et al.
patent: 2006/0055552 (2006-03-01), Chung et al.
patent: 2007/0132577 (2007-06-01), Kolavennu
patent: WO 98/10307 (1998-03-01), None
Amer Catovic et al., “Hybrid TOA/RSS and TDOA/RSS Location Estimating Schemes for Short-Range Wireless Networks”, Bechtel Telecommunication Technical Journal, Sep. 2004, vol. 2, No. 2, 8 pages.
Kaveh Pahlavan et al., “Indoor Geolocation Science and Technology”, IEEE Communications Magazine, Feb. 2002, pp. 112-118.
K. W. Cheung et al., “Least Squares Algorithms for Time-of-Arrival-Based Mobile Location”, IEEE Transactions on Signal Processing, vol. 52, No. 4, Apr. 2004, pp. 1121-1128.
Jose A. Costa et al., “Achieving High-Accuracy Distributed Localization in Sensor Networks”, 2005 IEEE, pp. 641-644.
Muzaffer Kanaan et al., “A comparison of wireless geolocation algorithms in the indoor environment”, IEEE Communications Society, 2004, pp. 177-182.
Huseth Steve D.
Pham Hai D.
Honeywell International , Inc.
Lau Kevin
Munck Carter, LLP
Zimmerman Brian A
LandOfFree
Apparatus and method for location estimation using power... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus and method for location estimation using power..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for location estimation using power... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4219857