Multi-station RF thermometer and alarm system

  • US 6,046,674 A
  • Filed: 11/12/1997
  • Issued: 04/04/2000
  • Est. Priority Date: 11/12/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. A single-frequency multi-station RF telemetry and alarm system providing monitoring of weather data at different locations of a region to be monitored that is suitable for home, office and light industrial use, comprising:

  • a plurality of portable, battery-powered and hand-holdable RF weather stations each providing measurement of weather data in any desired location where the same may be placed and telemetry of said measured weather data over a single predetermined frequency RF communication channel at times, determined in a preselected manner by each said portable, battery-powered and hand-holdable RF weather station, selected to allow joint transmission and substantially contention-free receipt at a multi-station base station of weather data telemetry from all of said plurality of portable, battery-powered and hand-holdable RF weather stations via said communication channel; and

    a hand-holdable multi-station base station that receives and displays the measured and transmitted weather data received from each of said portable, battery-powered and hand-holdable weather stations over said RF communication channel allowing a user at the multi-station base station to learn the weather conditions prevailing at each of said different locations of said region to be monitored where respective ones of said portable, battery-powered and hand-holdable RF weather stations may be placed.

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