Sensor maintenance

• US 20020092965A1
• Filed: 01/16/2001
• Published: 07/18/2002
• Est. Priority Date: 01/16/2001
• Status: Active Grant

• Current Assignee: Smart Irrigation Solutions Incorporated (Quarterhill Inc. (f/k/a Wi-LAN Inc.))
• Original Assignee: Aqua Conservation Systems, Inc.
• Inventors: Givargis, Tony, Addink, John
• Granted Patent: US 6,714,134 B2
• Time in Patent Office: Days
• US Class Current: 250/203.4
• CPC Class Codes: G01W 1/10 Devices for predicting weather conditions computers per se G06; display devices G09

Abstract

Patent The present invention provides a warning system comprising: a weather measuring device that measures a current weather condition; and a storage device that stores historical weather data; a microprocessor that is programmed to receive the current weather data from the weather measuring device, compare the current weather data to the historical weather data, generate a warning signal if the current weather data varies from the historical weather data by at least a given amount, and send the warning signal to an individual.

Claims

12-1. The warning system of claim 1, wherein the amount comprises a percentage.