Rain sensor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 11, 2002
Grant Date -
N/A
app pub date -
Feb 17, 2000
filing date -
Feb 23, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rain sensor is described comprising a tray for the collection of rain water provided on top with evaporation and overflow side windows covered by a perforated cover. A finned float is housed in said tray so as to be able to move vertically as a function of the level of the water present in the tray. A permanent magnet supported by said float cooperates with an electric magneto-sensitive switch that is fixed to the tray in order to switch it between a first and a second electric state as a function of the vertical position of the float.
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