Physical quantity monitoring and control system and portable information terminal used for the same
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United States of America Patent
Stats
-
Jun 19, 2007
Grant Date -
Dec 2, 2004
app pub date -
May 27, 2004
filing date -
May 28, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
To enable indoor and outdoor physical conditions to be detected for very fine control thereof. Self-contained transmitting sensors 10-1 through 10-8 which monitor physical quantities and convert them into electrical data signals for radio-transmission are disposed in desired positions in housing. The wirelessly transmitted data signals are received by a portable information terminal 20 for controlling the operation of a device 30 to be controlled based upon the received information and its information history. By wearing a self-contained transmitting sensor 10-9 on a user 40 physical quantities such as temperature, humidity and illumination at a place in which the user is located can be controlled to desired values wherever the user moves.
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