A portable communication device with means for measuring the altitude
DRIVE
July 11, 2001
A portable communication device (1,2,3) has a base member with a radio receiver (5), a measurement member with a pressure sensor (11) for detecting variations in atmosphere pressure, and means (6,9) for converting the signal produced by the pressure sensor to a corresponding altitude value and means for indicating and transmitting the altitude value.
Discussion in the ATmosphere