System and method for detecting use of a wireless device while driving
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United States of America Patent
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-
Apr 1, 2014
Grant Date -
Feb 11, 2010
app pub date -
Aug 6, 2008
filing date -
Aug 6, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system for detecting the use of wireless devices such as a mobile phone, personal digital assistant (PDA), or pagers in a moving vehicle receives wireless signals inside a vehicle using a radio frequency (RF) sensor(s) and converts the RF signals into voltage signals. The voltage signals are then compared with known waveforms to determine if the wireless signals indicate a received call, if the received call is answered, a transmitted call, an SMS text message, data associated with internet browsing on a wireless device, or Bluetooth activity.
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