Accelerator/brake control using acoustic sensing

Details Accelerator/brake control using acoustic sensing Accelerator/brake control using acoustic sensing

2006-11-13

2010-06-01

Allen, Andre J (Department: 2855)

Measuring and testing

Fluid pressure gauge

Vibration type

C073S649000

Reexamination Certificate

active

07726195

ABSTRACT:
A pressure sensitive acoustic wave sensor and actuator include an acoustic wave cavity foπned in a substrate, a transducer generating an acoustic wave substantially trapped in the acoustic wave cavity and an acoustic wave absorbing member that absorbs more acoustic wave energy in the acoustic wave cavity in response to increased pressure on the member. The speed and/or braking of an electric vehicle is controlled through operator input of a foot pedal, using the pressure sensitive acoustic wave sensor.

REFERENCES:
patent: 5243148 (1993-09-01), Knowles
patent: 5986224 (1999-11-01), Kent
patent: 6933932 (2005-08-01), Knowles
patent: 7106310 (2006-09-01), Knowles
patent: 2005/0247289 (2005-11-01), Visser et al.
ISR for PCT/US06/43955 mailed Feb. 26, 2007.

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