Apparatus for testing a device that generates an audible sound i

Details Apparatus for testing a device that generates an audible sound i Apparatus for testing a device that generates an audible sound i

1998-05-26

2000-12-05

Williams, Hezron

Measuring and testing

Vibration

Sensing apparatus

340459, 381 712, G01H 1100

Patent

active

06155118&

ABSTRACT:
An apparatus includes a sound generating device (30), a housing (12), and a sensor (10). The sound generating device (30) is electrically actuatable to generate a sound for alerting a vehicle occupant to a vehicle condition. The housing (12) is configured to contain and support the sound generating device (30) in a vehicle, and has an acoustic outlet opening (15). The sensor (10) includes a shell (16) containing an acoustically sensitive transducer element (130) responsive to sound waves generated by the sound generating device (30). The shell (16) is formed of a sound absorbing material, and has an annular edge portion (130) defining an acoustic inlet opening (132). A fastener structure (118) mounts the sensor (10) on the housing (12) in a position in which the acoustic inlet opening (132) in the sensor (10) is aligned with the acoustic outlet opening (15) in the housing (12).

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