Acceleration sensor

Details Acceleration sensor Acceleration sensor

1996-08-26

1998-05-26

Chapman, John E.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

7351437, G01P 1508

Patent

active

057568979

ABSTRACT:
An acceleration sensor includes a vibrator provided as a detecting element in a cantilever structure for detecting acceleration. A U-shaped pendulum, for example, is disposed so as to surround the vibrator. The pendulum is supported on the supporting side (upper end side) of the vibrator such as to be rotatable on pivot shafts and in a direction of detection of acceleration by the vibrator. A weight is attached to a central portion of the pendulum on the external side. An extreme end of the vibrator (the lower end of the vibrating plate) is attached to the central portion of the pendulum on the internal side through an elastic member. It is preferable that a tensile stress is caused in the vibrator in the lengthwise direction of the vibrator by the pendulum acting through the elastic member.

REFERENCES:
patent: 4766768 (1988-08-01), Norling et al.
patent: 4881408 (1989-11-01), Hulsing et al.
patent: 5170665 (1992-12-01), Janlaud et al.

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