Vibration sensing device

Measuring and testing – Vibration – Sensing apparatus

Reexamination Certificate

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Details

C073S591000

Reexamination Certificate

active

07146858

ABSTRACT:
This invention relates to the design of sensors for detecting vibrations in collapsed structures. The sensor comprises a cube-shaped housing and a transducer attached internally between two opposite corners of the housing. The response of the sensor is fairly independent of which side of the housing is coupled to the collapsed structure and the sensor can also detect vibrations which occur in any signal axis of the structure.

REFERENCES:
patent: 4458536 (1984-07-01), Ahn et al.
patent: 4891611 (1990-01-01), Frerking
patent: 4991439 (1991-02-01), Betts
patent: 5224380 (1993-07-01), Paik
patent: 6634472 (2003-10-01), Davis et al.
patent: 6661346 (2003-12-01), Wood et al.

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