Semiconductor sensor and transmitter for use in tire...

Measuring and testing – Tire – tread or roadway

Reexamination Certificate

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Details

C073S715000, C073S753000

Reexamination Certificate

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06983650

ABSTRACT:
A compact and light semiconductor sensor for detecting pressure and acceleration. A pressure sensor is formed on a first surface of an intermediate plate. An acceleration sensor is formed on a second surface of the intermediate plate. A first plate having a diaphragm is bonded to the intermediate plate to define a hermetic chamber of the pressure sensor. A second plate is bonded to the second surface of the intermediate plate. A spring support supports the mass in a manner relatively movable with respect to the second plate.

REFERENCES:
patent: 3304534 (1967-02-01), Sykes
patent: 4625560 (1986-12-01), Sanders
patent: 5095349 (1992-03-01), Fujii et al.
patent: 5320705 (1994-06-01), Fujii et al.
patent: 5531092 (1996-07-01), Okada
patent: 6633229 (2003-10-01), Normann et al.
patent: 0 333 091 (1989-09-01), None
patent: 8-160072 (1996-06-01), None
patent: 9-18017 (1997-01-01), None
patent: 10132572 (1998-05-01), None

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