Gas pressure sensor

Details Gas pressure sensor Gas pressure sensor

2007-01-30

2007-01-30

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Fluid pressure gauge

Electrical

C073S028030

Reexamination Certificate

active

11075663

ABSTRACT:
A gas pressure sensor100is disclosed as including a housing10to which a pressure is adapted to be introduced, a stem20communicating with the housing to admit the pressure thereto and having a diaphragm22deformable in response to the pressure, a sensor24associated with the diaphragm to produce an electric signal depending on a deformation of the diaphragm, and a substrate30that responds to the electric signal to generate an output signal that is outputted through a terminal50. A chip capacitor33is connected between the terminal50and the substrate30and includes a first electrode36, which admits a noise passing through the terminal50to be inputted to the substrate30, and a second electrode37electrically connected to the housing10, thereby enhancing improved resistance to noise.

REFERENCES:
patent: 5386730 (1995-02-01), Ikeda et al.
patent: 6050146 (2000-04-01), Nakamura et al.
patent: 6601453 (2003-08-01), Miyazaki et al.

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