Device for arranging the measurement of pressure in a...

Details Device for arranging the measurement of pressure in a... Device for arranging the measurement of pressure in a...

2006-11-29

2009-10-13

Allen, Andre J (Department: 2855)

Measuring and testing

Fluid pressure gauge

C368S011000

Reexamination Certificate

active

07600430

ABSTRACT:
A device for the measurement of external pressure in a wristop instrument, such as a sports computer, a diving computer, a wristwatch, or the like, which includes an instrument body,—at least one watertight space disposed inside the instrument body, and at least one circuit board situated and a pressure sensor disposed in the watertight space. A flow path extends through the instrument body to the watertight space and this flow path is closed by a membrane, which is permeable by a gas, but not by water, and which closes the flow path in a watertight manner.

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