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US 9,820,399 B1Granted
Key fob with internal pressure management diaphragm
AssigneeContinental Automotive Systems, Inc.
InventorWojciech A Makiej
Life of this patent
Estimating the term…
Abstract
A key fob with a pressure-managing diaphragm for an air-tight volume inside the fob comprises a housing that is made up of two portions or sections. At least one portion of the housing has an opening into the air-tight volume. The opening is covered by a flexible diaphragm, which flexes inwardly and outwardly responsive to pressure changes. The diaphragm is protected from damage by a shield extending over it.
Claims18
A key fob comprising:
- a housing comprising first and second portions, the first and second portions being sized, shaped and arranged such that when they are attached to each other, they define and enclose a volume, which is substantially air-tight;
- a communications device, inside the substantially air-tight volume;
- an opening formed into the substantially air-tight volume and extending through one of the first and second portions;
- a flexible diaphragm covering the opening and configured to deflect outwardly and inwardly, relative to pressure changes in the substantially air-tight volume relative to ambient pressure.
1 more element
A method of managing pressure in a key fob, the method comprising:
- enclosing a wireless transmitter in a case, capable of being hermetically sealed and which is configured to have a pressure regulation opening;
- and
- attaching a pliable diaphragm over the pressure regulation opening.
A housing comprising:
- first and second portions, sized, shaped and arranged such that when they are attached to each other, they define and enclose a volume, which is substantially air-tight;
- an electronic device, inside the substantially air-tight volume;
- an opening formed into the substantially air-tight volume and extending through one of the first and second portions;
- a flexible diaphragm covering the opening and configured to deflect outwardly and inwardly, relative to pressure changes in the substantially air-tight volume relative to ambient pressure.
1 more element
Dependencies are inferred from the claim text.