The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 08, 2008
Filed:
Aug. 10, 2004
John O'dowd, Crecora, IE;
Damien Joseph Mccartney, Raheen, IE;
William Hunt, Castetroy, IE;
Eamon Hynes, Raheen, IE;
John M. Wynne, Lisnalty, IE;
Patrick Crowley, Mungret, IE;
John R. Martin, Foxborough, MA (US);
John O'Dowd, Crecora, IE;
Damien Joseph McCartney, Raheen, IE;
William Hunt, Castetroy, IE;
Eamon Hynes, Raheen, IE;
John M. Wynne, Lisnalty, IE;
Patrick Crowley, Mungret, IE;
John R. Martin, Foxborough, MA (US);
Analog Devices, Inc., Norwood, MA (US);
Abstract
A capacitive sensor including a housing having a hermetically sealed cavity, a plate in the cavity, a diaphragm forming a part of the cavity and spaced from the plate, a conductive layer on the first diaphragm, and a second conductive layer on the plate, the first and second conductive layers being the electrodes of a capacitor whose capacitance varies with the position of the diaphragm relative to the plate.