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:
Jun. 27, 2023
Filed:
Sep. 02, 2021
Applicant:
Lexmark International, Inc., Lexington, KY (US);
Inventors:
James Howard Ellis, Jr., Lexington, KY (US);
Keith Bryan Hardin, Lexington, KY (US);
Assignee:
Lexmark International, Inc., Lexington, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 27/26 (2006.01); G01R 33/07 (2006.01);
U.S. Cl.
CPC ...
G01R 27/2605 (2013.01); G01R 33/07 (2013.01);
Abstract
Described is an invention that adds capacitive sensing ability with a single magnetic field sensor location or distributed within an array of surfaces of the sensor. The capacitive sensing can be achieved by modifying a classic Hall effect sensor or putting separate capacitive sensor plates in close proximity to the hall effect sensor.