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:
Mar. 01, 2011
Filed:
Sep. 14, 2009
Michael Harshbarger, Lake Villa, IL (US);
John Y. S. Kim, Chicago, IL (US);
Mu-jen Wang, Tucheng, TW;
Wen-ta Chang, Shalu Township, TW;
Michael Harshbarger, Lake Villa, IL (US);
John Y. S. Kim, Chicago, IL (US);
Mu-Jen Wang, Tucheng, TW;
Wen-Ta Chang, Shalu Township, TW;
Eidosmed LLC, Chicago, IL (US);
Abstract
A digital depth gauge apparatus is provided for measuring a depth of a hole in, or surface of, an object using a variable-resistance sensor. The apparatus comprises an elongated reader body that includes a distal end and a proximal end having a longitudinal axis and a user interface including a display and at least one actuator that controls operation of at least one of the display and the apparatus. The apparatus includes a probe that extends from the distal end of the reader body, the probe including a tip for locating a distal surface of the object. The reader body proximal end is configured to abut an other surface of the object. An electrical resistance-based sensor is provided to determine an extension distance of the probe from the body.