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:
Sep. 01, 2020
Filed:
May. 27, 2015
Sharp Kabushiki Kaisha, Sakai, Osaka, JP;
Takahiro Inoue, Sakai, JP;
Nobuhiro Takahashi, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, Osaka, JP;
Abstract
A sensor that is capable of detecting a pulse of a user by using a proximity illumination sensor or a proximity sensor is provided. A proximity sensor () that includes a pulse detection function includes a count adjustment circuit () that performs adjustment such that a digital output value (ADCOUT) from an analog-digital conversion circuit () changes in accordance with each value of a distance at least in a prescribed range of the distance between a photodiode () and a detected object (a finger in the drawing) and a digital filter () for detecting a cycle of the digital output value (ADCOUT) from the analog-digital conversion circuit ().