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:
May. 26, 2020
Filed:
May. 29, 2018
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Tsutomu Kobayashi, Osaka, JP;
Yuusuke Shimizu, Kyoto, JP;
Abstract
An imaging device includes: pixels arranged in m rows by n columns; a comparator that generates a first output signal indicating a result of comparison between a first pixel signal outputted from each pixel located in an acolumn among the pixels and a reference signal; a first counter that generates a first digital signal by counting a period from start of a first counting period to inversion of the first output signal; and a first control circuit that controls, in accordance with a magnitude correlation between the first digital signal obtained from a first pixel located at the acolumn and a brow and a threshold, an operation current of the comparator in the first counting period of a second pixel located at the acolumn and a crow different from the brow.