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:
Oct. 04, 2022
Filed:
Mar. 31, 2020
Sony Semiconductor Solutions Corporation, Kanagawa, JP;
Ariel Ben Shem, Hasharon, IL;
Sony Semiconductor Solutions Corporation, Kanagawa, JP;
Abstract
A time-of-flight device comprises a pixel array including an array of pixel circuits respectively including a photodiode, a first tap, and a second tap; a first signal line coupled to the first tap; a second signal line coupled to the second tap; and processing circuitry coupled to the first signal line and the second signal line, the processing circuitry including: a first comparator configured to receive a first phase signal, to receive a reference signal having an exponential waveform, and to output a first comparison signal, a second comparator configured to receive a second phase signal, to receive the reference signal, and to output a second comparison signal, and a counter configured to perform a count based on the first comparison signal and the second comparison signal.