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.

Date of Patent:
Mar. 10, 2026

Filed:

Nov. 10, 2022
Applicant:

Hamamatsu Photonics K.k., Hamamatsu, JP;

Inventors:

Takafumi Higuchi, Hamamatsu, JP;

Katsuhiro Nakamoto, Hamamatsu, JP;

Teruo Takahashi, Hamamatsu, JP;

Mao Nakajima, Hamamatsu, JP;

Assignee:

HAMAMATSU PHOTONICS K.K., Hamamatsu, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 25/773 (2023.01); H04N 25/618 (2023.01); G01J 1/44 (2006.01);
U.S. Cl.
CPC ...
H04N 25/773 (2023.01); H04N 25/618 (2023.01); G01J 1/44 (2013.01); G01J 2001/442 (2013.01);
Abstract

A threshold value determination method includes a step of calculating a probability distribution of a provisional value for each photon number of a target pixel based on an observation probability for each photoelectron number based on a probability distribution of the photon number and an observation probability for each photoelectron number based on a probability distribution of the photoelectron number accompanying reading noise of the target pixel and a step of calculating threshold value data for sorting the provisional value into a corresponding photon number based on the probability distribution for each photon number.


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Higuchi, Takafumi. (2026). Threshold value determination method, threshold value determination program, threshold value determination device, photon number identification system, photon number identification method, and photon number identification processing program (U.S. Patent No. 12574662). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12574662

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