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:
Apr. 26, 2022
Filed:
Dec. 03, 2020
Applicant:
Jeol Ltd., Tokyo, JP;
Inventors:
Masatoshi Fujii, Tokyo, JP;
Junkei Kou, Tokyo, JP;
Assignee:
JEOL Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/00 (2006.01); H01J 49/42 (2006.01); H01J 49/02 (2006.01);
U.S. Cl.
CPC ...
H01J 49/427 (2013.01); H01J 49/005 (2013.01); H01J 49/0031 (2013.01); H01J 49/0036 (2013.01); H01J 49/025 (2013.01);
Abstract
A sampling period of an A/D converter is set in accordance with an ion pulse ejection operation of a collision cell of an accumulation type. Start timing of the sampling period is changed in accordance with a selected m/z of a second mass analysis unit. In addition, end timing of the sampling period may be changed in accordance with the selected m/z of the second mass analysis unit. In place of the sampling period, a data cut-out period may be changed.