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. 06, 2026
Filed:
Oct. 25, 2021
Shimadzu Corporation, Kyoto, JP;
Aleksandr Rusinov, Altrincham, GB;
SHIMADZU CORPORATION, Kyoto, JP;
Abstract
A method of processing data determined from an image-charge/current signal representative of ions of a given charge state (Q) undergoing oscillatory motion of a respective oscillation frequency (ω) within an ion analyser apparatus. The method comprises acquiring a data set comprising a first measured signal frequency (ω) associated with a first part of a measured image-charge/current signal of an ion and a second measured signal frequency (ω) associated with a subsequent second part of the measured image-charge/current signal of the ion. The method includes estimating a charge state (Q) of the ion undergoing oscillatory motion of said first measured signal frequency (ω) and subsequently of said second measured signal frequency (ω) and therewith estimating the value of a mass change Δm to substantially match a reference mass corresponding to a mass of one or more neutral loss. The method includes estimating the mass (M) of a deprotonated molecule forming a part of the ion according to the estimated charge state (Q) of the ion, the first measured signal frequency (ω), the quantified mass change value Δm, and the mass-to-charge ratio (m/e) of a protonating proton.