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:
Nov. 22, 2022
Filed:
Dec. 04, 2020
Applicant:
Hologic, Inc., Marlborough, MA (US);
Inventor:
Guoyun Ru, Danbury, CT (US);
Assignee:
Hologic, Inc., Marlborough, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 35/14 (2006.01); H05G 1/02 (2006.01); H01J 35/06 (2006.01); H05G 1/58 (2006.01);
U.S. Cl.
CPC ...
H05G 1/02 (2013.01); H01J 35/066 (2019.05); H05G 1/58 (2013.01);
Abstract
An x-ray tube having at least one focusing cup and an anode. The x-ray tube may have a first filament positioned in a first location between the focusing cup and the anode, the first filament having a first size, and a second filament positioned in a second location between the focusing cup and anode, the second filament having a second size that is substantially the same as the first size. The x-ray tube may also include a switching mechanism configured to engage the second filament upon failure of the first filament.