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. 08, 2025
Filed:
Feb. 07, 2023
Fangkai Han, Shanghai, CN;
Fangkai Han, Shanghai, CN;
Jue Li, Shanghai, CN;
[object Object];
Abstract
A visible light projection indicator for a dental x-ray imaging apparatus, including a casing (), one end of the casing () detachably affixed to a beam-limiting cone () in the dental x-ray imaging apparatus, the other end thereof provided with a light exit aperture; a visible light source () positioned in the casing () and configured to be able to emit visible light; the casing () affixed to the beam-limiting cone () so as to form a light passage so that visible light emitted from the visible light source () is able to travel along the light passage and exits from the light exit aperture. A method of using a visible light projection indicator for a dental x-ray imaging apparatus, including the steps of: affixing the visible light projection indicator to a beam-limiting cone (); activating at least one visible light source () to cause visible light to be emitted from a light exit aperture of the visible light projection indicator; according to a light field () of the visible light, adjusting a distance and an orientation of the beam-limiting cone () from and with respect to an object to be imaged so that the visible light is aligned with a center of an area () to be imaged; and performing an X-ray imaging operation.