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:
Jun. 30, 2026
Filed:
Sep. 01, 2023
Taiwan Space Agency, Hsinchu, TW;
Sheng-Feng Lin, Hsinchu, TW;
TAIWAN SPACE AGENCY, Hsinchu, TW;
Abstract
An imaging lens system for tracking a celestial body includes, sequentially in a direction from the object side to the image side: a first lens group including, sequentially in the foregoing direction, either a negative-dioptric-power and two positive-dioptric-power lens elements, or a positive-dioptric-power, a negative-dioptric-power, and another positive-dioptric-power lens element; a second lens group including two negative-dioptric-power lens elements; and a third lens group including, sequentially in the foregoing direction, either a positive-dioptric-power, a negative-dioptric-power, and another positive-dioptric-power lens element, or two positive-dioptric-power, a negative-dioptric-power, and another positive-dioptric-power lens element. An aperture stop is located at the center of the imaging lens system symmetrically, allowing marginal rays to pass through the center of each lens element. The positive- and negative-dioptric-power lens elements contribute to a balanced field curvature. A wide system aperture (f/1.4) and a relatively wide field of view)(FOV<28°) result from the characteristic of an inverted telephoto configuration.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile