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. 14, 2025
Filed:
May. 13, 2022
Applicant:
Korea Photonics Technology Institute, Gwangju, KR;
Inventors:
Seon Kyu Yoon, Gwangju, KR;
Jin Su Lee, Gwangju, KR;
Assignee:
KOREA PHOTONICS TECHNOLOGY INSTITUTE, Gwangju, KR;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03H 1/04 (2005.12); G01J 1/42 (2005.12); G01J 9/02 (2005.12); H04N 23/55 (2022.12); H04N 23/56 (2022.12); H10F 39/12 (2024.12);
U.S. Cl.
CPC ...
G03H 1/0402 (2012.12); G01J 1/42 (2012.12); G01J 9/02 (2012.12); G03H 1/0443 (2012.12); H04N 23/55 (2022.12); H04N 23/56 (2022.12); H10F 39/12 (2024.12); G03H 2001/0428 (2012.12); G03H 2001/0452 (2012.12);
Abstract
According to an embodiment, a holographic image sensor comprises a lens focusing object light incident from outside of the holographic image sensor to the holographic image sensor, a filter transmitting a predetermined wavelength band of light of the focused object light, a light receiving unit receiving interference light to sense a holographic image, and a reference light source directly emitting reference light having the predetermined wavelength band to the light receiving unit.