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:
Feb. 18, 2020
Filed:
Nov. 08, 2017
Applicant:
Seoul National University R&db Foundation, Seoul, KR;
Inventors:
Assignee:
SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03H 1/12 (2006.01); G03H 1/22 (2006.01); G03H 1/04 (2006.01);
U.S. Cl.
CPC ...
G03H 1/2205 (2013.01); G03H 1/0406 (2013.01); G03H 1/0443 (2013.01); G03H 1/2294 (2013.01); G03H 2001/045 (2013.01); G03H 2001/0413 (2013.01); G03H 2001/0439 (2013.01); G03H 2222/33 (2013.01);
Abstract
An apparatus for manufacturing a hologram includes a holographic optical element on which a first interference pattern of a first signal beam and a first reference beam is recorded and a second interference pattern of a second signal beam modulated by a Fourier lens and a second reference beam is recorded. Also, an apparatus for reconstructing a hologram by using the holographic optical element is provided.