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:
Jan. 26, 2016
Filed:
Feb. 21, 2012
Applicants:
Sri Rama Prasanna Pavani, Palo Alto, CA (US);
Jonathan J. Hull, San Carlos, CA (US);
Sergey Chemishkain, San Jose, CA (US);
Kathrin Berkner, Los Altos, CA (US);
Inventors:
Sri Rama Prasanna Pavani, Palo Alto, CA (US);
Jonathan J. Hull, San Carlos, CA (US);
Sergey Chemishkain, San Jose, CA (US);
Kathrin Berkner, Los Altos, CA (US);
Assignee:
Ricoh Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/89 (2006.01); G03H 1/00 (2006.01); G08G 1/0962 (2006.01); G08G 1/16 (2006.01); G06E 3/00 (2006.01); G01V 8/10 (2006.01);
U.S. Cl.
CPC ...
G08G 1/09623 (2013.01); G06E 3/003 (2013.01); G08G 1/166 (2013.01); G01V 8/10 (2013.01);
Abstract
An optically-based target detection system includes a holographic detection filter designed to produce a concentrated spot when a target is present.