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. 04, 2019
Filed:
May. 13, 2015
Applicant:
Two Trees Photonics Limited, Buckinghamshire, GB;
Inventors:
Jamieson Christmas, Buckinghamshire, GB;
Dackson Masiyano, Buckinghamshire, GB;
William Crossland, Harlow, GB;
Assignee:
TWO TREES PHOTONICS LIMITED, Buckinghamshire, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03H 1/00 (2006.01); G02B 27/01 (2006.01); G02B 27/22 (2018.01); G03H 1/22 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0103 (2013.01); G02B 27/2278 (2013.01); G03H 1/2294 (2013.01); G02B 2027/0105 (2013.01); G02B 2027/0109 (2013.01); G03H 2001/2284 (2013.01);
Abstract
An imaging device includes a projection optic arranged to form a virtual image of an object. The imaging device further includes a first diffuser positioned a first distance from the virtual projection optic and a second diffuser positioned a second distance from the virtual projection optic. The controller is arranged to control the first and second diffuser to make the real image visible on one of the diffusers.