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. 06, 2021
Filed:
Sep. 04, 2018
Applicant:
Elwha Llc, Bellevue, WA (US);
Inventor:
Yaroslav Urzhumov, Bellevue, WA (US);
Assignee:
Elwha LLC, Bellevue, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 15/14 (2006.01); H01Q 19/18 (2006.01); H01S 3/06 (2006.01); H01Q 3/46 (2006.01); H01Q 19/17 (2006.01); H01Q 3/26 (2006.01); H01Q 25/00 (2006.01); H01Q 19/19 (2006.01);
U.S. Cl.
CPC ...
H01Q 3/46 (2013.01); H01Q 3/2647 (2013.01); H01Q 19/17 (2013.01); H01Q 19/191 (2013.01); H01Q 25/007 (2013.01);
Abstract
An apparatus is provided for transmission of RF signals between a transmitter and a receiver. The apparatus includes a transmitter comprising a first retroreflector having a first array of sub-wavelength retroreflective elements at one end of an open cavity for transmitting RF seed signals. The apparatus also includes a receiver comprising a second retroreflector having a second array of sub-wavelength retroreflective elements at an opposite end of the open cavity for receiving the transmitted seed signal, the transmitted RF seed signals being in form of a beam directed toward the receiver.