US 12,149,008 B2
Low-footprint dual-band ultra-wideband antenna modules
Vivek Tulshiram Bharambe, San Jose, CA (US); Pei Li, Milpitas, CA (US); and Matthew Slater, Chicago, IL (US)
Assigned to Google LLC, Mountain View, CA (US)
Filed by Google LLC, Mountain View, CA (US)
Filed on Aug. 22, 2022, as Appl. No. 17/821,343.
Claims priority of provisional application 63/371,958, filed on Aug. 19, 2022.
Prior Publication US 2022/0399646 A1, Dec. 15, 2022
Prior Publication US 2024/0266734 A9, Aug. 8, 2024
Int. Cl. H01Q 5/385 (2015.01); H01Q 1/24 (2006.01); H01Q 5/25 (2015.01); H01Q 9/04 (2006.01)
CPC H01Q 5/385 (2015.01) [H01Q 1/243 (2013.01); H01Q 5/25 (2015.01); H01Q 9/0414 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A multi-layer dual-band antenna comprising:
a set of patch antennas comprising at least three patch antennas arranged in an “L” shape having a first and second substantially perpendicular axes, a first patch antenna of the at least three patch antennas positioned along the first axis and a second patch antenna of the at least three patch antennas positioned along the first axis and the second axis, and a third patch antenna of the at least three patch antennas positioned along the second axis, each patch antenna comprising:
a first layer comprising a conductive ground plate;
a second layer comprising a feeding plate; and
a third layer comprising two parasitic strips, a first of the two parasitic strips being an open-circuited parasitic strip configured to resonate at a first frequency and a second of the two parasitic strips being shorted to the conductive ground plate and configured to resonate at a second frequency, the first and second parasitic strips aligned at approximately 45 degrees from the first and second substantially perpendicular axes, the first frequency within a first frequency band of the dual-band antenna and the second frequency being within a second frequency band of the dual-band antenna.