# US 2014/0152529 A1 · Compact Dual Polarization Antenna > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0152529 A1 - Document ID: US20140152529A1 - Status: Published application - Kind: A1 - Application number: 13/705,293 - Filed: 2012-12-05 - Published: 2014-06-05 - Earliest claimed: 2012-12-05 - Assignees: QUALCOMM Incorporated - Applicants: Qualcomm Incorporated - Inventors: Jatupum Jenwatanavet - Web page: https://patentgrep.com/patent/US20140152529A1 ## CPC - H01Q 1/38: formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142)} - H01Q 1/50: Structural association of antennas with earthing switches, lead-in devices or lightning protectors - H01Q 7/00: Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop - H01Q 9/0421: {with a shorting wall or a shorting pin at one end of the element (H01Q9/0414 takes precedence)} - H01Q 9/0428: {radiating a circular polarised wave} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract A dual polarization antenna includes a transducer element having two orthogonal sides and configured to conduct current at least two orthogonal directions. ## Claims ### Claim 1 A communication device having a dual polarization antenna, comprising a transducer element having two orthogonal sides and configured to conduct current in at least two orthogonal directions. ### Claim 2 (depends on 1) The communication device of claim 1, further comprising a feed connection and a ground connection to the transducer element, the feed connection and the ground connection oriented approximately 45 degrees with respect to the orthogonal sides of the transducer element. ### Claim 3 (depends on 2) The communication device of claim 2, wherein the transducer element comprises a quarter circle shape. ### Claim 4 (depends on 2) The communication device of claim 2, wherein the transducer element comprises a loop right triangle shape. ### Claim 5 (depends on 2) The communication device of claim 2, wherein the transducer element comprises an L shape. ### Claim 6 (depends on 2) The communication device of claim 2, wherein a feed current is received and decomposed into two orthogonal currents according to sin and cosine functions of the feed current. ### Claim 7 (depends on 2) The communication device of claim 2, wherein the feed connection provides a feed current to the transducer element and the transducer element comprises a radiating antenna configured to radiate electromagnetic energy. ### Claim 8 (depends on 2) The communication device of claim 2, wherein the transducer element comprises a receive antenna configured to receive electromagnetic energy and generate a current at the feed connection. ### Claim 9 A dual polarization antenna, comprising a transducer element having two orthogonal sides and configured to conduct current at least two orthogonal directions. ### Claim 10 (depends on 9) The dual polarization antenna of claim 9, further comprising a feed connection and a ground connection to the transducer element, the feed connection and the ground connection oriented approximately 45 degrees with respect to the orthogonal sides of the transducer element. ### Claim 11 (depends on 10) The dual polarization antenna of claim 10, wherein the transducer element comprises a quarter circle shape. ### Claim 12 (depends on 10) The dual polarization antenna of claim 10 wherein the transducer element comprises a loop right triangle shape. ### Claim 13 (depends on 10) The dual polarization antenna of claim 10, wherein the transducer element comprises an L shape. ### Claim 14 (depends on 10) The dual polarization antenna of claim 10, wherein a feed current is received and decomposed into two orthogonal currents according to sin and cosine functions of the feed current. ### Claim 15 (depends on 10) The dual polarization antenna of claim 10, wherein the feed connection provides a feed current to the transducer element and the transducer element comprises a radiating antenna configured to radiate electromagnetic energy. ### Claim 16 (depends on 10) The dual polarization antenna of claim 10, wherein the transducer element comprises a receive antenna configured to receive electromagnetic energy and generate a current at the feed connection. ### Claim 17 A dual polarization antenna, comprising: a ground plane; a transducer element located over the ground plane, the transducer element having two orthogonal sides and configured to conduct current at least two orthogonal directions; a feed connection electrically connected to the transducer element; and a ground connection electrically connected to the transducer element, the feed connection and the ground connection oriented approximately 45 degrees with respect to the orthogonal sides of the transducer element. ### Claim 18 (depends on 17) The dual polarization antenna of claim 17, wherein the transducer element comprises a shape chosen from a quarter circle shape, a loop right triangle shape and an L shape. ### Claim 19 (depends on 17) The dual polarization antenna of claim 17, wherein a feed current is received and decomposed into two orthogonal currents according to sin and cosine functions of the feed current. ### Claim 20 (depends on 17) The dual polarization antenna of claim 17, wherein the transducer element comprises a receive antenna configured to receive electromagnetic energy and generate a current at the feed connection.