# US 2014/0191919 A1 · Broadband 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 2014/0191919 A1 - Document ID: US20140191919A1 - Status: Published application - Kind: A1 - Application number: 13/851,945 - Filed: 2013-03-27 - Published: 2014-07-10 - Earliest claimed: 2013-01-07 - Assignees: Wistron Neweb Corp. - Applicants: Wistron Neweb Corporation - Inventors: Chieh-Sheng Hsu; Chang-Hsiu Huang - Web page: https://patentgrep.com/patent/US20140191919A1 ## CPC - H01Q 19/10: using reflecting surfaces - H01Q 9/0414: {in a stacked or folded configuration} - H01Q 9/16: with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole (H01Q9/44 takes precedence) - H01Q 21/24: Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction {(circularly polarised patch antennas H01Q9/0428; circularly polarised horns H01Q13/0241; cross-polarised horns H01Q13/0258; polarisation converters H01Q15/242; cross-polarised rear feeds H01Q19/136; crossed polarisation dual antenna H01Q25/001)} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract A broadband dual polarization antenna comprises a first metal reflective plane, for reflecting radio signals, to enhance the gain of the broadband dual polarization antenna; a first radiation portion, disposed on the first metal reflective plane with a first gap to the first metal reflective plane; a second radiation portion, disposed on the first radiation portion with a second gap to the first radiation portion; and a supporting element, for supporting and isolating the first metal reflective plane, the first radiation portion and the second radiation portion. ## Claims ### Claim 1 A broadband dual polarization antenna, for receiving and transmitting radio signals, the broadband dual polarization antenna comprising: a first metal reflective plane, for reflecting radio signals, to enhance a gain of the broadband dual polarization antenna; a first radiation portion, disposed on the first metal reflective plane with a first gap to the first metal reflective plane; a second radiation portion, disposed on the first radiation portion with a second gap to the first radiation portion; and a supporting element, for supporting and isolating the first metal reflective plane, the first radiation portion and the second radiation portion. ### Claim 2 (depends on 1) The broadband dual polarization antenna of claim 1, wherein an angle is included between a first midline of the first radiation portion and a second midline of the second radiation portion. ### Claim 3 (depends on 2) The broadband dual polarization antenna of claim 2, wherein the angle is substantially equal to 90 degrees. ### Claim 4 (depends on 1) The broadband dual polarization antenna of claim 1, wherein the second gap is greater than or equal to 5 mm. ### Claim 5 (depends on 1) The broadband dual polarization antenna of claim 1, wherein the first radiation portion comprises: a first triangular metal plate; and a second triangular metal plate. ### Claim 6 (depends on 5) The broadband dual polarization antenna of claim 5, wherein shapes of the first triangular metal plate and the second triangular metal plate are isosceles triangles. ### Claim 7 (depends on 5) The broadband dual polarization antenna of claim 5, wherein a first base of the first triangular metal plate and a second base of the second triangular metal plate are disposed in a first plane, a first vertex of an opposite angle corresponding to the first base of the first triangular metal plate and a second vertex of an opposite angle corresponding to the second base of the second triangular metal plate are disposed in a second plane, and the first plane and the second plane are not the same plane. ### Claim 8 (depends on 5) The broadband dual polarization antenna of claim 5, wherein the first triangular metal plate comprises a first arc bend and the second triangular metal plate comprises a second arc bend. ### Claim 9 (depends on 8) The broadband dual polarization antenna of claim 8, wherein field patterns, isolation, and operating bandwidth of the broadband dual polarization antenna are related to radians of the first arc bend and the second arc bend. ### Claim 10 (depends on 1) The broadband dual polarization antenna of claim 1, wherein the second radiation portion comprises: a third triangular metal plate; and a fourth triangular metal plate. ### Claim 11 (depends on 10) The broadband dual polarization antenna of claim 10, wherein the shapes of the third triangular metal plate and the fourth triangular metal plate are isosceles triangles. ### Claim 12 (depends on 10) The broadband dual polarization antenna of claim 10, wherein a third base of the third triangular metal plate and a fourth base of the fourth triangular metal plate are disposed in a third plane, a third vertex of an opposite angle corresponding to the third base of the third triangular metal plate and a fourth vertex of an opposite angle corresponding to the fourth base of the fourth triangular metal plate are disposed in a fourth plane, and the third plane and the fourth plane are not the same plane. ### Claim 13 (depends on 10) The broadband dual polarization antenna of claim 10, wherein the third triangular metal plate comprises a third arc bend and the fourth triangular metal plate comprises a fourth arc bend. ### Claim 14 (depends on 13) The broadband dual polarization antenna of claim 13, wherein field patterns, isolation, and operating bandwidth of the broadband dual polarization antenna are related to radians of the third arc bend and the fourth arc bend. ### Claim 15 (depends on 1) The broadband dual polarization antenna of claim 1, further comprising a second metal reflective plane, disposed on the second radiation portion with a third gap to the second radiation portion, for reflecting radio signals, to enhance the gain of the broadband dual polarization antenna. ### Claim 16 (depends on 15) The broadband dual polarization antenna of claim 15, wherein field patterns, isolation, and operating bandwidth of the broadband dual polarization antenna are related to the first gap, the second gap and the third gap.