# US 2014/0198005 A1 · Low profile antenna > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0198005 A1 - Document ID: US20140198005A1 - Status: Published application - Kind: A1 - Application number: 13/743,132 - Filed: 2013-01-16 - Published: 2014-07-17 - Earliest claimed: 2013-01-16 - Assignees: Cmc Electronique Inc. / Cmc Electronics Inc. - Applicants: Cmc Electronique Inc. / Cmc Electronics Inc. - Inventors: Alan Julian Paul HNATIW; John Patten CARR; Matthew Philip HILLS - Web page: https://patentgrep.com/patent/US20140198005A1 ## CPC - H01Q 21/08: the units being spaced along or adjacent to a rectilinear path {(waveguide fed H01Q21/0037)} - H01Q 13/085: {Slot-line radiating ends} - H01Q 21/005: {Slotted waveguides arrays} - H01Q 21/0093: {Monolithic arrays} - Y10T 29/49016: Antenna or wave energy "plumbing" making - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract There is provided a low profile antenna comprising a line source, a corporate feed network, and a plurality of radiating elements. The radiating elements are arranged in a linear array so as to be discrete in a first direction and each continuous in a second direction substantially perpendicular to the first direction. The corporate feed network is integrated with the linear array of radiating elements to provide for a compact design. ## Claims ### Claim 1 A low profile antenna comprising: a radiator array comprising a plurality of radiating elements arranged linearly along a first direction, each one of the plurality of radiating elements adapted to radiate along a second direction substantially perpendicular to the first direction; and a corporate feed network integrated with the radiator array, the corporate feed network comprising an input transmission line adapted to receive an input signal and a plurality of output transmission lines each coupled to the input transmission line and to a corresponding one of the plurality of radiating elements, the input signal adapted to be routed among the plurality of output transmission lines for delivery to the plurality of radiating elements. ### Claim 2 (depends on 1) The antenna of claim 1, wherein the plurality of radiating elements of the radiator array are arranged in a single column along the first direction, the first direction being a vertical direction. ### Claim 3 (depends on 1) The antenna of claim 1, further comprising a line source adapted to be coupled to the corporate feed network for supplying the input signal to the input transmission line. ### Claim 4 (depends on 3) The antenna of claim 3, wherein the line source is a folded reflective line source adapted to receive a single mode input having a first width and to transform the single mode input into the input signal, wherein the input signal has a second width greater than the first width and is continuous along the second direction. ### Claim 5 (depends on 4) The antenna of claim 4, wherein the corporate feed network is adapted to route the input signal among the plurality of output transmission lines for delivery to the plurality of radiating elements, thereby causing each one of the plurality of radiating elements to radiate an output signal that is continuous along the second direction. ### Claim 6 (depends on 3) The antenna of claim 3, wherein the line source is a corporate feed line source adapted to receive thereat a single mode input having a first width and to transform the single mode input into the input signal, wherein the input signal comprises a plurality of discrete sources arranged along the second direction. ### Claim 7 (depends on 6) The antenna of claim 6, wherein the corporate feed network is adapted to route the input signal among the plurality of output transmission lines for delivery to the plurality of radiating elements, thereby causing each one of the plurality of radiating elements to radiate an output signal that is discretized along the second direction. ### Claim 8 (depends on 3) The antenna of claim 3, wherein the corporate feed network further comprises a plurality of intermediary transmission lines, the input line, the plurality of intermediary lines, and the plurality of output transmission lines distributed among a plurality of feed levels. ### Claim 9 (depends on 8) The antenna of claim 8, wherein the plurality of feed levels of the corporate feed network comprises a first feed level arranged adjacent the line source and a last feed level arranged adjacent the radiator array, the input transmission line provided at the first feed level and the plurality of output transmission lines provided at the last feed level. ### Claim 10 (depends on 8) The antenna of claim 8, wherein the corporate feed network comprises a plurality of junctions for arranging the plurality of intermediary lines and the plurality of output transmission lines in pairs over successive ones of the plurality of feed levels, each one of the plurality of junctions adapted to receive a first signal and to output a second and a third signal. ### Claim 11 (depends on 10) The antenna of claim 10, wherein the corporate feed network comprises a plurality of power dividers each provided at a corresponding one of the plurality of junctions for dividing a first power of the first signal into a second power of the second signal and a third power of the third signal, the second power equal to the third power. ### Claim 12 (depends on 10) The antenna of claim 10, wherein the corporate feed network comprises a plurality of power dividers each provided at a corresponding one of the plurality of junctions for dividing a first power of the first signal into a second power of the second signal and a third power of the third signal, the second power different from the third power. ### Claim 13 (depends on 10) The antenna of claim 10, wherein the corporate feed network comprises a plurality of power dividers each provided at a corresponding one of the plurality of junctions for dividing a first power of the first signal into a second power of the second signal and a third power of the third signal, the second signal having a phase equal to that of the third signal. ### Claim 14 (depends on 10) The antenna of claim 10, wherein the corporate feed network comprises a plurality of power dividers each provided at a corresponding one of the plurality of junctions for dividing a first power of the first signal into a second power of the second signal and a third power of the third signal, the second signal having a phase different from that of the third signal. ### Claim 15 (depends on 1) The antenna of claim 1, wherein the radiator array and the corporate feed network are manufactured from a same waveguide piece. ### Claim 16 (depends on 15) The antenna of claim 15, wherein the radiator array is manufactured using one of solid metal extrusions, hollow extrusions, plastic extrusions, composite extrusions, casting, and molding. ### Claim 17 A method for manufacturing a low profile antenna, the method comprising: arranging a plurality of radiating elements linearly along a first direction to form a radiator array, each one of the plurality of radiating elements adapted to radiate along a second direction substantially perpendicular to the first direction; and integrating a corporate feed network with the radiator array, the corporate feed network comprising an input transmission line adapted to receive an input signal and a plurality of output transmission lines each coupled to the input transmission line and to a corresponding one of the plurality of radiating elements, the input signal adapted to be routed among the plurality of output transmission lines for delivery to the plurality of radiating elements. ### Claim 18 (depends on 17) The method of claim 17, wherein linearly arranging the plurality of radiating elements comprises arranging the plurality of radiating elements in a single column along the first direction, the first direction being a vertical direction. ### Claim 19 (depends on 17) The method of claim 17, further comprising coupling a line source to the corporate feed network for supplying the input signal to the input transmission line.