# US 10,374,321 B2 · Antenna device including parabolic-hyperbolic reflector > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,374,321 B2 - Document ID: US10374321B2 - Status: Granted - Kind: B2 - Application number: 15/661,557 - Filed: 2017-07-27 - Published: 2018-05-10 - Granted: 2019-08-06 - Earliest claimed: 2016-11-09 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Gennadiy Aleksandrovich Evtyushkin; Artem Yurievich Nikishov; Anton Sergeevich Lukyanov; Elena Aleksandrovna Shepeleva; Alexander Nikolaevich Khripkov - Web page: https://patentgrep.com/patent/US10374321B2 ## CPC - H01Q 15/16: curved in two dimensions [2D], e.g. paraboloidal - H01Q 1/246: {specially adapted for base stations} - H01Q 3/30: varying the {relative} phase {between the radiating elements of an array (H01Q3/2605, H01Q3/2658, H01Q3/2682, H01Q3/44 take precedence)} - H01Q 19/175: {arrayed along the focal line of a cylindrical focusing surface} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract An antenna device is provided. The antenna device includes a reflector having a profile of a parabolic shape in a first cross-section cut parallel to a first direction and a profile of a hyperbolic shape in a second cross-section, the second cross-section being cut perpendicular to the first direction and crossing the first cross-section at a right angle and a radiating structure having at least one phased antenna array adapted to illuminate at least part of the reflector and to scan a beam. The edges of the profile of the parabolic shape of the first cross-section are formed to be directed toward the radiating structure. The edges of the profile of the hyperbolic shape of the reflector are formed to be directed away from the radiating structure. The antenna device may be diversified depending on various embodiments. ## Claims ### Claim 1 An antenna device comprising: a reflector having a profile of a parabolic shape in a first cross-section cut parallel to a first direction and a profile of a hyperbolic shape in a second cross-section, the second cross-section being cut perpendicular to the first direction and crossing the first cross-section at a right angle; and a radiating structure having at least one phased antenna array adapted to illuminate at least part of the reflector and to scan a beam, wherein edges of the profile of the parabolic shape of the first cross-section are formed to be directed toward the radiating structure, and wherein edges of the profile of the hyperbolic shape of the reflector are formed to be directed away from the radiating structure. ### Claim 2 (depends on 1) The antenna device of claim 1, wherein the phased antenna array comprises linearly-arranged phased antennas, and wherein the phased antennas are placed on a same plane as one of the second cross-sections, and wherein the phased antennas are configured to be orthogonal to a symmetry axis of the profile of the hyperbolic shape. ### Claim 3 (depends on 1) The antenna device of claim 1, wherein the radiating structure comprises at least two phased antenna arrays, and wherein each of the at least two phased antenna arrays are configured to illuminate a different part of the reflector. ### Claim 4 (depends on 1) The antenna device of claim 1, wherein the phased antenna array is configured to perform dual-polarized beamforming. ### Claim 5 (depends on 1) The antenna device of claim 1, wherein the phased antenna array comprises phased antennas, and wherein the phased antenna comprises a waveguide antenna. ### Claim 6 (depends on 5) The antenna device of claim 5, wherein the waveguide antenna comprises a waveguide with a side directed toward the reflector open and the opposite side closed, and wherein the waveguide is formed inside one of a metal hollow or a metalized hollow. ### Claim 7 (depends on 5) The antenna device of claim 5, wherein the waveguide antenna comprises a waveguide formed in a metal or metalized hollow; and a microstrip line for providing feed into the waveguide. ### Claim 8 (depends on 7) The antenna device of claim 7, wherein the waveguide antenna comprises: a first waveguide member having a first part of the waveguide, a second waveguide member having a second part of the waveguide, and at least one printed circuit board having the microstrip line, and wherein the printed circuit board is arranged on a plane perpendicular to an axis of the waveguide between the first part and the second part to be clamped between the first waveguide member and the second waveguide member. ### Claim 9 (depends on 8) The antenna device of claim 8, wherein the waveguide antenna further comprises: furrows formed in the first waveguide member and the second waveguide member, respectively, and wherein the furrows are configured to correspond to an area in which the microstrip line is formed. ### Claim 10 (depends on 8) The antenna device of claim 8, wherein the microstrip line linearly extends on the printed circuit board, and wherein one end of the microstrip line is configured to: extend into the waveguide, and form a right angle with an inner wall of the waveguide, to form an excitation waveguide probe in the waveguide. ### Claim 11 (depends on 8) The antenna device of claim 8, wherein microstrip lines are symmetrically arranged on either side of the printed circuit board. ### Claim 12 (depends on 8) The antenna device of claim 8, wherein the waveguide antenna comprises two of the printed circuit boards, and wherein the microstrip line placed on one of the printed circuit boards is arranged to be perpendicular to the other micro strip line placed on the other printed circuit board. ### Claim 13 (depends on 9) The antenna device of claim 9, wherein the furrows are placed in the first waveguide member and the second waveguide members based upon an impedance requirement for the waveguide antenna. ### Claim 14 (depends on 12) The antenna device of claim 12, wherein the waveguide antenna further comprises a dummy waveguide member arranged between two of the printed circuit boards. ### Claim 15 (depends on 14) The antenna device of claim 14, wherein the dummy waveguide comprises an opening corresponding to the first part or the second part. ### Claim 16 (depends on 7) The antenna device of claim 7, wherein the waveguide antenna further comprises protrusions formed along an inner wall of the waveguide, and the protrusions are configured to lower a critical frequency of the waveguide antenna.