# US 11,444,370 B1 · Antenna system for a large appliance > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,444,370 B1 - Document ID: US11444370B1 - Status: Granted - Kind: B1 - Application number: 16/826,520 - Filed: 2020-03-23 - Granted: 2022-09-13 - Earliest claimed: 2016-12-31 - Assignees: Airgain Incorporated - Applicants: Airgain Incorporated - Inventors: Simon Yang - Web page: https://patentgrep.com/patent/US11444370B1 ## CPC - H01Q 1/246: {specially adapted for base stations} - H01Q 1/12: Supports; Mounting means - H01Q 1/24: with receiving set - H01Q 5/30: Arrangements for providing operation on different wavebands - H01Q 5/364: Creating multiple current paths - H01Q 9/0421: {with a shorting wall or a shorting pin at one end of the element (H01Q9/0414 takes precedence)} - H01Q 9/42: with folded element, the folded parts being spaced apart a small fraction of the operating wavelength - H01Q 21/00: Antenna arrays or systems (arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system H01Q3/00) - H01Q 21/0043: {Slotted waveguides (combination with horns H01Q13/0233)} - H01Q 21/28: Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} - H04W 84/12: WLAN [Wireless Local Area Networks] - H01P 5/12: Coupling devices having more than two ports (H01P5/04 takes precedence) - H04B 7/0413: MIMO systems - H04N 5/44: Receiver circuitry {for the reception of television signals according to analogue transmission standards} (H04N5/14 takes precedence) - H04N 5/64: Constructional details of receivers, e.g. cabinets or dust covers (furniture aspects {of television cabinets} A47B81/06) - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H01P: WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE (operating at optical frequencies G02B) - H04B: TRANSMISSION - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract An antenna system for a large appliance is disclosed herein. The antenna system comprises a large appliance having a front surface and a rear surface, a first antenna mounted on the rear surface, a second antenna mounted on the rear surface, a combiner in communication with the first antenna and the second antenna, a radio, a processor, and a wireless access point. The combiner selects the strongest signal of the first antenna and the second antenna to receive a wireless signal from the wireless access point. ## Claims ### Claim 1 An antenna system for a large appliance, the antenna system comprising: an appliance having a front surface and a rear surface; and an antenna system comprising a transceiver, an antenna control unit and a plurality of antenna elements; wherein the plurality of antenna elements are configured to transmit an electromagnetic signal in a direction having an antenna gain; wherein the transceiver is configured to detect an expected signal transmitted from a wireless access point; wherein the antenna control unit is configured to generate a direction selection signal to direct the electromagnetic signal to a selected direction corresponding to a high gain position in response to the antenna gain signal; wherein the appliance has a surface area of at least nine feet; wherein the appliance comprises a metal surface that blocks antenna signals from the wireless access point. ### Claim 2 (depends on 1) The antenna system according to claim 1 wherein the plurality of antenna elements comprises a first antenna and a second antenna. ### Claim 3 (depends on 1) The antenna system according to claim 1 wherein the large appliance has a surface area of at least five times the wavelength of the antenna signal. ### Claim 4 (depends on 1) The antenna system according to claim 1 wherein the antenna system is a MIMO antenna system. ### Claim 5 (depends on 1) The antenna system according to claim 1 wherein the antenna system is a MIMO antenna system with a 2×2 dual band antenna and further comprises a single BLUETOOTH antenna and a 5G antenna. ### Claim 6 (depends on 1) The antenna system according to claim 1 wherein the antenna system is a MIMO antenna system with a 3×3 antenna on 802.11ac and 3×3 antenna on 802.11n. ### Claim 7 An antenna system for a large appliance, the antenna system comprising: an appliance having a front surface and a rear surface; and an antenna system for communication in a wireless network comprising a transceiver, an antenna control unit and a plurality of antenna elements; wherein the plurality of antenna elements are configured to transmit an electromagnetic signal in a direction having an antenna gain; wherein the transceiver is capable of detecting an expected signal transmitted within the wireless network, and in response generating an antenna gain signal; wherein the antenna control unit is configured to generate a direction selection signal to direct the electromagnetic signal to a selected direction corresponding to a high gain position in response to the antenna gain signal; wherein the appliance has a surface area of at least nine feet; wherein the appliance comprises a metal surface that blocks antenna signals. ### Claim 8 An antenna system for a large appliance, the antenna system comprising: the large appliance having a front surface and a rear surface; a first antenna mounted on the rear surface; a second antenna mounted on the rear surface; a combiner having a shield case and in communication with the first antenna and the second antenna; a radio; and a processor; wherein the combiner is a passive switch that selects a received signal to use from a signal received at the first antenna and the signal received second antenna, the signal operating on an 802.11 communication protocol; wherein the large appliance has a surface area of at least nine feet and is a 4K high definition television; wherein the large appliance comprises a metal surface that blocks antenna signals from the wireless access point. ### Claim 9 (depends on 8) The antenna system according to claim 8 wherein the first antenna and the second antenna are separated by 30 mm. ### Claim 10 (depends on 8) The antenna system according to claim 8 wherein the large appliance has a surface area of at least five times the wavelength of the antenna signal. ### Claim 11 (depends on 8) The antenna system according to claim 8 wherein the antenna system is a MIMO antenna system. ### Claim 12 (depends on 8) The antenna system according to claim 8 wherein the antenna system is a MIMO antenna system with a 2×2 dual band antenna and further comprises a single BLUETOOTH antenna and a 5G antenna. ### Claim 13 (depends on 8) The antenna system according to claim 8 wherein the antenna system is a MIMO antenna system with a 3×3 antenna on 802.1 lac and 3×3 antenna on 802.11n.