# US 12,224,498 B2 · Wireless radiation module and electronic device using the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,224,498 B2 - Document ID: US12224498B2 - Status: Granted - Kind: B2 - Application number: 17/839,717 - Filed: 2022-06-14 - Published: 2022-12-22 - Granted: 2025-02-11 - Earliest claimed: 2021-06-21 - Assignees: Chiun Mai Communication Systems, Inc. - Applicants: Chiun Mai Communication Systems, Inc. - Inventors: Cho-Kang Hsu; Min-Hui Ho - Web page: https://patentgrep.com/patent/US12224498B2 ## CPC - H01Q 1/243: {with built-in antennas} - H01Q 3/247: {by switching different parts of a primary active element} - H01Q 1/241: {used in mobile communications, e.g. GSM (H01Q1/247, H01Q1/248 take precedence)} - 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 3/24: varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching - H01Q 5/335: at the feed, e.g. for impedance matching - H01Q 21/08: the units being spaced along or adjacent to a rectilinear path {(waveguide fed H01Q21/0037)} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract A wireless radiation module with multiple miniaturized antennas receiving signals from multiple switchable feed points for enhanced frequency ranges includes a substrate, a radiation portion, and an active circuit. The radiation portion is spaced apart from a radiator. The radiation portion generates multiple radiation modes through coupling with the radiator, and signals are transmitted and/or received from the radiator. The active circuit is electrically connected to the radiation portion for switching between multiple radiation modes of the radiation portion. The wireless radiation module can operate in multiple radiation modes, and cover multiple frequency bands, to increase a bandwidth and have an improved antenna efficiency. The present disclosure also provides an electronic device with the wireless radiation module. ## Claims ### Claim 1 A wireless radiation module applied in an electronic device having a radiator, comprising: a substrate having a first surface and a second surface opposite to the first surface; a radiation portion configured to generate signals in multiple radiation modes; and an active circuit arranged on the second surface of the substrate, electrically connecting to the radiation portion, and configured to switch the multiple radiation modes, wherein the radiation portion is configured to generate signals to couple the radiator spaced apart from the radiation portion, and transmit and receive signals through the radiator, and the first surface is arranged toward the radiator, the radiation portion is arranged on the first surface, the radiation portion is arranged relative to the radiator, the radiation portion comprises a feed point electrically connected to a corresponding feed source, the feed point is configured to feed current to the radiation portion, and the radiation portion is configured to couple the current to the radiator. ### Claim 2 (depends on 1) The wireless radiation module according to claim 1, further comprising a connector arranged on the second surface of the substrate, the connector electrically connecting to the active circuit with a transmission line. ### Claim 3 (depends on 2) The wireless radiation module according to claim 2, wherein the radiation portion comprises a plurality of radiation portions arranged at intervals, the feed point is electrically connected to a corresponding feed source through a corresponding matching unit. ### Claim 4 (depends on 3) The wireless radiation module according to claim 3, wherein the active circuit comprises a switch and a plurality of adjustable elements, a first end of the switch electrically connects to the connector, and a second end of the switch electrically connects to the corresponding feed source through a corresponding adjustable element, the switch is switched to the corresponding adjustable element and the corresponding feed source to switch the multiple radiation modes. ### Claim 5 (depends on 1) The wireless radiation module according to claim 1, wherein the radiation portion comprises three radiation portions arranged at intervals, the three radiation portions couple the radiator to generate the multiple radiation modes by adjusting coupling states of the three radiation portions. ### Claim 6 (depends on 5) The wireless radiation module according to claim 5, wherein the radiation modes comprise WI-FI 2.4G radiation mode, WI-FI 5G radiation mode, Licensed Spectrum Assisted Access (LAA) radiation mode, Ultra High Frequency (UHB) radiation mode, 5G Sub 6 NR radiation mode and mid-high frequency radiation mode. ### Claim 7 An electronic device comprising: a radiator; a wireless radiation module comprising: a substrate comprising a first surface and a second surface opposite to the first surface; a radiation portion configured to generate signals in multiple radiation modes; and an active circuit arranged on the second surface of the substrate, electrically connecting to the radiation portion, and configured to switch the multiple radiation modes; wherein the radiation portion is configured to generate signals to couple the radiator spaced from the radiation portion, and transmit and receive signals from the radiator, and the first surface is arranged toward the radiator, the radiation portion is arranged on the first surface, the radiation portion is arranged relative to the radiator, the radiation portion comprises a feed point electrically connected to a corresponding feed source, the feed point is configured to feed current to the radiation portion, and the radiation portion is configured to couple the current to the radiator. ### Claim 8 (depends on 7) The electronic device according to claim 7, further comprising a metal frame, wherein a part of the metal frame forms the radiator. ### Claim 9 (depends on 8) The electronic device according to claim 8, wherein a gap is defined on the metal frame and divides the metal frame into a first part and a second part arranged at intervals, the first part forms the radiator, and the second part is grounded. ### Claim 10 (depends on 9) The electronic device according to claim 9, further comprising a grounding point defined on a side of the first part away from the second part, wherein a first end of the grounding point electrically connects to the first part, and a second end of the grounding point is grounded. ### Claim 11 (depends on 10) The electronic device according to claim 10, further comprising a battery, wherein a slit is formed between the battery and the metal frame is spaced from the battery. ### Claim 12 (depends on 11) The electronic device according to claim 11, wherein the wireless radiation module is arranged in the slit between the gap and the grounding point, and the radiation portion is arranged at an interval from the first part. ### Claim 13 (depends on 7) The electronic device according to claim 7, the wireless radiation module further comprising a connector arranged on the second surface of the substrate and electrically connecting to the active circuit with a transmission line. ### Claim 14 (depends on 13) The electronic device according to claim 13, wherein the first surface of the substrate is arranged toward the radiator. ### Claim 15 (depends on 13) The electronic device according to claim 13, wherein the radiation portion comprises a plurality of radiation portions arranged at intervals, the feed point is electrically connected to a corresponding feed source through a corresponding matching unit. ### Claim 16 (depends on 15) The electronic device according to claim 15, wherein the active circuit comprises a switch and a plurality of adjustable elements, a first end of the switch electrically connects to the connector, and a second end of the switch electrically connects to the corresponding feed source through a corresponding adjustable element, the switch is switched to the corresponding adjustable element and the corresponding feed source to switch the multiple radiation modes. ### Claim 17 (depends on 7) The electronic device according to claim 7, wherein the radiation portion comprises three radiation portions arranged at intervals, the wireless radiation module excites the multiple radiation modes by coupling the three radiation portions to the radiator, and/or adjusting coupling states between two adjacent radiation portions. ### Claim 18 (depends on 17) The electronic device according to claim 17, wherein the multiple radiation modes comprise WI-FI 2.4G radiation mode, WI-FI 5G radiation mode, Licensed Spectrum Assisted Access (LAA) radiation mode, Ultra High Frequency (UHB) radiation mode, 5G Sub6 NR radiation mode and mid-high frequency radiation mode.