# US 11,444,390 B2 · Near-field communication and ultra high frequency device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,444,390 B2 - Document ID: US11444390B2 - Status: Granted - Kind: B2 - Application number: 16/957,175 - Filed: 2019-01-18 - Published: 2020-10-22 - Granted: 2022-09-13 - Earliest claimed: 2018-01-29 - Assignees: Continental Automotive France; Continental Automotive GmbH - Applicants: Continental Automotive France; Continental Automotive GmbH - Inventors: Rachid Benbouhout - Web page: https://patentgrep.com/patent/US11444390B2 ## CPC - H01Q 1/2291: {used in Bluetooth® or Wi-Fi® devices of Wireless Local Area Networks [WLAN] (H01Q1/241 takes precedence; WLAN in general H04W)} - H01Q 1/12: Supports; Mounting means - 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 7/00: Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop - H01Q 9/42: with folded element, the folded parts being spaced apart a small fraction of the operating wavelength - H01Q 21/28: Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} - H02J 7/731: {specially adapted for holding portable devices containing batteries (H02J7/751 takes precedence)} - H02J 50/005: {Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices} - H02J 50/10: using inductive coupling - H04B 5/26: using coils - H04B 5/43: Antennas - H04B 5/79: for data transfer in combination with power transfer - H04B 5/24: Inductive coupling - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - H04B: TRANSMISSION ## Abstract A device for near-field and ultra-high-frequency communication, the device includes a near-field-communication antenna, an ultra-high-frequency antenna, a control unit including a controller for controlling the ultra-high-frequency antenna and a controller for controlling the near-field-communication antenna, a first carrier on which the NFC antenna is located, a second carrier on which the control unit is located, the first carrier and second carrier being located one above the other and connected by mechanical support pins, it is proposed that the ultra-high-frequency antenna be located on the first carrier and be connected to the control unit via: a first connection located on the first carrier, at least one pin made of conductive metal, and a second connection located on the second carrier, so as to produce a bidirectional ultra-high-frequency antenna. ## Claims ### Claim 1 A device for near-field and ultra-high-frequency communication, the device comprising: an NEC near-field-communication antenna, a BLE ultra-high-frequency (UHF) antenna, a control unit comprising control means for controlling the ultra-high-frequency antenna and control means for controlling the near-field-communication antenna, a first carrier on which the NFC antenna is located, a second carrier on which the control unit is located, the first carrier and second carrier being located one above the other and connected by mechanical support pins, wherein the BLE UHF antenna is located on the first carrier and is connected to the control unit via: a first connection located on the first carrier, the first connection connecting the BLE UHF antenna to a mechanical support pin of the mechanical support pins, the mechanical support pin made of conductive metal, the mechanical support pin being perpendicular to the first carrier and the second carrier, and a second connection located on the second carrier, the second connection connecting the mechanical support pin to the control unit, wherein a first connection length of the first connection, and a second connection length of the second connection, a pin length of the mechanical support pin, and an antenna length of the BLE UHF antenna are designed such that the combined structure of the BLE UHF antenna, the first connection, the mechanical support pin, and the second connection has a total length to form a bidirectional BLE UHF antenna emitting an electromagnetic field at the same operating frequency as said BLE UHF antenna and having two components, a first component perpendicular to the first carrier and a second component which is parallel to the first carrier. ### Claim 2 (depends on 1) The device as claimed claim 1, wherein a total length of the bidirectional ultra-high-frequency antenna is equal to: LTOT=L+H1+Lc2+Lc1 and is between: L TOT = [ λ 20 ; λ 2 ] where: LTOT: total length of the bidirectional antenna, H1: height of the mechanical support pin, λ: ultra-high-frequency wavelength, Lc1: length of the first connection, Lc2: length of the second connection, L: length of the ultra-high-frequency antenna. ### Claim 3 (depends on 2) The device as claimed in claim 2, wherein the first connection and the second connection consist of vias, and the total length of the bidirectional antenna is equal to: LTOT=L+H1 where: H1: height of the mechanical support pin, λ: ultra-high-frequency wavelength, L: length of the ultra-high-frequency antenna. ### Claim 4 (depends on 1) The device as claimed in claim 1, wherein the first connection and the second connection consist of vias, and that the total length of the bidirectional antenna is equal to: LTOT=L+H1 where: H1: height of the mechanical support pin, λ: ultra-high-frequency wavelength, L: length of the ultra-high-frequency antenna. ### Claim 5 (depends on 4) The device as claimed in claim 4, wherein the ultra-high-frequency antenna is integrated into the near-field-communication antenna and is connected on both sides to the near-field-communication antenna by the frequency-filtering means. ### Claim 6 (depends on 5) The device as claimed in claim 5, wherein the filtering means comprises an inductor and/or a capacitor. ### Claim 7 (depends on 1) The device as claimed in claim 1, wherein the near-field-communication antenna, and the ultra-high-frequency antenna are connected to the control unit by a common pin, and by a first and a second common via (v1′, v2′) and in that the device further comprises frequency-filtering means. ### Claim 8 (depends on 7) The device as claimed in claim 7, wherein the filtering means comprises an inductor and/or a capacitor. ### Claim 9 (depends on 7) The device as claimed in claim 7, wherein the ultra-high-frequency antenna is integrated into the near-field-communication antenna and is connected on both sides to the near-field-communication antenna by the frequency-filtering means. ### Claim 10 (depends on 1) The device as claimed in claim 1, wherein the first carrier and/or the second carrier consist of printed circuit boards. ### Claim 11 (depends on 1) A portable user apparatus comprising a communication device as claimed in claim 1. ### Claim 12 (depends on 1) An inductive charger for a portable user apparatus comprising a communication device as claimed in claim 1. ### Claim 13 (depends on 1) A motor vehicle comprising a communication device as claimed in claim 1.