# US 2025/0158271 A1 · Antenna device, transceiver apparatus, compensator apparatus, vehicle, and method for operating an antenna device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0158271 A1 - Document ID: US20250158271A1 - Status: Published application - Kind: A1 - Application number: 18/720,474 - Filed: 2022-10-27 - Published: 2025-05-15 - Earliest claimed: 2021-12-16 - Assignees: Continental Automotive Technologies GmbH - Applicants: Continental Automotive Technologies GmbH - Inventors: Steffen Kohlhepp; Maximilian Klopfer - Web page: https://patentgrep.com/patent/US20250158271A1 ## CPC - H01Q 1/32: Adaptation for use in or on road or rail vehicles - H04B 1/40: Circuits - H04B 1/3822: specially adapted for use in vehicles (H04B1/3827 takes precedence) - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - H04B: TRANSMISSION ## Abstract An antenna device comprises a transceiver apparatus and a compensator apparatus, wherein a transceiver terminal of the transceiver apparatus is connected by a connecting apparatus to a compensator terminal of the compensator apparatus. The transceiver apparatus comprises a voltage regulator which is configured to provide an output voltage for feeding the compensator apparatus at the transceiver terminal. The antenna device further comprises a feed apparatus configured to capture an actual input voltage present at the compensator terminal, to compare the actual input voltage with a predetermined target input voltage for feeding the compensator apparatus, and to regulate the actual input voltage to the predetermined target input voltage by adjusting the output voltage provided by the voltage regulator. ## Claims ### Claim 1 An antenna device comprising a transceiver apparatus and a compensator apparatus, wherein a transceiver terminal of the transceiver apparatus is connected by a connecting apparatus to a compensator terminal of the compensator apparatus, the transceiver apparatus is configured to output an output signal to be sent and/or receive a received input signal at the transceiver terminal, the compensator apparatus is configured to receive the output signal to be sent at the compensator terminal of the compensator apparatus, to amplify the output signal to be sent by an antenna amplifier unit of the compensator apparatus and to output it at an antenna terminal of the compensator apparatus, and/or to receive the received input signal at the antenna terminal of the compensator apparatus, to amplify the received input signal by the antenna amplifier unit of the compensator apparatus and to output it at the compensator terminal of the compensator apparatus, and the transceiver apparatus comprises a voltage regulator configured to provide an output voltage for feeding the compensator apparatus at the transceiver terminal, wherein the antenna device comprises a feed apparatus configured to capture an actual input voltage present at the compensator terminal, to compare the actual input voltage with a predetermined target input voltage for feeding the compensator apparatus, and to regulate the actual input voltage to the predetermined target input voltage by adjusting the output voltage provided by the voltage regulator. ### Claim 2 (depends on 1) The antenna device as claimed in claim 1, wherein the compensator apparatus comprises a compensator measuring unit of the feed apparatus configured to capture the actual input voltage present at the compensator terminal, and to send a value of the captured actual input voltage in an actual voltage signal via the connecting apparatus to a transceiver regulator unit of the feed apparatus in the transceiver apparatus, and the transceiver regulator unit is configured to receive the actual voltage signal and to control the voltage regulator to adjust the output voltage provided by the voltage regulator in order to regulate the actual input voltage to the target input voltage. ### Claim 3 (depends on 1) The antenna device as claimed in claim 1, wherein the connecting apparatus comprises a coaxial cable. ### Claim 4 (depends on 2) The antenna device as claimed in claim 2, wherein the feed apparatus is configured to transmit the signal according to a UART standard. ### Claim 5 (depends on 1) The antenna device as claimed in claim 1, wherein the feed apparatus is configured to capture the actual input voltage present at the compensator terminal when the antenna amplifier unit is switched from a reception mode to a transmission mode and/or from the transmission mode to the reception mode and to send a value of the respectively captured actual input voltage in a respective actual voltage signal via the connecting apparatus to a transceiver regulator unit of the feed apparatus in the transceiver apparatus. ### Claim 6 (depends on 1) The transceiver apparatus of an antenna device as claimed in claim 1, wherein the transceiver apparatus is configured to output an output signal to be sent and/or receive a received input signal at the transceiver terminal, the transceiver apparatus comprises a voltage regulator configured to provide an output voltage for feeding a compensator apparatus at the transceiver terminal, and the transceiver apparatus comprises a transceiver regulator unit configured to receive an actual voltage signal which comprises a value of a captured actual input voltage at a compensator terminal of the compensator apparatus and to compare the actual input voltage with a predetermined target input voltage for feeding the compensator apparatus, and to regulate the actual input voltage by adjusting the output voltage provided by the voltage regulator to the predetermined target input voltage. ### Claim 7 (depends on 1) The compensator apparatus of an antenna device as claimed in claim 1, wherein the compensator apparatus is configured to receive an output signal to be sent at the compensator terminal of the compensator apparatus, to amplify the output signal to be sent by an antenna amplifier unit of the compensator apparatus and to output it at an antenna terminal of the compensator apparatus, and/or to receive a received input signal at the antenna terminal of the compensator apparatus, to amplify the received input signal by the antenna amplifier unit of the compensator apparatus and to output it at the compensator terminal of the compensator apparatus, and the compensator apparatus comprises a compensator measuring unit of a feed apparatus configured to capture the actual input voltage present at the compensator terminal, and to send a value of the captured actual input voltage in an actual voltage signal via the connecting apparatus to a transceiver regulator unit of the feed apparatus in the transceiver apparatus. ### Claim 8 (depends on 1) A vehicle comprising at least one antenna device as claimed in claim 1. ### Claim 9 (depends on 1) A method for operating an antenna device as claimed in claim 1, comprising the steps of: providing an output voltage for feeding a compensator apparatus at a transceiver terminal of a transceiver apparatus by a voltage regulator of the transceiver apparatus, wherein the transceiver terminal is connected by a connecting apparatus to a compensator terminal of the compensator apparatus, capturing an actual input voltage present at the compensator terminal by a feed apparatus of the antenna device, comparing the actual input voltage present at the compensator terminal with a predetermined target input voltage for feeding the compensator apparatus, and adjusting the output voltage provided by the voltage regulator by the feed apparatus in order to regulate the actual input voltage to the predetermined target input voltage. ### Claim 10 (depends on 2) The antenna device as claimed in claim 2, wherein the connecting apparatus comprises a coaxial cable. ### Claim 11 (depends on 2) The antenna device as claimed in claim 2 wherein the feed apparatus is configured to capture the actual input voltage present at the compensator terminal when the antenna amplifier unit is switched from a reception mode to a transmission mode and/or from the transmission mode to the reception mode and to send a value of the respectively captured actual input voltage in a respective actual voltage signal via the connecting apparatus to a transceiver regulator unit of the feed apparatus in the transceiver apparatus. ### Claim 12 (depends on 2) The transceiver apparatus of an antenna device as claimed in claim 2 wherein the transceiver apparatus is configured to output an output signal to be sent and/or receive a received input signal at the transceiver terminal, the transceiver apparatus comprises a voltage regulator configured to provide an output voltage for feeding a compensator apparatus at the transceiver terminal, and the transceiver apparatus comprises a transceiver regulator unit configured to receive an actual voltage signal which comprises a value of a captured actual input voltage at a compensator terminal of the compensator apparatus and to compare the actual input voltage with a predetermined target input voltage for feeding the compensator apparatus, and to regulate the actual input voltage by adjusting the output voltage provided by the voltage regulator to the predetermined target input voltage. ### Claim 13 (depends on 2) The compensator apparatus of an antenna device as claimed in claim 2 wherein the compensator apparatus is configured to receive an output signal to be sent at the compensator terminal of the compensator apparatus, to amplify the output signal to be sent by an antenna amplifier unit of the compensator apparatus and to output it at an antenna terminal of the compensator apparatus, and/or to receive a received input signal at the antenna terminal of the compensator apparatus, to amplify the received input signal by the antenna amplifier unit of the compensator apparatus and to output it at the compensator terminal of the compensator apparatus, and the compensator apparatus comprises a compensator measuring unit of a feed apparatus configured to capture the actual input voltage present at the compensator terminal, and to send a value of the captured actual input voltage in an actual voltage signal via the connecting apparatus to a transceiver regulator unit of the feed apparatus in the transceiver apparatus. ### Claim 14 (depends on 2) The antenna device as claimed in claim 2, wherein the connecting apparatus comprises a coaxial cable, the feed apparatus is configured to transmit the signal according to a UART standard, and the feed apparatus is configured to capture the actual input voltage present at the compensator terminal when the antenna amplifier unit is switched from a reception mode to a transmission mode and/or from the transmission mode to the reception mode and to send a value of the respectively captured actual input voltage in a respective actual voltage signal via the connecting apparatus to a transceiver regulator unit of the feed apparatus in the transceiver apparatus. ### Claim 15 (depends on 14) The transceiver apparatus of an antenna device as claimed in claim 14, wherein the transceiver apparatus is configured to output an output signal to be sent and/or receive a received input signal at the transceiver terminal, the transceiver apparatus comprises a voltage regulator configured to provide an output voltage for feeding a compensator apparatus at the transceiver terminal, and the transceiver apparatus comprises a transceiver regulator unit configured to receive an actual voltage signal which comprises a value of a captured actual input voltage at a compensator terminal of the compensator apparatus and to compare the actual input voltage with a predetermined target input voltage for feeding the compensator apparatus, and to regulate the actual input voltage by adjusting the output voltage provided by the voltage regulator to the predetermined target input voltage. ### Claim 16 (depends on 14) The compensator apparatus of an antenna device as claimed in claim 14, wherein the compensator apparatus is configured to receive an output signal to be sent at the compensator terminal of the compensator apparatus, to amplify the output signal to be sent by an antenna amplifier unit of the compensator apparatus and to output it at an antenna terminal of the compensator apparatus, and/or to receive a received input signal at the antenna terminal of the compensator apparatus, to amplify the received input signal by the antenna amplifier unit of the compensator apparatus and to output it at the compensator terminal of the compensator apparatus, and the compensator apparatus comprises a compensator measuring unit of a feed apparatus configured to capture the actual input voltage present at the compensator terminal, and to send a value of the captured actual input voltage in an actual voltage signal via the connecting apparatus to a transceiver regulator unit of the feed apparatus in the transceiver apparatus. ### Claim 17 (depends on 14) A vehicle comprising at least one antenna device as claimed in claim 14.