Antenna module for a vehicle

A compact vehicle antenna module integrates AM/FM and phone antennas on a PCB, utilizing a horizontal wire for dual functionality, addressing the size and visibility issues of traditional shark fin antennas by enabling placement on non-roof vehicle locations.

WO2026125458A1 Publication Date: 2026-06-18CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH
Filing Date
2025-12-10
Publication Date
2026-06-18

AI Technical Summary

⚠Technical Problem

Existing vehicle antennas are typically large and visible, limiting their placement options to the roof, which is undesirable for aesthetic and functional reasons.

⚗Method used

A compact antenna module comprising a PCB with integrated primary and secondary phone antennas, an AM/FM antenna with a horizontal wire, and a circular horizontal wiring that functions as a phone antenna, allowing placement on non-roof locations using surface currents and inductive elements to suppress high frequencies.

🎯Benefits of technology

Enables a smaller, less visible antenna solution that can operate across multiple frequency bands, including 3G/4G/5G, by leveraging the AM/FM wire for dual functionality as a phone antenna, reducing visibility and expanding placement options.

✦ Generated by Eureka AI based on patent content.

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Abstract

An antenna module for a vehicle is provided, which comprises a PCB, a primary phone antenna, a secondary phone antenna and an AM / FM antenna comprising a horizontal AM / FM wire extending from said PCB. The AM / FM wire comprises a circular horizontal wiring. The primary phone antenna and the secondary phone antenna are arranged at opposite sides of the PCB. The secondary phone antenna and the AM / FM antenna are electrically connected into a single transmission line on the PCB. A distance between the circular horizontal wiring and the secondary metal sheet is between 10 cm and 50 cm. A number of turns in said circular horizontal wiring is between 3 and 20. Furthermore, a vehicle with such an antenna module is provided.
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