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    • 6. 发明公开
    • ADAPTING APPARATUS, ELECTRONIC DEVICE, TERMINAL, AND ADAPTING APPARATUS MANUFACTURING METHOD
    • EP4322322A1
    • 2024-02-14
    • EP22783893.5
    • 2022-03-25
    • Huawei Technologies Co., Ltd.
    • PENG, JieTAO, JunTANG, Chuankang
    • H01P5/107H01P5/08
    • This application relates to the radio frequency field and provides a transition apparatus, an electronic device, a terminal, and a preparation method of the transition apparatus, for example, an antenna structure of a sensor like a radar, to resolve a connection problem between a microstrip line and a waveguide. The transition apparatus provided in this application includes a base board, a coupling cavity, and a resonant cavity. The base board has a through slot that penetrates through a first board surface and a second board surface, and an inner wall of the through slot is provided with a conducting layer. The coupling cavity is disposed on the first board surface of the base board, and the coupling cavity is coupled to a first end of the through slot. The waveguide may be coupled to a second end of the through slot, so that the coupling cavity and the waveguide may be coupled through the through slot. The resonant cavity is disposed on the first board surface of the base board, and the resonant cavity has at least one slit and a connecting end. The slit is coupled to the coupling cavity, and the connecting end of the resonant cavity is connected to the microstrip line. Through the through slot, an electromagnetic signal may be transmitted between the first board surface and the second board surface that are of the base board, and this implements a different-plane transmission effect.