公开(公告)号：EP4391217A1

公开(公告)日：2024-06-26

申请号：EP23218538.9

申请日：2023-12-20

Applicant: HJWAVE Co., Ltd.

Inventor： YOO, Tae Hwan ,  KIM, Sung Hwan

IPC: H01P5/02 ,  H01P5/08 ,  H01Q13/06 ,  H01Q21/08 ,  H01Q21/29 ,  H01P5/12 ,  H01P3/123

CPC classification number: H01Q21/08 ,  H01Q21/29 ,  H01Q13/06 ,  H01P5/082 ,  H01P3/123 ,  H01P5/024 ,  H01P5/12

Abstract: The present disclosure is to provide a waveguide antenna to which a horn-type horizontal distribution divider structure is applied, and the waveguide antenna according to the present disclosure may comprise the first layer having a power feeder provided in the horizontal direction and the horizontal divider connected to the power feeder and provided in the horizontal direction, the second layer including the first divider power feeder connected to the first layer and connected to one side of the horizontal divider through the first through hole, the second divider power feeder connected to the other side of the horizontal divider through the second through hole, the first and second radio wave radiating units connected to the first divider power feeder, and the third and fourth radio wave radiating units connected to the second divider power feeder.

公开(公告)号：EP4391215A1

公开(公告)日：2024-06-26

申请号：EP23219026.4

申请日：2023-12-21

Applicant: HJWAVE Co., Ltd.

Inventor： YOO, Tae Hwan ,  KIM, Sung Hwan

IPC: H01P1/04 ,  H01P5/02

CPC classification number: H01P5/024 ,  H01P1/042

Abstract: Provided is the broadband transition structure with mixed contact and non-contact protrusions having a first substrate and a second substrate which are adjacent to each other and transmitting a radio wave through a waveguide, in which the first substrate comprises a flat first side, a second side opposite to the first side, a first waveguide provided between the first side and the second side, a third side provided between the first side and the second side as a periphery of the first waveguide, a fourth side connecting the first side and the third side, a plurality of contact protrusions extending from the third side and contacting the second substrate, and a plurality of non-contact protrusions extending from the third side and non-contacting the second substrate.

公开(公告)号：EP4092830A1

公开(公告)日：2022-11-23

申请号：EP22172795.1

申请日：2022-05-11

Applicant: HJWAVE Co., Ltd.

Inventor： YOO, Tae Hwan

IPC: H01Q21/00 ,  H01Q1/32 ,  G01S7/03 ,  G01S13/931

Abstract: According to an embodiment, a multi-layer antenna structure comprises a printed circuit board including an IC for processing an RF signal, a feeding line connected to the IC, and a feeding pad connected to the feeding line, a conductive lower layer tightly contacting the printed circuit board and including a feeding hole in an area connected with the feeding pad and vertically open and a waveguide connected to the feeding hole and disposed on an upper surface thereof, and a conductive upper layer tightly contacting the conductive lower layer and including an antenna slot pattern in an area corresponding to the waveguide and vertically open. The waveguide may include a bottom surface positioned lower than an upper surface thereof, a side surface extending from each of two opposite ends of the bottom surface to the upper surface, and a protrusion protruding upward from a center portion of the bottom surface.