-
公开(公告)号:US20240195481A1
公开(公告)日:2024-06-13
申请号:US18585066
申请日:2024-02-23
Applicant: DELTA ELECTRONICS, INC.
Inventor: Chieh-Tsao HWANG , Siang-Rong HSU , Yen-Ting CHEN
CPC classification number: H04B7/0695 , H01Q3/24 , H01Q21/28
Abstract: A communication system is disclosed. The communication system includes an active antenna set and a passive antenna set. The active antenna set includes at least one active antenna array, the at least one active antenna array is configured to transmit a first signal through at least one active beam group, and the at least one active beam group covers a first coverage area with a first coverage angle. The passive antenna set includes at least one passive antenna subset, the at least one passive antenna subset is configured to transmit a second signal through at least one passive beam group, and the at least one passive beam group covers a second coverage area with a second coverage angle. The first coverage area and the second coverage area do not overlap.
-
公开(公告)号:US20230068213A1
公开(公告)日:2023-03-02
申请号:US17655554
申请日:2022-03-21
Applicant: DELTA ELECTRONICS, INC.
Inventor: Chieh-Tsao HWANG , Yen-Ting CHEN , Siang-Rong HSU
Abstract: An antenna array device is provided, which includes a ground plate, a substrate, an antenna array, and multiple patch elements. The substrate is disposed on the ground plate. The antenna array is disposed on the substrate. And the multiple patch elements are disposed on the substrate and arranged around the antenna array, and the multiple patch elements are floating (not connected to the ground plate).
-
公开(公告)号:US20220368034A1
公开(公告)日:2022-11-17
申请号:US17450069
申请日:2021-10-05
Applicant: DELTA ELECTRONICS, INC.
Inventor: Chieh-Tsao HWANG , Yen-Ting CHEN , Siang-Rong HSU
Abstract: An antenna array device provided, which includes a substrate, multiple antenna elements, a metal ground plate and a first isolation unit group. The multiple antenna elements are disposed on a first surface of the substrate. The multiple antenna elements have a first polarization direction and a second polarization direction opposite to the first polarization direction. The first isolation unit group is disposed between adjacent two of the multiple antenna elements. An arrangement direction of the first isolation unit group is perpendicular to the first polarization direction and the second polarization direction. The first isolation unit group is two isolation units which are adjacent, each of which comprises an outer end and an inner end opposite to the outer end. The inner end is connected to the metal ground plate disposed on a second surface of the substrate via a second via.
-
公开(公告)号:US20240275032A1
公开(公告)日:2024-08-15
申请号:US18451845
申请日:2023-08-18
Applicant: DELTA ELECTRONICS, INC.
Inventor: Chieh-Tsao HWANG , Siang-Rong HSU , Yen-Ting CHEN
Abstract: An antenna structure, which comprises a substrate, a ground plane and an antenna element. The substrate comprises a first surface and a second surface opposite to the first surface. The ground plane comprises a ground branch. The antenna element comprises a feed-in body, a radiating body and a short circuit part. The feed-in body is configured for receiving a feed-in signal, wherein projection of a part of the feed-in body to the first surface overlaps with the ground plane. The radiating body comprises a first radiating part and a second radiating part connected to the first radiating part. The short circuit part is connected to the second radiating part, and configured for connecting the ground plane through a via hole.
-
公开(公告)号:US20230361462A1
公开(公告)日:2023-11-09
申请号:US17929751
申请日:2022-09-06
Applicant: DELTA ELECTRONICS, INC.
Inventor: Chieh-Tsao HWANG , Siang-Rong HSU , Yen-Ting CHEN
Abstract: An antenna structure is provided, which includes a substrate, a ground layer, a multi-branch circuit, and multiple antenna elements. The substrate includes a first surface and a second surface. The ground layer is disposed between the first surface and the second surface. The multi-branch circuit is disposed on the first surface, wherein the multi-branch circuit includes a signal feeding terminal and multiple signal output terminals, wherein multiple feeding branches are formed between the signal feeding terminal and the multiple signal output terminals. The multiple antenna elements is disposed on the second surface, wherein the multiple antenna elements are connected to the multiple signal output terminals through respective via holes, and are configured for beamforming, wherein a length difference between path lengths of the feed branches of two adjacent antenna elements in a horizontal direction is configured for controlling a beam angle of the multiple antenna elements.
-
公开(公告)号:US20220014243A1
公开(公告)日:2022-01-13
申请号:US17158019
申请日:2021-01-26
Applicant: DELTA ELECTRONICS, INC.
Inventor: Chieh-Tsao HWANG , Yen-Ting CHEN
IPC: H04B7/06
Abstract: The present disclosure relates to a beamforming device, including a transceiver circuit, a switch circuit and a beam former. The switch circuit is electrically connected to the transceiver circuit. The beam former contains a plurality of antenna units. The antenna units receive and send signals according to multiple radiation angles, and the radiation angle of each antenna unit is different. The switch circuit selectively conducts one of the antenna units to the transceiver circuit according to a control signal.
-
公开(公告)号:US20210028554A1
公开(公告)日:2021-01-28
申请号:US16570688
申请日:2019-09-13
Applicant: Delta Electronics, Inc.
Inventor: Chieh-Tsao HWANG , Yen-Ting CHEN
Abstract: An antenna array includes a plurality of antenna elements disposed on the same plane. The antenna elements are arranged to form a symmetrical pattern. The symmetrical pattern is neither square nor rectangular. The antenna elements have the same output power. The radiation pattern of the antenna array includes a main lobe and a side lobe. The main lobe is higher than the side lobe by at least 18 dB.
-
公开(公告)号:US20220336958A1
公开(公告)日:2022-10-20
申请号:US17450556
申请日:2021-10-11
Applicant: DELTA ELECTRONICS, INC.
Inventor: Chieh-Tsao HWANG , Siang-Rong HSU , Yen-Ting CHEN
Abstract: An antenna structure is provided, which includes a substrate, an antenna unit and a metal ground. The substrate includes a first surface and a second surface; the antenna unit disposed on the first surface includes a radiation part, a feeding part and a feeding line, where the feeding line includes a first transmission line and a second transmission line that are perpendicular to each other and connected to each other, and the first transmission line is connected to the radiation part via the feeding part; and the metal ground disposed on the second surface has an edge which is perpendicular to projection of the radiation part to the metal ground; and a resonance slot is disposed on the metal ground, and its position corresponds between projection of the second transmission line to the metal ground and the edge.
-
公开(公告)号:US20210029821A1
公开(公告)日:2021-01-28
申请号:US16568867
申请日:2019-09-12
Applicant: Delta Electronics, Inc.
Inventor: Chieh-Tsao HWANG , Yen-Ting CHEN
Abstract: A communication device includes a ground plane, an antenna array, and an EBG (Electromagnetic Band Gap) structure. The antenna array includes a plurality of antenna elements. The EBG structure includes a plurality of EBG units. The EBG units are coupled to the ground plane. The antenna array is surrounded by the EBG structure. The EBG structure is configured to suppress the front-to-back ratio of the radiation efficiency of the antenna array.
-
公开(公告)号:US20210028559A1
公开(公告)日:2021-01-28
申请号:US16904521
申请日:2020-06-17
Applicant: DELTA ELECTRONICS, INC.
Inventor: Chieh-Tsao HWANG , Yen-Ting CHEN
Abstract: A dual polarized antenna includes a first antenna unit and an isolated band gap. The first antenna unit is formed on the dielectric board, and the first antenna unit being conducted is configured to receive or transmit a signal with each of a first polarized direction and a second polarized direction. The isolated band gap is formed on the dielectric board and is disposed adjacent to the first antenna unit. It forms a first included angle which is neither 0° nor 90° between the first polarized direction and the isolated band gap.
-
-
-
-
-
-
-
-
-