公开(公告)号：US20190020099A1

公开(公告)日：2019-01-17

申请号：US15778473

申请日：2015-11-30

Applicant: Honeywell International Inc.

Inventor： Kai Wang ,  James Liu ,  Pengjun Zhao ,  Juan Kong

IPC: H01Q1/24 ,  H01Q5/335 ,  H01Q9/42

Abstract: In an embodiment, an apparatus (e.g., a gas detection device) includes a housing, a printed circuit board (PCB), one or more radio modems with a switching network. The housing includes a conductive cover and the cover plays as an antenna. The PCB may be fixed in the housing and includes a ground plane and a plurality of conductive feeds. Each feed are vertically mounted directly or indirectly on the PCB. When the cover is attached to the housing, each of the feeds electrically contact a respective connection point on the antenna. The switching network is to configure which feed should be connected to the radio modem. A extra grounding resistor is mounted or not to change antenna type to enhance the performance of antenna.

公开(公告)号：US20250016962A1

公开(公告)日：2025-01-09

申请号：US18741727

申请日：2024-06-12

Applicant: Honeywell International Inc.

Inventor： Yaqun Liu ,  Qian Yang ,  Jin Chang ,  Kai Wang

IPC: H05K7/20 ,  C09K5/14

Abstract: A thermal interface material including at least a diamond-containing filler; a silicone oil, as well as a plurality of additives.

公开(公告)号：US10658730B2

公开(公告)日：2020-05-19

申请号：US15778473

申请日：2015-11-30

Applicant: Honeywell International Inc.

Inventor： Kai Wang ,  James Liu ,  Pengjun Zhao ,  Juan Kong

IPC: H01Q1/24 ,  H01Q5/335 ,  G08B25/10 ,  G08B25/08 ,  G08B21/14 ,  H01Q9/42 ,  H01Q9/04

Abstract: In an embodiment, an apparatus (e.g., a gas detection device) includes a housing, a printed circuit board (PCB), one or more radio modems with a switching network. The housing includes a conductive cover and the cover plays as an antenna. The PCB may be fixed in the housing and includes a ground plane and a plurality of conductive feeds. Each feed are vertically mounted directly or indirectly on the PCB. When the cover is attached to the housing, each of the feeds electrically contact a respective connection point on the antenna. The switching network is to configure which feed should be connected to the radio modem. A extra grounding resistor is mounted or not to change antenna type to enhance the performance of antenna.