PCB antenna

Patent metadata

Field	Value
Publication number	US-10938097-B2
Application number	US-201715629415-A
Country	US
Kind code	B2
Filing date	Jun 21, 2017
Priority date	Jun 21, 2016
Publication date	Mar 2, 2021
Grant date	Mar 2, 2021

Abstract

An antenna ( 200 ) comprises an antenna body ( 212 ). The antenna body is integrally formed as a part of a PCB ( 210 ) and the antenna body is enclosed by metal. The antenna body may be enclosed by printed or plated metal on both top and bottom surfaces of the PCB and by edge plated metal along the circumference of the antenna body.

First claim

The invention claimed is:

1. An antenna, comprising:
a Printed Circuit Board (PCB) comprising at least one layer of dielectric substrate and a metal material,
an antenna body integrally formed as a part of the PCB in that the antenna body is cut out along a majority of its circumference from the PCB,
wherein top and bottom surfaces of the antenna body are covered by plated metal, and a cutting edge of the antenna body has metal edge plating along the circumference of the antenna body such that the antenna body is a three-dimensional metal structure,
wherein the antenna body is separated from the PCB except where the antenna body extends out from an edge of the PCB and the PCB has additional components mounted thereon for direct electrical connection to the antenna body,
wherein the antenna body has an F-shape and is surrounded by the metal material with an air gap between a majority of the circumference of the antenna body and the surrounding metal material, such that the antenna body is isolated from the surrounding metal material of the PCB, and
wherein the antenna is configured for dual band operation in 2 GHz-10 GHz frequencies.

2. The antenna according to claim 1 , wherein the antenna is configured for any one of Bluetooth, Bluetooth Low Energy, Global Position System, Wireless Speaker & Audio, Zigbee, Z-wave, and Wireless Local Area Network applications.

3. A device comprising the antenna according to claim 1 .

4. A transceiver comprising the antenna according to claim 1 .

5. A wireless data acquisition device comprising the transceiver according to claim 4 .

6. The wireless data acquisition device according to claim 5 , further comprising any one of a camera, a Physical Access Control System, a controller, a network video recorder, a home automation device, and a data logger.

Assignees

• Axis Ab

Inventors

• Hovmoller Henrik

Classifications

• H01Q9/0407 Primary

  Substantially flat resonant element parallel to ground plane, e.g. patch antenna (dipole H01Q9/285; monopole H01Q9/40) · CPC title

• H01Q1/38 Primary

  formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface  H01Q15/142)} · CPC title

• H01Q5/371

  Branching current paths · CPC title

• H01Q1/48

  Earthing means; Earth screens; Counterpoises · CPC title

• H01Q1/2291

  used in Bluetooth® or Wi-Fi® devices of Wireless Local Area Networks [WLAN] (H01Q1/241 takes precedence; WLAN in general H04W) · CPC title