Housing, antenna device and mobile terminal

Patent metadata

Field	Value
Publication number	US-10886597-B2
Application number	US-201715798823-A
Country	US
Kind code	B2
Filing date	Oct 31, 2017
Priority date	Mar 21, 2016
Publication date	Jan 5, 2021
Grant date	Jan 5, 2021

Abstract

A housing is provided. The housing includes a first housing area, a second housing area, a slit strip and a connecting segment, the slit strip includes at least one slit, the first housing area and the second housing area are located at two sides of the slit strip, the connecting segment are located at an extending path of the slit strip, the connecting segment electrically conductively couples the first housing area and the second housing area. An antenna device and a mobile terminal are also provided by the present disclosure.

First claim

What is claimed is:

1. A metal housing comprising a first housing area, a second housing area, a slit strip and a common housing area, the slit strip comprising at least one slit, the common housing area being located at an extending path of the slit strip and forming a linear segment together with the slit strip, the first housing area and the second housing area being located at two sides of the linear segment, the common housing area electrically conductively coupling the first housing area and the second housing area, and the common housing area being electrically coupled with a matching circuit, so as to allow the common housing area, the first housing area and the second housing area to serve as a radiation part,
wherein the housing further comprises a third housing area, another slit strip and another common housing area, the another slit strip defines at least one slit, the another common housing area is located at an extending path of the another slit strip and forming another linear segment together with the another slit strip, the second housing area and the third housing area are located at two sides of the another linear segment, and
wherein the housing comprises a first side, a second side, a third side and a fourth side which are connected in sequence, the first side is opposite to the third side, the second side is opposite to the fourth side, the slit strip comprises a first open end and a first closed end opposite to each other, the first open end is located on the first side, and the first closed end of the slit strip extends from the first side to the third side, and the common housing area is located between the first closed end and the third side; the another slit strip comprises a second open end and a second closed end opposite to each other, the second open end is located on the third side, the second closed end of the another slit strip extends from the third side to the first side, and the another common housing area is located between the second closed end and the first side.

2. The housing according to claim 1 , wherein the slit strip has an end adjacent to the common housing area and connected with the common housing area.

3. The housing according to claim 2 , wherein the end is directly connected with the common housing area.

4. The housing according to claim 1 , wherein the slit strip has an end adjacent to the common housing area and isolated from the common housing area.

5. The housing according to claim 4 , wherein the end is isolated from the common housing area by an insulator.

6. The housing according to claim 1 , wherein the amount of the slit is at least two, the at least two slits are parallel to and spaced apart from each other, a metal strip is provided between the two adjacent slits.

7. The housing according to claim 6 , wherein a width of the slit is 0.01 mm; or
the width of the slit is 0.5 mm; or
the width of the slit is 0.01 mm to 0.5 mm.

8. An antenna device comprising a radio frequency transceiver circuit, a matching circuit and a housing, wherein the housing is made from a conducting material, the housing comprises a first housing area, a second housing area, a slit strip and a common housing area, the slit strip comprises at least one slit, the common housing area is located at an extending path of the slit strip and forms a linear segment together with the slit strip, the first housing area and the second housing area are located at two sides of the linear segment, the matching circuit is electrically coupled between the radio frequency transceiver circuit and the housing, the common housing area is electrically connected between the first housing area and the second housing area, the first housing area and the second housing area each are metal materials, the common housing area is electrically coupled with the matching circuit, so as to allow the common housing area, the first housing area and the second housing area to serve as a radiation part,
wherein the amount of the slit is at least two, the at least two slits are parallel to and spaced apart from each other, a metal strip is provided between the two adjacent slits,
wherein the slit strip has an end adjacent to the common housing area and isolated from the common housing area, and
wherein the antenna device further comprises a switch, the switch is connected with one metal strip of the slit strip and is configured to turn on or off electrical connection between the radiation part and the metal strip.

9. The antenna device according to claim 8 , wherein the switch comprises a moving contact and a fixed contact, the moving contact is electrically connected with the radiation part, and the fixed contact is electrically connected with the metal strip, the moving contact is connected with the fixed contact or disconnected from the fixed contact, thereby turning on or off the electrical connection between the radiation part and the metal strip.

10. The antenna device according to claim 9 , wherein the amount of the fixed contact of the switch is one, the one fixed contact is electrically connected with one metal strip.

11. The antenna device according to claim 9 , wherein the amount of the fixed contact of the switch is two, the two fixed contacts are electrically connected with two metal strips.

12. The antenna device according to claim 8 , wherein the housing further comprises a third housing area, another slit strip and another common housing area, the another slit strip defines at least one slit, the another common housing area is located at an extending path of the another slit strip and forming another linear segment together with the another slit strip, the second housing area and the third housing area are located at two sides of the another linear segment, and
wherein the housing comprises a first side, a second side, a third side and a fourth side which are connected in sequence, the first side is opposite to the third side, the second side is opposite to the fourth side, the slit strip comprises a first open end and a first closed end opposite to each other, the first open end is located on the first side, and the first closed end of the slit strip extends from the first side to the third side, and the common housing area is located between the first closed end and the third side; the another slit strip comprises a second open end and a second closed end opposite to each other, the second open end is located on the third side, the second closed end of the another slit strip extends from the third side to the first side, and the another common housing area is located between the second closed end and the first side.

13. The antenna device according to claim 8 , wherein a width of the slit is 0.01 mm; or
the width of the slit is 0.5 mm; or
the width of the slit is 0.01 mm to 0.5 mm.

14. A mobile terminal comprising:
a mainboard;
a battery; and
an antenna device, comprising a radio frequency transceiver circuit, a matching circuit and a housing, the radio frequency transceiver circuit and the matching circuit being arranged on the mainboard, and the matching circuit being electrically connected between the radio frequency transceiver circuit and the housing, and the housing comprising: a first housing area, a second housing area, a slit strip and a common housing area, the slit strip comprising at least one metal strip, the common housing area being located at an extending path of the slit strip and forming a linear segment together with the slit strip, the first housing area and the second housing area being located at two sides of the linear segment, the common housing area electrically conductively coupling the first housing

Assignees

• Guangdong Oppo Mobile Telecommunications Corp Ltd

Inventors

• Hu Shasha
• Zhao Ning
• Xiang Shengzhao

Classifications

• H01Q1/44 Primary

  using equipment having another main function to serve additionally as an antenna {, e.g. means for giving an antenna an aesthetic aspect}(H01Q1/27 - H01Q1/34 take precedence) · CPC title

• H05K5/04

  Metal casings · CPC title

• H01Q1/243

  with built-in antennas · CPC title

• H01Q21/28

  Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} · CPC title

• H01Q21/30

  Combinations of separate antenna units operating in different wavebands and connected to a common feeder system · CPC title