Radio communication apparatus

Abstract

A radio communication apparatus includes a housing; a battery for driving the radio communication apparatus; an antenna provided in the housing and arranged around the battery; and a magnetic sheet arranged around the battery.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram showing a magnetic sheet mounted in a cellular phone of the related art;

FIG. 2 is a schematic diagram showing a magnetic sheet mounted in a cellular phone according to a preferred embodiment of the present invention;

FIG. 3 is an exploded perspective diagram showing the mounting of the magnetic sheet in the cellular phone according to the preferred embodiment of the present invention;

FIG. 4 is a schematic diagram showing the current flow when an antenna is arranged around a battery according to the related art;

FIG. 5 is a diagram showing a magnetic field distribution when a magnetic sheet is bonded to a battery cover according to the related art;

FIG. 6 is a diagram showing a magnetic field distribution when a magnetic sheet is arranged around a battery according to the embodiment of the present invention; and

FIG. 7 is a hardware block diagram of an IC section 201.

Claims

1. A radio communication apparatus, comprising: a housing;a battery for driving the radio communication apparatus;an antenna provided in the housing; anda magnetic sheet arranged around the battery.

2. The radio communication apparatus according to claim 1, wherein the antenna is arranged around the battery.

3. The radio communication apparatus according to claim 2, wherein the antenna is in the form of a loop, and is arranged so as to surround the battery.

4. The radio communication apparatus according to claim 3, wherein the magnetic sheet is arranged inside the loop of the antenna.

5. The radio communication apparatus according to claim 4, wherein the magnetic sheet is arranged so as to be spaced from the battery.

6. The radio communication apparatus according to claim 5, wherein the magnetic sheet is further arranged to be spaced from the antenna.

7. The radio communication apparatus according to claim 6, wherein the magnetic sheet is bonded to the housing of the radio communication apparatus.

8. The radio communication apparatus according to claim 1, wherein the magnetic sheet is arranged around the side surface of the battery.

9. The radio communication apparatus according to claim 8, wherein the magnetic sheet is in the form of a loop.

10. The radio communication apparatus according to claim 9, wherein the magnetic sheet is arranged so as to surround the battery.

11. The radio communication apparatus according to claim 1, wherein the magnetic sheet is in the form of a loop.

12. The radio communication apparatus according to claim 11, wherein the magnetic sheet is arranged so as to surround the battery.

13. The radio communication apparatus according to claim 4, wherein the magnetic sheet is in the form of a loop.

14. The radio communication apparatus according to claim 13, wherein the magnetic sheet is arranged so as to surround the battery.

15. The radio communication apparatus according to claim 14, wherein the magnetic sheet is arranged so as to be spaced from the battery.

16. The radio communication apparatus according to claim 15, wherein the magnetic sheet is further arranged to be spaced from the antenna.

17. The radio communication apparatus according to claim 16, wherein the magnetic sheet is bonded to the housing of the radio communication apparatus.

18. The radio communication apparatus according to claim 1, wherein the magnetic sheet shields the antenna form a magnetic field induced by the battery.

19. A radio communication apparatus, comprising: a housing;a battery for driving the radio communication apparatus;an antenna provided in the housing and arranged around the battery; anda sheet arranged between the antenna and the battery, for shielding the antenna form a magnetic field induced by the battery.