Patent ID: 11923624
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 13:
14. An electronic apparatus comprising:
an antenna device;
a first feeding circuit connected to the antenna device; and
a second feeding circuit connected to the antenna device; wherein
the antenna device includes a first antenna and a second antenna;
the first antenna includes a coupling element including a primary coil and a secondary coil, a first radiating element connected to the primary coil, a second radiating element connected to the secondary coil, and a phase adjuster connected to the second radiating element;
the second antenna includes a third radiating element;
a first feeding circuit is connected to a primary coil side;
a second feeding circuit is connected to the third radiating element; and
the phase adjuster is provided to adjust a phase difference between signals of the first radiating element and the second radiating element in a communication band of the second antenna to be within a range of about 180°±45°.