Patent ID: 11901611
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An antenna device comprising:
a first radiating element;
a second radiating element;
a first coil including a first end connected to a power supply circuit and a second end connected to the first radiating element;
a second coil including a first end connected to the second radiating element and a second end connected to ground and is electromagnetically coupled to the first coil;
a first phase adjusting element including a first end connected to the power supply circuit and a second end connected to the ground to adjust a phase difference between a first current flowing through the first radiating element and a second current flowing through the second radiating element; and
a second phase adjusting element including a first end connected to the first end of the second coil and a second end connected to the ground to adjust the phase difference between the first current flowing through the first radiating element and the second current flowing through the second radiating element.