Patent ID: 11881616
Assignee: INVENTEC APPLIANCES CORPORATION
Field: Telecommunications (Electrical engineering)
Classification: CPC H  A | IPC H

Claim 0:
1. A smart ring, comprising:
an antenna chip; and
a metal ring used as an antenna and electrically connected to the antenna chip to form an antenna circuit;
wherein, the metal ring is provided with only one opening, the metal ring comprises an input point and an output point, the input point and the output point are respectively located on two sides of the opening and electrically connected to the antenna chip, the antenna circuit further comprises a first filter and a second filter to shield high frequency signal and allow low frequency signal to pass through, the antenna circuit further comprises a third filter and a fourth filter to shield low frequency signal and allow high frequency signal to pass through;
the antenna chip comprises at least one high frequency antenna chip, wherein the third filter has a first end electrically connected to the high frequency antenna chip and a second end, the fourth filter has a first end electrically connected to the second end of the third filter through the metal ring and a second end grounded.