Patent ID: 11870477
Assignee: SENSORTEK TECHNOLOGY CORP.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. A transmission structure of antenna and proximity sensing circuit, comprising:
a transmission line, having a first coupling end and a second coupling end, said first coupling end coupled to an antenna, and said second coupling end coupled to a proximity sensing circuit;
a plurality of radio-frequency short-circuit elements, coupled between said transmission line and a ground, and located between said antenna and said proximity sensing circuit; and
a selection circuit, coupled between said radio-frequency short-circuit elements and said ground, and selecting one of said radio-frequency short-circuit elements to be coupled to said ground;
wherein said transmission line is not straight; said transmission line includes a plurality of depression parts; and said radio-frequency short-circuit elements are located at said depression parts, respectively.