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US 7,733,292 B2Granted
FM chip antenna
AssigneeAuden Techno Corp.
InventorsChia-Lun Tang, Sheng-Hong Wang
Life of this patent
Estimating the term…
Abstract
A frequency modulation (FM) chip antenna having a microwave base board printed thereon with a helical radiation metallic member of a single layer or multiple layers, the microwave base board is provided with a feeding point and a grounding point to receive energy in the mode of electromagnetic wave coupling.
Claims3
A frequency modulation (FM) chip antenna comprising:
- a microwave base board having a feeding point and a grounding point;
- a helical radiation metallic member having multiple layers printed on said microwave base board and receiving energy in a mode of electromagnetic wave coupling, said multiple layers of said helical radiation metallic member being electrically connected through a hole located in the microwave base board;
- and
- an adjustable passive element connected with said feeding point and selectively adjusting a resonant band of said antenna in a range from 70 MHz to 108 MHz.
1 more element
Dependencies are inferred from the claim text.