Patent Number: 7,821,467

Title: Tunable antenna module with frequency correction circuit and manufacturing method thereof

Abstract: A tunable antenna module with frequency correction circuit having an antenna element, a variable capacity means connected to the antenna element, and a frequency control source that generates a controlling voltage for varying the capacity of the variable capacity means to vary a tuning frequency according to the frequency of radio wave received by the antenna element. The module further has a voltage divider circuit comprised of resisters for dividing the controlling voltage, and connected between the frequency control source and the variable capacity means. The tuning frequency is corrected by the voltage divider circuit.

Inventors: Sugiyama; Takahiro (Hitachi, JP)

Assignee: Hitachi Cable, Ltd.

International Classification: H01Q 9/00 (20060101)

Expiration Date: 2018-10-26 0:00:00