Wideband antenna device with extended ground plane in a portable device

Patent 7319433 Issued on January 15, 2008. Estimated Expiration Date:

June 11, 2023. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

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Inventors

Assignee

Sony Ericsson Mobile Communications AB

Application

No. 10517902 filed on 06/11/2003

US Classes:

343/702, With radio cabinet343/866, Loop type343/846, With grounding structure (including counterpoises)343/741, High frequency type loops455/274, Loop or coil antenna700/84, Keyboard343/700MSMicrostrip

Examiners

Primary: Owens, Douglas W.
Assistant: Le, Tuan

Attorney, Agent or Firm

Myers Bigel Sibley & Sajovec, P.A.

Foreign Patent References

01/76006 WO 10/01/2001

International Class

H01Q 1/24

Abstract

An antenna device for a portable device has an antenna loop of conducting material to be connected to radio circuitry in the portable device. The antenna loop is positioned opposite a ground plane of a PCB. Also, the antenna device also comprises at least one battery, which is positioned in the extension of a first side of the PCB, and acts as an extension of the ground plane of the PCB.