IP Library Granted Patent US 8,639,304
Granted Patent B2
US 8,639,304 · App. 13/614,586 · Granted Jan 28, 2014

Method of controlling a plurality of internal antennas in a mobile communication device

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Quick Facts
Patent No.
US 8,639,304
App. No.
13/614,586
Granted
Jan 28, 2014
Kind
B2
Abstract

In one embodiment, a mobile communication device comprises a first antenna; a second antenna; a transceiver for processing a received signal and generating a transmit signal; and a controller, based on a detected condition of one of the first antenna or second antenna, for selecting the other one of said first antenna or said second antenna and coupling the transmit signal to the selected other one of said first antenna or said second antenna.

Claims (20)

1. A mobile communication device comprising:

a first antenna operable to receive a first received signal, said first antenna being disposed substantially in a plane and having a first polarity;

a second antenna operable to receive a second received signal, said second antenna being disposed substantially coplanar with said first antenna and having a second polarity substantially orthogonal to said first polarity;

a transceiver operably connected to said first antenna and to said second antenna; and

a controller operably connected to a memory having instructions that when executed by said controller generates, based on determining that one of the first received signal and the second received signal is weak, a resultant received signal from a remaining signal of the first received signal and the second received signal.

2. The mobile communication device of claim 1 wherein said first antenna and said second antenna have locations at opposed ends of the mobile communication device.

3. The mobile communication device of claim 2 wherein said locations provide for high antenna system efficiency for a holding position adjacent said first antenna.

4. The mobile communication device of claim 1 wherein the mobile communication device is a data communication device.

5. The mobile communication device of claim 1 wherein the mobile communication device is a multifunction communication device having voice and data communication capabilities.

6. The mobile communication device of claim 1 wherein the mobile communication device is a personal digital assistant (PDA).

7. The mobile communication device of claim 1 wherein the mobile communication device is a computer.

8. The mobile communication device of claim 7 wherein the computer is a laptop computer.

9. A method of operating a mobile communications device having a housing, a wireless transceiver and a plurality of antennas connected to the wireless transceiver, the method comprising:

determining a strength of a first signal received via a first antenna disposed substantially in a plane and having a first polarity;

determining a strength of a second signal received via a second antenna disposed substantially co-planar with the first antenna and having a second polarity substantially orthogonal to the first polarity; and

based on determining that one of the first signal and the second signal is weak, generating a resultant received signal from a remaining signal of the first and second signals.

10. The method of claim 9 wherein a signal transformation technique is operable to manipulate the remaining signal to generate the resultant received signal.

11. The method of claim 10 wherein the signal transformation technique is operable to attenuate the remaining signal to generate the resultant received signal.

12. The method of claim 10 wherein the signal transformation technique is operable to amplify the remaining signal to generate the resultant received signal.

13. The method of claim 9 wherein the resultant received signal is identical to one of the first and second received signals.

Assignments (2)
CHANGE OF NAME Recorded Sep 30, 2013
From: RESEARCH IN MOTION LIMITED
To: BLACKBERRY LIMITED
Reel/Frame 031315/0342 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 13, 2012
From: KEZYS, VYTAUTAS ROBERTAS; QI, YIHONG
To: RESEARCH IN MOTION LIMITED
Reel/Frame 028957/0473 →