Electronic device with antenna for wireless communication

• US 20050170862A1
• Filed: 09/27/2004
• Published: 08/04/2005
• Est. Priority Date: 01/30/2004
• Status: Active Grant

• Current Assignee: Toshiba Client Solutions CO., Ltd. (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Toshiba America Information Systems Incorporated (Toshiba Corporation)
• Inventors: Fukushima, Kazuya
• Granted Patent: US 7,486,955 B2
• Time in Patent Office: Days
• US Class Current: 455/556.100
• CPC Class Codes: G06F 1/1616 with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
• CPC Class Codes: G06F 1/1698 the I/O peripheral being a sending/receiving arrangement to establish a cordless communication link, e.g. radio or infrared link, integrated cellular phone details of antennas disposed inside a computer H01Q1/2266
• CPC Class Codes: H01Q 1/2258 used with computer equipment
• CPC Class Codes: H01Q 1/2266 disposed inside the computer
• CPC Class Codes: H01Q 1/241 used in mobile communications, e.g. GSM H01Q1/247, H01Q1/248 take precedence
• CPC Class Codes: H01Q 21/28 Combinations of substantially independent non-interacting antenna units or systems multiple beam H01Q25/00
• CPC Class Codes: H01Q 21/30 Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
• CPC Class Codes: H01Q 23/00 Antennas with active circuits or circuit elements integrated within them or attached to them
• CPC Class Codes: H01Q 5/00 Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements combinations of separate active antenna units operating in different wavebands and connected to a common feeder system H01Q21/30
• CPC Class Codes: H04B 7/0822 according to predefined selection scheme
• CPC Class Codes: H04B 7/0825 with main and with auxiliary or diversity antennas

Abstract

An electronic device comprises an antenna, a first wireless communication module coupled to the antenna, which is complied with a first communication protocol, a second wireless communication module coupled to the antenna, which is complied with a second communication protocol, and a filter coupled to the antenna, the first wireless communication module, and the second wireless communication module. The filter distributes a signal received by the antenna to one of the first wireless communication module and the second wireless communication module in accordance with frequency of the signal.

Claims

1. An electronic device, comprising:

an antenna;

a first wireless communication module coupled to the antenna and operating in accordance with a first communication protocol;

a second wireless communication module coupled to the antenna and operating in accordance with a second communication protocol; and

a filter coupled to the antenna, the first wireless communication module, and the second wireless communication module, the filter distributing a signal received by the antenna to one of the first wireless communication module and the second wireless communication module in accordance with frequency of the signal.

2. An electronic device according to claim 1, wherein the first communication protocol is in accordance with one of IEEE 802.11a, IEEE 802.11b, and IEEE 802.11g standards, and the second communication protocol is a BLUETOOTH™

communication protocol.

3. An electronic device according to claim 1, wherein the antenna is a dual band antenna.

4. An electronic device, comprising:

a first antenna;

a second antenna;

a first wireless communication module coupled to the first antenna and the second antenna and operating in accordance with a first communication protocol;

a second wireless communication module coupled to the second antenna and operating in accordance with a second communication protocol; and

a filter coupled to the second antenna, the first wireless communication module, and the second wireless communication module, the filter distributing a signal received by the second antenna to one of the first wireless communication module and the second wireless communication module in accordance with frequency of the signal.

5. An electronic device according to claim 4, wherein the first wireless communication module uses a first frequency bandwidth, and the second wireless communication module uses a second frequency bandwidth.

6. An electronic device according to claim 5, wherein the first communication module communicates through the first antenna without the second antenna, when the first frequency bandwidth interferes with the second frequency bandwidth.

7. An electronic device according to claim 4, wherein the first communication protocol is in accordance with one of IEEE 802.11a, IEEE 802.11b, and IEEE 802.11g standard, and the second communication protocol is BLUETOOTH™

.

8. An electronic device according to claim 4, wherein the second antenna is a dual band antenna.

9. An electronic device, comprising:

a first antenna;

a second antenna;

first communication means for communicating with an outside device by using the first antenna and the second antenna;

second communication means for communicating with the outside device by using the second antenna; and

means for transmitting a signal received by the second antenna to one of the first communication means and the second communication means in accordance with an attribute of the signal.

10. An electronic device according to claim 9, wherein the attribute of the signal is frequency.

11. An electronic device according to claim 10, wherein the first communication means uses a first frequency bandwidth, and the second communication means uses a second frequency bandwidth.

12. An electronic device according to claim 11, wherein the first communication means communicates through the first antenna without the second antenna, when the first frequency bandwidth interferes with the second frequency bandwidth.

13. A wireless communication method, comprising:

communicating in accordance with a first communication protocol by using a first antenna and a second antenna; and

communicating in accordance with a second communication protocol by using the second antenna;

wherein the communication by the first communication protocol and the communication by the second communication protocol are performed concurrently.

14. A wireless communication method according to claim 13, wherein only the first antenna is used for communication in first communication protocol when the communication by the first communication protocol is interfere with the communication by the second communication protocol.

15. A wireless communication method, comprising:

transmitting a signal in compliance with a first communication protocol through a first antenna;

receiving a signal in compliance with the first communication protocol through the first antenna and a second antenna, the signal received by the second antenna being used for the first communication protocol when the frequency of the signal is in accordance with that of the first communication protocol;

transmitting a signal in compliance with a second communication protocol through the second antenna; and

receiving a signal complied with the second communication protocol through the second antenna, the signal received by the second antenna being used for the second communication protocol when the frequency of the signal is in accordance with that of the second communication protocol.