Radio transceiver communicating in a plurality of frequency bands

• US 7,471,253 B2
• Filed: 11/29/2007
• Issued: 12/30/2008
• Est. Priority Date: 04/27/1993
• Status: Expired due to Fees

• Current Assignee: Avago Technologies International Sales Pte Limited (Broadcom, Inc.)
• Original Assignee: Broadcom Corporation (Broadcom, Inc.)
• Inventors: Mahany, Ronald L., West, Guy J., Kinney, Patrick W.
• Primary Examiner(s): Nguyen; Hoang V
• Application Number:
  US11/947,531
• Publication Number:
  US 20080076468A1
• Time in Patent Office: 397 Days
• Field of Search: 343/702, 343/876
• US Class Current: 343/702
• CPC Class Codes: G06F 1/1626 with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
• CPC Class Codes: G06F 1/1656 Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories mounting of accessories to a computer display G06F1/1607; display hoods G06F1/1603; cooling arrangements for portable computers G06F1/203
• 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: G06F 15/0225 User interface arrangements, e.g. keyboard, display; Interfaces to other computer systems
• CPC Class Codes: G06F 2200/1632 Pen holder integrated in the computer
• CPC Class Codes: G06F 2200/1633 Protecting arrangement for the entire housing of the computer
• CPC Class Codes: G06K 7/1098 the scanning arrangement having a modular construction
• CPC Class Codes: H01Q 1/007 specially adapted for indoor communication
• CPC Class Codes: H01Q 1/22 by structural association with other equipment or articles
• CPC Class Codes: H01Q 1/2275 associated to expansion card or bus, e.g. in PCMCIA, PC cards, Wireless USB
• CPC Class Codes: H01Q 1/24 with receiving set
• CPC Class Codes: H01Q 1/241 used in mobile communications, e.g. GSM H01Q1/247, H01Q1/248 take precedence
• CPC Class Codes: H01Q 1/242 specially adapted for hand-held use
• CPC Class Codes: H01Q 1/273 Adaptation for carrying or wearing by persons or animals
• CPC Class Codes: H01Q 21/24 Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction circularly polarised patch antennas H01Q9/0428; circularly polarised horns H01Q13/0241; cross-polarised horns H01Q13/0258; polarisation converters H01Q15/242; cross-polarised rear feeds H01Q19/136; crossed polarisation dual antenna H01Q25/001
• CPC Class Codes: H01Q 21/28 Combinations of substantially independent non-interacting antenna units or systems multiple beam H01Q25/00
• CPC Class Codes: H01Q 21/29 Combinations of different interacting antenna units for giving a desired directional characteristic H01Q25/00 takes precedence
• 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: H04B 1/005 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
• CPC Class Codes: H04B 1/38 Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
• CPC Class Codes: H04B 1/3816 : Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
• CPC Class Codes: H04B 1/3833 : Hand-held transceivers
• CPC Class Codes: H04B 1/3877 : Arrangements for enabling portable transceivers to be used in a fixed position, e.g. cradles or boosters
• CPC Class Codes: H04L 69/32 : Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
• CPC Class Codes: H04L 69/324 : in the data link layer [OSI layer 2], e.g. HDLC
• CPC Class Codes: H04L 69/325 : in the network layer [OSI layer 3], e.g. X.25 H04L69/16 takes precedence
• CPC Class Codes: H04L 69/326 : in the transport layer [OSI layer 4] H04L69/16 takes precedence
• CPC Class Codes: H04L 9/40 : Network security protocols
• CPC Class Codes: H04W 88/06 : adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

The present invention relates generally to computer devices utilizing removable radio frequency communication devices used for transmitting and receiving information and more particularly to an improved apparatus for connecting an appropriate antenna to the radio frequency communication device using an attenna cap, and to an improved method and apparatus for connecting a communication card device such as radio or modem to an appropriate antenna or telephone line.

Claims

1. A spread spectrum cellular phone with a first antenna and a second antenna, comprising:

radio circuitry configured to communicate in a particular cellular frequency band and in a second frequency band that is not the particular cellular frequency band, the radio circuitry supporting cellular phone communications and wireless local area network communications, the radio circuitry being operatively coupled to the first antenna and to the second antenna; and

a processor operatively coupled to the first antenna and the second antenna, the processor being configured to select at least one of the first antenna and the second antenna.

2. The cellular phone according to claim 1,

wherein the first antenna is adapted for use in the particular cellular frequency band, and

wherein the second antenna is adapted for use in the second frequency band.

3. The cellular phone according to claim 1, wherein the first antenna and the second antenna provide spatial diversity.

4. The cellular phone according to claim 1, wherein the first antenna and the second antenna provide polarization diversity.

5. The cellular phone according to claim 1, wherein the first antenna and the second antenna provide antenna diversity.

6. The cellular phone according to claim 1, comprising:

a switch operatively coupled to the first antenna and to the second antenna,

wherein the processor switches the switch to select at least one of the first antenna and the second antenna.

7. The cellular phone according to claim 1, wherein radio circuitry is configured to perform frequency hopping.

8. The cellular phone according to claim 1,

wherein the radio circuitry communicates in the particular cellular frequency band over at least the first antenna, and

wherein the radio circuitry communicates in the second frequency band over at least the second antenna.

9. The cellular phone according to claim 1, wherein the radio circuitry comprises one or more wireless local area network transceivers.

10. The cellular phone according to claim 9, wherein the radio circuitry comprises one or more cellular phone transceivers.

11. A spread spectrum cellular phone with a first antenna and a second antenna, comprising:

radio circuitry configured to communicate in a first frequency band and in a second frequency band that is not the first frequency band, the first frequency band being a particular cellular frequency band, the second frequency band being a wireless local area network communications frequency band, the radio circuitry being operatively coupled to the first antenna and to the second antenna; and

a processor operatively coupled to the first antenna and the second antenna, the processor being configured to select at least one of the first antenna and the second antenna.

12. The cellular phone according to claim 11,

wherein the first antenna is adapted for use in the particular cellular frequency band, and

wherein the second antenna is adapted for use in the second frequency band.

13. The cellular phone according to claim 11, wherein the first antenna and the second antenna provide spatial diversity.

14. The cellular phone according to claim 11, wherein the first antenna and the second antenna provide polarization diversity.

15. The cellular phone according to claim 11, wherein the first antenna and the second antenna provide antenna diversity.

16. The cellular phone according to claim 11, comprising:

a switch operatively coupled to the first antenna and to the second antenna,

wherein the processor switches the switch to select at least one of the first antenna and the second antenna.

17. The cellular phone according to claim 11, wherein radio circuitry is configured to perform frequency hopping.

18. The cellular phone according to claim 11,

wherein the radio circuitry communicates in the particular cellular frequency band over at least the first antenna, and

wherein the radio circuitry communicates in the second frequency band over at least the second antenna.

19. The cellular phone according to claim 11, wherein the radio circuitry comprises one or more wireless local area network transceivers.

20. The cellular phone according to claim 19, wherein the radio circuitry comprises one or more cellular phone transceivers.