HK1021675A1 - Dual band transceiver - Google Patents

Dual band transceiver

Info

Publication number
HK1021675A1
HK1021675A1 HK00100365A HK00100365A HK1021675A1 HK 1021675 A1 HK1021675 A1 HK 1021675A1 HK 00100365 A HK00100365 A HK 00100365A HK 00100365 A HK00100365 A HK 00100365A HK 1021675 A1 HK1021675 A1 HK 1021675A1
Authority
HK
Hong Kong
Prior art keywords
dual band
band transceiver
transceiver
dual
band
Prior art date
Application number
HK00100365A
Other languages
English (en)
Inventor
William David Anderson
Frank Thomas Lombardi
Original Assignee
Ericsson Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Inc filed Critical Ericsson Inc
Publication of HK1021675A1 publication Critical patent/HK1021675A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—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
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/0057—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—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
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
HK00100365A 1996-07-02 2000-01-20 Dual band transceiver HK1021675A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/675,171 US5732330A (en) 1996-07-02 1996-07-02 Dual band transceiver
PCT/US1997/011137 WO1998000927A1 (en) 1996-07-02 1997-06-26 Dual band transceiver

Publications (1)

Publication Number Publication Date
HK1021675A1 true HK1021675A1 (en) 2000-06-23

Family

ID=24709345

Family Applications (2)

Application Number Title Priority Date Filing Date
HK99104643A HK1019527A1 (en) 1996-07-02 1999-10-20 Dual band transceiver
HK00100365A HK1021675A1 (en) 1996-07-02 2000-01-20 Dual band transceiver

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK99104643A HK1019527A1 (en) 1996-07-02 1999-10-20 Dual band transceiver

Country Status (10)

Country Link
US (1) US5732330A (xx)
EP (1) EP0909485B1 (xx)
JP (1) JP3989962B2 (xx)
KR (1) KR100325030B1 (xx)
CN (1) CN1146126C (xx)
AU (1) AU727143B2 (xx)
BR (1) BR9710092A (xx)
EE (1) EE03789B1 (xx)
HK (2) HK1019527A1 (xx)
WO (1) WO1998000927A1 (xx)

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Also Published As

Publication number Publication date
CN1146126C (zh) 2004-04-14
KR100325030B1 (ko) 2002-08-14
EP0909485B1 (en) 2001-12-19
KR20000016489A (ko) 2000-03-25
JP3989962B2 (ja) 2007-10-10
US5732330A (en) 1998-03-24
BR9710092A (pt) 1999-08-10
EE03789B1 (et) 2002-06-17
CN1223756A (zh) 1999-07-21
WO1998000927A1 (en) 1998-01-08
EP0909485A1 (en) 1999-04-21
AU727143B2 (en) 2000-12-07
HK1019527A1 (en) 2000-02-11
EE9800455A (et) 1999-06-15
AU3411797A (en) 1998-01-21
JP2002506581A (ja) 2002-02-26

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20100626