DK319186A - Radiosystem og en sender og en modtager til anvendelse i systemet - Google Patents

Radiosystem og en sender og en modtager til anvendelse i systemet Download PDF

Info

Publication number
DK319186A
DK319186A DK319186A DK319186A DK319186A DK 319186 A DK319186 A DK 319186A DK 319186 A DK319186 A DK 319186A DK 319186 A DK319186 A DK 319186A DK 319186 A DK319186 A DK 319186A
Authority
DK
Denmark
Prior art keywords
transmitter
receiver
radio
radio system
Prior art date
Application number
DK319186A
Other languages
English (en)
Other versions
DK319186D0 (da
Inventor
Christopher Brian Marshall
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of DK319186D0 publication Critical patent/DK319186D0/da
Publication of DK319186A publication Critical patent/DK319186A/da

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/12Frequency diversity
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C1/00Amplitude modulation
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00Demodulation of amplitude-modulated oscillations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/68Details 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 for wholly or partially suppressing the carrier or one side band
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/22Arrangements affording multiple use of the transmission path using time-division multiplexing
    • H04L5/26Arrangements affording multiple use of the transmission path using time-division multiplexing combined with the use of different frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
DK319186A 1985-07-08 1986-07-04 Radiosystem og en sender og en modtager til anvendelse i systemet DK319186A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08517230A GB2177876A (en) 1985-07-08 1985-07-08 Radio system and a transmitter and a receiver for use in the system

Publications (2)

Publication Number Publication Date
DK319186D0 DK319186D0 (da) 1986-07-04
DK319186A true DK319186A (da) 1987-01-09

Family

ID=10581962

Family Applications (1)

Application Number Title Priority Date Filing Date
DK319186A DK319186A (da) 1985-07-08 1986-07-04 Radiosystem og en sender og en modtager til anvendelse i systemet

Country Status (7)

Country Link
US (1) US4768187A (da)
EP (1) EP0210688B1 (da)
JP (1) JP2594547B2 (da)
AU (1) AU586769B2 (da)
DE (1) DE3683420D1 (da)
DK (1) DK319186A (da)
GB (1) GB2177876A (da)

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US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
US7006805B1 (en) 1999-01-22 2006-02-28 Parker Vision, Inc. Aliasing communication system with multi-mode and multi-band functionality and embodiments thereof, such as the family radio service
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US6873836B1 (en) 1999-03-03 2005-03-29 Parkervision, Inc. Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology
US7110435B1 (en) 1999-03-15 2006-09-19 Parkervision, Inc. Spread spectrum applications of universal frequency translation
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US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
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US7321640B2 (en) 2002-06-07 2008-01-22 Parkervision, Inc. Active polyphase inverter filter for quadrature signal generation
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US7782827B2 (en) * 2003-03-28 2010-08-24 Nortel Networks Limited Method and apparatus for processing multiple common frequency signals through a single cable using circulators
US7424039B2 (en) * 2003-03-28 2008-09-09 Nortel Networks Limited Method and apparatus for processing multiple common frequency signals through a single cable
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Also Published As

Publication number Publication date
AU586769B2 (en) 1989-07-20
DE3683420D1 (de) 1992-02-27
EP0210688A3 (en) 1988-12-21
DK319186D0 (da) 1986-07-04
JP2594547B2 (ja) 1997-03-26
AU5974286A (en) 1987-01-15
JPS6214541A (ja) 1987-01-23
GB8517230D0 (en) 1985-08-14
EP0210688B1 (en) 1992-01-15
US4768187A (en) 1988-08-30
EP0210688A2 (en) 1987-02-04
GB2177876A (en) 1987-01-28

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