SE9900646L - Ferroelektrisk modulator - Google Patents

Ferroelektrisk modulator

Info

Publication number
SE9900646L
SE9900646L SE9900646A SE9900646A SE9900646L SE 9900646 L SE9900646 L SE 9900646L SE 9900646 A SE9900646 A SE 9900646A SE 9900646 A SE9900646 A SE 9900646A SE 9900646 L SE9900646 L SE 9900646L
Authority
SE
Sweden
Prior art keywords
modulation
microwave carrier
microwave
modulating
digital bit
Prior art date
Application number
SE9900646A
Other languages
Unknown language ( )
English (en)
Other versions
SE9900646D0 (sv
SE521870C2 (sv
Inventor
Kent Falk
Ragnar Arvidsson
Original Assignee
Ericsson Telefon Ab L M
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 Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9900646A priority Critical patent/SE521870C2/sv
Publication of SE9900646D0 publication Critical patent/SE9900646D0/sv
Priority to AU33395/00A priority patent/AU3339500A/en
Priority to PCT/SE2000/000297 priority patent/WO2000051231A2/en
Priority to EP00911529A priority patent/EP1192707A2/en
Priority to US09/510,769 priority patent/US6518850B1/en
Publication of SE9900646L publication Critical patent/SE9900646L/sv
Publication of SE521870C2 publication Critical patent/SE521870C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/44—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C7/00—Modulating electromagnetic waves
    • H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
    • H03C7/022—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas using ferromagnetic devices, e.g. ferrites

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Amplitude Modulation (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Aerials With Secondary Devices (AREA)
  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
SE9900646A 1999-02-24 1999-02-24 Ferroelektrisk modulator SE521870C2 (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE9900646A SE521870C2 (sv) 1999-02-24 1999-02-24 Ferroelektrisk modulator
AU33395/00A AU3339500A (en) 1999-02-24 2000-02-16 Ferroelectric modulator
PCT/SE2000/000297 WO2000051231A2 (en) 1999-02-24 2000-02-16 Ferroelectric modulator
EP00911529A EP1192707A2 (en) 1999-02-24 2000-02-16 Ferroelectric modulator
US09/510,769 US6518850B1 (en) 1999-02-24 2000-02-23 Ferroelectric modulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9900646A SE521870C2 (sv) 1999-02-24 1999-02-24 Ferroelektrisk modulator

Publications (3)

Publication Number Publication Date
SE9900646D0 SE9900646D0 (sv) 1999-02-24
SE9900646L true SE9900646L (sv) 2000-08-25
SE521870C2 SE521870C2 (sv) 2003-12-16

Family

ID=20414604

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9900646A SE521870C2 (sv) 1999-02-24 1999-02-24 Ferroelektrisk modulator

Country Status (5)

Country Link
US (1) US6518850B1 (sv)
EP (1) EP1192707A2 (sv)
AU (1) AU3339500A (sv)
SE (1) SE521870C2 (sv)
WO (1) WO2000051231A2 (sv)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7394430B2 (en) * 2001-04-11 2008-07-01 Kyocera Wireless Corp. Wireless device reconfigurable radiation desensitivity bracket systems and methods
US7154440B2 (en) * 2001-04-11 2006-12-26 Kyocera Wireless Corp. Phase array antenna using a constant-gain phase shifter
US7746292B2 (en) * 2001-04-11 2010-06-29 Kyocera Wireless Corp. Reconfigurable radiation desensitivity bracket systems and methods
US7174147B2 (en) * 2001-04-11 2007-02-06 Kyocera Wireless Corp. Bandpass filter with tunable resonator
US7221243B2 (en) * 2001-04-11 2007-05-22 Kyocera Wireless Corp. Apparatus and method for combining electrical signals
US6690251B2 (en) * 2001-04-11 2004-02-10 Kyocera Wireless Corporation Tunable ferro-electric filter
US7184727B2 (en) * 2002-02-12 2007-02-27 Kyocera Wireless Corp. Full-duplex antenna system and method
US7180467B2 (en) * 2002-02-12 2007-02-20 Kyocera Wireless Corp. System and method for dual-band antenna matching
US7176845B2 (en) * 2002-02-12 2007-02-13 Kyocera Wireless Corp. System and method for impedance matching an antenna to sub-bands in a communication band
US7720443B2 (en) 2003-06-02 2010-05-18 Kyocera Wireless Corp. System and method for filtering time division multiple access telephone communications
US7248845B2 (en) * 2004-07-09 2007-07-24 Kyocera Wireless Corp. Variable-loss transmitter and method of operation
DE602004013850D1 (de) * 2004-12-08 2008-06-26 Ericsson Telefon Ab L M Ferroelektrische linse
US7548762B2 (en) * 2005-11-30 2009-06-16 Kyocera Corporation Method for tuning a GPS antenna matching network

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US581164A (en) * 1897-04-20 Oscar katzenberger
US4445098A (en) * 1982-02-19 1984-04-24 Electromagnetic Sciences, Inc. Method and apparatus for fast-switching dual-toroid microwave phase shifter
US4506234A (en) * 1983-06-17 1985-03-19 The United States Of America As Represented By The Secretary Of The Navy Amplitude and phase modulation in fin-lines by electrical tuning
SU1193738A1 (ru) * 1983-11-30 1985-11-23 Ростовский Ордена Трудового Красного Знамени Государственный Университет Им.М.А.Суслова СВЧ-фазовращатель
SU1352562A1 (ru) * 1984-06-26 1987-11-15 Ростовский государственный университет им.М.А.Суслова Фазовращатель
JP2941331B2 (ja) 1990-02-13 1999-08-25 株式会社日立製作所 π／４シフトＱＰＳＫ変調器及びそれを用いた通信装置
EP0472404A3 (en) * 1990-08-24 1993-03-03 Hughes Aircraft Company Liquid crystal-based composite material having enhanced microwave birefringence
WO1994013028A1 (en) * 1992-12-01 1994-06-09 Superconducting Core Technologies, Inc. Tunable microwave devices incorporating high temperature superconducting and ferroelectric films
US5278924A (en) * 1993-02-04 1994-01-11 Hughes Aircraft Company Periodic domain reversal electro-optic modulator
US5334958A (en) * 1993-07-06 1994-08-02 The United States Of America As Represented By The Secretary Of The Army Microwave ferroelectric phase shifters and methods for fabricating the same

Also Published As

Publication number Publication date
SE9900646D0 (sv) 1999-02-24
EP1192707A2 (en) 2002-04-03
AU3339500A (en) 2000-09-14
SE521870C2 (sv) 2003-12-16
WO2000051231A2 (en) 2000-08-31
US6518850B1 (en) 2003-02-11
WO2000051231A3 (en) 2000-11-30

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