EP1261066A3 - Améliorations concernant un appareil duplexeur - Google Patents

Améliorations concernant un appareil duplexeur Download PDF

Info

Publication number
EP1261066A3
EP1261066A3 EP02252898A EP02252898A EP1261066A3 EP 1261066 A3 EP1261066 A3 EP 1261066A3 EP 02252898 A EP02252898 A EP 02252898A EP 02252898 A EP02252898 A EP 02252898A EP 1261066 A3 EP1261066 A3 EP 1261066A3
Authority
EP
European Patent Office
Prior art keywords
receive
diplexer
transmit
signal
port
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP02252898A
Other languages
German (de)
English (en)
Other versions
EP1261066A2 (fr
Inventor
Tindaro Cadili
Giorigio Gibilaro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Selex Elsag Datamat SpA
Original Assignee
Marconi Mobile SpA
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 Marconi Mobile SpA filed Critical Marconi Mobile SpA
Publication of EP1261066A2 publication Critical patent/EP1261066A2/fr
Publication of EP1261066A3 publication Critical patent/EP1261066A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2138—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using hollow waveguide filters

Landscapes

  • Treatment Of Fiber Materials (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Glass Compositions (AREA)
  • Waveguide Aerials (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
EP02252898A 2001-05-23 2002-04-24 Améliorations concernant un appareil duplexeur Withdrawn EP1261066A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2001TO000483A ITTO20010483A1 (it) 2001-05-23 2001-05-23 Perfezionamenti nei dispositivi diplexer.
ITTO20010483 2001-05-23

Publications (2)

Publication Number Publication Date
EP1261066A2 EP1261066A2 (fr) 2002-11-27
EP1261066A3 true EP1261066A3 (fr) 2003-08-13

Family

ID=11458881

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02252898A Withdrawn EP1261066A3 (fr) 2001-05-23 2002-04-24 Améliorations concernant un appareil duplexeur

Country Status (2)

Country Link
EP (1) EP1261066A3 (fr)
IT (1) ITTO20010483A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5528676A (en) * 1978-08-22 1980-02-29 Mitsubishi Electric Corp Branch unit
JPS57170603A (en) * 1981-04-15 1982-10-20 Mitsubishi Electric Corp Branching filter circuit
JPS57204604A (en) * 1981-06-11 1982-12-15 Mitsubishi Electric Corp Shared branching filter for orthogonal double polarized wave
GB2163909A (en) * 1984-08-29 1986-03-05 Era Patents Ltd Beacon tracking system
JPS62122302A (ja) * 1985-11-21 1987-06-03 Nec Corp 分波器
EP1077501A1 (fr) * 1999-08-17 2001-02-21 Lucent Technologies Inc. Dispositif d' émission/réception de signaux électromagnétiques

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5528676A (en) * 1978-08-22 1980-02-29 Mitsubishi Electric Corp Branch unit
JPS57170603A (en) * 1981-04-15 1982-10-20 Mitsubishi Electric Corp Branching filter circuit
JPS57204604A (en) * 1981-06-11 1982-12-15 Mitsubishi Electric Corp Shared branching filter for orthogonal double polarized wave
GB2163909A (en) * 1984-08-29 1986-03-05 Era Patents Ltd Beacon tracking system
JPS62122302A (ja) * 1985-11-21 1987-06-03 Nec Corp 分波器
EP1077501A1 (fr) * 1999-08-17 2001-02-21 Lucent Technologies Inc. Dispositif d' émission/réception de signaux électromagnétiques

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
CHAN K K ET AL: "MULTIFREQUENCY BAND EARTH STATION FEED DESIGN", MERGING TECHNOLOGIES FOR THE 90'S. DALLAS, 7 - 11 MAY, 1990, INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION, NEW YORK, IEEE, US, vol. 2, 7 May 1990 (1990-05-07), pages 960 - 963, XP000167362 *
PATENT ABSTRACTS OF JAPAN vol. 004, no. 059 (E - 009) 2 May 1980 (1980-05-02) *
PATENT ABSTRACTS OF JAPAN vol. 007, no. 013 (E - 153) 19 January 1983 (1983-01-19) *
PATENT ABSTRACTS OF JAPAN vol. 007, no. 058 (E - 163) 10 March 1983 (1983-03-10) *
PATENT ABSTRACTS OF JAPAN vol. 011, no. 341 (E - 554) 7 November 1987 (1987-11-07) *

Also Published As

Publication number Publication date
ITTO20010483A0 (it) 2001-05-23
EP1261066A2 (fr) 2002-11-27
ITTO20010483A1 (it) 2002-11-23

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