EP1055931A3 - Schaltungsanordnung zum Prüfen der Funktionsbereitschaft mindestens einer Antenne - Google Patents

Schaltungsanordnung zum Prüfen der Funktionsbereitschaft mindestens einer Antenne Download PDF

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Publication number
EP1055931A3
EP1055931A3 EP00110408A EP00110408A EP1055931A3 EP 1055931 A3 EP1055931 A3 EP 1055931A3 EP 00110408 A EP00110408 A EP 00110408A EP 00110408 A EP00110408 A EP 00110408A EP 1055931 A3 EP1055931 A3 EP 1055931A3
Authority
EP
European Patent Office
Prior art keywords
antennas
test
radiator
functional state
antenna
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Withdrawn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
EP00110408A
Other languages
English (en)
French (fr)
Other versions
EP1055931A2 (de
Inventor
Martin Fritzmann
Thomas Wagner
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.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of EP1055931A2 publication Critical patent/EP1055931A2/de
Publication of EP1055931A3 publication Critical patent/EP1055931A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • 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
    • H01Q3/26—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/267—Phased-array testing or checking devices

Landscapes

  • Monitoring And Testing Of Transmission In General (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Die Erfindung betrifft eine Schaltungsanordnung zum Prüfen der Funktionsbereitschaft von Antennen (14, 20) für ein Funktelefon ( 40). Die Antennen (14, 20) weisen jeweils einen Strahler auf, der mit einem Ende offen in den Raum ragt. Unabhängig von einem Signalstrom (IHF) fließen Prüfströme (IC1, IC2), über Antennenleitungen zu den Antennen (14, 20). An jedem Strahler ist zum Rückführen des separaten Prüfstroms (IC1, IC2) parallel zum HF-Pfad ein Nebenpfad angeschlossen, der eine Impedanz (R1, R2) aufweist. Spannungsauswerter (VE1, VE2) überwachen den Funktionszustand der Antennen (14, 20) durch Vergleichen der von den Prüfströmen (IC, IC1, IC2) bewirkten Prüfspannungen (UC1, UC2) an den Antennenanschlüssen (12, 22) mit einem Sollwert (UREF) und generieren entsprechende Indikationssignale (UO1, UO2), die Aufschluss über den Funktionszustand der Antennen geben.
EP00110408A 1999-05-22 2000-05-16 Schaltungsanordnung zum Prüfen der Funktionsbereitschaft mindestens einer Antenne Withdrawn EP1055931A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19923729A DE19923729A1 (de) 1999-05-22 1999-05-22 Schaltungsanordnung zum Prüfen der Funktionsbereitschaft mindestens einer Antenne
DE19923729 1999-05-22

Publications (2)

Publication Number Publication Date
EP1055931A2 EP1055931A2 (de) 2000-11-29
EP1055931A3 true EP1055931A3 (de) 2001-08-01

Family

ID=7909001

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00110408A Withdrawn EP1055931A3 (de) 1999-05-22 2000-05-16 Schaltungsanordnung zum Prüfen der Funktionsbereitschaft mindestens einer Antenne

Country Status (3)

Country Link
US (1) US6437577B1 (de)
EP (1) EP1055931A3 (de)
DE (1) DE19923729A1 (de)

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Also Published As

Publication number Publication date
US6437577B1 (en) 2002-08-20
DE19923729A1 (de) 2000-11-23
EP1055931A2 (de) 2000-11-29

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