SE0103816D0 - Slitsantenn - Google Patents

Slitsantenn

Info

Publication number
SE0103816D0
SE0103816D0 SE0103816A SE0103816A SE0103816D0 SE 0103816 D0 SE0103816 D0 SE 0103816D0 SE 0103816 A SE0103816 A SE 0103816A SE 0103816 A SE0103816 A SE 0103816A SE 0103816 D0 SE0103816 D0 SE 0103816D0
Authority
SE
Sweden
Prior art keywords
dielectric layer
holes
antenna
transmission line
level gauge
Prior art date
Application number
SE0103816A
Other languages
English (en)
Inventor
Jan Westerling
Torbjoern Krig
Original Assignee
Saab Marine Electronics
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 Saab Marine Electronics filed Critical Saab Marine Electronics
Priority to SE0103816A priority Critical patent/SE0103816D0/sv
Publication of SE0103816D0 publication Critical patent/SE0103816D0/sv
Priority to US10/495,412 priority patent/US7165449B2/en
Priority to CNB028251415A priority patent/CN100354612C/zh
Priority to EP02791123A priority patent/EP1444488A1/en
Priority to PCT/SE2002/002081 priority patent/WO2003042639A1/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/225—Supports; Mounting means by structural association with other equipment or articles used in level-measurement devices, e.g. for level gauge measurement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10—Resonant slot antennas
    • H01Q13/12—Longitudinally slotted cylinder antennas; Equivalent structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/22—Longitudinal slot in boundary wall of waveguide or transmission line
SE0103816A 2001-11-16 2001-11-16 Slitsantenn SE0103816D0 (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE0103816A SE0103816D0 (sv) 2001-11-16 2001-11-16 Slitsantenn
US10/495,412 US7165449B2 (en) 2001-11-16 2002-11-14 Slot antenna
CNB028251415A CN100354612C (zh) 2001-11-16 2002-11-14 槽型天线
EP02791123A EP1444488A1 (en) 2001-11-16 2002-11-14 Slot antenna
PCT/SE2002/002081 WO2003042639A1 (en) 2001-11-16 2002-11-14 Slot antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0103816A SE0103816D0 (sv) 2001-11-16 2001-11-16 Slitsantenn

Publications (1)

Publication Number Publication Date
SE0103816D0 true SE0103816D0 (sv) 2001-11-16

Family

ID=20286003

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0103816A SE0103816D0 (sv) 2001-11-16 2001-11-16 Slitsantenn

Country Status (5)

Country Link
US (1) US7165449B2 (sv)
EP (1) EP1444488A1 (sv)
CN (1) CN100354612C (sv)
SE (1) SE0103816D0 (sv)
WO (1) WO2003042639A1 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7345622B2 (en) 2005-10-14 2008-03-18 Saab Rosemount Tank Radar Ab Two-mode radar level gauge system
US20080100501A1 (en) * 2006-10-26 2008-05-01 Olov Edvardsson Antenna for a radar level gauge
US20080150789A1 (en) * 2006-12-21 2008-06-26 Anders Jirskog Radar level gauge system
WO2013098795A1 (en) * 2011-12-29 2013-07-04 Selex Galileo S.P.A. Slotted waveguide antenna for near-field focalization of electromagnetic radiation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3701158A (en) * 1970-01-22 1972-10-24 Motorola Inc Dual mode wave energy transducer device
SE441306B (sv) * 1984-04-25 1985-09-23 Saab Marine Electronics Sett och anordning for metning av nivan hos ett i en behallare forvarat flytande material
JPH04207703A (ja) * 1990-11-30 1992-07-29 Inax Corp 平面アンテナ
CN2294462Y (zh) * 1997-05-14 1998-10-14 哈尔滨手表厂 雷达液位计
EP0955528B1 (de) * 1998-05-06 2006-11-08 Endress + Hauser GmbH + Co. KG Verfahren zur Messung des Füllstands eines Füllguts in einem Behälter nach dem Radarprinzip
US6325391B1 (en) * 1998-11-12 2001-12-04 Rosemount Inc. PTFE window seal with EMI shielding
DE59905200D1 (de) * 1999-09-07 2003-05-28 Endress & Hauser Gmbh & Co Kg Vorrichtung zur Bestimmung des Füllstands eines Füllguts in einem Behälter
US6404401B2 (en) * 2000-04-28 2002-06-11 Bae Systems Information And Electronic Systems Integration Inc. Metamorphic parallel plate antenna
DE10049995A1 (de) * 2000-10-10 2002-04-11 Endress Hauser Gmbh Co Füllstandsmessgerät
US6606070B2 (en) * 2001-11-07 2003-08-12 Badger Meter, Inc. Tunable antenna for RF metering networks

Also Published As

Publication number Publication date
US7165449B2 (en) 2007-01-23
US20050099349A1 (en) 2005-05-12
CN100354612C (zh) 2007-12-12
CN1605017A (zh) 2005-04-06
EP1444488A1 (en) 2004-08-11
WO2003042639A1 (en) 2003-05-22

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