AU472277B2 - Improvements in or relating to planar transmission line structures - Google Patents

Improvements in or relating to planar transmission line structures

Info

Publication number
AU472277B2
AU472277B2 AU67332/74A AU6733274A AU472277B2 AU 472277 B2 AU472277 B2 AU 472277B2 AU 67332/74 A AU67332/74 A AU 67332/74A AU 6733274 A AU6733274 A AU 6733274A AU 472277 B2 AU472277 B2 AU 472277B2
Authority
AU
Australia
Prior art keywords
relating
transmission line
line structures
planar transmission
planar
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.)
Expired
Application number
AU67332/74A
Other versions
AU6733274A (en
Inventor
William Walter Snell, Jr
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of AU6733274A publication Critical patent/AU6733274A/en
Application granted granted Critical
Publication of AU472277B2 publication Critical patent/AU472277B2/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/213Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2135Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using strip line filters
AU67332/74A 1973-04-04 1974-03-29 Improvements in or relating to planar transmission line structures Expired AU472277B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US34783973A 1973-04-04 1973-04-04
USUS347,839 1973-04-04

Publications (2)

Publication Number Publication Date
AU6733274A AU6733274A (en) 1975-10-02
AU472277B2 true AU472277B2 (en) 1976-05-20

Family

ID=23365500

Family Applications (1)

Application Number Title Priority Date Filing Date
AU67332/74A Expired AU472277B2 (en) 1973-04-04 1974-03-29 Improvements in or relating to planar transmission line structures

Country Status (11)

Country Link
US (1) US3796970A (en)
JP (1) JPS49131357A (en)
AU (1) AU472277B2 (en)
BE (1) BE813098A (en)
CA (1) CA984473A (en)
DE (1) DE2415284A1 (en)
FR (1) FR2224934B1 (en)
GB (1) GB1410458A (en)
IT (1) IT1009420B (en)
NL (1) NL7404480A (en)
SE (1) SE386552B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103201897A (en) * 2012-09-26 2013-07-10 华为技术有限公司 Cavity filter

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US3967278A (en) * 1974-10-23 1976-06-29 The Boeing Company Low cost microwave receiver for ILS
GB1605120A (en) * 1978-04-11 1981-12-16 Marconi Co Ltd Electrical networks for use at high frequencies
JPS5643801A (en) * 1979-09-19 1981-04-22 Hitachi Ltd Band-pass filter
FR2616273B1 (en) * 1987-06-05 1989-10-20 Thomson Csf MICROWAVE RESONATOR IN GALLERY WHISPERING MODE
US4780691A (en) * 1987-08-03 1988-10-25 Ford Aerospace & Communications Corporation Dielectric resonator frequency discriminator for stabilizing oscillator frequency
US5136268A (en) * 1991-04-19 1992-08-04 Space Systems/Loral, Inc. Miniature dual mode planar filters
US5172084A (en) * 1991-12-18 1992-12-15 Space Systems/Loral, Inc. Miniature planar filters based on dual mode resonators of circular symmetry
DE69332250T2 (en) * 1992-04-30 2003-04-30 Matsushita Electric Ind Co Ltd Dual mode stripline ring resonator and bandpass filter with such resonators
US5400002A (en) * 1992-06-12 1995-03-21 Matsushita Electric Industrial Co., Ltd. Strip dual mode filter in which a resonance width of a microwave is adjusted and dual mode multistage filter in which the strip dual mode filters are arranged in series
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US5939958A (en) * 1997-02-18 1999-08-17 The United States Of America As Represented By The Secretary Of The Navy Microstrip dual mode elliptic filter with modal coupling through patch spacing
JP3395753B2 (en) 2000-02-24 2003-04-14 株式会社村田製作所 Method of manufacturing bandpass filter and bandpass filter
JP3395754B2 (en) * 2000-02-24 2003-04-14 株式会社村田製作所 Dual-mode bandpass filter
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US10340983B2 (en) 2016-12-09 2019-07-02 At&T Intellectual Property I, L.P. Method and apparatus for surveying remote sites via guided wave communications
US9838896B1 (en) 2016-12-09 2017-12-05 At&T Intellectual Property I, L.P. Method and apparatus for assessing network coverage
US10264586B2 (en) 2016-12-09 2019-04-16 At&T Mobility Ii Llc Cloud-based packet controller and methods for use therewith
US9973940B1 (en) 2017-02-27 2018-05-15 At&T Intellectual Property I, L.P. Apparatus and methods for dynamic impedance matching of a guided wave launcher
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103201897A (en) * 2012-09-26 2013-07-10 华为技术有限公司 Cavity filter
CN103201897B (en) * 2012-09-26 2015-05-06 华为技术有限公司 Cavity filter

Also Published As

Publication number Publication date
JPS49131357A (en) 1974-12-17
BE813098A (en) 1974-07-15
SE386552B (en) 1976-08-09
GB1410458A (en) 1975-10-15
FR2224934A1 (en) 1974-10-31
CA984473A (en) 1976-02-24
NL7404480A (en) 1974-10-08
IT1009420B (en) 1976-12-10
DE2415284A1 (en) 1974-10-17
US3796970A (en) 1974-03-12
FR2224934B1 (en) 1977-09-30
AU6733274A (en) 1975-10-02

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