US3805193A - Microwave harmonic filter employing cascaded alternate e-plane and h-plane t-junctions - Google Patents

Microwave harmonic filter employing cascaded alternate e-plane and h-plane t-junctions Download PDF

Info

Publication number
US3805193A
US3805193A US00337972A US33797273A US3805193A US 3805193 A US3805193 A US 3805193A US 00337972 A US00337972 A US 00337972A US 33797273 A US33797273 A US 33797273A US 3805193 A US3805193 A US 3805193A
Authority
US
United States
Prior art keywords
arm
fundamental
network
plane
harmonics
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 - Lifetime
Application number
US00337972A
Other languages
English (en)
Inventor
H Mohr
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.)
PREMIER MICROWAVE OF CALIFORNIA Inc
Original Assignee
H Mohr
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 H Mohr filed Critical H Mohr
Priority to US00337972A priority Critical patent/US3805193A/en
Priority to AU65857/74A priority patent/AU477006B2/en
Priority to FR7406914A priority patent/FR2220886B1/fr
Priority to CA193,690A priority patent/CA998447A/en
Priority to GB957074A priority patent/GB1426406A/en
Priority to DE2410396A priority patent/DE2410396C2/de
Priority to JP2673574A priority patent/JPS5727601B2/ja
Priority to IT20561/74A priority patent/IT1007413B/it
Publication of US3805193A publication Critical patent/US3805193A/en
Application granted granted Critical
Assigned to TECHNOLOGY FUNDING SECURED INVESTORS II reassignment TECHNOLOGY FUNDING SECURED INVESTORS II SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GAMMA MICROWAVE, INC.
Assigned to GAMMA MICROWAVE, INC., A CORP OF CA reassignment GAMMA MICROWAVE, INC., A CORP OF CA ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: VARIAN ASSOCIATES, INC.
Anticipated expiration legal-status Critical
Assigned to TECHNOLOGY FUNDING SECURED INVESTORS II, A CALIFORNIA LIMITED PARTNERSHIP reassignment TECHNOLOGY FUNDING SECURED INVESTORS II, A CALIFORNIA LIMITED PARTNERSHIP SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GAMMA MICROWAVE, INC. A CORP. OF CALIFORNIA
Assigned to TECHNOLOGY FUNDING SECURED INVESTORS II reassignment TECHNOLOGY FUNDING SECURED INVESTORS II ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: GAMMA MICROWAVE, INC.
Assigned to TECHNOLOGY FUNDING SEC. IN. II reassignment TECHNOLOGY FUNDING SEC. IN. II RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: GAMMA MICROWAVE, INC.
Assigned to PREMIER MICROWAVE OF CALIFORNIA, INC. reassignment PREMIER MICROWAVE OF CALIFORNIA, INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: TECHNOLOGY FUNDING SECURED INVESTORS II
Assigned to TECHNOLOGY FUNDING SECURED INVESTORS II reassignment TECHNOLOGY FUNDING SECURED INVESTORS II SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PREMIER MICROWAVE OF CALIFORNIA, INC.
Assigned to PREMIER MICROWAVE OF CALIFORNIA, INC. reassignment PREMIER MICROWAVE OF CALIFORNIA, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TECHNOLOGY FUNDING SECURED INVESTORS II
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • H01P1/212—Frequency-selective devices, e.g. filters suppressing or attenuating harmonic frequencies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
    • H01P1/162—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion absorbing spurious or unwanted modes of propagation

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)
US00337972A 1973-03-05 1973-03-05 Microwave harmonic filter employing cascaded alternate e-plane and h-plane t-junctions Expired - Lifetime US3805193A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
US00337972A US3805193A (en) 1973-03-05 1973-03-05 Microwave harmonic filter employing cascaded alternate e-plane and h-plane t-junctions
AU65857/74A AU477006B2 (en) 1973-03-05 1974-02-21 Microwave harmonic filter employing cascaded alternate e-plate and h-plate t-junctions
FR7406914A FR2220886B1 (de) 1973-03-05 1974-02-28
CA193,690A CA998447A (en) 1973-03-05 1974-02-28 Microwave harmonic filter employing cascaded alternate e-plane and h-plane t-junctions
GB957074A GB1426406A (en) 1973-03-05 1974-03-04 Microwave harmonic filter
DE2410396A DE2410396C2 (de) 1973-03-05 1974-03-05 Oberwellenfilter für Mikrowellen
JP2673574A JPS5727601B2 (de) 1973-03-05 1974-03-05
IT20561/74A IT1007413B (it) 1973-03-05 1974-04-08 Filtro di armoniche di microonde con impiego di giunzioni a t in cascata a piani e e piani h alternati

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00337972A US3805193A (en) 1973-03-05 1973-03-05 Microwave harmonic filter employing cascaded alternate e-plane and h-plane t-junctions

Publications (1)

Publication Number Publication Date
US3805193A true US3805193A (en) 1974-04-16

Family

ID=23322836

Family Applications (1)

Application Number Title Priority Date Filing Date
US00337972A Expired - Lifetime US3805193A (en) 1973-03-05 1973-03-05 Microwave harmonic filter employing cascaded alternate e-plane and h-plane t-junctions

Country Status (8)

Country Link
US (1) US3805193A (de)
JP (1) JPS5727601B2 (de)
AU (1) AU477006B2 (de)
CA (1) CA998447A (de)
DE (1) DE2410396C2 (de)
FR (1) FR2220886B1 (de)
GB (1) GB1426406A (de)
IT (1) IT1007413B (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542352A (en) * 1983-06-17 1985-09-17 Motorola, Inc. Cavity oscillator with undesired mode absorbing waveguides for linear FM
US20090201106A1 (en) * 2007-12-28 2009-08-13 Iio Ken Ichi Harmonic suppression resonator, harmonic propagation blocking filter, and radar apparatus
RU2459321C1 (ru) * 2011-07-22 2012-08-20 Дмитрий Сергеевич Рыженко Заградительный фильтр свч диапазона
WO2022074199A1 (en) * 2020-10-09 2022-04-14 Elekta Limited Rf source protection

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6080538B2 (ja) * 2012-12-25 2017-02-15 三菱電機株式会社 フィルタ回路

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2762986A (en) * 1951-08-24 1956-09-11 Raytheon Mfg Co Low pass filters
US2795763A (en) * 1951-05-03 1957-06-11 Bell Telephone Labor Inc Microwave filters
US2961619A (en) * 1957-06-21 1960-11-22 Sperry Rand Corp Microwave filter
US3593220A (en) * 1968-07-15 1971-07-13 Varian Associates High power microwave low-pass filter of the leaky wall type

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB664668A (en) * 1949-10-17 1952-01-09 Easycantop Ltd Improvements in or relating to apparatus for scoring end closures for cans
US2639326A (en) * 1951-03-06 1953-05-19 Bell Telephone Labor Inc Electromagnetic wave microwave frequency structure using hybrid junctions
DE1240568B (de) * 1964-08-13 1967-05-18 Deutsche Post Inst Oberwellenfilter fuer Mikrowellen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2795763A (en) * 1951-05-03 1957-06-11 Bell Telephone Labor Inc Microwave filters
US2762986A (en) * 1951-08-24 1956-09-11 Raytheon Mfg Co Low pass filters
US2961619A (en) * 1957-06-21 1960-11-22 Sperry Rand Corp Microwave filter
US3593220A (en) * 1968-07-15 1971-07-13 Varian Associates High power microwave low-pass filter of the leaky wall type

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542352A (en) * 1983-06-17 1985-09-17 Motorola, Inc. Cavity oscillator with undesired mode absorbing waveguides for linear FM
US20090201106A1 (en) * 2007-12-28 2009-08-13 Iio Ken Ichi Harmonic suppression resonator, harmonic propagation blocking filter, and radar apparatus
US8354898B2 (en) * 2007-12-28 2013-01-15 Furuno Electric Company Limited Harmonic suppression resonator, harmonic propagation blocking filter, and radar apparatus
RU2459321C1 (ru) * 2011-07-22 2012-08-20 Дмитрий Сергеевич Рыженко Заградительный фильтр свч диапазона
WO2022074199A1 (en) * 2020-10-09 2022-04-14 Elekta Limited Rf source protection

Also Published As

Publication number Publication date
AU6585774A (en) 1975-08-21
JPS5042770A (de) 1975-04-18
IT1007413B (it) 1976-10-30
CA998447A (en) 1976-10-12
FR2220886A1 (de) 1974-10-04
FR2220886B1 (de) 1978-01-06
DE2410396A1 (de) 1974-09-12
AU477006B2 (en) 1976-10-14
GB1426406A (en) 1976-02-25
JPS5727601B2 (de) 1982-06-11
DE2410396C2 (de) 1985-10-03

Similar Documents

Publication Publication Date Title
US2684469A (en) Mode selective attenuator
GB855723A (en) Improvements in or relating to electromagnetic wave transmission systems
US3353123A (en) Microwave filter comprising absorbing structures for removing suprious wave energy
US2961619A (en) Microwave filter
GB597662A (en) Improvements in and relating to ultra high frequency coupling devices and systems
US3657670A (en) Microwave bandpass filter with higher harmonics rejection function
US3451014A (en) Waveguide filter having branch means to absorb or attenuate frequencies above pass-band
US2866595A (en) Ultra-high frequency band separating filters
US4060778A (en) Microwave harmonic absorption filter
US3271706A (en) Microwave filter
US3805193A (en) Microwave harmonic filter employing cascaded alternate e-plane and h-plane t-junctions
US3327250A (en) Multi-mode broad-band selective coupler
US2975381A (en) Duplexers
US3074033A (en) Microwave frequency separator
US3237134A (en) Microwave filter
US3611214A (en) Waveguide reflective harmonic filter
US3593220A (en) High power microwave low-pass filter of the leaky wall type
US4922215A (en) Power divider in waveguide form
US3916352A (en) Waveguide filters
US3112460A (en) Electromagnetic wave devices
US3218586A (en) Transmission of dominant transverse electric mode in large rectangular waveguide, with polarization parallel to width, by use of mode absorber
US3042883A (en) Frequency wave-filter
US3918010A (en) Optimized rectangular wave guide to circular wave guide coupler
US3464035A (en) Filter coupled to microwave guide
US6127902A (en) Waveguide directional coupler capable of propagating higher order modes

Legal Events

Date Code Title Description
AS Assignment

Owner name: TECHNOLOGY FUNDING SECURED INVESTORS II, 2000 ALAM

Free format text: SECURITY INTEREST;ASSIGNOR:GAMMA MICROWAVE, INC.;REEL/FRAME:005471/0161

Effective date: 19900913

AS Assignment

Owner name: GAMMA MICROWAVE, INC., 5451 PATRICK HENRY DRIVE, S

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:VARIAN ASSOCIATES, INC.;REEL/FRAME:005566/0043

Effective date: 19901204

AS Assignment

Owner name: TECHNOLOGY FUNDING SECURED INVESTORS II, A CALIFO

Free format text: SECURITY INTEREST;ASSIGNOR:GAMMA MICROWAVE, INC. A CORP. OF CALIFORNIA;REEL/FRAME:005722/0513

Effective date: 19910523

AS Assignment

Owner name: TECHNOLOGY FUNDING SECURED INVESTORS II

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:GAMMA MICROWAVE, INC.;REEL/FRAME:005834/0789

Effective date: 19910905

AS Assignment

Owner name: TECHNOLOGY FUNDING SEC. IN. II, CALIFORNIA

Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:GAMMA MICROWAVE, INC.;REEL/FRAME:006355/0736

Effective date: 19921204

AS Assignment

Owner name: PREMIER MICROWAVE OF CALIFORNIA, INC., NEW YORK

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:TECHNOLOGY FUNDING SECURED INVESTORS II;TECHNOLOGY FUNDING SECURED INVESTORS II;REEL/FRAME:006364/0861

Effective date: 19921210

AS Assignment

Owner name: TECHNOLOGY FUNDING SECURED INVESTORS II, CALIFORNI

Free format text: SECURITY INTEREST;ASSIGNOR:PREMIER MICROWAVE OF CALIFORNIA, INC.;REEL/FRAME:006363/0388

Effective date: 19921210

AS Assignment

Owner name: PREMIER MICROWAVE OF CALIFORNIA, INC., NEW YORK

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:TECHNOLOGY FUNDING SECURED INVESTORS II;REEL/FRAME:007881/0304

Effective date: 19960111