GB1602769A - Quasioptical band rejection filter - Google Patents

Quasioptical band rejection filter Download PDF

Info

Publication number
GB1602769A
GB1602769A GB22270/78A GB2227078A GB1602769A GB 1602769 A GB1602769 A GB 1602769A GB 22270/78 A GB22270/78 A GB 22270/78A GB 2227078 A GB2227078 A GB 2227078A GB 1602769 A GB1602769 A GB 1602769A
Authority
GB
United Kingdom
Prior art keywords
hybrid
filter
quasioptical
band rejection
coupling disks
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
GB22270/78A
Other languages
English (en)
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of GB1602769A publication Critical patent/GB1602769A/en
Expired legal-status Critical Current

Links

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

  • Control Of Motors That Do Not Use Commutators (AREA)
GB22270/78A 1977-06-10 1978-05-25 Quasioptical band rejection filter Expired GB1602769A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6782077A JPS543449A (en) 1977-06-10 1977-06-10 Semioptical band blooking filter

Publications (1)

Publication Number Publication Date
GB1602769A true GB1602769A (en) 1981-11-18

Family

ID=13355952

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22270/78A Expired GB1602769A (en) 1977-06-10 1978-05-25 Quasioptical band rejection filter

Country Status (5)

Country Link
US (1) US4185257A (https=)
JP (1) JPS543449A (https=)
DE (1) DE2825432C2 (https=)
FR (1) FR2394184A1 (https=)
GB (1) GB1602769A (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2488055A1 (fr) * 1980-07-31 1982-02-05 Thomson Csf Transducteur d'antenne pour antenne d'emission-reception et source primaire d'antenne equipee d'un tel transducteur
JPS6191688U (https=) * 1984-11-20 1986-06-13
JPS634707A (ja) * 1986-06-25 1988-01-09 Matsushita Electric Works Ltd 埋込型ノイズフイルタ
US7702202B2 (en) 2006-12-01 2010-04-20 3M Innovative Properties Company Optical microresonator
US7512298B2 (en) 2006-12-01 2009-03-31 3M Innovative Properties Company Optical sensing methods
US7486855B2 (en) * 2006-12-27 2009-02-03 3M Innovative Properties Company Optical microresonator
US7903240B2 (en) * 2006-12-01 2011-03-08 3M Innovative Properties Company Optical sensing device
US7933022B2 (en) 2006-12-01 2011-04-26 3M Innovative Properties Company Integrated optical disk resonator
US7903906B2 (en) * 2006-12-01 2011-03-08 3M Innovative Properties Company Optical sensing devices and methods
JP5499080B2 (ja) 2012-05-23 2014-05-21 アンリツ株式会社 ミリ波帯フィルタおよびその製造方法
JP6196793B2 (ja) * 2013-03-28 2017-09-13 アンリツ株式会社 ミリ波帯スペクトラム解析装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2108687C3 (de) * 1971-02-24 1978-09-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Periodischer Band-Multiplexer für HOl -Hohlkabelsysteme
US4034315A (en) * 1975-03-08 1977-07-05 Licentia Patent-Verwaltungs-G.M.B.H. Waveguide directional coupler
DE2541593C2 (de) * 1975-09-18 1984-01-05 ANT Nachrichtentechnik GmbH, 7150 Backnang Frequenzperiodische Mikrowellenkanalweiche hoher Trennschärfe

Also Published As

Publication number Publication date
JPS5719881B2 (https=) 1982-04-24
US4185257A (en) 1980-01-22
FR2394184B1 (https=) 1983-07-08
JPS543449A (en) 1979-01-11
DE2825432C2 (de) 1982-01-28
FR2394184A1 (fr) 1979-01-05
DE2825432A1 (de) 1978-12-14

Similar Documents

Publication Publication Date Title
US3899759A (en) Electric wave resonators
US3840828A (en) Temperature-stable dielectric resonator filters for stripline
US4185257A (en) Quasioptical band rejection filter
US4267537A (en) Right circular cylindrical sector cavity filter
Pfitzenmaier Synthesis and realization of narrow-band canonical microwave bandpass filters exhibiting linear phase and transmission zeros
US3969692A (en) Generalized waveguide bandpass filters
EP0084854B1 (en) Resonator type bandpass filter
US3815137A (en) Notch filter network
Amari et al. A universal building block for advanced modular design of microwave filters
US6218915B1 (en) Dual-mode ring resonator
US5254963A (en) Microwave filter with a wide spurious-free band-stop response
Thal Cylindrical TE/sub 011//TM/sub 111/Mode Control by Cavity Shaping
US4156213A (en) Wide-band circular polarizer
US5004993A (en) Constricted split block waveguide low pass filter with printed circuit filter substrate
US3649934A (en) Quasi-optical low-pass absorption type filtering system
Rosenberg et al. Filter design using in-line triple-mode cavities and novel iris couplings
Livingston Predistorted waveguide filters for use in communications systems
EP2077600A1 (en) Cavity filter coupling system
JP2765396B2 (ja) ストリップ線路フィルタ及びマイクロストリップ線路フィルタ
US20040246078A1 (en) Waveguide quardruple mode microwave filter having zero transmission
Hauth et al. The Corrugated-Waveguide Sand-Pass Filter-A New Type of Waveguide Filter
US5471182A (en) Broadband pressure barrier for circular waveguide
JPS6390203A (ja) 誘電体フイルタ
Nakajima et al. A Quasioptical Circuit Technology for Shorttillimeter-Wavelength Multiplexer
US3668565A (en) Low profile waveguide channel diplexer

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee