DE2825432C2 - Quasioptisches Bandsperrfilter - Google Patents

Quasioptisches Bandsperrfilter

Info

Publication number
DE2825432C2
DE2825432C2 DE2825432A DE2825432A DE2825432C2 DE 2825432 C2 DE2825432 C2 DE 2825432C2 DE 2825432 A DE2825432 A DE 2825432A DE 2825432 A DE2825432 A DE 2825432A DE 2825432 C2 DE2825432 C2 DE 2825432C2
Authority
DE
Germany
Prior art keywords
filter
hybrid coupler
band
resonators
resonator
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
DE2825432A
Other languages
German (de)
English (en)
Other versions
DE2825432A1 (de
Inventor
Nobuo Yokosuka Kanagawa Nakajima
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 DE2825432A1 publication Critical patent/DE2825432A1/de
Application granted granted Critical
Publication of DE2825432C2 publication Critical patent/DE2825432C2/de
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)
DE2825432A 1977-06-10 1978-06-09 Quasioptisches Bandsperrfilter Expired DE2825432C2 (de)

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 (2)

Publication Number Publication Date
DE2825432A1 DE2825432A1 (de) 1978-12-14
DE2825432C2 true DE2825432C2 (de) 1982-01-28

Family

ID=13355952

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2825432A Expired DE2825432C2 (de) 1977-06-10 1978-06-09 Quasioptisches Bandsperrfilter

Country Status (5)

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

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 (enExample) * 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
US7903906B2 (en) * 2006-12-01 2011-03-08 3M Innovative Properties Company Optical sensing devices and 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
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
US4185257A (en) 1980-01-22
JPS5719881B2 (enExample) 1982-04-24
JPS543449A (en) 1979-01-11
GB1602769A (en) 1981-11-18
DE2825432A1 (de) 1978-12-14
FR2394184B1 (enExample) 1983-07-08
FR2394184A1 (fr) 1979-01-05

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
D2 Grant after examination
8327 Change in the person/name/address of the patent owner

Owner name: NIPPON TELEGRAPH AND TELEPHONE CORP., TOKIO/TOKYO,

8328 Change in the person/name/address of the agent

Free format text: KRAMER, R., DIPL.-ING. WESER, W., DIPL.-PHYS. DR.RER.NAT. HOFFMANN, E., DIPL.-ING., 8000 MUENCHEN BLUMBACH, P., DIPL.-ING. ZWIRNER, G., DIPL.-ING. DIPL.-WIRTSCH.-ING., PAT.-ANW., 6200 WIESBADEN

8339 Ceased/non-payment of the annual fee