DE69225988D1 - Abzweigfilter - Google Patents

Abzweigfilter

Info

Publication number
DE69225988D1
DE69225988D1 DE69225988T DE69225988T DE69225988D1 DE 69225988 D1 DE69225988 D1 DE 69225988D1 DE 69225988 T DE69225988 T DE 69225988T DE 69225988 T DE69225988 T DE 69225988T DE 69225988 D1 DE69225988 D1 DE 69225988D1
Authority
DE
Germany
Prior art keywords
branch filter
branch
filter
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 - Fee Related
Application number
DE69225988T
Other languages
English (en)
Other versions
DE69225988T2 (de
Inventor
Yoshio Minowa
Yuhei Kosugi
Motoyuki Hitotsuyanagi
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.)
NEC Corp
Original Assignee
NEC 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
Priority claimed from JP6407591A external-priority patent/JP2707862B2/ja
Priority claimed from JP3126871A external-priority patent/JP2800459B2/ja
Application filed by NEC Corp filed Critical NEC Corp
Publication of DE69225988D1 publication Critical patent/DE69225988D1/de
Application granted granted Critical
Publication of DE69225988T2 publication Critical patent/DE69225988T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
DE69225988T 1991-03-04 1992-03-04 Abzweigfilter Expired - Fee Related DE69225988T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6407591A JP2707862B2 (ja) 1991-03-04 1991-03-04 送受分波器
JP3126871A JP2800459B2 (ja) 1991-04-30 1991-04-30 モジュール型通信装置

Publications (2)

Publication Number Publication Date
DE69225988D1 true DE69225988D1 (de) 1998-07-30
DE69225988T2 DE69225988T2 (de) 1999-02-11

Family

ID=26405206

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69225988T Expired - Fee Related DE69225988T2 (de) 1991-03-04 1992-03-04 Abzweigfilter
DE69232141T Expired - Fee Related DE69232141T2 (de) 1991-03-04 1992-03-04 Sender-Empfänger

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69232141T Expired - Fee Related DE69232141T2 (de) 1991-03-04 1992-03-04 Sender-Empfänger

Country Status (5)

Country Link
US (1) US5243306A (de)
EP (2) EP0502499B1 (de)
AU (1) AU648962B2 (de)
CA (1) CA2062209C (de)
DE (2) DE69225988T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2570588B2 (ja) * 1993-07-29 1997-01-08 日本電気株式会社 送受信装置
JPH07202506A (ja) * 1993-12-28 1995-08-04 Nec Corp 送受信分波器
US5578972A (en) * 1995-03-17 1996-11-26 Hughes Aircraft Transmit/receive isolation assembly for a very small aperture satellite terminal
US6496084B1 (en) 2001-08-09 2002-12-17 Andrew Corporation Split ortho-mode transducer with high isolation between ports
FR2833763B1 (fr) * 2001-12-14 2005-07-01 Manuf D App Electr De Cahors M Guide d'ondes en deux parties assemblees l'une contre l'autre
DE102007054717B4 (de) * 2007-11-14 2010-09-30 Inor Process Ab Transmitter und Verfahren zur Herstellung eines Transmitters
ES2362761B1 (es) * 2009-04-28 2012-05-23 Ferox Comunications, S.L. Multiplexor de polarización cruzada.
CN104812195B (zh) * 2015-05-11 2017-10-03 四川安能能源技术有限公司 应用于一体化基站的防水机壳
EP3447839A1 (de) * 2017-08-21 2019-02-27 Nokia Shanghai Bell Co., Ltd. Verfahren und vorrichtung für elektromagnetische hohlleiter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1294502A (en) * 1969-05-24 1972-11-01 Hitachi Electronics Frequency variable directional filter
US4458217A (en) * 1981-10-05 1984-07-03 Hughes Aircraft Company Slot-coupled microwave diplexer and coupler therefor
US4783639A (en) * 1985-11-21 1988-11-08 Hughes Aircraft Company Wideband microwave diplexer including band pass and band stop resonators
CA1259676A (en) * 1986-12-04 1989-09-19 Chuck K. Mok 14/12 ghz duplexer
JPH0650801B2 (ja) * 1986-12-23 1994-06-29 三菱電機株式会社 導波管形分波器
US4902991A (en) * 1987-03-12 1990-02-20 Murata Manufacturing Co., Ltd. Radio frequency signal combining/sorting device
JPH033801A (ja) * 1988-12-07 1991-01-09 Fuji Electric Co Ltd 自動押込装置付の塵芥収容箱

Also Published As

Publication number Publication date
EP0502499A2 (de) 1992-09-09
EP0809316A1 (de) 1997-11-26
CA2062209A1 (en) 1992-09-05
US5243306A (en) 1993-09-07
DE69232141T2 (de) 2002-03-21
DE69232141D1 (de) 2001-11-22
AU648962B2 (en) 1994-05-05
EP0502499B1 (de) 1998-06-24
DE69225988T2 (de) 1999-02-11
CA2062209C (en) 1996-01-16
AU1144192A (en) 1992-09-10
EP0502499A3 (en) 1993-03-17
EP0809316B1 (de) 2001-10-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee