AU661556B2 - Filter - Google Patents

Filter Download PDF

Info

Publication number
AU661556B2
AU661556B2 AU33973/93A AU3397393A AU661556B2 AU 661556 B2 AU661556 B2 AU 661556B2 AU 33973/93 A AU33973/93 A AU 33973/93A AU 3397393 A AU3397393 A AU 3397393A AU 661556 B2 AU661556 B2 AU 661556B2
Authority
AU
Australia
Prior art keywords
filter
strip
filter device
directional coupler
lines
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.)
Ceased
Application number
AU33973/93A
Other languages
English (en)
Other versions
AU3397393A (en
Inventor
Seppo Yrjola
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.)
Powerwave Comtek Oy
Original Assignee
LK Products Oy
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 LK Products Oy filed Critical LK Products Oy
Publication of AU3397393A publication Critical patent/AU3397393A/en
Application granted granted Critical
Publication of AU661556B2 publication Critical patent/AU661556B2/en
Assigned to FILTRONIC LK OY reassignment FILTRONIC LK OY Request to Amend Deed and Register Assignors: LK-PRODUCTS OY
Anticipated expiration legal-status Critical
Ceased 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00Coupling devices of the waveguide type
    • H01P5/12Coupling devices having more than two ports
    • H01P5/16Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/18Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers

Landscapes

  • Transceivers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Transmitters (AREA)
AU33973/93A 1992-03-09 1993-03-03 Filter Ceased AU661556B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI921025 1992-03-09
FI921025A FI90478C (fi) 1992-03-09 1992-03-09 Suodatin

Publications (2)

Publication Number Publication Date
AU3397393A AU3397393A (en) 1993-09-16
AU661556B2 true AU661556B2 (en) 1995-07-27

Family

ID=8534886

Family Applications (1)

Application Number Title Priority Date Filing Date
AU33973/93A Ceased AU661556B2 (en) 1992-03-09 1993-03-03 Filter

Country Status (7)

Country Link
EP (1) EP0560503B1 (fr)
JP (1) JPH06120708A (fr)
AU (1) AU661556B2 (fr)
CA (1) CA2091089A1 (fr)
DE (1) DE69321859T2 (fr)
DK (1) DK0560503T3 (fr)
FI (1) FI90478C (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI110391B (fi) * 1995-11-08 2003-01-15 Solitra Oy Kotelorakenteinen suodatin
FI980911A (fi) * 1998-04-24 1999-10-25 Nokia Networks Oy Resonaattorirakenne
JP2003204203A (ja) * 2002-01-08 2003-07-18 Murata Mfg Co Ltd 方向性結合器付きフィルタおよび通信装置
EP2180672B1 (fr) 2008-10-23 2018-01-24 Volkswagen Aktiengesellschaft Système d'appareil mobile pour véhicules automobiles
DE102009050529B4 (de) 2009-10-23 2020-06-04 Volkswagen Ag Mobilgerätsystem für ein Kraftfahrzeug
DE202009017289U1 (de) 2009-12-22 2010-03-25 Volkswagen Ag Bedienteil zur Bedienung eines Mobiltelefons in einem Kraftfahrzeug

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829770A (en) * 1971-10-26 1974-08-13 Coaxial Dynamics Inc Directional coupler for transmission lines
US4232401A (en) * 1979-08-20 1980-11-04 The United States Of America As Represented By The Secretary Of The Army Millimeter wave image guide integrated balanced mixer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE527584A (fr) * 1952-05-08
US4433314A (en) * 1982-01-21 1984-02-21 The United States Of America As Represented By The Secretary Of The Navy Millimeter wave suspended substrate multiplexer
GB8305411D0 (en) * 1983-02-26 1983-03-30 Lucas Ind Plc Microwave filter
CA1218119A (fr) * 1984-03-15 1987-02-17 Andrey Polischuk Protecteur contre les surcharges
US5230093A (en) * 1991-05-03 1993-07-20 Rich Randall W Transmitter filter with integral directional coupler for cellular telephones

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829770A (en) * 1971-10-26 1974-08-13 Coaxial Dynamics Inc Directional coupler for transmission lines
US4232401A (en) * 1979-08-20 1980-11-04 The United States Of America As Represented By The Secretary Of The Army Millimeter wave image guide integrated balanced mixer

Also Published As

Publication number Publication date
JPH06120708A (ja) 1994-04-28
FI921025A0 (fi) 1992-03-09
DE69321859T2 (de) 1999-05-12
AU3397393A (en) 1993-09-16
EP0560503A1 (fr) 1993-09-15
FI90478C (fi) 1994-02-10
CA2091089A1 (fr) 1993-09-10
DK0560503T3 (da) 1999-07-19
FI90478B (fi) 1993-10-29
FI921025A (fi) 1993-09-10
EP0560503B1 (fr) 1998-11-04
DE69321859D1 (de) 1998-12-10

Similar Documents

Publication Publication Date Title
US5432489A (en) Filter with strip lines
US5467065A (en) Filter having resonators coupled by a saw filter and a duplex filter formed therefrom
EP0838874B1 (fr) Filtre régulé électriquement
US3641464A (en) Directional communication signal tap
JPH06501833A (ja) 無線装置用方向性結合器
US8125296B2 (en) Radio device antenna filter arrangement
EP0575174A1 (fr) Filtre duplex composé
US5977920A (en) Double antenna especially for vehicles
KR100313717B1 (ko) 대칭적인 감쇄극 특성을 갖는 유전체 공진기형 대역 통과 필터
EP1728295A1 (fr) Dispositif d'entree destine a une paire d'amplificateurs a faible bruit
JP4611811B2 (ja) フィンライン型マイクロ波帯域通過フィルタ
US2951149A (en) Microwave radio receiver
AU661556B2 (en) Filter
EP0402873B1 (fr) Appareil de filtrage
CN207368186U (zh) 一种带阻滤波器及通信设备
EP0079688A2 (fr) Duplexeur pour micro-ondes
JPS6053962B2 (ja) 空中線共用器
US4249148A (en) Cubical multiple cavity filter and combiner
WO1998025321A1 (fr) Resonateur hyperfrequence
US4458217A (en) Slot-coupled microwave diplexer and coupler therefor
US5745328A (en) Electromagnetic impulse suppression curcuit
US6809615B2 (en) Band-pass filter and communication apparatus
JPS60165103A (ja) 誘電体共振器のリアクタンス調整方法
US6812809B2 (en) Method of tuning a summing network
US2897499A (en) Uhf antenna multicoupler system or the like

Legal Events

Date Code Title Description
HB Alteration of name in register

Owner name: ON="FILTRONIC" LK OY; FT="FORMER" NAME WAS: LK-PRODUCT