DE69734033D1 - Akustisches Wellenfilter - Google Patents

Akustisches Wellenfilter

Info

Publication number
DE69734033D1
DE69734033D1 DE69734033T DE69734033T DE69734033D1 DE 69734033 D1 DE69734033 D1 DE 69734033D1 DE 69734033 T DE69734033 T DE 69734033T DE 69734033 T DE69734033 T DE 69734033T DE 69734033 D1 DE69734033 D1 DE 69734033D1
Authority
DE
Germany
Prior art keywords
acoustic wave
wave filter
filter
acoustic
wave
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
DE69734033T
Other languages
English (en)
Other versions
DE69734033T2 (de
Inventor
Victor Plessky
Serguei Kondratiev
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE69734033D1 publication Critical patent/DE69734033D1/de
Publication of DE69734033T2 publication Critical patent/DE69734033T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6433—Coupled resonator filters
    • H03H9/6483—Ladder SAW filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/1455—Transducers of particular shape or position constituted of N parallel or series transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE69734033T 1996-03-29 1997-03-14 Akustisches Wellenfilter Expired - Lifetime DE69734033T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9606741A GB2312110B (en) 1996-03-29 1996-03-29 Acoustic wave filter
GB9606741 1996-03-29

Publications (2)

Publication Number Publication Date
DE69734033D1 true DE69734033D1 (de) 2005-09-29
DE69734033T2 DE69734033T2 (de) 2006-01-12

Family

ID=10791335

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69734033T Expired - Lifetime DE69734033T2 (de) 1996-03-29 1997-03-14 Akustisches Wellenfilter

Country Status (6)

Country Link
US (1) US6043585A (de)
EP (1) EP0798852B1 (de)
JP (1) JP3281569B2 (de)
KR (1) KR970068147A (de)
DE (1) DE69734033T2 (de)
GB (1) GB2312110B (de)

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JP2003298392A (ja) * 2002-03-29 2003-10-17 Fujitsu Media Device Kk フィルタチップ及びフィルタ装置
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US10795160B1 (en) 2014-09-25 2020-10-06 Rockwell Collins, Inc. Systems for and methods of using fold gratings for dual axis expansion
US11320571B2 (en) 2012-11-16 2022-05-03 Rockwell Collins, Inc. Transparent waveguide display providing upper and lower fields of view with uniform light extraction
US9341846B2 (en) 2012-04-25 2016-05-17 Rockwell Collins Inc. Holographic wide angle display
US8659826B1 (en) 2010-02-04 2014-02-25 Rockwell Collins, Inc. Worn display system and method without requiring real time tracking for boresight precision
WO2012136970A1 (en) 2011-04-07 2012-10-11 Milan Momcilo Popovich Laser despeckler based on angular diversity
US10670876B2 (en) 2011-08-24 2020-06-02 Digilens Inc. Waveguide laser illuminator incorporating a despeckler
EP2748670B1 (de) 2011-08-24 2015-11-18 Rockwell Collins, Inc. Tragbare datenanzeige
WO2016020630A2 (en) 2014-08-08 2016-02-11 Milan Momcilo Popovich Waveguide laser illuminator incorporating a despeckler
US9715067B1 (en) 2011-09-30 2017-07-25 Rockwell Collins, Inc. Ultra-compact HUD utilizing waveguide pupil expander with surface relief gratings in high refractive index materials
US8634139B1 (en) 2011-09-30 2014-01-21 Rockwell Collins, Inc. System for and method of catadioptric collimation in a compact head up display (HUD)
US9599813B1 (en) 2011-09-30 2017-03-21 Rockwell Collins, Inc. Waveguide combiner system and method with less susceptibility to glare
US9366864B1 (en) 2011-09-30 2016-06-14 Rockwell Collins, Inc. System for and method of displaying information without need for a combiner alignment detector
US20150010265A1 (en) 2012-01-06 2015-01-08 Milan, Momcilo POPOVICH Contact image sensor using switchable bragg gratings
US9523852B1 (en) 2012-03-28 2016-12-20 Rockwell Collins, Inc. Micro collimator system and method for a head up display (HUD)
US9933684B2 (en) * 2012-11-16 2018-04-03 Rockwell Collins, Inc. Transparent waveguide display providing upper and lower fields of view having a specific light output aperture configuration
US9674413B1 (en) 2013-04-17 2017-06-06 Rockwell Collins, Inc. Vision system and method having improved performance and solar mitigation
US9727772B2 (en) 2013-07-31 2017-08-08 Digilens, Inc. Method and apparatus for contact image sensing
US9244281B1 (en) 2013-09-26 2016-01-26 Rockwell Collins, Inc. Display system and method using a detached combiner
US10732407B1 (en) 2014-01-10 2020-08-04 Rockwell Collins, Inc. Near eye head up display system and method with fixed combiner
US9519089B1 (en) 2014-01-30 2016-12-13 Rockwell Collins, Inc. High performance volume phase gratings
US9244280B1 (en) 2014-03-25 2016-01-26 Rockwell Collins, Inc. Near eye display system and method for display enhancement or redundancy
WO2016020632A1 (en) 2014-08-08 2016-02-11 Milan Momcilo Popovich Method for holographic mastering and replication
WO2016042283A1 (en) 2014-09-19 2016-03-24 Milan Momcilo Popovich Method and apparatus for generating input images for holographic waveguide displays
US10088675B1 (en) 2015-05-18 2018-10-02 Rockwell Collins, Inc. Turning light pipe for a pupil expansion system and method
US9715110B1 (en) 2014-09-25 2017-07-25 Rockwell Collins, Inc. Automotive head up display (HUD)
CN107873086B (zh) 2015-01-12 2020-03-20 迪吉伦斯公司 环境隔离的波导显示器
US9632226B2 (en) 2015-02-12 2017-04-25 Digilens Inc. Waveguide grating device
US10247943B1 (en) 2015-05-18 2019-04-02 Rockwell Collins, Inc. Head up display (HUD) using a light pipe
US11366316B2 (en) 2015-05-18 2022-06-21 Rockwell Collins, Inc. Head up display (HUD) using a light pipe
US10126552B2 (en) 2015-05-18 2018-11-13 Rockwell Collins, Inc. Micro collimator system and method for a head up display (HUD)
US10108010B2 (en) 2015-06-29 2018-10-23 Rockwell Collins, Inc. System for and method of integrating head up displays and head down displays
WO2017060665A1 (en) 2015-10-05 2017-04-13 Milan Momcilo Popovich Waveguide display
US10305447B2 (en) 2015-11-13 2019-05-28 Resonant Inc. Acoustic wave filter with enhanced rejection
US9608595B1 (en) * 2015-11-13 2017-03-28 Resonant Inc. Acoustic wave filter with enhanced rejection
US10598932B1 (en) 2016-01-06 2020-03-24 Rockwell Collins, Inc. Head up display for integrating views of conformally mapped symbols and a fixed image source
JP6895451B2 (ja) 2016-03-24 2021-06-30 ディジレンズ インコーポレイテッド 偏光選択ホログラフィー導波管デバイスを提供するための方法および装置
JP6734933B2 (ja) 2016-04-11 2020-08-05 ディジレンズ インコーポレイテッド 構造化光投影のためのホログラフィック導波管装置
WO2018102834A2 (en) 2016-12-02 2018-06-07 Digilens, Inc. Waveguide device with uniform output illumination
US10545346B2 (en) 2017-01-05 2020-01-28 Digilens Inc. Wearable heads up displays
US10295824B2 (en) 2017-01-26 2019-05-21 Rockwell Collins, Inc. Head up display with an angled light pipe
WO2019079350A2 (en) 2017-10-16 2019-04-25 Digilens, Inc. SYSTEMS AND METHODS FOR MULTIPLYING THE IMAGE RESOLUTION OF A PIXÉLISÉ DISPLAY
KR20200108030A (ko) 2018-01-08 2020-09-16 디지렌즈 인코포레이티드. 도파관 셀 내의 홀로그래픽 격자의 높은 처리능력의 레코딩을 위한 시스템 및 방법
WO2019136476A1 (en) 2018-01-08 2019-07-11 Digilens, Inc. Waveguide architectures and related methods of manufacturing
WO2020023779A1 (en) 2018-07-25 2020-01-30 Digilens Inc. Systems and methods for fabricating a multilayer optical structure
JP2022520472A (ja) 2019-02-15 2022-03-30 ディジレンズ インコーポレイテッド 統合された格子を使用してホログラフィック導波管ディスプレイを提供するための方法および装置
CN113728258A (zh) 2019-03-12 2021-11-30 迪吉伦斯公司 全息波导背光及相关制造方法
US20200386947A1 (en) 2019-06-07 2020-12-10 Digilens Inc. Waveguides Incorporating Transmissive and Reflective Gratings and Related Methods of Manufacturing
WO2021021926A1 (en) 2019-07-29 2021-02-04 Digilens Inc. Methods and apparatus for multiplying the image resolution and field-of-view of a pixelated display
KR20220054386A (ko) 2019-08-29 2022-05-02 디지렌즈 인코포레이티드. 진공 브래그 격자 및 이의 제조 방법
CN113540723B (zh) * 2021-09-16 2022-07-22 江苏大学 一种调频双频带亚波长声信号滤波器件

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SU726647A1 (ru) * 1977-07-22 1980-04-05 Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср Полосовой фильтр на поверхностных акустических волнах
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JP2601543B2 (ja) * 1989-04-25 1997-04-16 日本無線株式会社 弾性表面波フィルタ
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DE4214122C2 (de) * 1992-04-29 2001-02-22 Siemens Ag Zweispur-Oberflächenwellenanordnung mit verbesserter Selektionseigenschaft
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JPH0750548A (ja) * 1993-05-31 1995-02-21 Canon Inc 弾性表面波素子
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US5471178A (en) * 1994-02-03 1995-11-28 Motorola, Inc. Ladder filter and method for producing conjugately matched impedance
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JP3181475B2 (ja) * 1994-08-12 2001-07-03 ティーディーケイ株式会社 弾性表面波装置
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Also Published As

Publication number Publication date
US6043585A (en) 2000-03-28
DE69734033T2 (de) 2006-01-12
GB2312110A (en) 1997-10-15
GB9606741D0 (en) 1996-06-05
EP0798852B1 (de) 2005-08-24
JP3281569B2 (ja) 2002-05-13
KR970068147A (de) 1997-10-13
JPH1075155A (ja) 1998-03-17
GB2312110B (en) 2000-07-05
EP0798852A1 (de) 1997-10-01

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Legal Events

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8364 No opposition during term of opposition