KR970068147A - - Google Patents

Info

Publication number
KR970068147A
KR970068147A KR19970011246A KR19970011246A KR970068147A KR 970068147 A KR970068147 A KR 970068147A KR 19970011246 A KR19970011246 A KR 19970011246A KR 19970011246 A KR19970011246 A KR 19970011246A KR 970068147 A KR970068147 A KR 970068147A
Authority
KR
South Korea
Application number
KR19970011246A
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 filed Critical
Publication of KR970068147A publication Critical patent/KR970068147A/ko

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)
KR19970011246A 1996-03-29 1997-03-28 KR970068147A (ko)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
KR970068147A true KR970068147A (ko) 1997-10-13

Family

ID=10791335

Family Applications (1)

Application Number Title Priority Date Filing Date
KR19970011246A KR970068147A (ko) 1996-03-29 1997-03-28

Country Status (6)

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

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US9599813B1 (en) 2011-09-30 2017-03-21 Rockwell Collins, Inc. Waveguide combiner system and method with less susceptibility to glare
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US9523852B1 (en) 2012-03-28 2016-12-20 Rockwell Collins, Inc. Micro collimator system and method for a head up display (HUD)
CN106125308B (zh) 2012-04-25 2019-10-25 罗克韦尔柯林斯公司 用于显示图像的装置和方法
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
US9715110B1 (en) 2014-09-25 2017-07-25 Rockwell Collins, Inc. Automotive head up display (HUD)
US10088675B1 (en) 2015-05-18 2018-10-02 Rockwell Collins, Inc. Turning light pipe for a pupil expansion system and method
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
US10126552B2 (en) 2015-05-18 2018-11-13 Rockwell Collins, Inc. Micro collimator system and method for a head up display (HUD)
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
US10108010B2 (en) 2015-06-29 2018-10-23 Rockwell Collins, Inc. System for and method of integrating head up displays and head down displays
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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
EP3433658B1 (en) 2016-04-11 2023-08-09 DigiLens, Inc. Holographic waveguide apparatus for structured light projection
EP3548939A4 (en) 2016-12-02 2020-11-25 DigiLens Inc. UNIFORM OUTPUT LIGHTING WAVEGUIDE DEVICE
US10545346B2 (en) 2017-01-05 2020-01-28 Digilens Inc. Wearable heads up displays
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JP7404243B2 (ja) 2018-01-08 2023-12-25 ディジレンズ インコーポレイテッド 導波管セル内のホログラフィック格子の高スループット記録のためのシステムおよび方法
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JP2022525165A (ja) 2019-03-12 2022-05-11 ディジレンズ インコーポレイテッド ホログラフィック導波管バックライトおよび関連する製造方法
WO2020247930A1 (en) 2019-06-07 2020-12-10 Digilens Inc. Waveguides incorporating transmissive and reflective gratings and related methods of manufacturing
US11681143B2 (en) 2019-07-29 2023-06-20 Digilens Inc. Methods and apparatus for multiplying the image resolution and field-of-view of a pixelated display
EP4022370A4 (en) 2019-08-29 2023-08-30 Digilens Inc. VACUUM BRAGG GRATINGS AND METHODS OF MANUFACTURING
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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Also Published As

Publication number Publication date
EP0798852A1 (en) 1997-10-01
GB2312110B (en) 2000-07-05
US6043585A (en) 2000-03-28
EP0798852B1 (en) 2005-08-24
JPH1075155A (ja) 1998-03-17
JP3281569B2 (ja) 2002-05-13
DE69734033T2 (de) 2006-01-12
GB2312110A (en) 1997-10-15
DE69734033D1 (de) 2005-09-29
GB9606741D0 (en) 1996-06-05

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