CN1131597C - 一种用于减少无线电频率诸信号互调失真的布置结构 - Google Patents
一种用于减少无线电频率诸信号互调失真的布置结构 Download PDFInfo
- Publication number
- CN1131597C CN1131597C CN98800571A CN98800571A CN1131597C CN 1131597 C CN1131597 C CN 1131597C CN 98800571 A CN98800571 A CN 98800571A CN 98800571 A CN98800571 A CN 98800571A CN 1131597 C CN1131597 C CN 1131597C
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- Prior art keywords
- transmission line
- ground plane
- parts
- printed circuit
- circuit board
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- 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.)
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Images
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
- H01P1/2135—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using strip line filters
Landscapes
- Transceivers (AREA)
- Noise Elimination (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Superheterodyne Receivers (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI971850A FI971850A (fi) | 1997-04-30 | 1997-04-30 | Järjestely radiotaajuisten signaalien keskeishäiriöiden vähentämiseksi |
FI971850 | 1997-04-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1225761A CN1225761A (zh) | 1999-08-11 |
CN1131597C true CN1131597C (zh) | 2003-12-17 |
Family
ID=8548765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98800571A Expired - Fee Related CN1131597C (zh) | 1997-04-30 | 1998-04-28 | 一种用于减少无线电频率诸信号互调失真的布置结构 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6321069B1 (zh) |
EP (1) | EP0922336B1 (zh) |
JP (1) | JP2000513913A (zh) |
CN (1) | CN1131597C (zh) |
AT (1) | ATE260519T1 (zh) |
AU (1) | AU737085C (zh) |
DE (1) | DE69821875T2 (zh) |
FI (1) | FI971850A (zh) |
NO (1) | NO986183L (zh) |
WO (1) | WO1998052291A1 (zh) |
Families Citing this family (55)
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CA2479685A1 (en) * | 2002-03-18 | 2003-10-02 | Ems Technologies, Inc. | Passive intermodulation interference control circuits |
GB0718706D0 (en) | 2007-09-25 | 2007-11-07 | Creative Physics Ltd | Method and apparatus for reducing laser speckle |
US11726332B2 (en) | 2009-04-27 | 2023-08-15 | Digilens Inc. | Diffractive projection apparatus |
US9335604B2 (en) | 2013-12-11 | 2016-05-10 | Milan Momcilo Popovich | Holographic waveguide display |
US9341846B2 (en) | 2012-04-25 | 2016-05-17 | Rockwell Collins Inc. | Holographic wide angle display |
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 |
US10795160B1 (en) | 2014-09-25 | 2020-10-06 | Rockwell Collins, Inc. | Systems for and methods of using fold gratings for dual axis expansion |
US8233204B1 (en) | 2009-09-30 | 2012-07-31 | Rockwell Collins, Inc. | Optical displays |
US11300795B1 (en) | 2009-09-30 | 2022-04-12 | Digilens Inc. | Systems for and methods of using fold gratings coordinated with output couplers for dual axis expansion |
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 |
WO2016020630A2 (en) | 2014-08-08 | 2016-02-11 | Milan Momcilo Popovich | Waveguide laser illuminator incorporating a despeckler |
US20140204455A1 (en) | 2011-08-24 | 2014-07-24 | Milan Momcilo Popovich | Wearable data display |
US9599813B1 (en) | 2011-09-30 | 2017-03-21 | Rockwell Collins, Inc. | Waveguide combiner system and method with less susceptibility to glare |
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) |
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 |
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 |
WO2013102759A2 (en) | 2012-01-06 | 2013-07-11 | 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 |
US10359736B2 (en) | 2014-08-08 | 2019-07-23 | Digilens Inc. | Method for holographic mastering and replication |
US10241330B2 (en) | 2014-09-19 | 2019-03-26 | Digilens, Inc. | 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 |
US10126552B2 (en) | 2015-05-18 | 2018-11-13 | Rockwell Collins, Inc. | Micro collimator system and method for a head up display (HUD) |
US11366316B2 (en) | 2015-05-18 | 2022-06-21 | Rockwell Collins, Inc. | Head up display (HUD) using a light pipe |
US10247943B1 (en) | 2015-05-18 | 2019-04-02 | 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 |
WO2017060665A1 (en) | 2015-10-05 | 2017-04-13 | Milan Momcilo Popovich | Waveguide display |
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 |
WO2017162999A1 (en) | 2016-03-24 | 2017-09-28 | Popovich Milan Momcilo | Method and apparatus for providing a polarization selective holographic waveguide device |
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 |
WO2018129398A1 (en) | 2017-01-05 | 2018-07-12 | 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 |
JP7399084B2 (ja) | 2017-10-16 | 2023-12-15 | ディジレンズ インコーポレイテッド | ピクセル化されたディスプレイの画像分解能を倍増させるためのシステムおよび方法 |
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 |
WO2019136476A1 (en) | 2018-01-08 | 2019-07-11 | Digilens, Inc. | Waveguide architectures and related methods of manufacturing |
US20190212588A1 (en) | 2018-01-08 | 2019-07-11 | Digilens, Inc. | Systems and Methods for Manufacturing Waveguide Cells |
US10994496B2 (en) | 2018-05-04 | 2021-05-04 | Tpi Composites, Inc. | Perimeter plates for wind turbine blade manufacturing |
US11402801B2 (en) | 2018-07-25 | 2022-08-02 | Digilens Inc. | Systems and methods for fabricating a multilayer optical structure |
EP3924759A4 (en) | 2019-02-15 | 2022-12-28 | Digilens Inc. | METHODS AND APPARATUS FOR MAKING A HOLOGRAPHIC WAVEGUIDE DISPLAY WITH INTEGRATED GRIDINGS |
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 |
US20200386947A1 (en) | 2019-06-07 | 2020-12-10 | Digilens Inc. | Waveguides Incorporating Transmissive and Reflective Gratings and Related Methods of Manufacturing |
EP4004646A4 (en) | 2019-07-29 | 2023-09-06 | Digilens Inc. | METHODS AND APPARATUS FOR MULTIPLYING THE IMAGE RESOLUTION AND FIELD OF VIEW OF A PIXELATED DISPLAY SCREEN |
KR20220054386A (ko) | 2019-08-29 | 2022-05-02 | 디지렌즈 인코포레이티드. | 진공 브래그 격자 및 이의 제조 방법 |
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US4001711A (en) * | 1974-08-05 | 1977-01-04 | Motorola, Inc. | Radio frequency power amplifier constructed as hybrid microelectronic unit |
US4418972A (en) * | 1982-02-01 | 1983-12-06 | Burroughs Corporation | Electrical connector for printed wiring board |
US4480240A (en) * | 1982-09-30 | 1984-10-30 | Gould Harry J | Apparatus for separating rf ground plane from housing |
US4609892A (en) * | 1985-09-30 | 1986-09-02 | Motorola, Inc. | Stripline filter apparatus and method of making the same |
FR2606226B1 (fr) | 1986-11-05 | 1988-12-09 | Merlin Gerin | Convertisseur statique comportant un filtre de protection contre les perturbations haute frequence |
US5023866A (en) * | 1987-02-27 | 1991-06-11 | Motorola, Inc. | Duplexer filter having harmonic rejection to control flyback |
US4785271A (en) * | 1987-11-24 | 1988-11-15 | Motorola, Inc. | Stripline filter with improved resonator structure |
US5355524A (en) * | 1992-01-21 | 1994-10-11 | Motorola, Inc. | Integrated radio receiver/transmitter structure |
FI90808C (fi) * | 1992-05-08 | 1994-03-25 | Lk Products Oy | Resonaattorirakenne |
GB9216915D0 (en) * | 1992-08-10 | 1992-09-23 | Applied Radiation Lab | Improved radio frequency filter |
JP3031178B2 (ja) * | 1994-09-28 | 2000-04-10 | 株式会社村田製作所 | 複合高周波部品 |
-
1997
- 1997-04-30 FI FI971850A patent/FI971850A/fi unknown
-
1998
- 1998-04-28 WO PCT/FI1998/000368 patent/WO1998052291A1/en active IP Right Grant
- 1998-04-28 DE DE69821875T patent/DE69821875T2/de not_active Expired - Fee Related
- 1998-04-28 JP JP10547475A patent/JP2000513913A/ja active Pending
- 1998-04-28 AT AT98917166T patent/ATE260519T1/de not_active IP Right Cessation
- 1998-04-28 US US09/202,809 patent/US6321069B1/en not_active Expired - Lifetime
- 1998-04-28 EP EP98917166A patent/EP0922336B1/en not_active Expired - Lifetime
- 1998-04-28 CN CN98800571A patent/CN1131597C/zh not_active Expired - Fee Related
- 1998-04-28 AU AU70475/98A patent/AU737085C/en not_active Ceased
- 1998-12-29 NO NO986183A patent/NO986183L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU737085C (en) | 2002-05-16 |
NO986183D0 (no) | 1998-12-29 |
JP2000513913A (ja) | 2000-10-17 |
EP0922336A1 (en) | 1999-06-16 |
EP0922336B1 (en) | 2004-02-25 |
NO986183L (no) | 1998-12-29 |
FI971850A (fi) | 1998-10-31 |
US6321069B1 (en) | 2001-11-20 |
CN1225761A (zh) | 1999-08-11 |
WO1998052291A1 (en) | 1998-11-19 |
ATE260519T1 (de) | 2004-03-15 |
AU7047598A (en) | 1998-12-08 |
AU737085B2 (en) | 2001-08-09 |
DE69821875D1 (de) | 2004-04-01 |
FI971850A0 (fi) | 1997-04-30 |
DE69821875T2 (de) | 2005-01-05 |
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Effective date of registration: 20170113 Address after: Espoo, Finland Patentee after: NOKIA TECHNOLOGIES OY Address before: Espoo, Finland Patentee before: Nokia Corp. Effective date of registration: 20170113 Address after: Espoo, Finland Patentee after: NOKIA Corp. Address before: Espoo, Finland Patentee before: Nokia Networks OY |
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