JP4800579B2 - 光導波路を備えた圧力センサと圧力検知方法 - Google Patents
光導波路を備えた圧力センサと圧力検知方法 Download PDFInfo
- Publication number
- JP4800579B2 JP4800579B2 JP2003568365A JP2003568365A JP4800579B2 JP 4800579 B2 JP4800579 B2 JP 4800579B2 JP 2003568365 A JP2003568365 A JP 2003568365A JP 2003568365 A JP2003568365 A JP 2003568365A JP 4800579 B2 JP4800579 B2 JP 4800579B2
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- optical fiber
- pressure sensor
- pressure
- protective coating
- 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
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 64
- 238000001514 detection method Methods 0.000 title claims description 5
- 239000000835 fiber Substances 0.000 claims abstract description 107
- 239000013307 optical fiber Substances 0.000 claims abstract description 90
- 239000011253 protective coating Substances 0.000 claims description 44
- 230000005684 electric field Effects 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 230000003746 surface roughness Effects 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 9
- 238000009792 diffusion process Methods 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 9
- 230000002238 attenuated effect Effects 0.000 claims description 7
- 230000035945 sensitivity Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 4
- 230000036961 partial effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 description 8
- 239000005357 flat glass Substances 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- 239000011888 foil Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000002650 laminated plastic Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 210000004177 elastic tissue Anatomy 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012966 insertion method Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
- G01L1/243—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using means for applying force perpendicular to the fibre axis
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Window Of Vehicle (AREA)
Description
Claims (17)
- 屈折率n1を持つ光ファイバ(2)を有する光導波路(8)を備え、
光ファイバ(2)が、弾性材料から形成された保護被覆(6、12A〜C)内にクラッド被覆なしに導かれており、この際
無負荷状態では光ファイバ(2)が前記保護被覆(6、12A〜C)の表面粗さによって保証される中間空間で全面的に囲まれており、該空間内で光ファイバ(2)を取り囲む媒体が前記光ファイバ(2)の屈折率n1より小さな屈折率n2を有し、
無負荷状態では、前記保護被覆(6、12A〜C)が局部的に限定された支持部においてのみ前記光ファイバ(2)に接し、
弾性材料から形成された前記保護被覆(6、12A〜C)は圧力を印加された際に光ファイバ(2)と密着し、そして光ファイバ(2)による光拡散が光ファイバ(2)の変形なしに減衰される圧力センサにおいて、
前記ファイバ(2)内に光を入射させ、もって中間空間内の、光ファイバ(2)に直接隣接している外部領域内にエバネッセント電場を形成し、
圧力を受けた際に、前記保護被覆(6、12A〜C)を、前記エバネッセント電場を形成する前記外部領域内に位置させることで、前記エバネッセント電場、従って前記ファイバ(2)内での光の伝播が減衰し、その減衰を検知する
ことを特徴とする圧力センサ。 - 前記保護被覆(6、12A〜C)が屈折率n3を有し、かつn3>n1>n2の関係があることを特徴とする請求項1記載の圧力センサ。
- 前記媒体がガスであることを特徴とする請求項1又は2記載の圧力センサ。
- 前記ファイバ(2)が圧力作用なしの無負荷状態で前記保護被覆(6、12A〜C)から5〜20μm離れていることを特徴とする請求項1から3の1つに記載の圧力センサ。
- 前記ファイバ(2)の全長にわたり圧力感度が与えられたことを特徴とする請求項1から4の1つに記載の圧力センサ。
- 前記保護被覆(12B)が四角形の断面を持つことを特徴とする請求項5記載の圧力センサ。
- 前記保護被覆(6、12A〜C)が自動車ドア用のパッキング部材(26)として構成されたことを特徴とする請求項1から6の1つに記載の圧力センサ。
- 前記光導波路(8)はその終端側で前記ファイバ(2)と前記保護被覆(6)との間の結合部(16)内に、圧力を受けた際前記結合部(16)の光ファイバ(2)内で光の伝播が減衰しないように構成された中間部材(20)を備えることを特徴とする請求項1から7の1つに記載の圧力センサ。
- 前記中間部材(20)が反射層を備えることを特徴とする請求項8記載の圧力センサ。
- 圧力を受けたことを場所的に特定して検知すべく、互いに分離された複数の光ファイバ(2)が設けられたことを特徴とする請求項1から9の1つに記載の圧力センサ。
- 前記複数の光ファイバ(2)が互いに交差し格子状に配置されたことを特徴とする請求項10記載の圧力センサ。
- 前記ファイバ(2)の一部領域内の感度を低下させるべく、圧力を受けた際前記一部領域内の光の伝播の減衰を阻止する不活性部材(40)が設けられたことを特徴とする請求項1から11の1つに記載の圧力センサ。
- 圧力センサがスイッチ素子として構成され、そのため圧力部材(32)が設けられたことを特徴とする請求項1から12の1つに記載の圧力センサ。
- 前記圧力部材(32)が、その作動時にファイバ(2)内で拡散する光の一部が放出されて目視可能となるように構成されたことを特徴とする請求項13記載の圧力センサ。
- 請求項1から14の1つに記載の圧力センサを備えた自動車。
- 圧力センサがパッキング部材(26)に内蔵され、挟み込み保護装置の一部をなす請求項15記載の自動車。
- 屈折率n1を持つ光ファイバ(2)を有する光導波路(8)を備え、
光ファイバ(2)が、弾性材料から形成された保護被覆(6、12A〜C)内にクラッド被覆なしに導かれており、この際
無負荷状態では光ファイバ(2)が前記保護被覆(6、12A〜C)の表面粗さによって保証される中間空間で全面的に囲まれており、該空間内で光ファイバ(2)を取り囲む媒体が前記光ファイバ(2)の屈折率n1より小さな屈折率n2を有し、前記保護被覆(6、12A〜C)が局部的に限定された支持部においてのみ前記光ファイバ(2)に接し、
弾性材料から形成された前記保護被覆(6、12A〜C)は圧力を印加された際に光ファイバ(2)と密着し、そして光ファイバ(2)による光拡散が光ファイバ(2)の変形なしに減衰される圧力センサにより圧力を検知する方法において、
前記ファイバ(2)内に光を入射させ、もって中間空間内の、光ファイバ(2)に直接隣接している外部領域内にエバネッセント電場を形成し、
圧力を受けた際に、前記保護被覆(6、12A〜C)を、前記エバネッセント電場を形成する前記外部領域内に位置させることで、前記エバネッセント電場、従って前記ファイバ(2)内での光の伝播が減衰し、その減衰を検知することを特徴とする光導波路による圧力検知方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10205594.7 | 2002-02-11 | ||
DE10205594A DE10205594A1 (de) | 2002-02-11 | 2002-02-11 | Drucksensor mit einem Lichtwellenleiter |
PCT/EP2003/001300 WO2003069294A1 (de) | 2002-02-11 | 2003-02-10 | Drucksensor mit einem lichtwellenleiter und verfahren zur druckerfassung |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005517920A JP2005517920A (ja) | 2005-06-16 |
JP2005517920A5 JP2005517920A5 (ja) | 2005-12-22 |
JP4800579B2 true JP4800579B2 (ja) | 2011-10-26 |
Family
ID=27634872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003568365A Expired - Fee Related JP4800579B2 (ja) | 2002-02-11 | 2003-02-10 | 光導波路を備えた圧力センサと圧力検知方法 |
Country Status (12)
Country | Link |
---|---|
US (1) | US6912912B2 (ja) |
EP (1) | EP1474670B1 (ja) |
JP (1) | JP4800579B2 (ja) |
AT (1) | ATE331209T1 (ja) |
AU (1) | AU2003208825A1 (ja) |
CA (1) | CA2475796C (ja) |
DE (2) | DE10205594A1 (ja) |
ES (1) | ES2268329T3 (ja) |
HK (1) | HK1074077A1 (ja) |
MX (1) | MXPA04007786A (ja) |
PT (1) | PT1474670E (ja) |
WO (1) | WO2003069294A1 (ja) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003039910A1 (en) | 2001-10-16 | 2003-05-15 | American Moto Products, Inc. | Retractable vehicle step |
JP3831325B2 (ja) * | 2002-10-01 | 2006-10-11 | アスモ株式会社 | 開閉装置 |
US7163221B2 (en) | 2003-10-31 | 2007-01-16 | 89908, Inc. | Retractable vehicle step with anti-strike/anti-pinch sensor system |
DE102005021008B4 (de) * | 2004-05-04 | 2011-06-16 | Leoni Ag | Optischer Schalter oder Taster |
JP2007040737A (ja) * | 2005-08-01 | 2007-02-15 | Tama Tlo Kk | バンパーセンサ |
JP2007064716A (ja) * | 2005-08-30 | 2007-03-15 | Hitachi Cable Ltd | 衝突検知センサ |
JP4731353B2 (ja) * | 2006-02-22 | 2011-07-20 | ミハル通信株式会社 | 気密性感知機能付き電気機器用筐体 |
US7521665B2 (en) | 2006-07-07 | 2009-04-21 | Leoni Ag | Sensor system, sensor element, and method with a light sensor and an electrical sensor for monitoring a closing mechanism |
DE102006031812A1 (de) * | 2006-07-07 | 2008-01-17 | Leoni Ag | Sensorsystem und Sensorelement |
DE102006051299A1 (de) | 2006-09-20 | 2008-03-27 | Leoni Automotive Leads Gmbh | Ferrule für eine Evaneszenzfeldsensorleitung |
US9701249B2 (en) | 2006-10-27 | 2017-07-11 | Lund Motion Products, Inc. | Retractable vehicle step |
US9944231B2 (en) | 2006-10-27 | 2018-04-17 | Lund Motion Products, Inc. | Retractable vehicle step |
DE102007050576B4 (de) * | 2007-10-23 | 2017-08-03 | Schaeffler Technologies AG & Co. KG | Vorrichtung zum Erfassen der Belastung eines Lagers |
US7860625B2 (en) | 2007-11-30 | 2010-12-28 | Nissan North America, Inc. | Vehicle occupant classification system |
JP5283973B2 (ja) * | 2008-05-29 | 2013-09-04 | アスモ株式会社 | センサ支持部材の製造方法 |
US20100114063A1 (en) * | 2008-11-04 | 2010-05-06 | Angiodynamics, Inc. | Catheter injection monitoring device |
DE102010008419A1 (de) | 2010-02-18 | 2011-09-08 | Siemens Aktiengesellschaft | Verfahren zum Messen der Schalldruckverteilung in einem Fluid, faseroptisches Hydrophon zum Durchführen des Verfahrens sowie Stoßwellenkopf mit einem solchen faseroptischen Hydrophon |
DE102010028552A1 (de) | 2010-05-04 | 2011-11-10 | Siemens Aktiengesellschaft | Lithotripter mit einer Einrichtung zur Kollisionsüberwachung |
US11926286B2 (en) | 2011-10-31 | 2024-03-12 | Lund Motion Products, Inc. | Retractable vehicle step |
KR101361210B1 (ko) * | 2012-06-05 | 2014-02-10 | 연세대학교 원주산학협력단 | 착좌 시 전단력 측정 장치 |
CN103019591A (zh) * | 2012-11-28 | 2013-04-03 | 沈阳工业大学 | 一种识别背部手指滑动辅助输入的手持式电子设备及方法 |
KR101439463B1 (ko) * | 2013-03-21 | 2014-09-17 | 전진홍 | 압력 검지 시스템 |
US9156406B2 (en) | 2013-09-27 | 2015-10-13 | Lund, Inc. | Modular rail and step system |
SG11201608018XA (en) * | 2014-03-26 | 2016-10-28 | Agency Science Tech & Res | Sensing device and method for sensing a force |
KR102277902B1 (ko) | 2014-09-05 | 2021-07-15 | 삼성전자주식회사 | 피검체 접촉압력 측정기와 그 제조 및 측정방법 |
US9522634B1 (en) | 2015-06-05 | 2016-12-20 | Lund Motion Products, Inc. | Horizontal retractable vehicle step |
US9550458B2 (en) | 2015-06-05 | 2017-01-24 | Lund Motion Products, Inc. | Retractable step and side bar assembly for raised vehicle |
US10618472B2 (en) | 2015-08-04 | 2020-04-14 | T-Max (Hangzhou) Technology Co., Ltd. | Vehicle and vehicle step apparatus with multiple drive motors |
KR20190064964A (ko) * | 2017-12-01 | 2019-06-11 | 삼성전자주식회사 | 마이크로 스케일의 도파관 분광기 |
JP7037721B2 (ja) * | 2017-12-08 | 2022-03-17 | 日立金属株式会社 | 感圧センサおよび感圧センサの製造方法 |
JP6988662B2 (ja) * | 2018-04-16 | 2022-01-05 | 株式会社デンソー | 開閉部材制御装置 |
US10384614B1 (en) | 2018-07-20 | 2019-08-20 | T-Max (Hangzhou) Technology Co., Ltd. | Vehicle, running board assembly and drive assembly for running board |
US11198394B2 (en) | 2018-07-20 | 2021-12-14 | T-Max (Hangzhou) Technology Co., Ltd. | Vehicle running board apparatus and retractable device thereof |
JP6988724B2 (ja) * | 2018-07-27 | 2022-01-05 | 日立金属株式会社 | 挟み込みセンサおよび検出装置 |
US11199660B2 (en) * | 2018-11-20 | 2021-12-14 | University Of Louisville Research Foundation, Inc. | Soft optics with mechanically tunable refractive index |
CN110012061B (zh) | 2019-02-20 | 2022-02-08 | 杭州天铭科技股份有限公司 | 车用装备的管理装置、车辆及服务器 |
WO2020177186A1 (zh) | 2019-03-05 | 2020-09-10 | 杭州天铭科技股份有限公司 | 车用踏杠设备和车辆 |
WO2020181617A1 (zh) | 2019-03-11 | 2020-09-17 | 杭州天铭科技股份有限公司 | 调节装置、调节器和减震器 |
US11584387B2 (en) | 2019-09-16 | 2023-02-21 | T-Max (Hangzhou) Technology Co., Ltd. | Step apparatus for vehicle and vehicle |
WO2021227617A1 (zh) | 2020-05-11 | 2021-11-18 | 杭州天铭科技股份有限公司 | 车用踏板设备和车辆 |
WO2021227616A1 (zh) | 2020-05-11 | 2021-11-18 | 杭州天铭科技股份有限公司 | 一种车用踏板设备和车辆 |
CN114264395B (zh) * | 2021-11-29 | 2024-04-30 | 重庆金山医疗技术研究院有限公司 | 一种压力检测装置及方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3051003A (en) * | 1958-11-21 | 1962-08-28 | Honeywell Regulator Co | Measuring apparatus |
JPS59128009A (ja) * | 1983-01-10 | 1984-07-24 | Nippon Denso Co Ltd | 自動開閉装置の安全装置 |
GB2141821A (en) * | 1983-04-25 | 1985-01-03 | Gen Electric Plc | Pressure sensor |
DE3443949A1 (de) * | 1984-12-01 | 1986-06-05 | AEG KABEL AG, 4050 Mönchengladbach | Lichtleiter als kraftsensor |
JPH06102114A (ja) * | 1992-09-18 | 1994-04-15 | Yaskawa Electric Corp | 分布型触覚センサ |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4418981A (en) * | 1982-01-19 | 1983-12-06 | Gould Inc. | Quadrature fiber-optic interferometer matrix |
US5004913A (en) * | 1982-08-06 | 1991-04-02 | Marcos Kleinerman | Remote measurement of physical variables with fiber optic systems - methods, materials and devices |
DE3247843C1 (de) * | 1982-12-23 | 1983-12-29 | Max Planck Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen | Mikrofon |
GB2186073B (en) | 1986-02-03 | 1989-10-25 | Spectran Corp | Fiber optic pressure sensor |
US4735212A (en) * | 1986-07-01 | 1988-04-05 | Cordis Corporation | Multiple site fiber optic pressure transducer |
US4830461A (en) * | 1987-01-29 | 1989-05-16 | Bridgestone Corporation | Pressure-sensitive sensors |
FR2626983B1 (fr) * | 1988-02-08 | 1990-06-01 | Comp Generale Electricite | Interrupteur a fibre optique |
ATE68595T1 (de) * | 1988-02-17 | 1991-11-15 | Wolfgang Brunner | Messverfahren zum ortsaufgeloesten messen von druecken. |
US4915473A (en) * | 1989-02-23 | 1990-04-10 | The Dow Chemical Company | Pressure sensor utilizing a polyurethane optical fiber |
DE4236742A1 (de) | 1992-10-30 | 1994-05-05 | Kabelmetal Electro Gmbh | Vorrichtung zum Ermitteln von Druckbelastungen und Verfahren zur Herstellung |
US5526112A (en) * | 1993-03-05 | 1996-06-11 | Sahagen; Armen N. | Probe for monitoring a fluid medium |
DE19537383B4 (de) * | 1995-10-07 | 2005-09-22 | Robert Bosch Gmbh | Sicherheitseinrichtung für Fahrzeuginsassen |
DE19721341C2 (de) | 1997-05-22 | 2001-05-23 | Leoni Bordnetz Sys Gmbh & Co | Drucksensor mit Lichtwellenleiter |
DE19801961A1 (de) * | 1998-01-21 | 1999-07-22 | Deutsch Zentr Luft & Raumfahrt | Detektionseinrichtung zur Schließkantenüberwachung, Verfahren zu ihrer Herstellung sowie Verfahren zum Überwachen des Schließvorganges mittels der Detektionseinrichtung |
DE10039094C1 (de) * | 2000-08-07 | 2002-02-07 | Rainer H A Fink | Vorrichtung zur quantitativen hochauflösenden Messung von Abständen, Kräften, Elastizitäten, Drücken und Beschleunigungen |
-
2002
- 2002-02-11 DE DE10205594A patent/DE10205594A1/de not_active Ceased
-
2003
- 2003-02-10 EP EP03706469A patent/EP1474670B1/de not_active Expired - Lifetime
- 2003-02-10 JP JP2003568365A patent/JP4800579B2/ja not_active Expired - Fee Related
- 2003-02-10 AT AT03706469T patent/ATE331209T1/de not_active IP Right Cessation
- 2003-02-10 CA CA002475796A patent/CA2475796C/en not_active Expired - Fee Related
- 2003-02-10 MX MXPA04007786A patent/MXPA04007786A/es active IP Right Grant
- 2003-02-10 ES ES03706469T patent/ES2268329T3/es not_active Expired - Lifetime
- 2003-02-10 WO PCT/EP2003/001300 patent/WO2003069294A1/de active IP Right Grant
- 2003-02-10 DE DE50303946T patent/DE50303946D1/de not_active Expired - Lifetime
- 2003-02-10 PT PT03706469T patent/PT1474670E/pt unknown
- 2003-02-10 AU AU2003208825A patent/AU2003208825A1/en not_active Abandoned
-
2004
- 2004-08-11 US US10/916,041 patent/US6912912B2/en not_active Expired - Lifetime
-
2005
- 2005-05-10 HK HK05103935A patent/HK1074077A1/xx not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3051003A (en) * | 1958-11-21 | 1962-08-28 | Honeywell Regulator Co | Measuring apparatus |
JPS59128009A (ja) * | 1983-01-10 | 1984-07-24 | Nippon Denso Co Ltd | 自動開閉装置の安全装置 |
GB2141821A (en) * | 1983-04-25 | 1985-01-03 | Gen Electric Plc | Pressure sensor |
DE3443949A1 (de) * | 1984-12-01 | 1986-06-05 | AEG KABEL AG, 4050 Mönchengladbach | Lichtleiter als kraftsensor |
JPH06102114A (ja) * | 1992-09-18 | 1994-04-15 | Yaskawa Electric Corp | 分布型触覚センサ |
Also Published As
Publication number | Publication date |
---|---|
US20050005706A1 (en) | 2005-01-13 |
DE10205594A1 (de) | 2003-08-28 |
EP1474670A1 (de) | 2004-11-10 |
EP1474670B1 (de) | 2006-06-21 |
ATE331209T1 (de) | 2006-07-15 |
JP2005517920A (ja) | 2005-06-16 |
CA2475796C (en) | 2009-04-28 |
HK1074077A1 (en) | 2005-10-28 |
CA2475796A1 (en) | 2003-08-21 |
PT1474670E (pt) | 2006-11-30 |
US6912912B2 (en) | 2005-07-05 |
ES2268329T3 (es) | 2007-03-16 |
MXPA04007786A (es) | 2005-08-15 |
WO2003069294A1 (de) | 2003-08-21 |
DE50303946D1 (de) | 2006-08-03 |
AU2003208825A1 (en) | 2003-09-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4800579B2 (ja) | 光導波路を備えた圧力センサと圧力検知方法 | |
EP1907809B1 (en) | Foil-type pressure sensor | |
JP5135140B2 (ja) | 炎感知器 | |
KR20070083692A (ko) | 차량의 윈드실드 상의 습기를 검출하는 광센서 | |
JP2008524557A (ja) | 自動車の窓ガラスの湿り気を検出するための光学式センサ | |
CA2149965A1 (en) | Fiber optic sensors and control systems for automobile occupant protection apparatus | |
US20170003118A1 (en) | Bolt sensor | |
JP5096276B2 (ja) | 炎感知ユニット | |
FR2732927A1 (fr) | Coulisse, son procede de realisation et leve-vitre comportant une telle coulisse | |
JP5156633B2 (ja) | 可撓性検出部材を備えたドアアッセンブリおよびこれに関連した方法 | |
JP4962260B2 (ja) | 空気調和機の室内ユニット | |
WO2019092824A1 (ja) | 導光体、導光体ユニット及びその製造方法、電子機器 | |
JP5415376B2 (ja) | センサヘッド、および光学式センサ | |
US20070035954A1 (en) | Device for detecting the dirt accumulation on a transparent covering pane in front of a optical unit | |
KR20170107576A (ko) | 키보드 | |
KR20200092796A (ko) | 광섬유를 이용한 스크린 도어 끼임 경보장치 | |
JP2017049097A (ja) | レーザレーダ装置 | |
JP2000226966A (ja) | 挟込み検出装置 | |
KR20070110142A (ko) | 광섬유 센서 | |
EP1707447A1 (en) | Optical seat belt tension sensor | |
WO2002014100A1 (en) | Seat occupant detection device | |
JPH06137862A (ja) | 光学式センサ | |
JPH0341779B2 (ja) | ||
JP2010073023A (ja) | 炎感知器 | |
JP2024046401A (ja) | 光ファイバセンサ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20040909 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20040909 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070524 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20070824 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20070831 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20070921 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20071001 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20071023 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080228 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080528 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20080731 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20081126 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100312 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20100312 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20100615 |
|
A912 | Re-examination (zenchi) completed and case transferred to appeal board |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20100910 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110610 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20110804 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140812 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4800579 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |