JP4053498B2 - 湿度センサ及びフロントガラス曇り検出器 - Google Patents
湿度センサ及びフロントガラス曇り検出器 Download PDFInfo
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- JP4053498B2 JP4053498B2 JP2003532926A JP2003532926A JP4053498B2 JP 4053498 B2 JP4053498 B2 JP 4053498B2 JP 2003532926 A JP2003532926 A JP 2003532926A JP 2003532926 A JP2003532926 A JP 2003532926A JP 4053498 B2 JP4053498 B2 JP 4053498B2
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Images
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- G06V20/50—Context or environment of the image
- G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
- B60Q1/143—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic combined with another condition, e.g. using vehicle recognition from camera images or activation of wipers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
- B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
- B60S1/0822—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
- B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
- B60S1/0822—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means
- B60S1/0833—Optical rain sensor
- B60S1/0844—Optical rain sensor including a camera
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/30—Indexing codes relating to the vehicle environment
- B60Q2300/31—Atmospheric conditions
- B60Q2300/312—Adverse weather
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/30—Indexing codes relating to the vehicle environment
- B60Q2300/31—Atmospheric conditions
- B60Q2300/314—Ambient light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
- B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
- B60S1/0822—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means
- B60S1/0833—Optical rain sensor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Air-Conditioning For Vehicles (AREA)
Description
26 フロントガラス
32 センサアレイ
30 イメージ形成システム
Claims (10)
- 表面の湿気を検出するシステムであって、
複数のサブウィンドウに分割されるセンサであって、各該サブウィンドウは複数の画素を有しその各々が他から独立して可変の感度を有しており、
前記表面の少なくとも一部分からの光線を前記センサに配向するように作動する光学システムと、
前記センサと通信し、前記サブウィンドウの感度を調節し、前記センサからのデータを解析して、前記湿気を各々の前記サブウィンドウで検出し、前記湿気が検出された前記サブウィンドウの数に基づいてフロントガラス・ワイパーを制御する処理システムと、を備えるシステム。 - 前記センサは、蓄積期間中前記センサへの入射光に対応して電荷を蓄積し、前記処理システムは、前記センサに入射する光に応答して前記センサが電荷を蓄積する期間を調節することによって、前記サブウィンドウの感度を調節することを特徴とする請求項1に記載のシステム。
- 前記処理システムは、前記サブウィンドウを形成する画素の平均グレースケール値を求め、前記平均グレースケール値を目標平均値と比較し、前記比較の結果に応じて前記サブウィンドウの露光時間を調節することによって、前記サブウィンドウの感度を調節することを特徴とする請求項1に記載のシステム。
- 前記処理システムは、湿気が検出されるサブウィンドウの数に基づいてフロントガラス・ワイパーを制御することを特徴とする請求項1に記載のシステム。
- 前記センサにイメージ形成された前記表面の一部分を選択的に照光する補助発光器と、
前記補助発光器が前記表面の一部分を照光しているときに前記センサによって取得される第1のデータセットを記憶し、かつ前記補助発光器が前記表面の一部分を照光していないときに前記センサによって取得される第2のデータセットを記憶するためのメモリと、
を更に備え、
前記処理システムが、前記メモリ、前記補助発光器、及び前記センサと通信しており、前記メモリに記憶された前記第1及び第2のデータセットを比較し、該比較結果を解析して前記表面の湿気を検出するように作動することを特徴とする請求項1に記載のシステム。 - 表面の湿気を検出するシステムであって、
少なくとも1つが独立して可変の感度を有する複数のサブウィンドウに分割され、サブウィンドウは複数の画素を有するセンサと、
前記表面の少なくとも一部分からの光線を前記センサに配向するように作動する光学システムと、
前記センサと通信して前記少なくとも1つのサブウィンドウの感度を独立して調節し、前記センサからのデータを解析して前記湿気を各々の前記サブウィンドウで検出し、前記湿気が検出された前記サブウィンドウの数に基づいて前記表面の湿気を検出するように作動する処理システムと
を備えるシステム。 - 前記センサは、蓄積期間中前記センサへの入射光に対応して電荷を蓄積し、前記処理システムは、前記センサに入射する光に応答して前記センサが電荷を蓄積する期間を調節することによって、前記サブウィンドウの感度を調節することを特徴とする請求項6に記載のシステム。
- 前記処理システムは、前記サブウィンドウを形成する画素の平均グレースケール値を求め、前記平均グレースケール値を目標平均値と比較し、前記比較の結果に応じて前記サブウィンドウの露光時間を調節することによって、前記サブウィンドウの感度を調節することを特徴とする請求項6に記載のシステム。
- 前記処理システムは、湿気が検出されるサブウィンドウの数に基づいてフロントガラス・ワイパーを制御することを特徴とする請求項6に記載のシステム。
- 前記センサにイメージ形成された前記表面の一部分を選択的に照光する補助発光器と、
前記補助発光器が前記表面の一部分を照光しているときに前記センサによって取得される第1のデータセットを記憶し、かつ前記補助発光器が前記表面の一部分を照光していないときに前記センサによって取得される第2のデータセットを記憶するためのメモリと、
を更に備え、
前記処理システムが、前記メモリ、前記補助発光器、及び前記センサと通信しており、前記メモリに記憶された前記第1及び第2のデータセットを比較し、該比較結果を解析して前記表面の湿気を検出するように作動することを特徴とする請求項6に記載のシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/970,728 US6681163B2 (en) | 2001-10-04 | 2001-10-04 | Moisture sensor and windshield fog detector |
PCT/US2002/030400 WO2003029757A2 (en) | 2001-10-04 | 2002-09-25 | Moisture sensor and windshield fog detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005504964A JP2005504964A (ja) | 2005-02-17 |
JP4053498B2 true JP4053498B2 (ja) | 2008-02-27 |
Family
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003532926A Expired - Fee Related JP4053498B2 (ja) | 2001-10-04 | 2002-09-25 | 湿度センサ及びフロントガラス曇り検出器 |
Country Status (7)
Country | Link |
---|---|
US (2) | US6681163B2 (ja) |
EP (1) | EP1433048A4 (ja) |
JP (1) | JP4053498B2 (ja) |
AU (1) | AU2002337688A1 (ja) |
CA (1) | CA2460591C (ja) |
MX (1) | MXPA04002989A (ja) |
WO (1) | WO2003029757A2 (ja) |
Cited By (1)
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CN104515998A (zh) * | 2013-10-01 | 2015-04-15 | 欧姆龙汽车电子株式会社 | 激光雷达装置 |
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CA2460591A1 (en) | 2003-04-10 |
EP1433048A4 (en) | 2009-09-02 |
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WO2003029757A3 (en) | 2003-11-13 |
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EP1433048A2 (en) | 2004-06-30 |
CA2460591C (en) | 2007-11-27 |
US6681163B2 (en) | 2004-01-20 |
JP2005504964A (ja) | 2005-02-17 |
AU2002337688A1 (en) | 2003-04-14 |
WO2003029757A2 (en) | 2003-04-10 |
MXPA04002989A (es) | 2004-07-15 |
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