JPH11506824A - 距離ゲートストリップ近接センサ - Google Patents
距離ゲートストリップ近接センサInfo
- Publication number
- JPH11506824A JPH11506824A JP9500684A JP50068497A JPH11506824A JP H11506824 A JPH11506824 A JP H11506824A JP 9500684 A JP9500684 A JP 9500684A JP 50068497 A JP50068497 A JP 50068497A JP H11506824 A JPH11506824 A JP H11506824A
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- Prior art keywords
- conductor
- sensor
- pulse
- receiver
- sensor according
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
- G01S13/348—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using square or rectangular modulation, e.g. diplex radar for ranging over short distances
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/0507—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves using microwaves or terahertz waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/0209—Systems with very large relative bandwidth, i.e. larger than 10 %, e.g. baseband, pulse, carrier-free, ultrawideband
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/04—Systems determining presence of a target
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/18—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein range gates are used
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/56—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/106—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using transmission of pulses having some particular characteristics
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S2013/0236—Special technical features
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9327—Sensor installation details
- G01S2013/93276—Sensor installation details in the windshield area
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.第1の端部と第2の端部を有し、導線上の信号に応じて導線に沿って電磁放 出を生成し、且つ導線の外部のソースからの電磁エネルギーを受信するアンテナ として動作する導線と、 導線の第1の端部に接続され、導線上にセンサ信号列を送信して導線に沿って 電磁放出のセンサフィールドを作る送信機と、 導線の第2の端部に接続され、導線上のセンサ信号列及び受信電磁エネルギー に応じてフィールド基準信号を生成する受信機と、 受信機に接続され、フィールド基準信号に応じてセンサフィールド内の外乱を 示す回路と、を備えるセンサ。 2.センサ信号列は、送信ラジオ周波数(RF)バースト列を有し、各RFバー ストはバースト幅を有し、送信機周波数で複数のサイクルを含み、 受信機は、送信RFバーストを、導線上の送信RFバーストにより生じる放射 の反射と混合し、フィールド基準信号を生成する混合器を有する請求項1に記載 のセンサ。 3.送信機に接続され、中間周波数で送信RFバースト列を変調する回路と、 受信機に接続され、中間周波数でサンプルを同期的に整流する回路と、を備え る請求項2に記載のセンサ。 4.送信機に接続され、RFバーストのバースト幅を調整する回路を備える請求 項2に記載のセンサ。 5.送信機周波数は1ギガヘルツより大きく、信号繰返しレートは1から10メ ガヘルツの間である請求項1に記載のセンサ。 6.導線は、第1及び第2の端部が相互に近接するようなループを構成する請求 項1に記載のセンサ。 7.導線は、通路にわたって基本的に直線的に延在するラインを含む請求項1に 記載のセンサ。 8.導線は、周辺に沿って延在するラインを含む請求項1に記載のセンサ。 9.導線は、導線に沿って伝播する信号が基本的に連続的なセンサフィールドを 生じさせる漏出性送信ラインを含む請求項1に記載のセンサ。 10.導線は、第1及び第2の端部間で間隔を配した位置で導線に接続された複 数の放射エレメントを有する請求項1に記載のセンサ。 11.導線は、センサ信号に加えて直流電力を運ぶ送信ラインを含む請求項1に 記載のセンサ。 12.送信ラインに接続され、送信ラインを通じて直流電力を受信機に供給する 受信機上の直流電源を有する請求項11に記載のセンサ。 13.センサ信号列中のセンサ信号は10ナノ秒未満の期間を有す る請求項1に記載のセンサ。 14.放射されたセンサ信号列は1マイクロワット未満の平均電力を有する請求 項1に記載のセンサ。 15.第1の端部と第2の端部を有し、導線上の信号に応じて導線に沿って電磁 放出を生成し、且つ導線の外部のソースからの電磁エネルギーを受信するアンテ ナとして動作する導線と、 導線の第1の端部に接続され、導線上にラジオ周波数(RF)パルス列を送信 して導線に沿って電磁放出のセンサフィールドを作る送信機と、 導線の第2の端部に接続され、導線の第2の端部で受信されるRFパルスの振 幅を示すフィールド基準信号を生成する、混合検出器と検出器に接続されたフィ ルタキャパシタとを含む受信機と、 受信機に接続され、フィールド基準信号に応じてセンサフィールド内の外乱を 示す回路と、を備えるセンサ。 16.RFパルス列は、約1ギガヘルツより大きい公称周波数及び約10ナノ秒 未満の期間を有する送信バーストと、約10メガヘルツ未満のパルス繰返しレー トと、を有する請求項15に記載のセンサ。 17.送信機に接続され、RFパルスの期間を調整する回路を備える請求項16 に記載のセンサ。 18.導線は、第1及び第2の端部が相互に近接するようなループを構成する請 求項15に記載のセンサ。 19.導線は、通路にわたって基本的に直線的に延在するラインを含む請求項1 5に記載のセンサ。 20.導線は、周辺に沿って延在するラインを含む請求項15に記載のセンサ。 21.導線は、導線に沿って伝播する信号が基本的に連続的なセンサフィールド を生じさせる漏出性送信ラインを含む請求項15に記載のセンサ。 22.導線は、第1及び第2の端部間で間隔を配した位置で導線に接続された複 数の放射エレメントを有する請求項15に記載のセンサ。 23.導線は、センサ信号に加えて直流電力を運ぶ送信ラインを含む請求項15 に記載のセンサ。 24.送信ラインに接続され、送信ラインを通じて直流電力を受信機に供給する 受信機上の直流電源を有する請求項23に記載のセンサ。 25.送信機に接続され、中間周波数でRFパルス列を振幅変調する回路と、 受信機に接続され、中間周波数でフィールド基準信号を同期的に整流する回路 と、を備える請求項15に記載のセンサ。 26.小電力ストリップ近接センサにおいて、 第1の端部と第2の端部を有し、導線上の信号に応じて導線に沿って電磁放出 を生成し、且つ導線の外部のソースからの電磁エネルギーを受信するアンテナと して動作する導線と、 導線の第1の端部に接続され、導線上にラジオ周波数(RF)パルス列を送信 して導線に沿ってストリップ内に電磁放出のセンサフィールドを作る送信機であ って、信号列は送信機の平均放射電力が約1マイクロワット未満となるような信 号繰返しレートとパルス幅とを有する送信機と、 導線の第2の端部に接続され、導線の第2の端部で受信される信号の平均振幅 を示すフィールド基準信号を生成する、混合検出器とサンプルゲートに接続され たフィルタキャパシタとを含む受信機と、 受信機に接続され、フィールド基準信号に応答し、センサフィールド内の外乱 を示す回路と、を備えるセンサ。 27.RFパルス列は、約1ギガヘルツより大きい公称周波数及び約10ナノ秒 未満の期間を有する送信バーストと、約10メガヘルツ未満のパルス繰返しレー トとを有する請求項26に記載のセンサ。 28.送信機に接続され、RFパルスの期間を調整する回路を備える請求項27 に記載のセンサ。 29.センサフィールドは導線に沿った幅を有し、前記センサは、送信機に接続 され、導線に沿ったセンサの幅を調整する回路を有する請求項26に記載のセン サ。 30.前記回路は、RFパルスの期間を調整することによりセンサ フィールドの幅を調整する請求項29に記載のセンサ。 31.導線は、第1及び第2の端部が相互に近接するようなループを構成する請 求項26に記載のセンサ。 32.導線は、通路にわたって基本的に直線的に延在するラインを含む請求項2 6に記載のセンサ。 33.導線は、周辺に沿って延在するラインを含む請求項26に記載のセンサ。 34.導線は、導線に沿って伝播する信号が基本的に連続的なセンサフィールド を生じさせる漏出性送信ラインを含む請求項26に記載のセンサ。 35.導線は、第1及び第2の端部間で間隔を配した位置で導線に接続された複 数の放射エレメントを有する請求項26に記載のセンサ。 36.導線は、センサ信号に加えて直流電力を運ぶ送信ラインを含む請求項26 に記載のセンサ。 37.送信ラインに接続され、送信ラインを通じて直流電力を受信機に供給する 受信機上の直流電源を有する請求項36に記載のセンサ。 38.送信機に接続され、中間周波数でRFパルス列を振幅変調す る回路と、 受信機に接続され、中間周波数でフィールド基準信号を同期的に整流する回路 と、を備える請求項26に記載のセンサ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/486,082 | 1995-06-06 | ||
US08/486,082 US5581256A (en) | 1994-09-06 | 1995-06-06 | Range gated strip proximity sensor |
PCT/US1996/007494 WO1996039640A1 (en) | 1995-06-06 | 1996-05-22 | Range gated strip proximity sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11506824A true JPH11506824A (ja) | 1999-06-15 |
JP3604396B2 JP3604396B2 (ja) | 2004-12-22 |
Family
ID=23930525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50068497A Expired - Lifetime JP3604396B2 (ja) | 1995-06-06 | 1996-05-22 | 距離ゲートストリップ近接センサ |
Country Status (8)
Country | Link |
---|---|
US (1) | US5581256A (ja) |
EP (1) | EP0830618B1 (ja) |
JP (1) | JP3604396B2 (ja) |
CN (1) | CN1120376C (ja) |
AU (1) | AU6145796A (ja) |
CA (1) | CA2224117A1 (ja) |
DE (1) | DE69630301T2 (ja) |
WO (1) | WO1996039640A1 (ja) |
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-
1995
- 1995-06-06 US US08/486,082 patent/US5581256A/en not_active Expired - Lifetime
-
1996
- 1996-05-22 EP EP96919000A patent/EP0830618B1/en not_active Expired - Lifetime
- 1996-05-22 JP JP50068497A patent/JP3604396B2/ja not_active Expired - Lifetime
- 1996-05-22 AU AU61457/96A patent/AU6145796A/en not_active Abandoned
- 1996-05-22 DE DE69630301T patent/DE69630301T2/de not_active Expired - Lifetime
- 1996-05-22 CN CN96195210A patent/CN1120376C/zh not_active Expired - Lifetime
- 1996-05-22 WO PCT/US1996/007494 patent/WO1996039640A1/en active IP Right Grant
- 1996-05-22 CA CA002224117A patent/CA2224117A1/en not_active Abandoned
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DE69630301D1 (de) | 2003-11-13 |
US5581256A (en) | 1996-12-03 |
EP0830618A1 (en) | 1998-03-25 |
DE69630301T2 (de) | 2004-07-29 |
EP0830618A4 (en) | 1999-08-25 |
CA2224117A1 (en) | 1996-12-12 |
CN1120376C (zh) | 2003-09-03 |
AU6145796A (en) | 1996-12-24 |
CN1189893A (zh) | 1998-08-05 |
EP0830618B1 (en) | 2003-10-08 |
WO1996039640A1 (en) | 1996-12-12 |
JP3604396B2 (ja) | 2004-12-22 |
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