JPS49107491A - - Google Patents
Info
- Publication number
- JPS49107491A JPS49107491A JP48018939A JP1893973A JPS49107491A JP S49107491 A JPS49107491 A JP S49107491A JP 48018939 A JP48018939 A JP 48018939A JP 1893973 A JP1893973 A JP 1893973A JP S49107491 A JPS49107491 A JP S49107491A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- 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
- G01S13/24—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using frequency agility of carrier wave
-
- 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
-
- 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
-
- 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
-
- 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
- G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
- G01S13/92—Radar or analogous systems specially adapted for specific applications for traffic control for velocity measurement
-
- 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
- G01S2013/93271—Sensor installation details in the front of the vehicles
-
- 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
- G01S2013/93275—Sensor installation details in the bumper area
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48018939A JPS49107491A (ja) | 1973-02-15 | 1973-02-15 | |
US05/442,240 US3952303A (en) | 1973-02-15 | 1974-02-13 | Doppler radar for forecasting collision |
CA192,534A CA1016630A (en) | 1973-02-15 | 1974-02-14 | Doppler radar for forecasting collision |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48018939A JPS49107491A (ja) | 1973-02-15 | 1973-02-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS49107491A true JPS49107491A (ja) | 1974-10-12 |
Family
ID=11985600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP48018939A Pending JPS49107491A (ja) | 1973-02-15 | 1973-02-15 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3952303A (ja) |
JP (1) | JPS49107491A (ja) |
CA (1) | CA1016630A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10197626A (ja) * | 1996-12-20 | 1998-07-31 | Thomson Csf | 特に自動車のための障害物検出用レーダ |
US6747592B2 (en) | 2002-05-13 | 2004-06-08 | Hitachi, Ltd. | Radar system for detecting relative velocity and relative speed of a preceding vehicle |
US7119737B2 (en) | 2001-10-19 | 2006-10-10 | Optex Co., Ltd. | Microwave sensor |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5174334A (en) * | 1974-12-24 | 1976-06-28 | Nissan Motor | Sharyoyo shogaibutsukenchisochi |
DE2514868C3 (de) * | 1975-04-04 | 1979-05-17 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | FM-Schwebungs-Rückstrahlortungsgerät zur gleichzeitigen Entfernungs- und Geschwindigkeitsmessung |
DE2900825A1 (de) * | 1979-01-11 | 1980-07-24 | Standard Elektrik Lorenz Ag | Rueckstrahlortungsgeraet zur gleichzeitigen messung von entfernung und relativgeschwindigkeit |
DE3222263A1 (de) * | 1982-06-09 | 1983-02-03 | Günter 1000 Berlin Mehnert | Abstands-warnsystem fuer kraftfahrzeuge |
GB2246678A (en) * | 1990-07-30 | 1992-02-05 | Philips Electronic Associated | Cw radar system. |
DE69232751T2 (de) * | 1991-05-06 | 2003-05-28 | Ivhs Technologies Inc | Mehrfrequenz-radarsystem für fahrzeuge |
JP2981312B2 (ja) * | 1991-08-08 | 1999-11-22 | 富士通株式会社 | Fm−cwレーダ装置 |
USRE36470E (en) * | 1993-10-01 | 1999-12-28 | Vorad Safety Systems, Inc. | Autonomous cruise control |
JP3401913B2 (ja) * | 1994-05-26 | 2003-04-28 | 株式会社デンソー | 車両用障害物認識装置 |
DE19538309C2 (de) * | 1995-10-14 | 1998-10-15 | Volkswagen Ag | Radarverfahren zur Messung von Abständen und Relativgeschwindigkeiten zwischen einem Fahrzeug und einem oder mehreren Hindernissen |
US5826216A (en) * | 1997-02-07 | 1998-10-20 | Hittite Microwave Corp. | Anticipatory collision sensor system |
US5872536A (en) * | 1997-02-19 | 1999-02-16 | Hittite Microwave Corporation | Multi-sensor anticipatory object detection system |
US6225891B1 (en) | 2000-01-07 | 2001-05-01 | Hittite Microwave Corp. | Wide-angle, static and positional anticipatory object detection system |
JP2003028951A (ja) * | 2001-07-11 | 2003-01-29 | Fujitsu Ten Ltd | レーダ装置 |
KR100692569B1 (ko) * | 2005-03-25 | 2007-03-13 | 삼성전자주식회사 | 저주파 신호를 이용한 거리 측정 방법 및 장치 |
JP2008190964A (ja) * | 2007-02-02 | 2008-08-21 | Omron Corp | 測定装置および方法 |
US10431099B2 (en) * | 2014-02-21 | 2019-10-01 | FLIR Belgium BVBA | Collision avoidance systems and methods |
US9784820B2 (en) * | 2014-09-19 | 2017-10-10 | Delphi Technologies, Inc. | Radar system with phase based multi-target detection |
US9400325B2 (en) * | 2014-11-26 | 2016-07-26 | Valeo Radar Systems, Inc. | Method and apparatus for increasing angular resolution in an automotive radar system |
US9470782B2 (en) | 2014-11-26 | 2016-10-18 | Valeo Radar Systems, Inc. | Method and apparatus for increasing angular resolution in an automotive radar system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2476301A (en) * | 1943-05-31 | 1949-07-19 | Sperry Corp | Formation control |
US3394342A (en) * | 1965-09-13 | 1968-07-23 | Walker Philip Hulme | Ultrasonic object detection systems |
US3684309A (en) * | 1970-01-24 | 1972-08-15 | Toyota Motor Co Ltd | Inflatable safety device for vehicle passengers |
US3697985A (en) * | 1970-09-23 | 1972-10-10 | Bendix Corp | Rear end warning system for automobiles |
US3766554A (en) * | 1971-03-01 | 1973-10-16 | Bendix Corp | Range cutoff system for dual frequency cw radar |
US3750172A (en) * | 1971-06-02 | 1973-07-31 | Bendix Corp | Multifrequency cw radar with range cutoff |
-
1973
- 1973-02-15 JP JP48018939A patent/JPS49107491A/ja active Pending
-
1974
- 1974-02-13 US US05/442,240 patent/US3952303A/en not_active Expired - Lifetime
- 1974-02-14 CA CA192,534A patent/CA1016630A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10197626A (ja) * | 1996-12-20 | 1998-07-31 | Thomson Csf | 特に自動車のための障害物検出用レーダ |
US7119737B2 (en) | 2001-10-19 | 2006-10-10 | Optex Co., Ltd. | Microwave sensor |
US6747592B2 (en) | 2002-05-13 | 2004-06-08 | Hitachi, Ltd. | Radar system for detecting relative velocity and relative speed of a preceding vehicle |
Also Published As
Publication number | Publication date |
---|---|
CA1016630A (en) | 1977-08-30 |
US3952303A (en) | 1976-04-20 |