JPS4996428A - - Google Patents

Info

Publication number
JPS4996428A
JPS4996428A JP48008810A JP881073A JPS4996428A JP S4996428 A JPS4996428 A JP S4996428A JP 48008810 A JP48008810 A JP 48008810A JP 881073 A JP881073 A JP 881073A JP S4996428 A JPS4996428 A JP S4996428A
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
Application number
JP48008810A
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP48008810A priority Critical patent/JPS4996428A/ja
Priority to US05/433,405 priority patent/US4008473A/en
Publication of JPS4996428A publication Critical patent/JPS4996428A/ja
Pending legal-status Critical Current

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
    • G01S13/88—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
    • G01S13/06—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
    • G01S13/343—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 sawtooth modulation
    • 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
    • G01S2013/932—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles using own vehicle data, e.g. ground speed, steering wheel direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Air Bags (AREA)
JP48008810A 1973-01-20 1973-01-20 Pending JPS4996428A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP48008810A JPS4996428A (ja) 1973-01-20 1973-01-20
US05/433,405 US4008473A (en) 1973-01-20 1974-01-14 Collision predicting operation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48008810A JPS4996428A (ja) 1973-01-20 1973-01-20

Publications (1)

Publication Number Publication Date
JPS4996428A true JPS4996428A (ja) 1974-09-12

Family

ID=11703177

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48008810A Pending JPS4996428A (ja) 1973-01-20 1973-01-20

Country Status (2)

Country Link
US (1) US4008473A (ja)
JP (1) JPS4996428A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07234274A (ja) * 1991-09-30 1995-09-05 Trw Inc 小型でフレキシブルな集積型ミリ波レーダセンサ

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2376421A1 (fr) * 1976-12-29 1978-07-28 Trt Telecom Radio Electr Appareil de mesure de distance et de vitesse d'approche ou d'eloignement d'une cible mobile
US4319245A (en) * 1980-05-29 1982-03-09 Rca Corporation Doppler signal processing apparatus
JP2679533B2 (ja) * 1992-05-13 1997-11-19 トヨタ自動車株式会社 ドップラ式対地車速検出装置
US7359782B2 (en) * 1994-05-23 2008-04-15 Automotive Technologies International, Inc. Vehicular impact reactive system and method
US6025796A (en) * 1996-12-09 2000-02-15 Crosby, Ii; Robert G. Radar detector for pre-impact airbag triggering
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
JPH1138117A (ja) * 1997-07-15 1999-02-12 Mitsubishi Electric Corp 車載用レーダ装置
US6166451A (en) * 1999-01-14 2000-12-26 Motorola, Inc. Distributed airbag firing system and interface circuit therefor
DE19927402B4 (de) * 1999-06-16 2005-06-09 Daimlerchrysler Ag Fahrzeugaufprallerkennungssensorik
US6225891B1 (en) 2000-01-07 2001-05-01 Hittite Microwave Corp. Wide-angle, static and positional anticipatory object detection system
US20020075138A1 (en) * 2000-08-16 2002-06-20 Van Rees H. Barteld Portable object detection system
KR100803414B1 (ko) * 2000-08-16 2008-02-13 레이던 컴퍼니 근거리 물체 감지 시스템
KR100767543B1 (ko) * 2000-08-16 2007-10-17 레이던 컴퍼니 스위치형 빔 안테나 구조
AU2001284953A1 (en) * 2000-08-16 2002-02-25 Raytheon Company Safe distance algorithm for adaptive cruise control
EP1879045A3 (en) * 2000-08-16 2011-03-30 Valeo Radar Systems, Inc. Automotive radar systems and techniques
EP1309883B1 (en) * 2000-08-16 2007-01-31 Raytheon Company Video amplifier for a radar receiver
US6707419B2 (en) * 2000-08-16 2004-03-16 Raytheon Company Radar transmitter circuitry and techniques
EP1315980B1 (en) * 2000-09-08 2006-10-04 Raytheon Company Path prediction system and method
US6708100B2 (en) * 2001-03-14 2004-03-16 Raytheon Company Safe distance algorithm for adaptive cruise control
US7183995B2 (en) 2001-08-16 2007-02-27 Raytheon Company Antenna configurations for reduced radar complexity
US6970142B1 (en) 2001-08-16 2005-11-29 Raytheon Company Antenna configurations for reduced radar complexity
US6995730B2 (en) * 2001-08-16 2006-02-07 Raytheon Company Antenna configurations for reduced radar complexity
US6611227B1 (en) 2002-08-08 2003-08-26 Raytheon Company Automotive side object detection sensor blockage detection system and related techniques
JP3779280B2 (ja) * 2003-03-28 2006-05-24 富士通株式会社 衝突予測装置
WO2009123957A1 (en) * 2008-03-31 2009-10-08 Valeo Radar Systems, Inc. Automotive radar sensor blockage detection apparatus and method
US9191829B2 (en) * 2011-05-31 2015-11-17 Facebook, Inc. Sensing proximity utilizing a wireless radio subsystem
WO2012166912A2 (en) 2011-05-31 2012-12-06 Plum Labs, Llc Switchable antenna elements for a wireless communications device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE977246C (de) * 1954-05-18 1965-07-29 Ernst Dr Schulze Verfahren zur Beschraenkung der Anzeige von Impulsradargeraeten auf bestimmte Flugziele
US3438020A (en) * 1966-01-03 1969-04-08 Julius O Lerner Apparatus for detecting object movement
US3407403A (en) * 1967-02-17 1968-10-22 Minnesota Mining & Mfg Electrical detecting means
CA938368A (en) * 1969-10-14 1973-12-11 Kofsky Harvey Lightweight doppler navigator
US3805263A (en) * 1972-08-15 1974-04-16 T Ueda System for detecting an object
US3921169A (en) * 1974-07-18 1975-11-18 Sperry Rand Corp Multiple mode radiometric system with range detection capability

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07234274A (ja) * 1991-09-30 1995-09-05 Trw Inc 小型でフレキシブルな集積型ミリ波レーダセンサ

Also Published As

Publication number Publication date
US4008473A (en) 1977-02-15

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