JPS547198B2 - - Google Patents
Info
- Publication number
- JPS547198B2 JPS547198B2 JP673672A JP673672A JPS547198B2 JP S547198 B2 JPS547198 B2 JP S547198B2 JP 673672 A JP673672 A JP 673672A JP 673672 A JP673672 A JP 673672A JP S547198 B2 JPS547198 B2 JP S547198B2
- 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.)
- Expired
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
- G01S13/347—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 more than one modulation frequency
-
- 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
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/62—Sense-of-movement determination
-
- 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
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)
- Air Bags (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP673672A JPS547198B2 (ja) | 1972-01-17 | 1972-01-17 | |
| US00323395A US3846796A (en) | 1972-01-17 | 1973-01-15 | Operating method and system for predicting collision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP673672A JPS547198B2 (ja) | 1972-01-17 | 1972-01-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4876486A JPS4876486A (ja) | 1973-10-15 |
| JPS547198B2 true JPS547198B2 (ja) | 1979-04-04 |
Family
ID=11646497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP673672A Expired JPS547198B2 (ja) | 1972-01-17 | 1972-01-17 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3846796A (ja) |
| JP (1) | JPS547198B2 (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2433203C3 (de) * | 1973-07-10 | 1980-09-11 | Mitsubishi Denki K.K., Tokio | Frequenzumtast-Doppler-Radarsystem zur Entfernungs- und Geschwindigkeitsmessung |
| DE3036081A1 (de) * | 1980-09-25 | 1982-04-29 | Egon Gelhard | Verfahren zur distanzmessung nach dem ultraschall-echoprinzip sowie schaltungsanordnung und geraete insbesondere am kraftfahrzeug |
| US5268692A (en) * | 1991-03-14 | 1993-12-07 | Grosch Theodore O | Safe stopping distance detector, antenna and method |
| JP2981312B2 (ja) * | 1991-08-08 | 1999-11-22 | 富士通株式会社 | Ｆｍ−ｃｗレーダ装置 |
| US5767793A (en) * | 1995-04-21 | 1998-06-16 | Trw Inc. | Compact vehicle based rear and side obstacle detection system including multiple antennae |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2537593A (en) * | 1947-02-26 | 1951-01-09 | Rca Corp | Frequency modulation altimeter and range finder |
| US3216010A (en) * | 1952-11-04 | 1965-11-02 | Conrad W Roeschke | Range indicating system |
| US3065465A (en) * | 1958-04-25 | 1962-11-20 | Raytheon Co | Distance measuring devices |
| CA938368A (en) * | 1969-10-14 | 1973-12-11 | Kofsky Harvey | Lightweight doppler navigator |
-
1972
- 1972-01-17 JP JP673672A patent/JPS547198B2/ja not_active Expired
-
1973
- 1973-01-15 US US00323395A patent/US3846796A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3846796A (en) | 1974-11-05 |
| JPS4876486A (ja) | 1973-10-15 |