JPS55138670A - Inter-vehicle distance measuring apparatus - Google Patents
Inter-vehicle distance measuring apparatusInfo
- Publication number
- JPS55138670A JPS55138670A JP4701479A JP4701479A JPS55138670A JP S55138670 A JPS55138670 A JP S55138670A JP 4701479 A JP4701479 A JP 4701479A JP 4701479 A JP4701479 A JP 4701479A JP S55138670 A JPS55138670 A JP S55138670A
- Authority
- JP
- Japan
- Prior art keywords
- inter
- vehicle distance
- ultrasonic waves
- temperature
- vehicle
- Prior art date
- 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.)
- Granted
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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Radar Systems Or Details Thereof (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4701479A JPS55138670A (en) | 1979-04-16 | 1979-04-16 | Inter-vehicle distance measuring apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4701479A JPS55138670A (en) | 1979-04-16 | 1979-04-16 | Inter-vehicle distance measuring apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55138670A true JPS55138670A (en) | 1980-10-29 |
JPS633267B2 JPS633267B2 (ja) | 1988-01-22 |
Family
ID=12763307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4701479A Granted JPS55138670A (en) | 1979-04-16 | 1979-04-16 | Inter-vehicle distance measuring apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55138670A (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4938257U (ja) * | 1972-07-04 | 1974-04-04 | ||
JPS5226699A (en) * | 1975-08-25 | 1977-02-28 | Mitsubishi Electric Corp | Rooter |
-
1979
- 1979-04-16 JP JP4701479A patent/JPS55138670A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4938257U (ja) * | 1972-07-04 | 1974-04-04 | ||
JPS5226699A (en) * | 1975-08-25 | 1977-02-28 | Mitsubishi Electric Corp | Rooter |
Also Published As
Publication number | Publication date |
---|---|
JPS633267B2 (ja) | 1988-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees | ||
EXPY | Cancellation because of completion of term |