JPS56140272A - Searching method of obstacle with supersonic wave - Google Patents
Searching method of obstacle with supersonic waveInfo
- Publication number
- JPS56140272A JPS56140272A JP4311080A JP4311080A JPS56140272A JP S56140272 A JPS56140272 A JP S56140272A JP 4311080 A JP4311080 A JP 4311080A JP 4311080 A JP4311080 A JP 4311080A JP S56140272 A JPS56140272 A JP S56140272A
- Authority
- JP
- Japan
- Prior art keywords
- obstacle
- receiving
- search zone
- detected
- oscillator
- 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
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)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Rehabilitation Tools (AREA)
Abstract
PURPOSE:To transmit an obstacle direction and its distance information accurately by dividing a search zone of an obstacle with a supersonic wave into the left and the right sides of the device to detect in order. CONSTITUTION:First, an obstacle TL in a search zone AL on the left side which includes the central axis of a device B is detected by using right and left oscillation receivers RL1 and RR1 positioned on both sides of a supersonic oscillator S and its central axis symmetrically. The detection of this obstacle TL is performed by oscillating the supersonic pulse toward the left side search zone A with a directional oscillator S and receiving a reflection pulse to the right and left oscillation receiver RL1 and RR1. The distance to the obstacle is detected by the time difference between the transmission from the oscillator S and the receiving of the receiver. Further, the direction of the obstacle can be detected by the time difference or phase difference of the receiving pulse in the right and left receivers RL1 and RR1. The same detection can be performed regarding the right side search zone AR. The signal of the receiving oscillation is indicated on a tactual sense matrix plate (d) through a decoder (c).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4311080A JPS56140272A (en) | 1980-04-02 | 1980-04-02 | Searching method of obstacle with supersonic wave |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4311080A JPS56140272A (en) | 1980-04-02 | 1980-04-02 | Searching method of obstacle with supersonic wave |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56140272A true JPS56140272A (en) | 1981-11-02 |
JPS6152954B2 JPS6152954B2 (en) | 1986-11-15 |
Family
ID=12654685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4311080A Granted JPS56140272A (en) | 1980-04-02 | 1980-04-02 | Searching method of obstacle with supersonic wave |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56140272A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6114031U (en) * | 1984-06-06 | 1986-01-27 | 株式会社 セコ−技研 | Guide device for the blind |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0541Y2 (en) * | 1985-09-24 | 1993-01-05 |
-
1980
- 1980-04-02 JP JP4311080A patent/JPS56140272A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6114031U (en) * | 1984-06-06 | 1986-01-27 | 株式会社 セコ−技研 | Guide device for the blind |
JPH0415218Y2 (en) * | 1984-06-06 | 1992-04-06 |
Also Published As
Publication number | Publication date |
---|---|
JPS6152954B2 (en) | 1986-11-15 |
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