JPS59149071U - Ultrasonic ranging device - Google Patents
Ultrasonic ranging deviceInfo
- Publication number
- JPS59149071U JPS59149071U JP4445083U JP4445083U JPS59149071U JP S59149071 U JPS59149071 U JP S59149071U JP 4445083 U JP4445083 U JP 4445083U JP 4445083 U JP4445083 U JP 4445083U JP S59149071 U JPS59149071 U JP S59149071U
- Authority
- JP
- Japan
- Prior art keywords
- transmitted
- waves
- received
- ranging device
- ultrasonic ranging
- 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.)
- Pending
Links
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来装置における送波と受波および残響期間
の関係を示す波形図、第２図は従来装置における至近距
離物体と遠距離物体との受波レベルの差を示すグラフ、
第３図は本考案装置の電気的構成を示すブロック図、第
４図は本考案装置の遠距離物体を測定する際の送波と受
波および残響期間の関係を示すグラフ、第５図は本考案
装置における至近距離物体までの距離測定における第４
図と同様な図である。
１・・・遠方物体からの受波、２・・・送波、３・・・
残響、４・・・至近物体からの受波、５・・・送波パル
ス発生回路、６・・・超音波発振回路、７・・・変調回
路、８・・・超音波送受機、９・−・受波検出回路、１
０・・・距離測定回路、１１・・・送波振幅決定回路。FIG. 1 is a waveform diagram showing the relationship between transmitted waves, received waves, and reverberation period in the conventional device, and FIG. 2 is a graph showing the difference in received wave level between a close object and a far object in the conventional device.
Fig. 3 is a block diagram showing the electrical configuration of the device of the present invention, Fig. 4 is a graph showing the relationship between transmitted waves, received waves, and reverberation period when measuring a distant object with the device of the present invention, and Fig. 5 is The fourth step in distance measurement to a close-range object using the device of the present invention.
It is a figure similar to the figure. 1... Wave reception from a distant object, 2... Wave transmission, 3...
Reverberation, 4... Wave reception from a nearby object, 5... Transmission pulse generation circuit, 6... Ultrasonic oscillation circuit, 7... Modulation circuit, 8... Ultrasonic transceiver, 9. -・Received wave detection circuit, 1
0... Distance measurement circuit, 11... Transmission amplitude determination circuit.
Claims (1)
、前記被検物体からの反射波を受波し、前記送波と受波
との時間差に基づいて、被検物体までの距離を測定する
超音波測距装置において；前記測定された距離に応じて
、前記送波のレベルを変化させる手段を設けたことを特
徴とする超音波測距装置。Ultrasonic waves are transmitted in a pulsed manner toward the object to be tested, and the reflected waves from the object are received, and the distance to the object is calculated based on the time difference between the transmitted and received waves. An ultrasonic distance measuring device for measuring distances, further comprising means for changing the level of the transmitted wave according to the measured distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4445083U JPS59149071U (en) | 1983-03-28 | 1983-03-28 | Ultrasonic ranging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4445083U JPS59149071U (en) | 1983-03-28 | 1983-03-28 | Ultrasonic ranging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59149071U true JPS59149071U (en) | 1984-10-05 |
Family
ID=30174980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4445083U Pending JPS59149071U (en) | 1983-03-28 | 1983-03-28 | Ultrasonic ranging device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59149071U (en) |
-
1983
- 1983-03-28 JP JP4445083U patent/JPS59149071U/en active Pending
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