JPH02140386U - - Google Patents
Info
- Publication number
- JPH02140386U JPH02140386U JP4560789U JP4560789U JPH02140386U JP H02140386 U JPH02140386 U JP H02140386U JP 4560789 U JP4560789 U JP 4560789U JP 4560789 U JP4560789 U JP 4560789U JP H02140386 U JPH02140386 U JP H02140386U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- transmitter
- amplifier
- receiver
- variable gain
- 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
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4560789U JP2520538Y2 (ja) | 1989-04-20 | 1989-04-20 | 超音波測距装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4560789U JP2520538Y2 (ja) | 1989-04-20 | 1989-04-20 | 超音波測距装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02140386U true JPH02140386U (fr) | 1990-11-22 |
| JP2520538Y2 JP2520538Y2 (ja) | 1996-12-18 |
Family
ID=31559940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4560789U Expired - Lifetime JP2520538Y2 (ja) | 1989-04-20 | 1989-04-20 | 超音波測距装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2520538Y2 (fr) |
-
1989
- 1989-04-20 JP JP4560789U patent/JP2520538Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2520538Y2 (ja) | 1996-12-18 |
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