JPH02128972U - - Google Patents
Info
- Publication number
- JPH02128972U JPH02128972U JP3769789U JP3769789U JPH02128972U JP H02128972 U JPH02128972 U JP H02128972U JP 3769789 U JP3769789 U JP 3769789U JP 3769789 U JP3769789 U JP 3769789U JP H02128972 U JPH02128972 U JP H02128972U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic wave
- receiving means
- searching
- wave transmitting
- ultrasonic
- 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
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3769789U JPH02128972U ( ) | 1989-03-31 | 1989-03-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3769789U JPH02128972U ( ) | 1989-03-31 | 1989-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02128972U true JPH02128972U ( ) | 1990-10-24 |
Family
ID=31545046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3769789U Pending JPH02128972U ( ) | 1989-03-31 | 1989-03-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02128972U ( ) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5234811A (en) * | 1975-09-11 | 1977-03-17 | Tokyo Juki Industrial Co Ltd | Paper receiving unit for printer |
JPS5674675A (en) * | 1979-11-24 | 1981-06-20 | Matsushita Electric Ind Co Ltd | Obstacle detection device |
-
1989
- 1989-03-31 JP JP3769789U patent/JPH02128972U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5234811A (en) * | 1975-09-11 | 1977-03-17 | Tokyo Juki Industrial Co Ltd | Paper receiving unit for printer |
JPS5674675A (en) * | 1979-11-24 | 1981-06-20 | Matsushita Electric Ind Co Ltd | Obstacle detection device |
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