JPH0377736B2 - - Google Patents
Info
- Publication number
- JPH0377736B2 JPH0377736B2 JP13852186A JP13852186A JPH0377736B2 JP H0377736 B2 JPH0377736 B2 JP H0377736B2 JP 13852186 A JP13852186 A JP 13852186A JP 13852186 A JP13852186 A JP 13852186A JP H0377736 B2 JPH0377736 B2 JP H0377736B2
- Authority
- JP
- Japan
- Prior art keywords
- output
- level
- ultrasonic
- circuit
- signal
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
Landscapes
- Electric Suction Cleaners (AREA)
- Electric Vacuum Cleaner (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61138521A JPS62295636A (ja) | 1986-06-13 | 1986-06-13 | 電気掃除機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61138521A JPS62295636A (ja) | 1986-06-13 | 1986-06-13 | 電気掃除機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62295636A JPS62295636A (ja) | 1987-12-23 |
| JPH0377736B2 true JPH0377736B2 (enExample) | 1991-12-11 |
Family
ID=15224086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61138521A Granted JPS62295636A (ja) | 1986-06-13 | 1986-06-13 | 電気掃除機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62295636A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2820407B2 (ja) * | 1988-02-16 | 1998-11-05 | 松下電器産業株式会社 | 自走式掃除機 |
-
1986
- 1986-06-13 JP JP61138521A patent/JPS62295636A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62295636A (ja) | 1987-12-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |