JPS63188571U - - Google Patents
Info
- Publication number
- JPS63188571U JPS63188571U JP8156387U JP8156387U JPS63188571U JP S63188571 U JPS63188571 U JP S63188571U JP 8156387 U JP8156387 U JP 8156387U JP 8156387 U JP8156387 U JP 8156387U JP S63188571 U JPS63188571 U JP S63188571U
- Authority
- JP
- Japan
- Prior art keywords
- comparison
- frequency component
- specific frequency
- circuit
- input 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.)
- Pending
Links
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
Landscapes
- Measuring Frequencies, Analyzing Spectra (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8156387U JPS63188571U (sv) | 1987-05-28 | 1987-05-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8156387U JPS63188571U (sv) | 1987-05-28 | 1987-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63188571U true JPS63188571U (sv) | 1988-12-02 |
Family
ID=30933419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8156387U Pending JPS63188571U (sv) | 1987-05-28 | 1987-05-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63188571U (sv) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57200826A (en) * | 1981-06-05 | 1982-12-09 | Japan Electronic Control Syst Co Ltd | Knocking detecting device |
| JPS5828646A (ja) * | 1981-08-14 | 1983-02-19 | Nissan Motor Co Ltd | ノツキング検出装置 |
-
1987
- 1987-05-28 JP JP8156387U patent/JPS63188571U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57200826A (en) * | 1981-06-05 | 1982-12-09 | Japan Electronic Control Syst Co Ltd | Knocking detecting device |
| JPS5828646A (ja) * | 1981-08-14 | 1983-02-19 | Nissan Motor Co Ltd | ノツキング検出装置 |