JPS6235158B2 - - Google Patents
Info
- Publication number
- JPS6235158B2 JPS6235158B2 JP14010780A JP14010780A JPS6235158B2 JP S6235158 B2 JPS6235158 B2 JP S6235158B2 JP 14010780 A JP14010780 A JP 14010780A JP 14010780 A JP14010780 A JP 14010780A JP S6235158 B2 JPS6235158 B2 JP S6235158B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- road surface
- flag
- reset signal
- level
- 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 56
- 238000012790 confirmation Methods 0.000 claims description 32
- 230000015654 memory Effects 0.000 claims description 28
- 230000000630 rising effect Effects 0.000 claims description 23
- 230000003247 decreasing effect Effects 0.000 claims description 17
- 238000005070 sampling Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 description 32
- 238000012545 processing Methods 0.000 description 17
- 230000007423 decrease Effects 0.000 description 12
- 230000002159 abnormal effect Effects 0.000 description 10
- 238000005259 measurement Methods 0.000 description 10
- 230000005856 abnormality Effects 0.000 description 9
- 238000012546 transfer Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 240000004050 Pentaglottis sempervirens Species 0.000 description 1
- 235000004522 Pentaglottis sempervirens Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Traffic Control Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14010780A JPS5764899A (en) | 1980-10-06 | 1980-10-06 | Vehicle speed measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14010780A JPS5764899A (en) | 1980-10-06 | 1980-10-06 | Vehicle speed measuring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5764899A JPS5764899A (en) | 1982-04-20 |
| JPS6235158B2 true JPS6235158B2 (enExample) | 1987-07-30 |
Family
ID=15261090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14010780A Granted JPS5764899A (en) | 1980-10-06 | 1980-10-06 | Vehicle speed measuring method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5764899A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63191066A (ja) * | 1987-02-03 | 1988-08-08 | Nec Corp | 車両速度計測方法 |
-
1980
- 1980-10-06 JP JP14010780A patent/JPS5764899A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5764899A (en) | 1982-04-20 |
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