JPH0321959B2 - - Google Patents
Info
- Publication number
- JPH0321959B2 JPH0321959B2 JP8216684A JP8216684A JPH0321959B2 JP H0321959 B2 JPH0321959 B2 JP H0321959B2 JP 8216684 A JP8216684 A JP 8216684A JP 8216684 A JP8216684 A JP 8216684A JP H0321959 B2 JPH0321959 B2 JP H0321959B2
- Authority
- JP
- Japan
- Prior art keywords
- downstream
- vehicle
- ultrasonic transceiver
- ultrasonic
- upstream
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Traffic Control Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59082166A JPS60225300A (ja) | 1984-04-24 | 1984-04-24 | 交通流計測装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59082166A JPS60225300A (ja) | 1984-04-24 | 1984-04-24 | 交通流計測装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60225300A JPS60225300A (ja) | 1985-11-09 |
| JPH0321959B2 true JPH0321959B2 (cs) | 1991-03-25 |
Family
ID=13766843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59082166A Granted JPS60225300A (ja) | 1984-04-24 | 1984-04-24 | 交通流計測装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60225300A (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6978921B2 (ja) * | 2017-12-13 | 2021-12-08 | 三菱重工機械システム株式会社 | 車両検知装置、車両検知方法及び車両検知プログラム |
-
1984
- 1984-04-24 JP JP59082166A patent/JPS60225300A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60225300A (ja) | 1985-11-09 |
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