JPH0344671B2 - - Google Patents
Info
- Publication number
- JPH0344671B2 JPH0344671B2 JP2966285A JP2966285A JPH0344671B2 JP H0344671 B2 JPH0344671 B2 JP H0344671B2 JP 2966285 A JP2966285 A JP 2966285A JP 2966285 A JP2966285 A JP 2966285A JP H0344671 B2 JPH0344671 B2 JP H0344671B2
- Authority
- JP
- Japan
- Prior art keywords
- passing
- light
- detector
- photodetector
- detection 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 39
- 230000003760 hair shine Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Landscapes
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2966285A JPS61189464A (ja) | 1985-02-18 | 1985-02-18 | 通過方向検出センサ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2966285A JPS61189464A (ja) | 1985-02-18 | 1985-02-18 | 通過方向検出センサ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61189464A JPS61189464A (ja) | 1986-08-23 |
| JPH0344671B2 true JPH0344671B2 (en]) | 1991-07-08 |
Family
ID=12282325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2966285A Granted JPS61189464A (ja) | 1985-02-18 | 1985-02-18 | 通過方向検出センサ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61189464A (en]) |
-
1985
- 1985-02-18 JP JP2966285A patent/JPS61189464A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61189464A (ja) | 1986-08-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |