JPS63132310U - - Google Patents
Info
- Publication number
- JPS63132310U JPS63132310U JP2536487U JP2536487U JPS63132310U JP S63132310 U JPS63132310 U JP S63132310U JP 2536487 U JP2536487 U JP 2536487U JP 2536487 U JP2536487 U JP 2536487U JP S63132310 U JPS63132310 U JP S63132310U
- Authority
- JP
- Japan
- Prior art keywords
- light
- filter
- incidence
- angle
- attenuation filter
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims 2
- 230000003287 optical effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987025364U JPH0643687Y2 (ja) | 1987-02-23 | 1987-02-23 | 光方向検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987025364U JPH0643687Y2 (ja) | 1987-02-23 | 1987-02-23 | 光方向検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63132310U true JPS63132310U (hu) | 1988-08-30 |
| JPH0643687Y2 JPH0643687Y2 (ja) | 1994-11-14 |
Family
ID=30825451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987025364U Expired - Lifetime JPH0643687Y2 (ja) | 1987-02-23 | 1987-02-23 | 光方向検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0643687Y2 (hu) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004074866A1 (ja) * | 2003-02-19 | 2004-09-02 | Hitachi, Ltd. | 物体監視センサ |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6323607U (hu) * | 1986-07-30 | 1988-02-16 |
-
1987
- 1987-02-23 JP JP1987025364U patent/JPH0643687Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6323607U (hu) * | 1986-07-30 | 1988-02-16 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004074866A1 (ja) * | 2003-02-19 | 2004-09-02 | Hitachi, Ltd. | 物体監視センサ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0643687Y2 (ja) | 1994-11-14 |