JPS6443295U - - Google Patents
Info
- Publication number
- JPS6443295U JPS6443295U JP13970487U JP13970487U JPS6443295U JP S6443295 U JPS6443295 U JP S6443295U JP 13970487 U JP13970487 U JP 13970487U JP 13970487 U JP13970487 U JP 13970487U JP S6443295 U JPS6443295 U JP S6443295U
- Authority
- JP
- Japan
- Prior art keywords
- light
- corner
- monitoring device
- degrees
- received
- 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
- 238000012806 monitoring device Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Burglar Alarm Systems (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13970487U JPS6443295U (me) | 1987-09-11 | 1987-09-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13970487U JPS6443295U (me) | 1987-09-11 | 1987-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6443295U true JPS6443295U (me) | 1989-03-15 |
Family
ID=31403210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13970487U Pending JPS6443295U (me) | 1987-09-11 | 1987-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6443295U (me) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5616106A (en) * | 1979-07-18 | 1981-02-16 | Hideo Ogawa | Zenith prism with lens fitted |
-
1987
- 1987-09-11 JP JP13970487U patent/JPS6443295U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5616106A (en) * | 1979-07-18 | 1981-02-16 | Hideo Ogawa | Zenith prism with lens fitted |