JPH02141187U - - Google Patents
Info
- Publication number
- JPH02141187U JPH02141187U JP5044289U JP5044289U JPH02141187U JP H02141187 U JPH02141187 U JP H02141187U JP 5044289 U JP5044289 U JP 5044289U JP 5044289 U JP5044289 U JP 5044289U JP H02141187 U JPH02141187 U JP H02141187U
- Authority
- JP
- Japan
- Prior art keywords
- camera
- specific direction
- view
- visitors
- alerting
- 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
- 238000010586 diagram Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 2
Landscapes
- Closed-Circuit Television Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5044289U JPH02141187U (en, 2012) | 1989-04-28 | 1989-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5044289U JPH02141187U (en, 2012) | 1989-04-28 | 1989-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02141187U true JPH02141187U (en, 2012) | 1990-11-27 |
Family
ID=31568988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5044289U Pending JPH02141187U (en, 2012) | 1989-04-28 | 1989-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02141187U (en, 2012) |
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1989
- 1989-04-28 JP JP5044289U patent/JPH02141187U/ja active Pending