JPH042185U - - Google Patents
Info
- Publication number
- JPH042185U JPH042185U JP4221490U JP4221490U JPH042185U JP H042185 U JPH042185 U JP H042185U JP 4221490 U JP4221490 U JP 4221490U JP 4221490 U JP4221490 U JP 4221490U JP H042185 U JPH042185 U JP H042185U
- Authority
- JP
- Japan
- Prior art keywords
- television camera
- tower crane
- surveillance television
- surveillance
- lowering
- 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
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
Landscapes
- Closed-Circuit Television Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990042214U JPH089980Y2 (ja) | 1990-04-20 | 1990-04-20 | タワークレーンの監視用テレビシステム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990042214U JPH089980Y2 (ja) | 1990-04-20 | 1990-04-20 | タワークレーンの監視用テレビシステム |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH042185U true JPH042185U (US08197722-20120612-C00093.png) | 1992-01-09 |
JPH089980Y2 JPH089980Y2 (ja) | 1996-03-21 |
Family
ID=31553560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990042214U Expired - Lifetime JPH089980Y2 (ja) | 1990-04-20 | 1990-04-20 | タワークレーンの監視用テレビシステム |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH089980Y2 (US08197722-20120612-C00093.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014148396A (ja) * | 2013-02-01 | 2014-08-21 | Penta Ocean Construction Co Ltd | 建設作業時の安全監視装置及び監視方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6120836A (ja) * | 1984-07-02 | 1986-01-29 | シビエ・プロジエクトール | 自動車用前照灯の組立および方向調節方法とその実施のための自動車用前照灯 |
-
1990
- 1990-04-20 JP JP1990042214U patent/JPH089980Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6120836A (ja) * | 1984-07-02 | 1986-01-29 | シビエ・プロジエクトール | 自動車用前照灯の組立および方向調節方法とその実施のための自動車用前照灯 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014148396A (ja) * | 2013-02-01 | 2014-08-21 | Penta Ocean Construction Co Ltd | 建設作業時の安全監視装置及び監視方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH089980Y2 (ja) | 1996-03-21 |