| 发明名称 |
OPENINGGCLOSING ALARM DEVICE FOR ELEVATOR DOOR |
| 摘要 |
PURPOSE:To enable passengers including the blind to confirm the closing state of an elevator door by generating a sound in accordance with an open quantity of the door. |
| 申请公布号 |
JPS5293045(A) |
申请公布日期 |
1977.08.05 |
| 申请号 |
JP19760009271 |
申请日期 |
1976.02.02 |
| 申请人 |
TOKYO SHIBAURA ELECTRIC CO |
发明人 |
KITAGAWA HIROSHI |
| 分类号 |
E05F15/10;B66B3/00;B66B13/14;B66B13/24 |
主分类号 |
E05F15/10 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
