基本信息:
- 专利标题： DOORBELL DEVICE AND POWER SUPPLY METHOD THEREFOR
- 申请号：EP17736072.4 申请日：2017-01-03
- 公开(公告)号：EP3401901A1 公开(公告)日：2018-11-14
- 发明人： JEON, Ki Kyung , BAE, Jung Young , CHOI, Min Yong
- 申请人： LG Innotek Co., Ltd.
- 申请人地址： 17th Floor, LG Seoul Station Building 98 Huam-ro Jung-gu, Seoul 04637 KR
- 专利权人： LG Innotek Co., Ltd.
- 当前专利权人： LG Innotek Co., Ltd.
- 当前专利权人地址： 17th Floor, LG Seoul Station Building 98 Huam-ro Jung-gu, Seoul 04637 KR
- 代理机构： Novagraaf Technologies
- 优先权： KR20160000576 20160104
- 国际公布： WO2017119699 20170713
- 主分类号： G10K1/062
- IPC分类号： G10K1/062 ; G10K15/02 ; G10K15/04
摘要：
According to one embodiment of the present invention, a doorbell device comprises: a power input unit; an interface unit; a battery unit for supplying power to the interface unit; a switching circuit connected to a doorbell switch so as to change a path of a current supplied from the power input unit according to an on/off state of the doorbell switch; and a control unit for charging the battery unit by using a current outputted from the switching circuit, wherein the control unit performs control such that the battery unit supplies power to the interface unit if the current outputted from the switching circuit toward the control unit is cut off.
IPC结构图谱:
| G | 物理 |
| --G10 | 乐器；声学 |
| ----G10K | 发声器械（发生玩具入A63H5/00；乐器或其配件见有关各小类，例如G10D）；不包含在其他类目中的声学器械 |
| ------G10K1/00 | 由打击谐振体发生的器械，例如铃、钟、锣 |
| --------G10K1/06 | .具有铃、板、棒或管形状的谐振器 |
| ----------G10K1/062 | ..电操作的 |