发明名称 |
Network projector including a display signal control unit, and projector system including the network projector |
摘要 |
The present invention aims to provide a network projector which has a simple security function via a network. The network projector comprises a power source unit which supplies power to the network projector and a display signal control unit which, when confirming that a connection confirmation signal which is transmitted at a fixed period from a host computer via a network is not inputted for more than a predetermined time, outputs a supply stop signal to the power source unit indicating that the supply of power should be stopped. |
申请公布号 |
US8286259(B2) |
申请公布日期 |
2012.10.09 |
申请号 |
US20070312143 |
申请日期 |
2007.10.26 |
申请人 |
MURAYAMA SHUJI;KITAGAWA MASAKI;NEC DISPLAY SOLUTIONS, LTD. |
发明人 |
MURAYAMA SHUJI;KITAGAWA MASAKI |
分类号 |
H04L29/06 |
主分类号 |
H04L29/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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