Title:
NETWORK PROJECTOR AND PROJECTOR SYSTEM
Document Type and Number:
WIPO Patent Application WO/2008/053807
Kind Code:
A1
Abstract:
Provided is a network projector having a simple security function through a network.
The network projector comprises a power supply section for supplying power
to the network projector and a video signal control unit for outputting a supply
stop signal indicating the stop of the power supply to the power supply section
when confirming that a connection confirmation signal transmitted from a host
computer through the network at a predetermined interval is not supplied for
a predetermined time or more.
Inventors:
MURAYAMA SHUJI (JP)
KITAGAWA MASAKI (JP)
KITAGAWA MASAKI (JP)
Application Number:
PCT/JP2007/070924
Publication Date:
May 08, 2008
Filing Date:
October 26, 2007
Export Citation:
Assignee:
NEC DISPLAY SOLUTIONS LTD (JP)
MURAYAMA SHUJI (JP)
KITAGAWA MASAKI (JP)
MURAYAMA SHUJI (JP)
KITAGAWA MASAKI (JP)
International Classes:
G09G5/00; G03B21/00; G03B21/14; G09G5/12
Foreign References:
| JP2005301177A | 2005-10-27 | |||
| JP2004046798A | 2004-02-12 | |||
| JP2006285072A | 2006-10-19 | |||
| JP2005338604A | 2005-12-08 | |||
| JP2002287242A | 2002-10-03 | |||
| JP2000259274A | 2000-09-22 | |||
| JP2004077967A | 2004-03-11 |
Attorney, Agent or Firm:
MIYAZAKI, Teruo et al. (16th Kowa Bldg.9-20, Akasaka 1-chome,Minato-k, Tokyo 52, JP)
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