Title:
ネットワークに接続されるプロジェクタ、画像表示装置、および、電子機器
Document Type and Number:
Japanese Patent JP5012030
Kind Code:
B2
Abstract:
To suppress motivation of a thief to commit theft so as to prevent theft of an electronic device.
In this projector connected to a network, when not receiving transmission authentication information transmitted from an authentication information transmission device for a prescribed period or when previously registered registration authentication information and the received transmission authentication information discord, image projection operation is restricted.
COPYRIGHT: (C)2008,JPO&INPIT
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Inventors:
Hiroyuki Ichieda
Application Number:
JP2007001041A
Publication Date:
August 29, 2012
Filing Date:
January 09, 2007
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
G06F21/44; G06F21/60; G06F21/62; G06F21/84; G06F21/88; G09G5/00
Domestic Patent References:
| JP2004077967A | ||||
| JP10063622A | ||||
| JP2005351996A | ||||
| JP10041936A | ||||
| JP2006072853A |
Attorney, Agent or Firm:
Meisei International Patent Office