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Publication numberWO2006129515 A1
Publication typeApplication
Application numberPCT/JP2006/310172
Publication date7 Dec 2006
Filing date22 May 2006
Priority date31 May 2005
Also published asCN101189548A, CN101189548B, US8152314, US20090051827
Publication numberPCT/2006/310172, PCT/JP/2006/310172, PCT/JP/6/310172, PCT/JP2006/310172, PCT/JP2006310172, PCT/JP6/310172, PCT/JP6310172, WO 2006/129515 A1, WO 2006129515 A1, WO 2006129515A1, WO-A1-2006129515, WO2006/129515A1, WO2006129515 A1, WO2006129515A1
InventorsToshifumi Yokoyama, Ken'ichi Kasazumi, Shin-Ichi Kadowaki, Kiminori Mizuuchi, Hiroyuki Furuya, Kazuhisa Yamamoto
ApplicantMatsushita Electric Industrial Co., Ltd.
Export CitationBiBTeX, EndNote, RefMan
External Links: Patentscope, Espacenet
Display device
WO 2006129515 A1
Abstract
A display device (100) has, on the upper surface of a housing, a first switch (3) and a second switch (4), and also has, in the device, a light source (19) and a control circuit (18) for controlling the first switch (3) and the second switch (4). The control circuit (18) performs control such that the light source (19) is lit when the second switch (4) is pressed after a predetermined time has passed after the first switch (3) is pressed. The display device (100) can prevent, before image projection is performed, an entry of a person into a projection area, and can control an inadvertent start of the device.
Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
JP2001249399A * Title not available
JPH0366365A * Title not available
Classifications
International ClassificationG03B21/00
Cooperative ClassificationG03B21/005
European ClassificationG03B21/00
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