Title:
A DIRECTIVITY WIRELESS INPUT DEVICE AND A SECURITY INPUT SYSTEM WITH THE DEVICE
Document Type and Number:
WIPO Patent Application WO/2007/147307
Kind Code:
A1
Abstract:
A directivity wireless input device and a security input system with the device include:
modulating the lightening mode of the directivity wireless input device with
a lightening cross section which is farther less than the projection distance and
a lightening unit transmits a light beam which can be distinguished by detection device
when it sends the light. While several users hold different input devices with
different lightening modes, the system can distinguish identity of each user
and accept his instruction according to the pre-authorization qualification.
Inventors:
CHANG CHIAJUNG (CN)
WEN JUNYU (CN)
ZHUANG JIAMING (CN)
WEN JUNYU (CN)
ZHUANG JIAMING (CN)
Application Number:
PCT/CN2007/000302
Publication Date:
December 27, 2007
Filing Date:
January 26, 2007
Export Citation:
Assignee:
CHANG CHIAJUNG (CN)
WEN JUNYU (CN)
ZHUANG JIAMING (CN)
WEN JUNYU (CN)
ZHUANG JIAMING (CN)
International Classes:
E05B49/00
Foreign References:
| CN1405426A | 2003-03-26 | |||
| CN1512028A | 2004-07-14 |
Attorney, Agent or Firm:
BEIJING MING & LONG INTELLECTUAL PROPERTY AGENT LIMITED (BuiIding 3No.17 South Zhongguancun Roa, Beijing 1, CN)
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