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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 (12F.-2, No.374 Sec.2,Bade Rd.,Songshan District,Taipei, Taiwan, Taiwan, CN)
张家荣 (中国台湾省台北市松山区八德路二段374号12楼之2, Taiwan, Taiwan, CN)
WEN, Junyu (I2F.-2, No.374 Sec.2,Bade Rd.,Songshan District,Taipei, Taiwan, Taiwan, CN)
Application Number:
CN2007/000302
Publication Date:
December 27, 2007
Filing Date:
January 26, 2007
Export Citation:
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Assignee:
CHANG, Chiajung (12F.-2, No.374 Sec.2,Bade Rd.,Songshan District,Taipei, Taiwan, Taiwan, CN)
张家荣 (中国台湾省台北市松山区八德路二段374号12楼之2, Taiwan, Taiwan, CN)
WEN, Junyu (I2F.-2, No.374 Sec.2,Bade Rd.,Songshan District,Taipei, Taiwan, Taiwan, CN)
International Classes:
E05B49/00; E05B49/00
Attorney, Agent or Firm:
BEIJING MING & LONG INTELLECTUAL PROPERTY AGENT LIMITED (Suite l505, BuiIding 3No.17 South Zhongguancun Roa, Beijing 1, 100081, CN)
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