The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7599796 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 06, 2009

Filed:

May. 11, 2006
Applicants:

Ting-yi Tsai, Taipei, TW;

Kuen-ruey LU, Hsinchu, TW;

I-ru Liu, Taipei, TW;

Te-yao Liu, Taipei, TW;

Inventors:

Ting-Yi Tsai, Taipei, TW;

Kuen-Ruey Lu, Hsinchu, TW;

I-Ru Liu, Taipei, TW;

Te-Yao Liu, Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The dual mode positioning system comprises multiple wireless network devices, one of the multiple wireless network devices including a GPS receiver. DSS is coupled to the multiple wireless network devices and an operation mode switch is also coupled to the multiple wireless network devices including a GPS receiver. A satellite GPS receiver coupled to the operation mode switch. The satellite GPS receiver is operated in an indoor area confined by walls with wide FOV (field of view) glass window, the operation mode switch switching to GPS mode for the satellite GPS receiver receives signals from greater than 3 satellites. Moreover, the satellite GPS receiver is operated in an indoor area confined by concrete walls or walls with narrow FOV glass window, the operation mode switch switching to Joint GPS/WPS mode for the satellite GPS receiver cannot receive signals from greater than 3 satellites.


Find Patent Forward Citations

Tsai, Ting-Yi. (2009). Dual-mode location position system (U.S. Patent No. 7599796). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7599796

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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