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.:
Date of Patent:
Jun. 07, 2005
Filed:
Nov. 14, 2003
Applicant:
Fu Ching Lee, Beverly Hills, CA (US);
Inventor:
Fu Ching Lee, Beverly Hills, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B001/59 ;
U.S. Cl.
CPC ...
Abstract
This invention is a system for locating an object. A tag unit () that is attached or embedded into the object to be located generates radio frequency signals when excited by an ultrasonic wave (). The locator unit () generates the ultrasonic wave () and receives radio frequency signals from the tag unit (). The locator unit () determines the signal strength of the received radio frequency signal and provides a representation of the strength. By monitoring the signal strength indication, the user will be directed to the object.