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:
Dec. 20, 2005
Filed:
Jul. 09, 2003
Salil Pradhan, Santa Clara, CA (US);
Chandrakant D. Patel, Fremont, CA (US);
Mark T. Smith, San Mateo, CA (US);
Salil Pradhan, Santa Clara, CA (US);
Chandrakant D. Patel, Fremont, CA (US);
Mark T. Smith, San Mateo, CA (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
A device having a signal module configured to transmit a first type of signal and a second type of signal and to receive the first type of signal and the second type of signal. The device also includes a timer and a controller configured to operate the signal module and timer. The controller is operable to determine a location of the device with respect to another device based upon the time elapsed between transmission and receipt of the first type of signal and transmission and receipt of the second type of signal.