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:
Aug. 16, 2005
Filed:
Jul. 25, 2002
Peter Gregory Lloyd, Salisbury, GB;
Gareth Liam Harris, Southampton, GB;
Brian Phillip Stothard, Winchester, GB;
Peter Gregory Lloyd, Salisbury, GB;
Gareth Liam Harris, Southampton, GB;
Brian Phillip Stothard, Winchester, GB;
Roke Manor Research Limited, Romsey, GB;
Abstract
A passive object detection system () comprises first and second antennas () and a processor (). The first antenna () is adapted to receive a signal transmitted by a mobile telephone base station; the second antenna () is adapted to receive the signal transmitted by a mobile telephone base station () after it has been reflected off an object () and the processor compares the signal received from the mobile telephone base station with the signal reflected from the object to derive speed or position information relating to the object therefrom.