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:
Mar. 12, 2013
Filed:
Jul. 20, 2009
Karric Kwong, Vallejo, CA (US);
Robert Kavaler, Kensington, CA (US);
Pravin Varaiya, Berkeley, CA (US);
Ram Rajagopal, El Cerrito, CA (US);
Karric Kwong, Vallejo, CA (US);
Robert Kavaler, Kensington, CA (US);
Pravin Varaiya, Berkeley, CA (US);
Ram Rajagopal, El Cerrito, CA (US);
Sensys Networks, Inc., Berkeley, CA (US);
Abstract
A roadway information system is disclosed with components generating and using vehicle signatures for vehicles passing near sensor pods located on or near lanes in a multiple input-output roadway node. Means and/or processors for matching incoming and outgoing vehicle signatures are disclosed creating an in-out vehicle match table used to generate a vehicle movement estimate or its components including a travel time and/or vehicle count that may be created and/or used in response to a match tally exceeding a threshold or the stimulation of a timing signal.