Patent · US Active

Presence based technology

US8356317B2 · kind B2 · utility

12Cited by
296References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 2005
Grant dateJan 15, 2013
Priority date—
Expiry dateFeb 12, 2028

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N21/4667
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A collaborative information system.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.