Patent · US Active

Sheet, display medium unit, sheet attaching device, and sheet detaching device

US7817146B2 · kind B2 · utility

1Cited by
2References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 18, 2005
Grant dateOct 19, 2010
Priority date
Expiry dateSep 3, 2028

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2201/58
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

The present invention provides a sheet with plural wireless measuring units, each of which, when a radio signal is sent, measures physical quantity surrounding itself by using the radio signal as an energy source, and generates and sends a radio signal having an attribute reflecting the measured physical quantity.

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