Patent · US Active

Advancing virtual time bases for content

US8989223B2 · kind B2 · utility

0Cited by
21References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 2013
Grant dateMar 24, 2015
Priority date
Expiry dateMay 22, 2033

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N21/426
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The invention provides a method and apparatus that addresses and resolves the issues currently affecting the ability to offer Enhanced TV, in particular, those issues concerning timing and synchronization, interaction with other modules in the STB, and distribution.

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