Patent · US Expired

Portal site providing system

US7206996B2 · kind B2 · utility

0Cited by
6References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 2002
Grant dateApr 17, 2007
Priority date
Expiry dateJul 9, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L67/535
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A portal site providing machine 20 obtains web pages provided by websites A–E at regular time intervals, and compares the latest web pages with the old web pages obtained last time. Then, the item-by-item comparison is made between the latest and old web pages to determine the degree of updating of the contents. The portal site providing machine 20 provides a portal page which contains images representing respective sites A–E with corresponding size and arrangement according to the degrees of updating.

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