Patent · US Active

Incremental update of compressed navigational databases

US11334605B2 · kind B2 · utility

0Cited by

20References

22Claims

0Family size

Assignee

HERE GLOBAL B.V. · NL

Inventors

Martin Pfeifle · Seewald, DE
Shripad Kulkarni · Jamkhed, IN
Abhinav Kumar · San Jose, US

Key dates

Filing date	Jun 3, 2016
Grant date	May 17, 2022
Priority date	—
Expiry date	Jan 13, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH03M7/3093
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A computing device may identify a plurality of equally sized data blocks of a first navigation file and may identify a plurality of equally sized data blocks of a second navigation file. The computing device may perform binary difference operations between the data blocks of the first navigation file to corresponding data blocks of the second navigation file The result of the binary difference operations is stored in a plurality of navigation patch files. At least two of the plurality of navigation patch files are merged into a merged navigation patch file.

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