Patent · US Expired

Apparatus and method for calculating an absolute time at which an event occurred

US5795161A · kind A · utility

16Cited by
15References
2Claims
0Family size

Inventor

Key dates

Filing dateJun 7, 1995
Grant dateAug 18, 1998
Priority date
Expiry dateJun 7, 2015

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA63F2300/638
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

An event logging system in which logged events are time stamped by storing a value read from a counter which is incremented at an arbitrary but consistent rate. When the data is recalled for analysis, the actual time of the event is calculated by reading the current value of the counter, reading the stored counter values associated with logged events, measuring the period of the clock incrementing the counter, and then using this information to calculate the absolute time.

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