Patent · US Expired

Data carrier

US5259540A · kind A · utility

9Cited by

28References

13Claims

0Family size

Assignee

Skidata Computer (yesellschaft m.b.H.) · AT

Inventors

Wolfram Kocznar · Innsbruck, AT
Kurt Wallerstorfer · Straßwalchen, AT
Gerhard Kiska · Salzburg, AT

Key dates

Filing date	Jul 16, 1992
Grant date	Nov 9, 1993
Priority date	—
Expiry date	Jul 16, 2012

Classification

Technology area (CPC G)Physics
CPC primaryG09F23/16
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

To permit visual monitoring of the owner of a data carrier in the form of a wrist-watch, a photo of the owner is incorporated in the clasp attached to the strap of the data carrier.

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