Patent · US Expired

Programmable field measuring instrument

US6697684B2 · kind B2 · utility

2Cited by
8References
19Claims
0Family size

Inventor

Key dates

Filing dateFeb 15, 2001
Grant dateFeb 24, 2004
Priority date
Expiry dateAug 3, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F2221/2153
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A programmable field measuring instrument includes a control unit, and a connector terminal, and a software protection device. The control unit executes a control program. The connector terminal is connected to the software protection device such that the software protection device may be released from the connector terminal. The software protection device includes a connector mating element with an integrated electronic component which allow authorization examination by the control unit.

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