Programmable field measuring instrument
US6697684B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Feb 15, 2001 |
| Grant date | Feb 24, 2004 |
| Priority date | — |
| Expiry date | Aug 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.