Data recorder

US6185513A · kind A · utility

Assignee

• FRAUNHOFER-GESELSCHAFT · DE

Inventors

• Andreas Plettner · Feldafing, DE
• Karl Haberger · Planegg, DE

Key dates

• Filing date: Apr 3, 1998
• Grant date: Feb 6, 2001
• Expiry date: Apr 3, 2018

Classification

• Technology area (CPC G): Physics
• CPC primary: G01D9/007
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A data recorder has at least one sensor unit to compile at least one measurement value to be recorded during a monitoring interval, a control unit to control the compiling and recording of measurement data, a clock unit to provide a reference time on the basis of which the actual measurement times can be defined, a memory unit to store the measurement values compiled and the corresponding reference time provided for each measurement value, a battery unit for power supply, a fixation unit to fix the data recorder to an item to be monitored, and an interruption unit which interrupts the recording and/or compiling of measurement data upon any manipulation of the fixation unit.