Patent · US Expired

Vibration sensor

US4547771A · kind A · utility

11Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 13, 1982
Grant dateOct 15, 1985
Priority date
Expiry dateAug 13, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08B21/182
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

In a vibration level indicator of the type having a vibration transducer and means for determining the average vibration level, the improvement having a storage element for holding a reference value corresponding to a selected level of the vibrations, and compare and display means responsive to the storage element and the transducer for indicating the relative relationship between the average level and the selected level.

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