Patent · US Expired

Portable analyzer

US4791461A · kind A · utility

47Cited by
5References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 6, 1986
Grant dateDec 13, 1988
Priority date
Expiry dateOct 6, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2201/065
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A portable analyzer is disclosed. The analyzer comprises in combination a housing, an optical system comprising a light source, a detector, and one or more means for activating the optical system in generating a signal in response to a test element, means for manually moving the test element from a first position to a second position corresponding to a point of initiation of an operative condition of the optical system, means biasing the moving means toward said first position for controlling movement of the test element from the second position to the first position, means cooperative with said optical system, for processing the signal, and means, cooperative with the means for processing the signal, for displaying the processed signal.

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