Patent · US Expired

Switch assembly for thermometry apparatus

US7021824B2 · kind B2 · utility

27Cited by

15References

7Claims

0Family size

Assignee

WELCH ALLYN, INC. · US

Inventors

Thaddeus J. Wawro · Auburn, US
Daniel R. Sommers · Skaneateles, US
Christopher Keegan · Marcellus, US

Key dates

Filing date	Oct 20, 2003
Grant date	Apr 4, 2006
Priority date	—
Expiry date	Oct 20, 2023

Classification

Technology area (CPC G)Physics
CPC primaryG01J5/049
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A thermometry apparatus includes a housing that receives a probe having at least one temperature responsive element within an isolation chamber that is preferably removable from the housing. A switch assembly determines the presence of the isolation chamber in the housing wherein the apparatus is enabled only if the isolation chamber is attached to the housing and a probe is removed from the attached isolation chamber.

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