Patent · US Expired

Electronic monitoring system

US4851822A · kind A · utility

41Cited by
5References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 24, 1986
Grant dateJul 25, 1989
Priority date
Expiry dateDec 24, 2006

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25D29/003
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

An electronic monitoring system for a refrigerated unit has sensing means responsive to temperature within the unit, conditions of the engine driving a compressor, security controls of the unit, all interconnected with solid state programming means in order to provide visual, audio, and transponding alarms in the event of a malfunction within the unit.

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