Patent · US Expired

Cleaner

US5613261A · kind A · utility

251Cited by
6References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 12, 1995
Grant dateMar 25, 1997
Priority date
Expiry dateApr 12, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05D1/0242
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A cleaner comprises a driving unit which moves the cleaner, a cleaner unit which cleans an object to be cleaned, a sensor by which a degree of dirt on the object is detected, and a driving controller which controls the driving unit on the basis of the detected degree of dirt. The cleaner unit further comprises a controller which compares the degrees of dirt detected by the sensor before and after a cleaning operation.

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