Patent · US Expired

Method and apparatus for controlling a screening device based on more than one set of factors

US6064949A · kind A · utility

120Cited by
8References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 1997
Grant dateMay 16, 2000
Priority date
Expiry dateFeb 27, 2017

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE06B2009/6818
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A screening device (3) for screening exterior light (2) which illuminates a room (1), is controlled such that in the room on the one hand, user comfort with regard to freedom from dazzling and room temperature is optimal and, on the other hand, energy consumption for artificial lighting within the room or for heating and cooling the room is minimized.

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