Patent · US Expired

Lamp system take control dimming circuit

US4144478A · kind A · utility

16Cited by
2References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 11, 1977
Grant dateMar 13, 1979
Priority date
Expiry dateAug 11, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S315/04
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A circuit for providing remote control at a plurality of locations for a lighting system, such control functions including on/off, dimming intensity and rate of dimming. Visual indication of take control is also provided.

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