Patent · US Expired

Method and device for lighting an electronic or electromechanical apparatus

US6894440B2 · kind B2 · utility

1Cited by
8References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 5, 2003
Grant dateMay 17, 2005
Priority date
Expiry dateMar 5, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B45/12
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The present invention is a lighting device for an electronic or electromechanical apparatus such as a timepiece of the wristwatch type. The invention including a device displaying time-related or other information, this lighting device including a light source for lighting the display device. The lighting device is characterized in that the light source is also able to measure the intensity of the ambient light. The invention also concerns a method for controlling the lighting of an apparatus of the aforementioned type.

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