Patent · US Expired

Determining a final exposure setting automatically for a solid state camera without a separate light metering circuit

US6486915B2 · kind B2 · utility

31Cited by
8References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 20, 1999
Grant dateNov 26, 2002
Priority date
Expiry dateApr 20, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N23/73
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An embodiment of the invention is a method of generating a final exposure setting, including, (a) selecting one of a number of predetermined exposure settings as a current exposure setting for a solid state camera having a camera imager, (b) generating a captured scene by the camera imager using the current exposure setting, (c) selecting according to an automated search methodology another one of the exposure settings to be the current setting in response to the captured scene being underexposed or overexposed, and, (d) repeating (b) and (c) until the captured scene is neither underexposed or overexposed.

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