Patent · US Expired

Semiconductor device and video camera unit using it and their manufacturing method

US5274456A · kind A · utility

53Cited by
15References
26Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJan 21, 1992
Grant dateDec 28, 1993
Priority date
Expiry dateJan 21, 2012

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2224/48091
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An imaging assembly, which is particularly useful for a video camera unit, comprising a set of lenses, some of which have a non-refractive surface, and an image sensor. A holder is provided for holding both the set of lenses and the image sensor to be aligned with one another. Circuitry is also provided so that the sensitivity of the image sensor can be electrically varied.

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