Patent · US Expired

Photo detective unit and electric apparatus using the same

US5811867A · kind A · utility

2Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 9, 1996
Grant dateSep 22, 1998
Priority date
Expiry dateSep 9, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E10/548

Abstract

A photo detective unit includes a photo detective semiconductor chip including a photo detective element formed under a first manufacturing condition and a buffer circuit for shaping output waveform of the photo detective element, and a signal processing semiconductor chip formed under a second manufacturing condition and responsive to voltage from the photo detective semiconductor chip for generating digital data, and the photo detective semiconductor chip and the signal processing semiconductor chip are together accommodated in a single package.

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