Photo detective unit and electric apparatus using the same
US5811867A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 9, 1996 |
| Grant date | Sep 22, 1998 |
| Priority date | — |
| Expiry date | Sep 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.