Image scanner with a function of initiating scanning automatically
US5900950A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 19, 1997 |
| Grant date | May 4, 1999 |
| Priority date | — |
| Expiry date | Aug 19, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
This relates to an image scanner with a function of initiating scanning automatically. In addition to the main light source, an independent light source is provided in an image scanner for supplying a specific light signal, and a corresponding sensing window is also provided for detecting the open/close status of the top cover by means of the existing CCD/CIS in the image scanner, and decide the scanning of the document automatically or not accordingly. The independent light source being provided can be lighted on continually or be flickering for cooperating with the sensing window for detecting the open/close status of the top cover.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.