Contact-type image sensor assembly having supporting structure for maintaining predetermined distance between the lens and the original and the sensor
US5254847A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 6, 1992 |
| Grant date | Oct 19, 1993 |
| Priority date | — |
| Expiry date | Apr 6, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/03154
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A contact-type image sensor assembly including: an image sensor; a light source for illuminating an original document which has image information; an optical lens for imaging light reflected by the original document onto the image sensor; and a supporting member for supporting the image sensor, the light source and the optical lens, wherein the supporting member includes: a first supporting member for maintaining the distance from the surface of the original document and the light incidental side of the optical lens at a predetermined distance; a second supporting member disposed individually from the first supporting member and acting to maintain the distance from the light emission side of the optical lens to the light receiving side of the image sensor; and a third supporting member for supporting the first and second supporting members at predetermined positions and the third supporting member supports the first and second supporting members in this way that their positions can be adjusted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.