Optical scanner using through holes to show scanning progress
US5883728A · kind A · utility
6Cited by
2References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 20, 1997 |
| Grant date | Mar 16, 1999 |
| Priority date | — |
| Expiry date | May 20, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/043
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical scanner in which a row of through holes are mounted on the top side of the housing of the optical scanner outside the scanning area, light from the light source of the scanning mechanism passes through the through hole from one to another to show the progress of the scanning operation during a scanning operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.