Optical scanner aperture and light source assembly
US5038028A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 1990 |
| Grant date | Aug 6, 1991 |
| Priority date | — |
| Expiry date | May 18, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/00885
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An aperture and light source assembly including an elongate aperture plate having a longitudinally extending, aperture defining slit at a top end thereof and a light source for illuminating an object to be scanned including a first elongate bulb and a second elongate bulb positioned adjacent opposite lateral sides of the vertically disposed portion of said aperture plate and below the top end slit therein; a connector and spacer assembly fixedly connecting the bulbs in spaced apart, parallel relationship; and an attachment assembly associated with the connector assembly removably attaching the light source to the optical scanner; and whereby the first and second bulbs are installable and removable from the optical scanner as a modular unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.