Patent · US Expired

Imaging unit and image reading apparatus

US7339150B2 · kind B2 · utility

3Cited by
1References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 31, 2005
Grant dateMar 4, 2008
Priority date
Expiry dateOct 31, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N2201/0418
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A first light source is adapted to illuminate a first object with first light. A first sensor includes a first light receiving element adapted to detect the first light by way of the first object. A second sensor includes a second light receiving element adapted to detect a second light which is externally inputted by way of a second object. A transparent member is disposed on at least one of a first optical path extending from the first object to the first sensor through a first lens and a second optical path extending from the second object to the second sensor through a second lens.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.