Patent · US Expired

Scanning apparatus

US6624438B2 · kind B2 · utility

7Cited by
24References
50Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 2, 2001
Grant dateSep 23, 2003
Priority date
Expiry dateAug 2, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/0678
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A scanning apparatus is provided, which includes a medium attached to a surface of a fixed, hollow cylindrical segment, the fixed, hollow cylindrical segment having a first longitudinal axis, a rotational radial laser beam rotating around the first longitudinal axis and arranged to scan said medium, and a light sensitive detector having a light acceptance direction along a second axis coinciding with the first longitudinal axis of the cylindrical segment.

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