Patent · US Expired

Portable laser diode scanning head

US4825057A · kind A · utility

132Cited by
6References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 26, 1988
Grant dateApr 25, 1989
Priority date
Expiry dateJan 26, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K2207/1011
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A portable laser diode scanning head, aimable at each symbol to be read, emits and receives non-readily-visible laser light, and is equipped with a trigger-actuated aiming light arrangement for visually locating and tracking each symbol. A compact laser diode optical train and an optical folded path assembly, as well as an interchangeable component design and an integral window construction for the head also are disclosed.

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