Patent · US Expired

Laser printer for Braille

US7298391B2 · kind B2 · utility

3Cited by
6References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 13, 2004
Grant dateNov 20, 2007
Priority date
Expiry dateJun 22, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/043
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A laser printer for Braille that obviates the need for embossing mechanisms and specialized paper. A laser printer for Braille according to the present teachings increases an amount of a toner that adheres to an area of a paper that corresponds to the Braille element. The increased amount of toner yields a printed Braille element that may be read by touch.

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