Patent · US Active

Hand-held glow writing apparatus

US8308315B2 · kind B2 · utility

0Cited by
9References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 25, 2010
Grant dateNov 13, 2012
Priority date—
Expiry dateAug 3, 2031

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J3/36
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A hand-held glow writing apparatus constructed for use with an ultraviolet sensitive surface to produce images that glow in the dark and will fade over a time period. The device including a plurality of LED lights arrange in a parallel line. The device includes a selector switch for electively choosing an image pattern stored on a memory. The LED lights when activated, turn on and off in accordance with a predetermined sequence timed for a movement of the writing apparatus across ultraviolet sensitive surface whereby the selected image pattern will imprint an image on the ultraviolet sensitive surface that fades over the time period.

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