公开(公告)号：WO2021002868A1

公开(公告)日：2021-01-07

申请号：PCT/US2019/040593

申请日：2019-07-03

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： REIER, Matthew Douglas ,  QUARTO, Daniel Ethan Frantz ,  MARTIN, Chad Quinten

IPC: B41J3/36

Abstract: A handheld printing device includes a printing mechanism and a light source. The printing mechanism prints a swath of print material onto a print medium as the handheld printing device is moved across the print medium. The light source projects onto the print medium a light box. The light box has top and bottom edges corresponding to the swath and indicating where the printing mechanism will print the swath as the handheld printing device is moved across the print medium.