Patent · US Expired

Liquid injection recording apparatus

US4587534A · kind A · utility

71Cited by
5References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 24, 1984
Grant dateMay 6, 1986
Priority date
Expiry dateJan 24, 2004

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2002/14475
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

In a liquid injection recording apparatus having discharge ports for discharging liquid and forming flying droplets, liquid flow paths communicating with the discharge ports, and energy generating means generating energy for causing the liquid to be discharged from the discharge ports, when the shortest length from the center line of the discharge ports to the central position of the energy acting surface of the energy generating means is a and the length from the center line of the discharge ports to the bottom surface of the liquid flow paths just beneath the center of the discharge ports is b, the value of a/b is 50 or less.

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