Patent · US Active

Charge director injection system

US8380095B2 · kind B2 · utility

0Cited by

3References

20Claims

0Family size

Assignee

HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. · US

Inventors

Ido Elad · Nes Ziona, IL
Sasi Moalem · Nes Ziona, IL
Gal Amit · Bat Yam, IL
Eyal Shelef · Nes Ziona, IL

Key dates

Filing date	Jul 16, 2010
Grant date	Feb 19, 2013
Priority date	—
Expiry date	May 17, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG03G15/105
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A charge director injection system includes a charge director tank, a liquid toner tank, a charge director pump to pump charge director from the charge director tank into the liquid toner tank, and a control system configured to measure a change in charge density per amount of charge director injected into the liquid toner tank, and create a charge profile indicating a relationship between amount of charge director injected into the liquid toner and change in charge density of the liquid toner within the liquid toner tank.

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