Patent · US Expired

Assembly of a printer and its consumption tank for business machine

US6011937A · kind A · utility

128Cited by
12References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 1997
Grant dateJan 4, 2000
Priority date
Expiry dateJun 13, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/00092
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The system for a printer in its reservoir for consumables for office equipment includes essential command unit for a printer, an electric chip having a balance of consumables and memory and a device to control the reservoir of consumables. The device includes a chip/central unit interfaced in a computer intended to determine the content of the reservoir of consumables, by calculating the flow, in cooperation with the central unit, by estimating the quantity of consumables used according to the estimated quantity of printed copies, and the balance of consumables left. This system has applications to photocopiers as well.

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