Patent · US Expired

Data transfer device for an image forming apparatus

US5587813A · kind A · utility

10Cited by
12References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 29, 1993
Grant dateDec 24, 1996
Priority date
Expiry dateJul 29, 2013

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/64
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A data transfer device for transferring data in a color digital copier, color printer or similar image forming apparatus of the type using a plurality of different kinds of data. A sending unit assigns other data to a predetermined number of bits of multilevel data to thereby send a plurality of kinds of data over common data lines. A receiving unit receives and separates the plurality of kinds of data. The device reduces the number of signal lines required for data transfer when a plurality of different kinds of data are not transferred at the same time.

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