Patent · US Expired

Developing apparatus

US4696255A · kind A · utility

35Cited by
1References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 1, 1985
Grant dateSep 29, 1987
Priority date
Expiry dateAug 1, 2005

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0887
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

In a developing apparatus for a copying machine in which a latent image on a latent image carrying member is developed by supplying a thin layer of a developer to the latent image carrying member, an electrically insulating layer having a number of electrically conduction spots dispersed therein is provided on a developer carrier member for supplying a developer from a developer storage to a latent image carrying member.

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