EP 0899622 A2 19990303 - Development apparatus having adjustable ac frequency
Title (en)
Development apparatus having adjustable ac frequency
Title (de)
Entwicklungsapparat mit einstellbarer Wechselstromfrequenz
Title (fr)
Appareil de developement avec frequence de courant alternatif ajustable
Publication
Application
Priority
US 91890497 A 19970827
Abstract (en)
A development apparatus for developing with a developer including toner particles an electrostatic latent image carried on an imaging member comprising: (a) a donor member positioned adjacent to the imaging member; and (b) AC means for establishing an AC voltage bias between the imaging member and the donor member, wherein the frequency of the AC voltage bias is adjustable to control the density of the toner particles on the electrostatic latent image. <IMAGE>
IPC 1-7
IPC 8 full level
G03G 15/00 (2006.01); G03G 15/06 (2006.01); G03G 15/08 (2006.01); G03G 21/00 (2006.01)
CPC (source: EP)
G03G 15/065 (2013.01); G03G 15/0808 (2013.01)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 98113218 A 19980715; JP 23384598 A 19980820