Search Images Maps Play YouTube News Gmail Drive More »
Advanced Patent Search | Web History | Sign in

Patents

Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US403566817 Mar 197612 Jul 1977Matsushita Electric Industrial Co., Ltd.Input-interruption type delayed turn-off control timer
US406483419 Nov 197627 Dec 1977A. B. Dick CompanyApparatus for sensing the concentration of toner in a developer mix
US410121431 Dec 197518 Jul 1978Minolta Camera Kabushiki KaishaToner dispensing device with electrical integrating circuit
US412832927 Sep 19765 Dec 1978Ricoh Company, Ltd.Apparatus for producing bias voltage for use in electrophotographic copying machines
US41356422 Jun 197723 Jan 1979Xerox CorporationWiper arrangement for toner level sensor
US429642314 Aug 197920 Oct 1981Konishiroku Photo Industry Co., Ltd.Device for adjusting image density in composite information recording apparatus
US458976224 May 198420 May 1986Agfa-Gevaert N.V.Toner dispensing control
US461053224 May 19849 Sep 1986Agfa-Gevaert N.V.Toner dispensing control
US461190524 Oct 198416 Sep 1986AGFA-GEVAERT N.V.Toner dispensing control
US469576228 Jun 198522 Sep 1987American Telephone and Telegraph Company, AT&T Bell LaboratoriesElectron beam pumped rod-like light emitters
US472197831 Oct 198626 Jan 1988Xerox CorporationColor toner concentration control system
US480724110 Jul 198721 Feb 1989American Telephone and Telegraph Company AT&T Bell LaboratoriesElectron beam pumped laser
US520469827 Aug 199220 Apr 1993Xerox CorporationToner monitoring in an electrostatographic digital printing machine
US520469914 Sep 199220 Apr 1993Xerox CorporationApparatus for estimating toner usage
US527922417 Apr 199218 Jan 1994Rockwell International CorporationCharge imaging system for a printing press
US534937717 May 199320 Sep 1994Xerox CorporationPrinter toner usage indicator with image weighted calculation
US55922983 Jun 19947 Jan 1997Xerox CorporationApparatus and method for detecting digitized image area coverage by counting pixels
US563603211 Oct 19953 Jun 1997Xerox CorporationSystem and method for informing a user of a marking material status in a printing environment
US570603728 Sep 19956 Jan 1998Xerox CorporationSystem and method for overriding a low marking material status in a facsimile environment
US576079527 Sep 19952 Jun 1998Xerox CorporationSystem and method for overriding a low marking material status in a facsimile environment
US588722120 Oct 199723 Mar 1999Xerox CorporationSignature sensing for optimum toner control with donor roll
US593722521 Jul 199710 Aug 1999International Business Machines CorporationPixel counting toner or ink use monitor and pixel counting method for monitoring the toner or ink use
US617313415 Dec 19999 Jan 2001Fuji Xerox Co., Ltd.Image forming system having toner consumption predicting device
US658429019 Dec 200024 Jun 2003Xerox CorporationSystem for providing information for a customer replaceable unit
US697542219 Dec 200013 Dec 2005Xerox CorporationMethod for providing information for a customer replaceable unit
US712409723 Jan 200217 Oct 2006Xerox CorporationMethod and system for ordering a consumable for a device
US766377025 Jan 200216 Feb 2010Xerox CorporationMethod and system for shopping for a consumable for a device
US78226458 Sep 200626 Oct 2010Xerox CorporationMethod and system for ordering a consumable for a device