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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 8177217 | Sheet feeding device and image forming apparatus incorporating same A sheet feeding device includes a sheet carrying unit, an attraction separation device electrostatically attracting and separating an uppermost sheet from a sheet stack and including multiple rollers, an endless dielectric belt stretched over the multiple rollers, a... | 05/15/2012 |
| 8157257 | Sheet feeding device and electrophotographic image forming apparatus with rotating charged belt A sheet feeding device incorporable in an image forming apparatus includes a sheet holder to hold a stack of sheets including an uppermost sheet, an endless belt, a charging member, a belt supporting unit including a drive roller and a driven roller, a moving mechan... | 04/17/2012 |
| 8020851 | Sheet supplier and image forming apparatus incorporating same with friction and electrostatic separators with overlapping planes of projection In a sheet separator of a sheet supplier, a friction separator and an electrostatic separator separate an uppermost sheet from other sheets of a plurality of sheets loaded on a sheet tray by a friction force and an attraction force generated by a non-uniform electri... | 09/20/2011 |
| 7828280 | Paper feeding apparatus and image forming apparatus having the same A paper feeding apparatus capable of preventing noises generated when picking up and transferring paper, and an image forming apparatus having the same. The paper feeding apparatus according to the present invention comprises a pickup unit, which is disposed upstrea... | 11/09/2010 |
| 7591458 | Sheet conveyance apparatus and image forming apparatus A sheet conveyance apparatus can convey a recording paper (12) in a stable condition irrespective of a kind of the material of the recording paper (12). The sheet conveyance apparatus conveys a recording sheet (12) by attaching the recording pap... | 09/22/2009 |
| 7370862 | Apparatus for detecting double-feed of paper Disclosed are an apparatus and method for detecting double-feed of paper to prevent banking accidents or jam in a paper handling machine for handling paper, sheets of currency note are not separated by a sheet separating means and thus plural sheets are double fed. ... | 05/13/2008 |
| 7280798 | Image forming apparatus with conveying device urging a recording material toward a charge eliminating member The image forming apparatus has an image bearing member for bearing a toner, a transfer device which forms a transfer area in cooperation with the image bearing member for transferring the toner on the image bearing member onto a recording material, a charge elimina... | 10/09/2007 |
| 7264347 | Recording-medium conveying device conveying a recording medium on a conveying belt charged with a positive charge and a negative charge alternately This recording-medium conveying device comprises a conveying belt, the conveying belt, a belt charging unit, and a pressing roller. The conveying belt is wound around a driving roller and a driven roller so as to convey a recording medium to an image recording part.... | 09/04/2007 |
| 7144621 | Method of manufacturing laminated seamless belt and laminated seamless belt A laminated seamless belt having at least a base layer and an outer layer. The base layer contains a polyester thermoplastic elastomer as its main component. The base layer has a volume resistivity set to not less than 1.0×106(Ω·cm) nor more than 1.0×... | 12/05/2006 |
| 7055948 | Voltage control for capacitive mat Representative embodiments provide for a controller for use with a capacitive mat, the controller configured to selectively electrically energize a first node of the capacitive mat in response to an input. The controller is further configured to wait for a first pre... | 06/06/2006 |
| 7007943 | Absorption belt, image forming apparatus with absorption belt and method for producing absorption belt The absorption belt capable of absorbing an object such as a printing medium P includes an insulating layer, a plurality of positive electrodes and a plurality of negative electrodes arranged alternately on the insulating layer, and a plurality of absorption layers ... | 03/07/2006 |
| 6916393 | Multi-layered endless belt, medium conveying belt made of the same, production method thereof, and forming apparatus thereof A multi-layered endless belt having an arbitrary layer thickness by the thickness of the film and the winding number, a medium conveying belt using the same, and a method and apparatus by which these can be stably produced without various residues in the production ... | 07/12/2005 |
| 6845976 | Pallet pin sheet fanner with floating magnetic assembly The invention is a pallet pin which contains an integral floating magnet assembly. The floating magnet assembly is mounted within the internal cavity of the pin and is attached to a longitudinally extending member which is located within the interior space of the fa... | 01/25/2005 |
| 6746063 | Device for separating, lifting and moving aluminium sheets or other non-ferromagnetic material Device for separating, lifting and transporting sheets of aluminium or other non-ferromagnetic material consisting of a spider attraction assembly provided with a series of blocks of magnets and with contact electrodes, which by way of the effects produced by Lorent... | 06/08/2004 |
| 6652938 | Media transport belt A media transport belt with excellent electrostatic absorption, resistance to dielectric breakdown, and ink resistance, which comprises a tubular film made of polymer material, an electrode pattern formed on the surface of the tubular film, and an electro... | 11/25/2003 |
| 6638002 | Pallet pin sheet fanner The invention is a magnet for facilitating separation of individual sheets from a stack of ferro-magnetic sheets; the invention is in the form of an elongate housing containing an elongate array of magnets which may be selectively positioned in relation t... | 10/28/2003 |
| 6595515 | Sheet conveying device with increased electric voltage The present invention relates to a sheet conveying device for attracting a sheet by electric power and for conveying the sheet, the sheet conveying device comprising a belt arranged with an electrode and a plurality of electric supplying members being ali... | 07/22/2003 |
| 6588580 | Apparatus for the transport of workpieces in particular of suspended, panel-shaped workpieces The invention relates to an apparatus for the transport of workpieces (W), in particular of suspended, panel-shaped workpieces (W), such as sheets or plates. This apparatus has at least one rotationally driven conveyor belt (1, 2) for the workpieces (W) t... | 07/08/2003 |
| 6481706 | Magnetic sheet fanner A magnetic sheet fanner consisting of an elongated horseshoe magnet or bar magnet having an upper end and a lower end, the poles of such elongated magnet extending from the upper end to the lower end; a support frame having an interior space and having a ... | 11/19/2002 |
| 6468025 | Blank separation method and apparatus It is known to utilize magnets to assist in separating individual blanks from a stack of blanks. The invention utilizes a pressurized fluid, for example pressurized air, to separate one blank from another. The pressurized air system is utilized in a combi... | 10/22/2002 |
| 6402134 | Process and apparatus for attaching flat products A method is proposed for separating flat, stacked products, which are preferably fed individually, at a distance from one another and lying one behind another, to a further processing process, first of all the uppermost product being lifted, at least part... | 06/11/2002 |
| 6375184 | Sheet conveying apparatus and image forming apparatus The present invention relates to a sheet conveying apparatus comprising a conveyance belt, on which stripe shaped electrodes each fed to a voltage different from that fed to one another are alternatively arranged, for conveying a sheet in attracting the s... | 04/23/2002 |
| 6293538 | Magnetic sheet fanner A magnetic fanner for providing a gap between stacked, magnetically permeable sheets has a housing formed of non-magnetically permeable material defining a sealed chamber within which a piston is reciprocable between a first position in which magnets carr... | 09/25/2001 |
| 6267225 | Sheet-conveying device for machines used in the printing technology field A device for conveying thin workpieces for machines used in the printing technology field having at least one movable conveying element having an electrically insulating contact surface supporting at least one workpiece as it is being conveyed, the contac... | 07/31/2001 |
| 6032779 | Control of magnetic printed sheets Banknotes printed with magnetic ink pass through a tri-color age detector 34, and then between a pair of premagnetization rollers (10,12) having opposite magnetic polarity of such strength that the magnetic signature of all banknotes is enhanced to the sa... | 03/07/2000 |
| 6006638 | Automated sheet metal blanking apparatus An automated sheet metal blanking apparatus includes a loading table having a conveyor horizontally moveable between a loading position wherein sheet metal pieces are loaded onto the conveyor and a destacking station wherein the conveyor transfers the she... | 12/28/1999 |
| 5934662 | Bottom sheet separator-feeder with sheet stack levitation A bottom sheet feeding system for feeding individual image substrate sheets for reproduction apparatus out from under a stack of such sheets by intermittently feeding the bottom sheet out from under the overlying stack of sheets in a sheet stacking tray w... | 08/10/1999 |
| 5651541 | Magnetic sheet separator construction A magnetic separator for separating magnetically permeable, stacked sheets has permanent magnets mounted on a movable support for movements toward and away from the stack of sheets. The magnets normally occupy a position closely adjacent the stack of shee... | 07/29/1997 |
| 5582056 | Installation for cutting a knife material An installation for cutting a knife material which accurately cuts and produces an intermediate knife material to be supplied to a bending device for bending and forming a knife for working a sheet body. The installation is provided with a repository memb... | 12/10/1996 |
| 5382014 | Sheet feed device for image forming equipment using a dielectric, reciprocating plate A sheet feed device for image forming equipment and capable of feeding sheets one by one from a stack by separating them. The device has a flat plate including a dielectric portion which is capable of making surface-to-surface content with the top of the ... | 01/17/1995 |
| 5322269 | Apparatus for feeding sheets separately using an electrostatic separator and separating member The present invention relates to an apparatus for feeding sheets separately, the apparatus comprises a feed unit disposed over a stack of sheets for causing a conveyance force upon the uppermost of the stack thereby to feed the uppermost sheet from the st... | 06/21/1994 |
| 5316282 | Sheet feeding and separating device for image forming equipment A sheet feeding and separting device incorporated in image forming equipment for feeding sheets one by one from a sheet stack while preventing two or more sheets from being fed together as far as possible and, when a plurality of sheets are accidentally f... | 05/31/1994 |
| 5255904 | Feeder or image forming apparatus A feeder of an image forming apparatus which includes a storing device for storing a stack of recording mediums and an endless belt to be used in the conveyance of a recording medium to an image forming section of the apparatus. A speed control device is ... | 10/26/1993 |
| 5224693 | Multistage paper feeding/conveying apparatus and method that uses electro static forces A multistage paper feeding/conveying apparatus has a plurality of recording paper storing devices vertically arranged at multiple stages; a paper feeder for feeding a sheet of recording paper one by one from arbitrary one of the recording paper storing de... | 07/06/1993 |
| 5205702 | Device for introducing rolled-steel sections into a cold shear Apparatus for introducing rolled steel into the entrance of a processing machine such as a cold shear or straightening machine including a roller path for carrying the steel sections at a speed of transport in a direction of transport toward one of the sh... | 04/27/1993 |
| 5176374 | Paper transporting device for image forming equipment A device incorporated in image forming equipment for transporting a paper sheet fed from any one of a plurality of vertically spaced paper feeding sections along a vertically extending common transport path. The common transport path is defined by an endl... | 01/05/1993 |
| 5060924 | Device for picking up one piece of cloth from a stack of cloth pieces This invention relates to a device for picking up one piece of cloth (1) from a stack (2) of cloth pieces. In order that a piece of cloth could be picked up reliably irrespective of the kind of the cloth to be picked up, the device comprises a sticker mem... | 10/29/1991 |
| 5018939 | Apparatus for separating iron sheets An apparatus for separating piled iron sheets one by one has a plurality of magnets arranged vertically with the same magnetic poles thereof facing each other. Magnetic fluxes generated from the magnets react with each other at a position between the magn... | 05/28/1991 |
| 5003325 | Electric field paper stabilizing system for an electrographic plotter, printer or the like An electric field paper stabilizing system for an electrographic plotter, printer, or the like includes a continuous transport belt for passing a recording medium in substantially a complete revolution past a writing head. The belt is conductive or has a ... | 03/26/1991 |
| 4949950 | Electrostatic sheet transport A system and method of transporting a sheet along a sheet path with electrostatic forces by applying corona charges to the sheet in pulses from high voltage corona generating electrodes in plural arrays extending along at least one side of the sheet path ... | 08/21/1990 |
