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| Number | Title | Issue Date |
| 7873312 | Transfer apparatus, method of manufacturing the transfer apparatus and image forming apparatus using the transfer apparatus A transfer apparatus comprises a toner image supporting body and a corona transfer means, which are oppositely disposed, and a vibrating unit for exerting vibration force to the rear face of a toner supporting body, disposed opposite to the corona transfer means, wh... | 01/18/2011 |
| 7529512 | Fast decay ultrasonic driver Acoustic Transfer Assist (ATA) systems are used in media printing devices to help transfer toner to paper by use of ultrasonic vibrations. The transducer is driven at its resonant frequency, though somewhat dampened. To shorten the decay time of the transducer when ... | 05/05/2009 |
| 7512367 | Ultrasonic backer for bias transfer systems Embodiments herein comprise a printing apparatus having a media path and a printing engine along the media path. The printing engine comprises a back up roll having an outer surface and an inner surface, a bias roll adjacent the outer surface of the back up roll, a ... | 03/31/2009 |
| 7410742 | Image forming method An image forming method comprising: developing an electrostatic latent image on a latent image carrier with toner to form a toner image, transferring the toner image; and using ultrasonic vibration in the developing step or in the transferring step is disclosed. The... | 08/12/2008 |
| 7361443 | Image forming method An image forming method is disclosed. The method includes steps of forming a toner image on an image forming member, transferring the toner image to an image supporting material, by applying an electric field between the image forming member and the image supporting... | 04/22/2008 |
| 7313552 | Boolean network rule engine A Boolean Network rule engine for evaluation of rules is described that comprises: a rules interface for receiving a set of rules, each rule having at least one condition; a network builder for building a Boolean Network representation of the set of rules including ... | 12/25/2007 |
| 7157873 | Systems and methods for reducing torque disturbance in devices having an endless belt A system for reducing torque disturbance includes a motor mechanically coupled to an endless belt. The motor is operable to drive the belt, and the belt has a seam that causes a torque disturbance to the system. The system includes a data structure having a set of v... | 01/02/2007 |
| 7057330 | Broad frequency band energy scavenger In accordance with one aspect of the present exemplary embodiment, an energy generation device is provided. A base is fixedly secured to a source of mechanical energy of an oscillatory nature. At least one mass is movably suspended relative to the base. First and se... | 06/06/2006 |
| 6947697 | Ultrasonic vibration tool, fixing device, and heating device An ultrasonic vibration tool is made of a block of substantially rectangular parallelepiped form, and has its one end face formed as an output end face, and has its other end face opposite the output end face formed as an input end face. An ultrasonic oscillator is ... | 09/20/2005 |
| 6946916 | Arrangement and a method relating to phase locking The present invention relates to an arrangement for phase locking of a Voltage Controlled Oscillator (VCO) to a selected frequency harmonic among a number of predetermined or available frequencies (harmonics), comprising a reference generator for generating a refere... | 09/20/2005 |
| 6507725 | Sensor and associated method A sensor and associated method is disclosed for detecting presence of a sheet which is being advanced on a photoreceptor of an electrophotographic printing device. The sensor includes a vibratory member which is configured to be positioned in contact with... | 01/14/2003 |
| 6385429 | Resonator having a piezoceramic/polymer composite transducer A resonator for applying vibrational energy to a member, for example a photoreceptor belt or developer/donor member, includes an energy transmitting horn member having a platform portion and a horn portion, the horn portion including a contacting portion ... | 05/07/2002 |
| 6205315 | Tuned transducer, and methods and systems for tuning a transducer A transducer includes a vibratory energy producing element that generates vibratory energy and a waveguide member coupled to the vibratory energy producing element and transmitting the vibratory energy. The waveguide member has a longitudinal axis and is ... | 03/20/2001 |
| 6157804 | Acoustic transfer assist driver system A piezoelectric acoustic transducer, especially for a printer photoreceptor toner transfer assist system, having a mechanical resonance varying over a substantial frequency range, is driven by a driver circuit having an automatically variable frequency el... | 12/05/2000 |
| 5998008 | Developer carrying member, comprising a coat layer containing a conductive particle and a nitrogen-containing heterocyclic compound developing apparatus, developing method, image forming apparatus, and process cartridge A developer carrying member is comprised of a substrate and a coat layer which covers the surface of the substrate. The coat layer contains at least a binder resin, conductive spherical particles having a number average particle diameter of from 0.3 μm t... | 12/07/1999 |
| 5697035 | Cylindrical and rotatable resonating assembly for use in electrostatographic applications A cylindrical and rotatable resonating assembly, generally for use in electrostatographic applications. The resonating assembly is preferably positioned along a longitudinal axis generally transverse to the process direction of movement of a toner bearing... | 12/09/1997 |
| 5568235 | Induction heated intermediate transfer member Intermediate transfer assemblies, and printing machines and methods which use such assemblies, which inductively dry liquid images on an intermediate transfer member. The assemblies include an intermediate transfer member that receives a liquid image whic... | 10/22/1996 |
| 5517291 | Resonator assembly including an adhesive layer having free flowing particulate bead elements An apparatus for enhancing toner release from an image bearing member in an electrostatographic printing machine, including a resonator suitable for generating vibratory energy arranged in line contact with the back side of the image bearing member for un... | 05/14/1996 |
| 5515148 | Resonator assembly including a waveguide member having inactive end segments An apparatus for enhancing toner release from an image bearing member moving in a process direction in an electrostatographic printing machine, including a resonator arranged in line contact with the back side of the image bearing member for applying vibr... | 05/07/1996 |
| 5485258 | Vacuum coupling arrangement for applying vibratory motion to a flexible planar member An apparatus for enhancing transfer of a developed toner image from an image bearing member to a support substrate in an electrostatographic printing machine including a resonator suitable for generating vibratory energy arranged in line contact with the ... | 01/16/1996 |
| 5357324 | Apparatus for applying vibratory motion to a flexible planar member An apparatus for enhancing transfer of a developed toner image from an image bearing member to a support substrate including a resonator suitable for generating vibratory energy arranged in line contact with the back side of the image bearing member for u... | 10/18/1994 |
| 5329341 | Optimized vibratory systems in electrophotographic devices An electrophotographic device for reproducing an image on an imaging member includes: processing elements for forming a toner-developed latent image on a charge retentive surface of the imaging member; a transfer station for transferring toner from the im... | 07/12/1994 |
| 5282005 | Cross process vibrational mode suppression in high frequency vibratory energy producing devices for electrophotographic imaging An electrophotographic device having an imaging member with a charge retentive surface, driven along an endless path through a series of processing stations that create a latent image on the charge retentive surface, develop the image with toner, and brin... | 01/25/1994 |
| 5276484 | Piezo-active photoreceptors and system application A piezo-active charge retentive member, such as a photoreceptor, has a grounded electrode layer separating a photoreceptive layer and a piezo-active layer. External vibration sources become unnecessary since supplying an A.C. voltage across the piezo-acti... | 01/04/1994 |
| 5097295 | Developing apparatus with improved developer return mechanism In order to prevent excessive developer, after regulating the height of the developer on a developing sleeve, from being accumulated on a partition plate even during the time when a developing apparatus is in a non-driven condition, the partition plate is... | 03/17/1992 |
| 5081500 | Method and apparatus for using vibratory energy to reduce transfer deletions in electrophotographic imaging An electrophotographic device includes a flexible belt-type sheet of paper or other transfer member into intimate contact with the charge retentive member, bearing a developed latent image and brings a charge retentive surface at a transfer station for el... | 01/14/1992 |
| 5025291 | Edge effect compensation in high frequency vibratory energy producing devices for electrophotographic imaging For the enhancement of toner release from an imaging surface on a flexible belt member in an electrophotographic device, a resonator suitable for generating vibratory energy is arranged in line contact with the back side of the belt member, to uniformly a... | 06/18/1991 |
| 5010369 | Segmented resonator structure having a uniform response for electrophotographic imaging An electrophotographic device of the type including a flexible belt charge retentive member, driven along an endless path through a series of processing stations that create a latent image on the charge retentive surface, develop the image with toner, and... | 04/23/1991 |
| 5005054 | Frequency sweeping excitation of high frequency vibratory energy producing devices for electrophotographic imaging For the enhancement of toner release from an imaging surface on a flexible belt member in an electrophotographic device a resonator suitable for generating vibratory energy is arranged in line contact with the back side of the belt member, to uniformly ap... | 04/02/1991 |
| 4987456 | Vacuum coupling arrangement for applying vibratory motion to a flexible planar member A resonator suitable for generating vibratory energy is arranged in line contact with the back side of charge retentive member bearing an image on a surface thereof, in an electrophotographic device, to uniformly apply vibratory energy to the charge reten... | 01/22/1991 |
| 4397265 | Particle level sensing apparatus Disclosed is a particle level sensing apparatus which comprises a particle container at least two electrodes disposed at a predetermined position in the container for providing a capacitance therebetween, an element for detecting a change in the capacitan... | 08/09/1983 |
| 3932035 | Apparatus for transferring a toner image A toner image is transferred from a toner substrate to a transfer sheet by bringing the toner substrate and the transfer sheet into face to face contact and applying a vibration thereto, while simultaneously applying pressure and/or an electrical field ac... | 01/13/1976 |
