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| Number | Title | Issue Date |
| 7356287 | Ink developer foil In one implementation, an apparatus includes a foil that is adjacent to a portion of an ink developer electrode. The foil at least partially limits an accumulation of splashed ink along one or more portions of the ink developer electrode. ... | 04/08/2008 |
| 6766131 | Liquid electrophotographic developing apparatus using air pressure to hold liquid developer therewithin A liquid electrophotographic developing apparatus including a developing unit with an elongated opening disposed adjacent to a photoreceptor and an air duct provided around the elongated opening. The air flow in the air duct has a predetermined air pressure to hold ... | 07/20/2004 |
| 6687477 | Toner recycle control system of electrophotographing device using viscous liquid developing solution The present invention provides a toner recycling control system which stably feeds a liquid developer of an appropriate concentration to a liquid developing apparatus employing a high-viscosity liquid developer; appropriately adjusts the concentration of ... | 02/03/2004 |
| 6256460 | Detecting device and processing device An automatic developing apparatus is provided with a developing tank, a reserve tank, a pump, a piping which connects the reserve tank and the pump and whose one end is disposed above the developing tank, a first electrode provided in the piping, a second... | 07/03/2001 |
| 6011943 | Ink delivery system for liquid electrophotographic printer An ink delivery system for a liquid electrophotographic printer is provided. The system includes a circulation tank connected to the development unit and in which the developer liquid to be supplied to the development unit is stored, a jet portion dispose... | 01/04/2000 |
| 5960231 | Variable thickness concentrate sense window A concentrate sense window which defines a variable thickness flow path area is provided for sensing the concentration levels of inks having varying levels of luminance. Sensor window panels are configured in relationship to each other such that an area d... | 09/28/1999 |
| 5926668 | Developer supply method of wet electrographic printer A wet electrographic printer has (1) a reservoir for supplying a developer obtained by mixing a liquid carrier with an ink to a developing unit, (2) a carrier cartridge for supplying the liquid carrier to the reservoir, (3) an ink cartridge for supplying ... | 07/20/1999 |
| 5701561 | Method and apparatus for applying liquid toner to a print medium using multiple toner applicators for each liquid toner A toner station for use in single-pass or multi-pass electrostatic printers includes two or more toner applicators for each color, thereby increasing the printing speed without degrading print quality.... | 12/23/1997 |
| 5291250 | Liquid-type developing apparatus including developing head having hermetic structure In a liquid-type developing apparatus of this invention, a developing head has a hollow portion having a slit-shaped opening having as a longitudinal direction a direction perpendicular to the convey direction of a recording sheet, and a partitioning wall... | 03/01/1994 |
| 5289239 | Integrated air knife toner applicator In electrostatic liquid toning, an apparatus for removing excess liquid toner from a recording medium using an air knife integrated with a toner applicator into a single mechanical structure. The toner applicator contains a toning channel and an air chann... | 02/22/1994 |
| 5268721 | Positive air pressure toner confining applicator A method and apparatus for applying liquid toner to a recording medium using a toner applicator, wherein the applicator contains a channel for toner flow peripherally surrounded by an air channel. The recording medium carrying a latent electrostatic image... | 12/07/1993 |
| 4883018 | Liquid ink development system An apparatus which develops a latent image recorded on a generally planar photoconductive member moving in a direction at least partially inclined with respect to the gravitational force exerted thereon. The latent image is developed with a liquid develop... | 11/28/1989 |
| 4827309 | Liquid developing apparatus with a plurality of fountain and discharge slits A developing head is provided under a latent image carrier in the form of a rotating drum or a horizontally moving plate. The developing head includes a plurality of fountain slits and discharge slits arranged alternately in parallel to each other and ext... | 05/02/1989 |
| 4768061 | Device for the development of a latent electrostatic image, apparatus for producing prints by electrophotographic means and method for developing a latent electrostatic image A device is described for developing a latent electrostatic image which is present on a surface, for example a photoconductor surface. The device has one or more regions of a first type having relatively large dimensions and one or more regions of a secon... | 08/30/1988 |
| 4563080 | Electrophotographic liquid developing apparatus and method A method of applying liquid toner to a predetermined part (4,5) of an electrophotographic film (1) is disclosed. The film is supported at a predetermined distance from an electrode (25) having a toner supply orifice (7). A predetermined quantity of liquid... | 01/07/1986 |
| 4545326 | Liquid toner applicator A liquid toner applicator includes a hollow housing or manifold divided into two channels. A wall of the housing common to both channels is composed of a multi-layer lamination of thin sheet layers, such as etched metal foils. The outermost wall layer con... | 10/08/1985 |
| 4480907 | Apparatus for the liquid processing of a surface of a material in the form of a sheet, a web or a plate An apparatus is described for the liquid processing of a surface of a moving sheet, web or plate. Processing liquid is supplied to the surface via a plurality of elongated discharge orifices extending across the width of said moving sheet or web in an obl... | 11/06/1984 |
| 4398818 | Liquid toner fountain for the development of electrostatic images The components of the apparatus include multiple distribution plates with lateral liquid distribution to produce smooth streamline flow, a slotted metalized plastic electrode, and a funnel-shaped understructure which drains excess toner liquid into a sump... | 08/16/1983 |
| 4289092 | Liquid development fountain A liquid development fountain having plural spaced slots in its upper surface against which a record bearing material is passed and through which developer is moved in a sinuous path to repetitively contact the record member through the slots.... | 09/15/1981 |
| 4240084 | Electrographic recorder with writing, developing and driving assembly An electrographic recorder including a unitary writing, developing and driving assembly comprising a precisely machined frame member to which is secured in accurate alignment a writing head positioning block, a developing fountain and a drive motor and ro... | 12/16/1980 |
| 4198923 | Toning apparatus for electrostatic printing and plotting machines A toner head is disclosed for applying liquid toner to a moving record medium having a latent electrostatic image thereon, in which the contact surface of the head is curved in a cylindrical form to ensure proper engagement of the record medium during ton... | 04/22/1980 |
| 4179210 | Apparatus for developing latent electrostatic images Apparatus for developing latent electrostatic images on dielectric carrier sheets has a rotary cylinder whose periphery supports a carrier sheet with a latent image thereon, and a metallic block having a concave surface which constitutes a grounded electr... | 12/18/1979 |
| 4173945 | Electrostatic printing machine with improved web-developing system An electrostatic printing machine of the type having means for applying fluid toner material to a surface of a web of print material includes a toner fountain and pump for pumping toner into the fountain from a body of toner. A vacuum channel member exten... | 11/13/1979 |
| 4172430 | Recording medium alignment guide for an electrostatic recorder A recording medium alignment guide at the development station automatically seats and adjusts for proper tolerances relative to the developer fountain assembly to properly guide the recording medium from the recording station through the development stati... | 10/30/1979 |
| 4146324 | Liquid developing device in electrophotographic copying apparatus In an electrophotographic copying apparatus of the liquid development and transfer type, a liquid developing device includes a photosensitive drum, an arcuate developing electrode disposed below the photosensitive drum in opposed relationship therewith, a... | 03/27/1979 |
| 4044718 | Electrostatic fountain developer A fountain for moving liquid toner into engagement with a receptor for developing an electrostatic image into a visible image. A fountain for providing improved edge enhancement in an image, and incorporating an electrode positioned at the bottom of a liq... | 08/30/1977 |
| 3937177 | Electrostatic printing machine with improved toner fountain and recovery system An improved toner fountain and recovery system for an electrostatic printing machine includes a fountain and supply arrangement for applying fluid toner material to a surface of a web of print material passing across the fountain and a vacuum-operated rec... | 02/10/1976 |
