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| Number | Title | Issue Date |
| 7548250 | Image-forming element for a printing apparatus with a multiplex circuit for driving the image-forming electrodes An image-forming element for a printing apparatus which includes a support structure with a plurality of electrodes of a first type disposed thereon and an electronic control unit for energizing the electrodes. The image-forming element further includes a plurality ... | 06/16/2009 |
| 7338290 | Printed wiring board with a plurality of pads and a plurality of conductive layers offset from the pads A design rule for a printed wiring board is provided. A conductive layer and a pad are separate from each other in a distance defined by the design rule, which sufficiently prevents the capacitance coupling between the conductive layer and the pad. ... | 03/04/2008 |
| 7328994 | Print engine assembly with slotted chassis A print engine assembly includes an elongate chassis that defines a channel and a slot. A printhead assembly is fast with respect to the chassis and is configured to print upon print media fed through the chassis. A pair of bearing moldings is located within the cha... | 02/12/2008 |
| 7325903 | Quill-jet printer A system for depositing a material is described. The system uses at least one cantilever, and more typically a plurality of cantilever to transfer small amounts of material from a source of material to a substrate surface. One application for the system is a printin... | 02/05/2008 |
| 7222942 | Wiring board for inkjet head, method of polarizing piezoelectric elements, and inkjet recording apparatus The wiring board for an inkjet head electrically connected to a piezoelectric element for discharging ink from the inkjet head and installed with a drive element for applying a drive voltage between an individual electrode of said piezoelectric element and a common ... | 05/29/2007 |
| 7207638 | Varying cue delay circuit An integrated circuit for an ink jet printer includes a state machine with numerous sequenced logic circuits to generate buffered control signals from the tachometer input. A counter counts one of the buffered control signals from the state machine forming a write a... | 04/24/2007 |
| 7207653 | Ink-jet head unit An ink-jet head unit including an ink-jet head having ejection-energy generating elements for generating energies for ejecting an ink from nozzles, and a row of terminals for energizing the ejection-energy generating elements, a flexible wiring board having a wiring... | 04/24/2007 |
| 7183781 | Incorporation of isolation resistor(s) into probes using probe tip spring pins An isolation resistor is incorporated into the plunger of a probe tip spring pin by, for example, doping a ceramic that is used to form the plunger, or forming the plunger of first and second electrically coupled materials, at least a first of which has a resistivit... | 02/27/2007 |
| 7138159 | Method for the deposition of an electrocatalyst layer Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of precursors by ... | 11/21/2006 |
| 7139114 | Bisymmetrical electric paper and a system therefor The presently described embodiments provide electric paper, in one form, that is bisymmetrical, both sides of the paper have the same thicknesses of mylar layers and the same thicknesses and patterns of ITO islands. In another form, a disordered layer of conductive ... | 11/21/2006 |
| 7138354 | Method for the fabrication of an electrocatalyst layer Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of precursors by ... | 11/21/2006 |
| 7098163 | Method of producing membrane electrode assemblies for use in proton exchange membrane and direct methanol fuel cells Compositions and methods for the manufacture of electrodes for fuel cells. The compositions and methods are particularly useful for the manufacture of anodes and cathodes for proton exchange membrane fuel cells, particularly direct methanol fuel cells. The methods c... | 08/29/2006 |
| 7084007 | Fabrication and assembly structures and methods for memory devices The present invention provides for a common substrate with multiple sections, each constituting a separate layer of a memory device. Fold lines are arranged on the substrate to define separate sections and to provide a means for folding the sections on each other to... | 08/01/2006 |
| 7020960 | Systems and methods for fabricating printed circuit boards Systems and methods for plating printed circuit boards. Traces are formed using internal and external layers of a printed circuit board from conductive paths including contact pads to a side edge of the printed circuit board. The traces are connected with a plating ... | 04/04/2006 |
| 7002610 | Image forming apparatus A head device is for writing an electrostatic latent image on an image carrier of an image forming apparatus which is movable in a first direction. In the head device, a plurality of writing electrodes are arrayed on a substrate in a second direction perpendicular t... | 02/21/2006 |
| 6997540 | Substrate for fluid ejection devices A fluid ejection assembly includes a substrate and a plurality of fluid ejection devices each mounted on the substrate. The substrate includes a frame formed of a first material and a body formed of a second material such that the body substantially surrounds the fr... | 02/14/2006 |
| 6778198 | Glass substrate printed wiring board printhead for electric paper A glass substrate printed wiring board is used as the printhead for electric paper. Printing electrodes are formed at the edge of the glass substrate. Signals are generated by a driver circuit and conducted by traces to the electrodes to generate an electric field t... | 08/17/2004 |
| 6476835 | Coplanar thin film printhead A method and apparatus relating to a unique printhead configuration is disclosed. The printhead configuration is based on a coplanar arrangement of two sets of electrodes. The electrodes are electrically separated from each other by a dielectric layer, an... | 11/05/2002 |
| 6008833 | Light-emitting device and image forming apparatus using the same A light-emitting device includes a number of light-emitting element groups each including a plurality of light-emitting elements, a first drive device for driving the plurality of light-emitting elements in succession, and a number of resistance sections,... | 12/28/1999 |
| 5933178 | Multi-stylus head and process for producing the same Odd- and even-numbered conductors of recording electrodes, for example, first or second recording electrodes, are divided in the direction in which the conductor at the time of winding are stacked up to form different layers so as to increase the distance... | 08/03/1999 |
| 5787327 | Charging device for image forming apparatus This invention relates to the charging member portion of an image forming apparatus. A plurality of charging members are disclosed that maintain a uniform spacing between a charge-receiving member and the discharging portion of the charging members' elect... | 07/28/1998 |
| 5774159 | Direct printing method utilizing continuous deflection and a device for accomplishing the method An apparatus and method provide direct electrostatic printing onto an information carrier. Computer-generated electronic signals define an image and are converted to a pattern of electrostatic fields to selectively control the deposition of charged toner ... | 06/30/1998 |
| 5530690 | Multi-needle recording head and method of manufacturing the same A multi-needle recording head has retaining members within an electrode support block, each retaining member serving to retain a recording electrode wire. The retaining members can not only lessen a stress generated by the hardening and contracting of a r... | 06/25/1996 |
| 5489934 | Printed wire recording transducer for electrostatic printing/plotting applications A printed wire electrostatic printing transducer having two or more rows of styli together defining the recording stylus configuration and an associated method for producing such a transducer by printed circuit techniques. Provision is made for the integr... | 02/06/1996 |
| 5483269 | Process for the preparation of an image forming element and related printing device An image-forming element including a cylinder having at its outer periphery a dielectric surface layer and, beneath the surface layer, a number of electrodes insulated from one another, the electrodes being connected to elements within the cylinder for se... | 01/09/1996 |
| 5477251 | Method of forming developer through-holes in a print head This invention is directed to a method of forming developer through-holes in a print head which has a plurality of first electrodes and a plurality of second electrodes arranged in matrix with an insulating layer sandwiched therebetween. A main portion of... | 12/19/1995 |
| 5404155 | Image forming apparatus having an aperture electrode with controlled image potential The pulse width modulation circuit in the image forming apparatus of the invention comprises a discriminate circuit, an on-time control circuit, and an amplification circuit. The discriminate circuit determines whether an imaging potential or a non-imagin... | 04/04/1995 |
| 5274401 | Electrostatic printhead In a printhead for electrostatic printers, the styli of the printhead are formed on a monolithic substrate, such as a printed circuit board. Each stylus has its own driver circuit incorporated into one or more integrated circuit die which are mounted dire... | 12/28/1993 |
| 5237346 | Integrated thin film transistor electrographic writing head An integrated thin film electrographic writing head. The writing head has integrated therein a plurality of marking electrodes or nibs arranged in a linear array for writing onto a medium, and a plurality of high voltage driving circuits for driving the n... | 08/17/1993 |
| 5181050 | Method of fabricating an integrated thick film electrostatic writing head incorporating in-line-resistors An improved electrographic writing head employs interleaved arrays of writing nibs and small geometry, high impedance, thick film resistors and semiconductor driver circuits fabricated on a glass epoxy substrate. The writing head achieves significant savi... | 01/19/1993 |
| 5159472 | Image forming apparatus using solid image-pickup element An image forming apparatus comprising a solid image-pickup device having a number of photoelectric conversion elements each for converting an image light incident thereto into an electrical signal representing an amount of the incident image light, and a ... | 10/27/1992 |
| 5148595 | Method of making laminated electrostatic printhead In a printhead for an electrostatic printer, the printhead styli are formed on a monolithic substrate, such as a printed circuit board material. Each stylus has its own driver circuit incorporated into one or more integrated circuit die which are mounted ... | 09/22/1992 |
| 5150134 | Counter electrode for an electrostatic recorder An electrostatic recorder for applying electrical charges, in image configuration, upon a movable image recording member, the recorder including a stylus electrode array and a counter electrode array which electrode arrays are aligned with one another on ... | 09/22/1992 |
| 5128697 | Integrated thick film electrostatic writing head incorporating in-line-resistors and method of fabricating same An improved electrographic writing head employs interleaved arrays of writing nibs and small geometry, high impedance, thick film resistors and semiconductor driver circuits fabricated on a glass epoxy substrate. The writing head achieves significant savi... | 07/07/1992 |
| 5107283 | Electrostatic recording head with improved alignment of recording electrodes The present invention is directed to an electrostatic recording head comprising an electrode substrate made of an insulating material, a plurality of parallel recording electrodes made of a conductive material and formed on at least one of the side surfac... | 04/21/1992 |
| 5079572 | Electrostatic recording head and method of making the same A recording head for electrostatic recording comprises an electrode substrate formed by bonding together by a bonding agent a pair of substantially planar sub-substrates of an electrical insulating material, each of which is formed on its one surface with... | 01/07/1992 |
| 5030975 | Charge transfer imaging cartridge A cartridge for use in charge transfer imaging comprising a flexible dielectric substrate carrying sets of driver electrodes and finger electrodes, the electrodes being separated by a dielectric layer. The respective electrodes extend in different directi... | 07/09/1991 |
| 4977416 | Integrated thick film electrostatic writing head An improved electrographic writing head employs interleaved arrays of writing nibs and small geometry, high impedance, thick film resistors and semiconductor driver circuits fabricated on separate glass epoxy substrates disposed in adjacent back to back r... | 12/11/1990 |
| 4975719 | Multi-stylus recording head manufacturing method and apparatus In manufacturing a multi-stylus recording head in the head surface of which the ends of MxN recording electrodes are exposed (N groups each having M electrode wires), a wire aligning drum having MxN wire positioning grooves, wire directing section and M w... | 12/04/1990 |
| 4920363 | Method of manufacturing electrostatic printer heads The method of manufacturing an electrostatic printhead or the like. Conductive surfaces are applied to both sides of an insulating substrate. Unneeded portions of the conductive surface are etched away by a photolithographic process to form conductive lay... | 04/24/1990 |
