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7599643 |
Image forming apparatus having electrode cleaning member
An image forming apparatus includes a corona discharger including: a stylus electrode; and a cleaning member capable of slidably moving along a longitudinal direction of the stylus electrode in the...
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7549879 |
Modular snap-together electrical and air connector
This is a modular connector used to supply electricity and air to a corona assembly. The connector has an electrical component removably positioned on an air component. When one of these components...
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7504628 |
Nanoscale corona discharge electrode
An electrode for atmospheric corona discharge apparatus provide a passive conductor whose surface is decorated with nanostructures such as carbon nanotubes. The nanotubes provide for a lower corona...
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7462824 |
Combined ambient desorption and ionization source for mass spectrometry
Combined desorption and ionization sources are provided to generate molecular ions form a sample disposed on a substrate surface. A heated gas-jet probe or heated solvent stream probe desorbs...
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7432504 |
Dicorotron wire assembly removal and storage tool
A system and apparatus that removes and collects non-functional wire assemblies from dicorotron units is described. It has a removal tool mounted on the top of a storage box. The removal tool has...
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7420169 |
Dicorotron wire assembly removal-insertion tool
Electrostatic printing processes utilize corona-charging units. When those units wear out or become faulty, they need to be replaced. This embodiment provides a tool that can be used to remove a...
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7388195 |
Apparatus and systems for processing samples for analysis via ion mobility spectrometry
The invention provides an interface assembly for delivering an ionized analyte from an ionization apparatus into an ion mobility spectrometer. This allows analysis of biological and non-biological...
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7342227 |
Coating for the breakdown of corona effluents
A plasma sprayed TiO 2 coating is used to remove effluents produced during an electrical charging step using a corona charging device. The plasma spray allows for the application of TiO 2 ceramic...
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7326926 |
Corona discharge ionization sources for mass spectrometric and ion mobility spectrometric analysis of gas-phase chemical species
A corona discharge mass spectrometer or an ion mobility spectrometer is provided with a robust corona discharge ionization source. The corona discharge ionization source, which can be operated at...
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7295793 |
Electrophotographic reproduction system with a multifaceted charging mechanism
A charging mechanism for an electrophotographic reproduction system has a charger cartridge inserted into a charger sleeve. The charger cartridge has multiple facets, each with a corona charger....
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7264752 |
Conductive coatings for corona generating devices
Conductive coatings usable for coating various elements of corona generating devices and method of forming such coatings are provided. The coatings include graphite and at least one transition...
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7208732 |
Structure for attaching wire assembly to a dicor housing
A dicorotron unit and a wire assembly of a dicorotron unit where a wire electrode is strung between two insulator anchors. The anchors are held in place by flexible grippers. The grippers have...
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7157704 |
Corona discharge electrode and method of operating the same
A method of operating a corona discharge device includes producing a high-intensity electric field in an immediate vicinity of at least one corona electrode and continuously or periodically heating...
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7149458 |
Xerographic charging device having three pin arrays
In a xerographic printing apparatus, a scorotron places a uniform charge on a photoreceptor for forming electrostatic latent images. Three conductive pin arrays are disposed in a housing defined by...
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7136612 |
Connection assembly for a xerographic charging device
A scorotron used in xerography is connected to a voltage source within a printing apparatus through a pin. The pin is anchored in an insulative end block which defines channels therein, each...
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7050743 |
Self-regenerative xerographic coatings
The invention is directed to self-regenerative, polymeric coatings and methods of using the coatings in xerography to increase the life and effectiveness of catalytic surfaces, such as, for...
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6963479 |
Method of and apparatus for electrostatic fluid acceleration control of a fluid flow
A device for handling a fluid includes a corona discharge device and an electric power supply. The corona discharge device includes at least one corona discharge electrode and at least one...
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6952548 |
Charging apparatus with auxiliary member and image forming apparatus having the charging apparatus
A charging apparatus has a discharging member with a plurality of protrusions and an auxiliary member for assisting discharges by the discharging member, and an insulating member formed among the...
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6920297 |
Image forming apparatus that cleans a wire of a charger
An image forming apparatus wherein a wire of a charger is cleaned while a process unit is attached to or removed from a casing. A cleaning unit pinches the wire of the charger therein slidably, and...
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6917776 |
Discharge wire, method of manufacturing discharge wire and electrification device
A discharge wire usable in an electrification device includes a tungsten wire subjected to mirror finish processing and an oxidized layer formed by heating the surface of the tungsten wire at a...
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6900436 |
Corona wire tensioning mechanism
A wire tensioning mechanism for tensioning a wire having an end one and an end two in a machine in which the wire has a means for attachment on end two and is fixed to the machine at end one,...
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6894279 |
Narrow web corona treater
A corona discharge device is adapted to be used in conjunction with a printing press. The device includes a cabinet housing an on-board power supply associated with a high voltage transformer. A...
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6884997 |
Method and apparatus for detecting dangerous substances and substances of interest
A dangerous substance detecting apparatus comprises an oven for accommodating a wiping member stuck with a sample derived from a dangerous substance, a light source for emitting infrared rays for...
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6823157 |
Charging device having curved grid
A corona generating device, includes a conductor; a grid having a curved surface; and a frame for supporting the grid.
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6795670 |
Discorotron charging device
In a high speed color printer wherein color images are produced by superposing a developed image atop another developed image, the improvement including a charging system for charging a surface,...
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6787774 |
Corotron comprising a fixing elements on supports, an assembly with a power supply unit and an assembly for replacing a corotron wire
The corotron wire of a corotron device is introduced with a retainer element, such as in a printer or copier. At least one corotron wire is held by the retainer element and the carrier material for...
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6781136 |
Negative ion emitting method and apparatus therefor
A negative ion emitting method and an apparatus therefor capable of emitting negative ions with increased efficiency without generating ozone and positive ions while being simplified in structure....
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6777959 |
Method of determining a resistive current
A xerographic charging device corona current is determined by forming a first signal across a sense resistor in series with the charging device power supply, forming a second signal using a...
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6740878 |
System and method for automatically tensioning wires and for retaining tensioned wires under tension
A wire tensioning apparatus and method tensions one or more wires by moving the tensioning function from a wire module to an apparatus external to the wire module. Within the wire module, the wire...
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6735830 |
Ion generating device
The invention relates to apparatus for generating ions in a gaseous medium, the apparatus comprising one or more needles ( 40 ) each presenting a shank ( 40.1 ) and an emitter end ( 40.2 ), a...
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6653638 |
Ion generating apparatus
In an ion generating apparatus, an electric field for generating ion is obtained between an electrode needle 3 and a counter electrode plate 4. A surface discharge path A (passing through an...
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6640065 |
Electrostatic charging device
An electrostatic charging device is provided according to which an edged electrode plate can be inserted into and removed from the charging device easily merely by sliding the edged electrode...
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6624413 |
Corona treatment apparatus with segmented electrode
A corona treating apparatus has an electrically conductive electrode housing with a downwardly opening channel, within which are adjustably positioned a number of conductive electrode segments....
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6603121 |
High-efficiency plasma treatment of paper
An apparatus for treating paper web materials with a plasma, said apparatus comprising a dark space generated by a treatment electrode in a treatment zone. There is a counter electrode having a...
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6580885 |
Automatic mechanism for cleaning corona wires
A mechanism for automatically cleaning the surface of a corona wire within a corona charger is described, wherein the a cleaning assembly includes a cleaning pad mounted within a pad holder, the...
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6553198 |
Single piece control grid electrode for a corona charger
A single piece control grid electrode for a corona charging device for charging a curvilinear shaped dielectric support member with improved charging uniformity and consistency and with lower...
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6512906 |
Mechanism for fastening thin corotron wires and method for generating a corotron discharge
A mechanism and a method for generating a corona discharge by a wire-shaped corona discharge electrode provides that the corona discharge electrode is stretched between two end blocks that...
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6493529 |
Charging device with walls surrounding the electrodes which reduce ozone emissions
A charging device which charges a body to be charged. At least a pair of linear electrodes is provided on a substrate so as to be close to each other. Walls are provided near the linear electrodes....
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6459870 |
Corona cartridge for charging photoreceptors in high-speed electrophotographic applications
A corona cartridge for charging a photoreceptor in high-speed electrophotographic applications may include a comb-like corona charging device electronically connected to operate with the...
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6429595 |
Multi-mode treater with internal air cooling system
A treater system includes a conductive roller electrode that supports a moving web that is to be treated. One or more active electrode assemblies mounted to support headers have a pair of active...
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6407382 |
Discharge ionization source
A discharge ionization source, for use for example with an ion mobility spectrometer or atmospheric pressure ionization mass spectrometry. The source uses two or more electrodes for ionization and...
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6373680 |
Method and device for ion generation
A method of high efficiency generation of ions of desired polarity, which includes the steps of positioning a first electrode at a predetermined spacing from a second electrode having a closed...
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6349024 |
DC biased AC corona charging
In one corona charging arrangement described in the specification, a coronode supplied with AC voltage is contacted by an insulating member in the form of a mesh of insulating filaments or an...
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6320190 |
Air shield for a particle detection system
A shield for a detector or prism of a particle detection system has a body mountable on the detector or prism, divided into first and second compartments by an intermediate wall with a hole...
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6303933 |
Apparatus and method of attaching corona wire to corona charger housing
An apparatus comprising: (i) a corona charger housing including at least two cavities; (ii) a corona wire strung across the housing, the corona wire having at least one end located in one of the...
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6298204 |
Corona Charger with integral latch member for locating the charger relative to a roller
A corona charger and integral latch member device includes a corona charger having a longitudinally ending wall and a corona generating electrode extending generally parallel with the...
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6294782 |
Corona charger with a serpentine strung corona wire
An apparatus for a corona wire housing comprising a continuous piece of corona wire mounted in a serpentine fashion around multiple pulleys with a single tension spring tensioning the continuous...
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6285032 |
Device for removing the gaseous laminar boundary layer of a web
A device for removing the gaseous laminar boundary layer from at least one of the two sides of a material web moved in transport direction preferably at high speed, for example said web being made...
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6255649 |
Charging device with grid tensioning shafts
A charging device comprises a housing defining a charging chamber. Two tensioning shafts are mounted on opposite ends of the housing. The charging device comprises a control grid attached to the...
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6246852 |
Grid electrode for corona charger
A grid electrode for attachment to a corona charger includes a series of substantially parallel grid wires extending in a longitudinal direction of the wires. A flat metallic plate member is formed...
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