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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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7199374 |
Corona discharge lamps
Excimers are formed in a gas ( 30,130 ) by applying a pulsed potential between a first electrode ( 14,114 ) and a counter electrode ( 26, 126 ) so that corona discharge occurs, substantially...
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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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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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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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6819893 |
Image forming apparatus and charging device
An image forming apparatus uses a developer that includes toner with volume average particle size between 5 μm and 10 μm and 60 to 80 number percentage particles having a particle size less than...
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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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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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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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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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6477343 |
Image forming method and apparatus with means for reducing the accumulation of particle on a charging device
An image forming method and apparatus, wherein the charging amount that a charging device charges a photosensitive drum is controlled so as to reduce the charging amount in a period, except for the...
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6411794 |
Discharge device and image forming apparatus
A discharge device has a discharge wire for discharge in response to a voltage, a supporting block for supporting the discharge wire, an electric contact receiving an AC voltage, and a resistor...
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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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6308032 |
Rotatable charging apparatus, and printing machine including the same
A rotatable charging apparatus includes a length extending between a first end and a second end, with the rotatable charging apparatus centered about an axis parallel to the length. The rotatable...
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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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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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6034368 |
AC corona current regulation
In an electrostatographic imaging apparatus employing at least one charging device, in an electrostatic charge process involving the creation of latent electrostatic images, A method for...
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6025594 |
Support mounting for a pin array corona generating device
A support mounting supports the corona generating electrode of a corona generating device. A corona generating assembly includes a corona generating electrode member having an elongated length...
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5970287 |
Charging device for charging charged body in non-contact state
A low-cost non-contact type charging device having excellent uniform charging performance and long stable charging characteristic includes an insulating support body having an insulating surface,...
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5909608 |
Tension support mounting for a corona generating device
A tension support mounting for applying tension to the corona generating electrode of a corona generating device. A corona generating electrode is placed in cooperative engagement with a fixedly...
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5907753 |
Charging device having an electrode with integral electrical connector
A charging apparatus for applying a uniform electrostatic charge to a charge retentive surface is provided. The charging apparatus is operably electrically connectable to a power supply for...
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5907155 |
Constant DC offset coronode voltage tracking circuit
An apparatus for maintaining a substantially consistent current to voltage relationship in a corona charging device having an electrode energized by an AC voltage biased by a first DC offset...
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5897238 |
Method of setting position of a corona charger
A setup method for a corona charger device used in an electrophotographic recording apparatus. The setup method includes operating the corona charger device in a calibration mode so that charge of...
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5686732 |
X-ray apparatus comprising a photoconductor and a charging device
An apparatus, including a photoconductor (1) for converting X-rays into a charge pattern, and a controllable charging device (3, 9) for charging the surface of the photoconductor to a defined...
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5666605 |
Charging unit
A corona-discharging type charging device for charging a photoreceptor includes saw tooth-shaped electrodes facing the photoreceptor; side plates applied with a DC bias voltage Vs and provided on...
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5659176 |
Scanning corotron
A charging apparatus for modulating the distribution of available charge to a charge retentive surface. The charging apparatus includes a coronode wire positioned a predetermined distance away from...
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RE35581 |
Charging device
A charging device for contact-charging a member to be charged. A charging device for charging a movable member to be charged includes a contacting member adapted to contacting the member to be...
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5655186 |
Light blocking ion charging apparatus
A charging apparatus that prevents fogging due to light generated by a corona source. The charging apparatus includes two offset reference electrodes lying in separate horizontal planes or a light...
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5627376 |
Wire corona charging apparatus
An improved wire corona charging apparatus and processes for treating webs and films, to improve surface wettability characteristics and other surface properties, and to create permanently charged...
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5587584 |
Apparatus for charging a film on the internal surface of a drum
A scorotron charging unit for charging Verde film residing on the inner surface of an imagesetter drum has a charging region that encompasses a 270° sector of the drum. The scorotron is fashioned...
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5485255 |
Automatic cleaning mechanism for a corona charger using cleaning pad
A mechanism for automatically cleaning the corona wires and charge control grid of a corona charger. The simplified cleaning mechanism comprises a cleaning pad assembly having opposed substantially...
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5464572 |
Device for humidifying and ionizing air
A device for humidifying and ionizing air includes a first chamber for humidifying the air, a second chamber, which is separate from the first chamber, for ionizing the air, and means for...
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5440375 |
Corona discharger displacing mechanism and grid electrode positioning mechanism
The present invention relates to a corona discharger displacing mechanism and a grid electrode positioning mechanism which are used for a unit of an image forming section in an image forming...
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5416564 |
Xerographic process control using developer to photoreceptor current sensing for grid voltage adjust
An image processing apparatus having a corona device for charging a photoreceptor to voltage levels, a developer for applying toner to the photoreceptor including a sensor for providing signals in...
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5416563 |
Xerographic process control by adjusting photoreceptor voltages by photoreceptor segments
An image processing apparatus having a corona device with a charging grid for charging a photoreceptor to voltage levels, a developer for applying toner to the photoreceptor, and a corona control...
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5412213 |
Charger for performing a corona discharge
A charger performs corona discharge by applying a voltage to a discharging electrode. The charger includes an electrode plate formed in the shape of a panel on the discharging electrode, a...
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5412212 |
Corona-charging apparatus and method
A method and apparatus for corona-charging a charge-receiving member having image frames used in recording, such as in electrostatographic recording. In the method and apparatus there is...
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5392099 |
Image forming apparatus having cleaning member for cleaning charging wire
An image forming apparatus includes a charger for charging a photosensitive drum, the charger having a charging wire extending in a lengthwise direction of the photosensitive drum, an optical...
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5381214 |
Electrophotographic charging device
A charging member for charging a photosensitive member from above toner in an electrophotographic process in which charging, exposure, development, and transfer steps are performed repeatedly and...
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5357322 |
Charger
A charging device for charging a moving member to be charged includes a charging member for contact with the member to be charged to which a voltage is applied; wherein the charging member has a...
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5335050 |
Adjustable support assembly
An adjustable support assembly for adjustably supporting a corona generating device at a selected distance from a photoreceptive surface, wherein a fixedly mounted support bracket and an adjustable...
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5295039 |
Method of applying single polar electro-static charges to continuously travelling long web support, and apparatus practicing same
A charging apparatus for applying single polar electrostatic charges to a surface of a continuously travelling long web support before coating the support with a coating composition comprises a...
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5278409 |
Electrode assembly positioning apparatus
An apparatus for positioning the electrode assembly of a corona treater includes a rotatable cylinder to which the electrode assembly is attached. A counterweight is disposed on the cylinder...
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5200620 |
Electrostatic fiber spreader including a corona discharge device
A fiber spreader is provided which reduces fiber damage that occurs during preading. The fiber spreader includes a thin electrically grounded support sheet for supporting a layer of fibers on one...
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5182605 |
Xerographic printing machine with an improved transfer unit
A xerographic printing machine with at least two rollers disposed so that their axes are arranged parallel to each other. An endless belt, supported by the rollers, has a volume resistance within...
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5132188 |
Method for charging a concave surface of a CRT faceplate panel
A method of electrophotographically manufacturing a luminescent screen on an interior concave surface of a CRT faceplate panel having a major axis with a first center of curvature and a minor axis...
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