Matches 1 - 50 out of 579 1 2 3 4 5 6 7 8 9 10 11 12 >
Match Document Document Title
7453625 Method of producing domain inversion parts and optical devices  
A comb electrode 3 is provided on a first main face 2 a and a uniform electrode 4 is provided on a second main face 2 b of a substrate made of a ferroelectric single crystal of a single...
7446930 Method of inverting polarization by controlling defect density or degree of order of lattice points  
A problem to be solved is to provide a method of forming domain inverted regions of short period in a ferroelectric single crystal in a controllable time period of application of voltage and an...
7439712 Energy collection  
An energy collection system may collect and use the energy generated by an electric field. Collection fibers are suspended from a support wire system supported by poles. The support wire system is...
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...
7266469 Method and article of manufacture for determining a rate of change of orientation of a plurality of fibers disposed in a fluid  
A method and an article of manufacture for determining a rate of change of orientation of a plurality of fibers disposed in a fluid are provided. The method includes determining a first tensor...
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...
7227735 Current regulated, voltage limited, AC power supply with DC offset for corona chargers  
An apparatus and method for powering opposing corona chargers for discharging moving receiver sheets. The discharging capacity of the chargers is expanded by adding a high voltage DC offset to a...
7224567 Structural arrangements for ion generator to promote ionization efficiency  
An ionization electrode consists of a plate-like positive pole ( 31 a ) formed with plural pointed ends ( 31 b ) on its outer edge, and a spheric negative pole ( 32 a ) opposing a flat surface of...
7170734 Air ionization device  
The invention relates to an air ionization device comprising a high voltage line which can be connected to an AC voltage power source and point electrodes which are coupled capacitively to the high...
7144525 Elastic member of semiconductive polymer and OA equipment using the same  
An elastic member of a semiconductive polymer comprising a conductive composition containing a conductive polymer and binder polymer, wherein the elastic member satisfies both characteristics of...
7112263 Polarization inversion method for ferroelectric substances  
A pattern electrode having a predetermined pattern and a connecting electrode connected to the pattern electrode are formed on one surface of a single-polarized ferroelectric substance crystal. An...
7103304 Electrically conductive member, unit for cleaning image holding member, process cartridge and image forming apparatus  
The present invention provides an electrically conductive member including a core and a resin layer provided on an outer peripheral surface of the core, wherein the resin layer is made of a resin...
7064950 Circuit device comprising multiple polarization-graded ferroelectric elements and method of using  
A circuit device that make use of graded ferroelectric structures and techniques by which such structures can be excited by external and internal stimuli to render the device useful for a variety...
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...
7046943 Image forming apparatus and charging device therefor receiving AC and DC voltages  
A charging device includes a charge roller adjoining or contacting the surface of a photoconductive element. A DC and an AC voltage source output a DC and an AC voltage, which are applied to the...
6963709 Charging apparatus having auxiliary charger rubbing against image bearing member  
A charging apparatus has a movable image bearing member, a first charging member for charging the image bearing member, and a second charging member provided upstream of the first charging member...
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...
6954600 Electric contact member applying voltage to charger, process cartridge, and image forming apparatus  
The present invention relates to an electric contact member applying a voltage from a voltage applying device to a charger reciprocally moving in a longitudinal direction of an image carrier. The...
6926961 Nonwoven blend with electret fiber  
The present invention relates to a blend of 15-97 weight percent electret fibers and 3-85 percent by weight dissimilar non-electret fibers using dry laid blending technique. The electret fibers...
6925275 Image forming apparatus and charging device therefor  
A charging device of the present invention includes a charge roller adjoining or contacting the surface of a photoconductive element. A DC and an AC voltage source output a DC and an AC voltage,...
6920032 Method for energy extraction—II  
In some embodiments, the illustrative method defines an engine cycle comprising several state changes that allow for a net gain of energy from an underlying source force field. The potential for a...
6891176 Planar electron emitter with extended lifetime and system using same  
Metal-insulator-metal planar electron emitters (PEES) have potential for use in advanced lithography for future generations of semiconductor devices. The PEE has, however, a limited lifetime, which...
6850403 Air ionizer and method  
Apparatus and method for generating and controlling flows of positive and negative air ions includes interposing isolated sets of electrodes in a flowing air stream to separately produce positive...
6847797 Charging apparatus having auxiliary charger rubbing against image bearing member  
A charging apparatus has a movable image bearing member, a first charging member for charging the image bearing member, and a second charging member provided upstream of the first charging member...
6847796 Charging member and image forming apparatus provided with the same  
A charging member for charging a member to be charged and an image forming apparatus provided with the same have electrically conductive particles and an electrically conductive particle bearing...
6842594 Intermittent DC bias charge roll AC cleaning cycle  
An apparatus for applying an electrical charge to a charge retentive surface, wherein a bias charge roll member is situated proximately to a surface to be charged such as, a photoreceptor. The bias...
6842326 Apparatus for energy extraction-I  
In some embodiments, the illustrative method defines an engine cycle comprising several state changes that allow for a net gain of energy from an underlying source force field. The potential for a...
6822844 Device for electrostatic charging of a multilayer paper web  
A multiple layer web is provided with an electrostatic charge for the purpose of adhering the multiple webs to each other. A pair of oppositely charged rollers contact the surface of the multiple...
6813128 High voltage bias feedback for diagnostic purposes  
A method and apparatus for identifying potential problems within systems having rotating biased components. The system employs diagnostics to the rotating biased components to provide status...
6811883 Self-adhesive display film  
Auto-adhesive display film comprising at least one electrically charged, dielectric layer ( 2 ). A screen layer ( 3 ), which is adapted to form a barrier to the electric field, is fixed to one...
6807389 Bias charge roller with optimally induced AC corona  
An apparatus and process for applying an electrical charge to a photoreceptor wherein a bias charge roll member is situated in contact or in close proximity with a surface of a member to be charged...
6804105 Enriched macromolecular materials having temperature-independent high electrical conductivity and methods of making same  
A polymer material comprising channels whose temperature-independent conductivity exceeds 10 6 S/cm is used to form conductive films. Conduction takes place through threads and channels passing...
6785113 Ozone removable electrode corona generation system  
A manually switchable corona electrode array and method of operation for use in a corona treater station. The preferred embodiment of the present invention contemplates an electrode array which...
6763207 Intermittent DC bias charge roll with DC offset voltage  
An apparatus and process for applying an electrical charge to a photoreceptor wherein a bias charge roll member is situated in contact or in close proximity with a surface of member to be charged...
6741444 Apparatus for charging a substrate and an image forming apparatus comprising an apparatus of this kind  
An apparatus for charging a substrate including a dielectric substrate, a support member having a first end and a second end between which the member extends substantially parallel to the...
6735982 Processing relatively thin glass sheets  
Thin glass sheets may be processed in an effective fashion by electrostatically charging the sheets and applying them to an oppositely electrostatically charged carrier sheet. After processing is...
6728090 Device for placing a charge on an object and a method of retrofitting a conveyor for the device  
A device places a charge on an object passing by and proximate to the device in a first direction along a transport axis. The device includes a body having a surface. A power input is disposed in...
6703094 Charging member, process cartridge and electrophotographic apparatus  
A charging member includes a conductive mandrel, a semiconductive foamed elastic layer provided on the periphery of the mandrel, and a functional double-layer film provided on the periphery of the...
6693788 Air ionizer with static balance control  
Air ionization apparatus includes a plurality of air ionizing electrodes connected to a source of high ionizing voltages, and includes a bias source connected to supply bias voltage to a reference...
6674631 Charging dispenser for a thin web  
A dispenser having a reservoir for holding a web characterized by a web dielectric constant and a charging station for charging the web by tribocharging when the web is removed from the reservoir....
6661637 Apparatus and method to angularly position micro-optical elements  
A micro-opto-electro-mechanical transducer in which an optical element is angularly positioned by electrical field coupling. Movable electrodes of two orthogonally disposed, differential variable...
6647231 Electrically conductive member and image forming apparatus equipped with the same  
The present invention discloses: (1) an electrically conductive member including: a cylindrical base body; and electrically conductive powder sealed inside of the cylindrical base body in a...
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...
6636411 Gas-purged ionizers and methods of achieving static neutralization thereof  
A small quantity of electron attaching gas is introduced into the corona region of an electrical ionizer to stabilize the corona in the otherwise electron non-attaching nitrogen gas. The corona...
6628499 Charging apparatus of printer  
A charging apparatus of a printer for charging a photoreceptor medium to a predetermined electric potential which includes a first electrode and a second electrode separated a predetermined...
6625412 Charging member for charging member to be charged, charging device, and process cartridge  
A charging member for charging a member to be charged includes: an electrically conductive member to which a voltage is applicable; and a coating layer that coats the electrically conductive...
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....
6590759 Device for placing a charge on an object and a method of retrofitting a conveyor for the device  
A device places a charge on an object passing by and proximate to the device in a first direction along a transport axis. The device includes a body having a surface. A power input is disposed in...
6579473 Ethylene propylene rubber foam and image formation equipment  
An ethylene propylene rubber foam which comprises as the crude rubber, an ethylene propylene rubber having an iodine value of 35 to 45 and a Mooney viscosity ML 1+4 at 100° C. of 20 to 50, and...
6577489 Device for electrostatic charging of a multilayer paper web  
A multiple layer paper web is provided with an electrostatic charge for the purpose of adhering the multiple webs to each other. A pair of oppositely charged rollers contact the surface of the...
Matches 1 - 50 out of 579 1 2 3 4 5 6 7 8 9 10 11 12 >