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Switching mode power supply and driving method

Patent Number: RE44228
Publication Date: 2013-05-21
Inventors: ;

A switching mode power supply includes a switching transistor, coupled to a primary coil at a primary side of a transformer for converting an input DC voltage, supplying power to a secondary and a tertiary coil at a secondary side of the transformer according to an operation of the switching transistor; a switching controller receiving a feedback voltage corresponding to a first voltage generated in the secondary coil and receiving a detection signal corresponding to a current of the ...

Surface-mounted over-current protection device

Patent Number: RE44224
Publication Date: 2013-05-21
Inventor:

A surface-mounted over-current protection device with positive temperature coefficient (PTC) behavior is disclosed. The surface-mounted over-current protection device comprises a first metal foil, a second metal foil corresponding to the first metal foil, a PTC material layer stacked between the first metal foil and the second metal foil, a first metal electrode, a first metal conductor electrically connecting the first metal foil to the first metal electrode, a second metal electrode ...

Impact resistant electronic data module housing

Patent Number: RE44217
Publication Date: 2013-05-14
Inventors: ;

The present invention generally relates to an impact and temperature resistant housing that also resists being removed from its fixed mounting position. Additionally, the present invention resists being fashioned into a weapon if it is removed from its mounted position. In general, the present invention comprises a base section, conical section, terminal support section, and corresponding center ...

Sheet conveying apparatus with inclined surface against which the sheet abuts and image forming apparatus having same

Patent Number: 8447223
Publication Date: 2013-05-21
Inventor:

A sheet conveying apparatus has a reference guide in which a reference surface that is elongated in a sheet conveying direction and abuts against an end portion of a sheet, an inclined surface which is provided upstream of the reference guide and which is inclined in a width direction intersecting with the sheet conveying direction so that an edge of the sheet is guided, the inclined surface intersecting the reference guide at an intersection, a sheet guide portion, a passage portion having ...

Image forming unit with developer collector contacting image carrier at predetermined contact pressure, and image forming device

Patent Number: 8447222
Publication Date: 2013-05-21
Inventor:

An image forming device includes a plurality of image forming units each including a developer carrier that carries developer; an image carrier that forms a developer image on a surface layer with the developer supplied from the developer carrier; and a developer collector that is positioned to contact the surface layer of the image carrier and that removes residual developer after transferring the developer image formed on the surface layer onto a recording sheet. Wherein the developer ...

Fixing device and image forming apparatus incorporating same

Patent Number: 8447221
Publication Date: 2013-05-21
Inventor:

A fixing device includes a fixing belt looped over a heating rotary body and a stationary pad and an anti-slip member contacting an outer circumferential surface of the fixing belt in a lateral end span in an axial direction of the heating rotary body to press the fixing belt against the heating rotary body to prevent slippage of the heating rotary body and the fixing belt. The lateral end span is at each lateral end of the heating rotary body and outboard from a center span in the axial ...

Fixing device and image forming apparatus including same

Patent Number: 8447220
Publication Date: 2013-05-21
Inventors: ; ;

A fixing device includes a contact member provided inside a fixing member and pressed against a pressing member via the fixing member to form a nip between the pressing member and the fixing member through which a recording medium bearing atoner image passes. A sheet heat generator provided in the fixing member includes a flexible heat generation sheet contactable against the fixing member to heat the fixing member. A contact adjuster provided in the fixing member adjusts an area of contact ...

Fixing device and image forming apparatus

Patent Number: 8447219
Publication Date: 2013-05-21
Inventors: ;

A fixing device has a regulating mechanism for maintaining a contact portion of a pressing member in a state in which the contact portion does not contact with a fixing roll through a fixing belt from a second area to a first area or a state in which a pressure is reduced so that the contact portion contacts with the fixing roll when switching from a state in which the contact portion is placed in the second area to a state in which the contact portion is placed in the first area is carried ...

Fixing apparatus

Patent Number: 8447218
Publication Date: 2013-05-21
Inventor:

A fixing roller 3 is provided with a regulating member 40 that moves in an axis direction in contact with a fixing belt 5 that meanders. A heating roller 6 that comes close to/departs from the fixing roller 3 is provided with an adjustable member 41 that causes the heating roller 6 to move in the direction orthogonal to the axis direction in linkage with movement of the regulating member 40. The adjustable member 41 does not ...

Image forming apparatus

Patent Number: 8447217
Publication Date: 2013-05-21
Inventor:

A toner image can properly be transferred onto the second side of a paper sheet without being influenced by the toner image on the first side. There are provided a detection unit 20 for detecting overlap of the toner images on the first side and the second side of the paper sheet based on image data, and a transfer output adjustment unit 22 which changes a transfer voltage output for the second side in an area with the overlap of the toner images depending on the toner ...

Development unit, image forming apparatus, and gap adjusting method

Patent Number: 8447216
Publication Date: 2013-05-21
Inventor:

A development unit includes: a developing vessel in which a developing agent is received; a developing member as defined herein; a supply member which is supported in the developing vessel and disposed to be opposed to the developing member, the supply member rotating the developing agent in the developing vessel while holding the developing agent on a surface of the supply member to thereby supply the developing agent held on the surface to the developing member; and a thickness limiting ...

Image forming apparatus and method

Patent Number: 8447215
Publication Date: 2013-05-21
Inventors: ; ;

An image forming apparatus includes a developing device that uses a developer carrier to advance to an image carrier a developer including a toner and a carrier and supplies the toner to the image carrier by applying a developing bias between the developer carrier and the image carrier. In the image forming apparatus, the following operation is performed before the developer in the developing device is taken out. The toner is supplied to the image carrier by applying the developing bias ...

Charging member and process for its production

Patent Number: 8447214
Publication Date: 2013-05-21
Inventor:

To provide a charging member to the surface of which any toners and so forth can be kept from adhering and which can exhibit a stable charging performance. The charging member has a substrate, an elastic layer and a surface layer; the surface layer containing a high-molecular compound having an Si—O—B linkage and having a constitutional unit represented by the following formula (1) and a constitutional unit represented by the following formula ...

Image forming apparatus and printing method usable with the same

Patent Number: 8447213
Publication Date: 2013-05-21
Inventors: ;

A printing method usable with an image forming apparatus includes initiating driving of a plurality of photosensitive bodies and a transfer belt, printing an image by transferring toner images formed on the plurality of photosensitive bodies to the transfer belt and finally transferring the toner images, which are transferred to the transfer belt, to paper, and stopping the driving of the plurality of photosensitive bodies and the transfer belt after the printing is completed. The ...

Image forming apparatus

Patent Number: 8447212
Publication Date: 2013-05-21
Inventors: ; ;

An image forming apparatus includes an endless belt member; a drive unit moving the endless belt member; a first detecting unit detecting a rotating speed of the drive unit; a second detecting unit detecting an endless transport speed of the endless belt member; and a control unit controlling the rotating speed of the drive unit based on a first detection signal from the first detecting unit or a second detection signal from the second detecting unit selectively depending on a selection ...

Image forming apparatus, image fixing device and image forming system equipped therewith

Patent Number: 8447211
Publication Date: 2013-05-21
Inventors: ; ;

An image forming apparatus includes: an image forming section which transfers a toner image in accordance with image data onto a recording sheet; a first fixing device having a first fixing roller, which fixes the toner image onto the recording sheet with heat; a second fixing device having a second fixing roller, which further applies heat to the recording sheet that has been fixed by the first fixing device; a second fixing roller surface roughness prevention mechanism which prevents a ...

Reusable transfer assist blade assembly for electro-photographic marking devices

Patent Number: 8447210
Publication Date: 2013-05-21
Inventors: ;

As set forth herein, a reusable transfer assist blade (TAB) assembly includes a replaceable blade assembly that is locked into position between a clamp assembly and an extruded portion of the TAB assembly. When the blade assembly requires replacement, spring tables on the clam assembly are biased upward to release the clamp assembly from the extruded portion, and the clamp assembly is rotated about a clamp tab-clamp pocket interface at the top of the TAB assembly. The blade assembly is ...

Process cartridge and image forming apparatus

Patent Number: 8447209
Publication Date: 2013-05-21
Inventors: ;

A process cartridge comprises a photosensitive drum and a developing roller. A coupling member is provided adjacent to one axial end of the developing roller. The coupling member includes a driven portion, and an intermediary portion configured and positioned to engage with the driven portion. The intermediary portion is also configured to be movable relative to the driven portion in a direction crossing the axis of the developing roller while maintaining engagement with the driven portion. ...

Image forming apparatus

Patent Number: 8447208
Publication Date: 2013-05-21
Inventors: ;

An image forming apparatus includes a main assembly; a cartridge for forming a toner image on a sheet material; a fixing unit for fixing the toner image on the sheet material; and an opening for exposing an inside of the main assembly. The fixing unit and the cartridge are mountable into the main assembly and are disposed side by side. When the fixing unit and the cartridge are mounted or demounted, the fixing unit passes through the opening, and the cartridge passes through a space in ...

Protective sheet, image forming unit and image forming apparatus

Patent Number: 8447207
Publication Date: 2013-05-21
Inventor:

An aspect of the present invention is a protective sheet including: a protective portion that can be inserted between a charging member which is in contact with an outer peripheral surface of a latent image carrier and the latent image carrier, and that can cover an image forming area formed on the outer peripheral surface of the latent image carrier; and a high friction portion that is connected to an end portion of the protective portion, that can be inserted between a pressing portion ...

Image forming apparatus having guide body including chamber where gas mixture is formed and fan for discharging gas mixture

Patent Number: 8447206
Publication Date: 2013-05-21
Inventors: ;

An image forming apparatus includes an image forming unit configured to form an image on a recording medium, wherein a first gas is generated during image formation, and a fixing unit configured to fix the image onto the recording medium by heat, wherein a second gas is generated during image fixing by heat. A body includes a chamber and an opening through which the first gas and the second gas are guided into the chamber to be mixed into a gas mixture. A fan discharges the gas mixture from ...

Image forming apparatus

Patent Number: 8447205
Publication Date: 2013-05-21
Inventor:

An image forming apparatus includes a printing engine to form an image on a printing medium through printing processes, an engine frame to support the printing engine having a driving system to drive the printing engine, a high voltage power supply provided in a surface of the engine frame to apply a high voltage to at least one of units performing the printing processes, a main board provided in a surface of the engine frame adjacent to the surface having the high voltage power supply, and ...

Simulated paper texture using clear toner on uniform substrate

Patent Number: 8447204
Publication Date: 2013-05-21
Inventors: ; ; ;

A system is adapted for simulating a textured pattern on a non-textured substrate. The system includes generating at least a first textured description in a controller unit operatively associated with at least one image forming apparatus. The first textured description is combined with at least one image of an original print job to generate a first print job. The first textured description is printed on at least one face of a substrate to provide a perceived first textured substrate. The at ...

Reducing toner cracking with screening patterns

Patent Number: 8447203
Publication Date: 2013-05-21
Inventors: ; ;

Toner is applied to a receiver having an area to be folded and a separate area not to be folded. Non-fold and fold-area screening patterns are selected. The non-fold screening pattern has a toner coverage greater than 50% and the fold-area screening pattern has a toner coverage less than 50%. Image data to be applied to the receiver in the area to be folded and the area not to be folded are received. The image data in the area not to be folded are processed using the non-fold screening ...

Printing without margins-enabled image forming apparatus and control method

Patent Number: 8447202
Publication Date: 2013-05-21
Inventor:

The present invention provides a printing without margins-enabled image forming apparatus that forms toner image matched to the size and position of the conveyed printing material and suppresses waste toner generation. To accomplish this, the present image forming apparatus includes a printing material detection unit that detects orthogonal direction length, conveying direction length, orthogonal direction position, and conveying direction position associated with the conveyed printing ...

Image forming apparatus for controlling image density

Patent Number: 8447201
Publication Date: 2013-05-21
Inventor:

An image forming apparatus includes plural image holding members; an intermediate transfer material; a transfer unit that transfers the toner images onto a recording medium; a density control toner image creating unit that creates a density control toner image at a constant position on each of the image holding members; a density detection unit that detects density of the density control toner image transferred onto a non-image region; and a creation timing control unit that controls timing ...

Fusing device, image forming apparatus having the same, and control method thereof

Patent Number: 8447200
Publication Date: 2013-05-21
Inventors: ;

An induction heating type fusing device to reduce the size of an induction coil and an image forming apparatus having the same, and a control method thereof. The image forming apparatus includes a printing device to form an image on a recording medium, and a fusing device to fix the image to the recording medium. The fusing device includes a heating member arranged to transfer heat to the recording medium and having a main heater and a sub heater, and an induction coil having a width equal ...

Fixing device and image forming apparatus including same

Patent Number: 8447199
Publication Date: 2013-05-21
Inventors: ; ; ; ; ;

A fixing device for fixing an unfixed toner image on a recording medium includes a fixing member, a pressure member, a sheet guide, and a pressure adjusting mechanism. The fixing member heats the unfixed toner image on the recording medium. The pressure member is disposed opposite the fixing member and presses against the fixing member to define a fixing nip through which the recording medium bearing the unfixed toner image passes to fix the unfixed toner image onto the recording medium. ...

Detector and roller arrangement for an image forming apparatus

Patent Number: 8447198
Publication Date: 2013-05-21
Inventor:

An image forming apparatus includes an endless intermediate transfer belt rotatably stretched over a plurality of rollers, and a detector to read a pattern on the intermediate transfer belt. One of the rollers includes a first portion disposed opposite an area on the intermediate transfer belt including a pattern passing position, and a second portion not including a pattern passing position. The first portion has a diameter smaller than that of the second portion thereof, and an elastic ...

Image forming apparatus

Patent Number: 8447197
Publication Date: 2013-05-21
Inventor:

An image forming apparatus, which appropriately performs a banding correction even if similar banding does not always occur at a same position of a recording medium, detects reflected light from a test patch image and obtains information on a density change caused by a periodically-uneven rotation of a rotation member, and performs a density correction at an arbitrary position of a print image based on the acquired information on the density ...

Recording material determination apparatus and image forming apparatus having a determining unit that determines an attribute of a recording material

Patent Number: 8447196
Publication Date: 2013-05-21
Inventors: ; ;

An image forming apparatus has an image forming unit and a feeding unit for feeding a recording material at a predetermined speed to the image forming unit. A reflective type sensor reads irradiated light reflected off of the recording material and an image reading unit reads the light so as to obtain a surface image of the recording material so that a feed control unit can control the feeding of the recording medium so that a moving distance is shorter and in the case of feeding it at a ...

Methods and apparatus for adjusting device power consumption based on usage data

Patent Number: 8447195
Publication Date: 2013-05-21
Inventor:

Methods and apparatus for adjusting printing device power consumption based on previously acquired usage data. The printing device has multiple energy consumption states including at least a ready state in which the printing device is ready to commence processing of a print job immediately upon receipt and including at least a low power state where the printing device is not ready to commence processing of a newly received print job. Acquired usage data includes parameters of print jobs ...

Image forming apparatus for controlling disposal of developer

Patent Number: 8447194
Publication Date: 2013-05-21
Inventor:

An image forming apparatus includes a developer bearing body for supplying developer to a surface of the image bearing body, on which an electrostatic latent image is formed by a latent image forming unit; a driving unit for rotating the developer bearing body; a speed control unit for determining a rotation speed of the developer bearing body; a drive control unit for controlling the driving unit so that the developer bearing body rotates at the determined rotation speed; and a control ...

Printing apparatus, printing method, and computer-readable storage medium for implementing the printing method

Patent Number: 8447193
Publication Date: 2013-05-21
Inventor:

A printing apparatus connected to another printing apparatus to feed sheets to the another printing apparatus includes a reception unit configured to receive, from another printing apparatus, stop detection information regarding timing of a printing stop in another printing apparatus, and a control unit configured to feed sheets for performing printing up to a page indicated by the stop detection information received by the reception unit, perform printing on the sheets to prevent retention ...

Heat treatment apparatus heating substrate by irradiation with light

Patent Number: 8447177
Publication Date: 2013-05-21
Inventor:

A capacitor, a coil, a flash lamp, and a switching element such as an IGBT are connected in series. A controller outputs a pulse signal to the gate of the switching element. A waveform setter sets the waveform of the pulse signal, based on the contents of input from an input unit. With electrical charge accumulated in the capacitor, a pulse signal is output to the gate of the switching element so that the flash lamp emits light intermittently. A change in the waveform of the pulse signal ...

Dual chimney flat panel convection air space heater

Patent Number: 8447176
Publication Date: 2013-05-21
Inventor:

A space heater and a method for generating a convection flow of air through chimneys of the space heater for heating an area adjoining the space heater is provided. The space heater includes a first panel, a second panel, and an element having one or more heatable surfaces. The second panel is coupled to the first panel and the element is located therebetween to define the chimneys between the first panel and the second panel. The element has the one or more heatable surfaces located within ...

Energy delivery system for a gas transport vessel containing low vapor pressure gas

Patent Number: 8447175
Publication Date: 2013-05-21
Inventors: ; ; ; ;

A system for delivering vapor phase fluid at an elevated pressure from a transport vessel containing liquefied or two-phase fluid is provided. The system includes: (a) a transport vessel positioned in a substantially horizontal position; (b) one or more energy delivery elements disposed on the lower portion of the transport vessel wherein the energy delivery devices include a heating means and a first insulation means, wherein the energy delivery devices are configured to the contour of the ...

Flat thin dynamic speaker

Patent Number: 8447063
Publication Date: 2013-05-21
Inventor:

A flat thin dynamic speaker which includes a motor unit, a suspension unit, a radiating unit and a frame arranged in such a manner that the motor unit and the suspension unit are at the same plane while the radiating unit is on top of the motor unit such that the thickness of the speaker assembly is reduced while the performance of the speaker assembly is maintained or even improved. Also, the speaker can be made into a quadrangular, polygon or a spherical structure. The speaker further has ...

Earphone assembly

Patent Number: 8447062
Publication Date: 2013-05-21
Inventor:

An exemplary earphone assembly includes an electrical connector, two earphones, and two cords electrically connecting the electrical connector with the earphones. Each of the cords includes two wires connecting the electrical connector with a corresponding earphone and a zip chain containing the wires. The zip chain of each cord includes an elongated main body, and a first latching part and a second latching part protruding from the main body towards the other cord. A receiving groove is ...

Dual earphone using both bone conduction and air conduction

Patent Number: 8447061
Publication Date: 2013-05-21
Inventor:

Disclosed is an earphone set using both bone conduction and air conduction. The earphone set includes: a dual earphone which allows a user to selectively hear sounds from the front or rear side of the earphone set; a case cover provided at an end of the dual earphone; a cylindrical reinforcing frame assembled on one side of the case cover; a finishing ring mounted on the outer peripheral surface of the cylindrical reinforcing frame; a top cover assembled on one side of the cylindrical ...

Earphone

Patent Number: 8447060
Publication Date: 2013-05-21
Inventor:

An earphone comprises a trumpet unit, a hollow shield, and a guide sound tube: the shield is hollow to receive the trumpet, has a sound chamber and an opening, and the opening inclines an acute angle from the trumpet unit; the guide sound tube is disposed at the opening with an end communicating with the sound chamber and another end extending to the opening. The earphone is capable of presenting the high and low pitches completely and providing a better sound quality by way of the acute ...

Earphone device

Patent Number: 8447059
Publication Date: 2013-05-21
Inventors: ;

An earphone device comprises an inner casing enclosing one or more miniature drive units, and a movable cap or outer casing that moves relative to the inner casing. The inner casing has an extension member, such as a hollow post, terminating in an acoustic output port. A compressible foam bulb at least partially surrounds the extension member, and is decompressed and compressed by actuation of an adjustable member. The adjustable member may take the form, for example, of a pivoting lever, a ...

Headphone with acoustic modulator

Patent Number: 8447058
Publication Date: 2013-05-21
Inventor:

A headphone having a headband and two acoustic transducers disposed at two ends of the headband is disclosed. Each acoustic transducer includes a baffle plate installed with a speaker, a spacer, a vent and an acoustic modulator. The baffle plate and speaker divide the acoustic transducer into a front and a back chamber. The front chamber is configured for communicating with a user's ear. The spacer is disposed behind the speaker to divide the back chamber into a first back chamber and a ...

Packages and methods for packaging MEMS microphone devices

Patent Number: 8447057
Publication Date: 2013-05-21
Inventors: ; ;

Microelectromechanical systems (MEMS) microphone devices and methods for packaging the same include a package substrate having an acoustic pathway therethrough that opens to an interior of the device. A MEMS microphone die having an integrated filter and a movable membrane is positioned within the interior of the device. The package substrate includes a conductive layer facing the interior of the device, and a package filter formed from the conductive layer is provided along the acoustic ...

Dynamic microphone

Patent Number: 8447056
Publication Date: 2013-05-21
Inventor:

A dynamic microphone includes a vibration pickup that detects vibration of a dynamic microphone unit, and outputs a signal for cancelling vibration noise; and a microphone case that supports the microphone unit and the vibration pickup, wherein the vibration pickup includes a laminated ceramic piezoelectric element that detects vibration of a microphone unit case and outputs a signal corresponding to the detected vibration, the laminated ceramic piezoelectric element has a capacitance that ...

Passive directional acoustic radiating

Patent Number: 8447055
Publication Date: 2013-05-21
Inventors: ; ;

An audio system for a television using a pipe type passive directional acoustic device mounted in a television cabinet. The slotted pipe type passive directional acoustic device includes a first acoustic driver, acoustically coupled to a pipe to radiate acoustic energy into the pipe. The first pipe includes an elongated opening along at least a portion of the length of the pipe. Acoustically resistive material is in the opening. Pressure waves are radiated to the environment through the ...

Microphone with variable low frequency cutoff

Patent Number: 8447054
Publication Date: 2013-05-21
Inventors: ; ; ;

A microphone system has a package with an interior, a MEMS microphone within the package interior and forming a backvolume between it and the package interior, and a MEMS valve coupled with at least one input aperture in the package. The package defines at least one input aperture (e.g., the prior noted aperture) for receiving an acoustic signal, and the MEMS microphone is mechanically coupled to at least a portion of one input aperture. The valve has a valve opening generally circumscribed ...

Flat speaker apparatus with heat dissipating structure and method for heat dissipation of flat speaker

Patent Number: 8447053
Publication Date: 2013-05-21
Inventors: ; ; ;

A flat speaker apparatus including a driving circuit module, a flat speaker and a thermally conductive connector, and with a heat dissipating structure is introduced. The flat speaker includes a porous electrode and a vibrating film. The porous electrode causes the vibrating film to vibrate according to an audio signal output from the driving circuit module for generating sound. The thermally conductive connector connects the driving circuit module and the flat speaker to conduct heat from ...

Electronic device employing sound plate switchable between stand type and hang type

Patent Number: 8447052
Publication Date: 2013-05-21
Inventors: ; ;

An electronic device includes a sound plate switchable between a stand type and a hang type. In the electronic device, the sound plate has a coupled structure movable between a first arrangement, in which the sound plate functions as a stand and a second arrangement wherein the sound plate is disposed at the rear of a main body as a hang type. In the first arrangement, the sound plate emits a sound through a slit provided in a side surface of the sound plate, and in the second arrangement, ...

Communication headset

Patent Number: 8447051
Publication Date: 2013-05-21
Inventor:

A communication headset is disclosed. The headset comprises two earpieces: a first earpiece, having a first arm, positionable in front of a wearer's ear and a second arm, positionable behind a wearer's ear, with a first bone conduction speaker carried on the second arm; and a second earpiece, having a first arm, positionable in front of a wearer's ear and a second arm, positionable behind a wearer's other ear, with a second bone conduction speaker carried on the second arm. A first ...