Patent application number | Description | Published |
20130257531 | AMPLIFYING DEVICE AND METHOD FOR CONTROLLING THE SAME - It is difficult to realize the low distortion characteristics and the highly-efficient operation of the amplifying device simultaneously, therefore, an amplifying device according to an exemplary aspect of the invention includes a first pre-distorter unit outputting a modulated signal obtained by adding a phase compensation amount and an amplitude adjustment amount to an input signal; a power amplifier inputting the modulated signal and outputting an output signal obtained by amplifying the modulated signal; a power supply voltage modulation unit modulating a power supply voltage of the power amplifier; a second pre-distorter unit controlling the power supply voltage modulation unit on the basis of amplitude information on the input signal; and a control unit controlling an operation of the first pre-distorter unit and the second pre-distorter unit; wherein the control unit includes a phase control unit controlling the phase compensation amount by using a phase coefficient, a first amplitude control unit controlling the amplitude adjustment amount by using a first amplitude coefficient, and a second amplitude control unit controlling the operation of the second pre-distorter unit by using a second amplitude coefficient; and wherein the first amplitude control unit cooperates with the second amplitude control unit so that an amplitude amplification factor may become constant which is a ratio of an amplitude of the output signal to an amplitude of the input signal. | 10-03-2013 |
20130342185 | POWER SUPPLYING APPARATUS AND CONTROL METHOD THEREOF - In order to improve power efficiency, a power supplying apparatus includes a switching amplification unit supplying a first load with most of electric power, and a linear amplification unit correcting an output voltage applied to the first load according to an input signal. Furthermore, an electric current which flows into the linear amplification unit at the time of the correcting is supplied to a second load from a power supply terminal of the linear amplification unit. | 12-26-2013 |
20150072631 | AMPLIFIER AND AMPLIFICATION METHOD - [Problem] To provide an amplifier and an amplification method in which degradation in the quality of the output signal is reduced. [Solution] This amplifier is characterized in having: an amplification unit; a power supply modulator for determining the modulation voltage applied to the amplification unit according to an input signal inputted into the amplification unit; a first predistorter for modeling the characteristics of the amplification unit and performing distortion compensation with respect to the amplification unit; a first controller for controlling the parameters of the first predistorter on the basis of an input signal inputted into the first predistorter and an output signal from the amplification unit; a second predistorter for modulating an input signal inputted into the power supply modulator; and a second controller for controlling the second predistorter on the basis of the input signal inputted into the power supply modulator and a signal from which the RF component of the drain voltage of an FET of the amplification unit has been removed; the amplifier performing a correction such that the signal from which the RF component of the drain voltage of the FET has been removed is linear. | 03-12-2015 |
20150137886 | POWER SUPPLY DEVICE, TRANSMISSION DEVICE USING SAME, AND METHOD FOR OPERATING POWER SUPPLY DEVICE - A power supply device includes a switching amplification unit that supplies power to a load, a linear amplification unit that corrects an output voltage applied to the load according to an input signal, and a power supply control unit that controls the power supply of the linear amplification unit according to the input signal. | 05-21-2015 |
Patent application number | Description | Published |
20100191210 | ABSORBENT ARTICLE - An absorbent article that avoids damaging of adherend fibers through regulation of attaching strength. The absorbent article comprises a surface sheet ( | 07-29-2010 |
20120089106 | ABSORBENT ARTICLE - An absorbent article includes a topsheet having a contact surface in contact with the skin of a wearer; a liquid-impermeable backsheet through which a liquid does not pass; and an absorber provided between the topsheet and the backsheet, a cooling sensation material including a refresher agent in the topsheet or between the topsheet and the backsheet. On the outside of the planar direction of the topsheet from the contact region in which an excretion unit of the wearer is in contact in the topsheet, there is a region having a greater amount of the cooling sensation material per unit area than the amount of the cooling sensation material per unit area in the contact region. | 04-12-2012 |
20140155852 | ABSORBENT ARTICLE AND METHOD FOR PRODUCING THE SAME - A water-disintegrable absorbent article adapted to be easily peeled off the wearer's undergarment after use. A pantiliner has a topsheet lying on a body side of the wearer, a backsheet and a liquid-absorbent body interposed between the top- and backsheets. The backsheet may be formed of a water-disintegrable fibrous nonwoven fabric of which the component fibers have an orientation extending in a longitudinal direction. On a non-body side, first adhesive regions adapted to be attached to the wearer's undergarment and second adhesive regions allocated on both outer sides in a transverse direction of the first adhesive regions so as to be spaced in the transverse direction from the first adhesive regions. The first adhesive regions include front first adhesive regions, rear first adhesive regions and central first adhesive regions allocated between the front and rear first adhesive regions spaced apart from each other in the longitudinal direction. The second adhesive regions include front second adhesive regions and rear second adhesive regions spaced apart from each other in the longitudinal direction. The central first adhesive regions are allocated in a space area defined by the front and rear second adhesive regions and arranged in the transverse direction. | 06-05-2014 |
20140243771 | WATER DISINTEGRATABLE ABSORBER AND ABSORBENT ARTICLE - An absorber and an absorbent article which have excellent leak proof property during use and water disintegratability after disposal. The water disintegratable absorber includes a water disintegratable absorber layer and a water insoluble resin layer. The amount of water absorption of the water disintegratable absorber layer is 300 g/m | 08-28-2014 |
20150094681 | ABSORBENT ARTICLE - An absorbent article that includes: a liquid-permeable topsheet; a liquid-impermeable backsheet; and an absorbent sheet which is arranged between the topsheet and the backsheet and which has a pulp. A plurality of hole portions passing through from the topsheet side to the backsheet side are formed in the absorbent sheet. The topsheet is arranged so as to cover the hole portions of the absorbent sheet. The absorbent sheet has: a plurality of first regions which are bonded with the backsheet at a periphery of the hole portions; and a second region between the plurality of first regions. At least a part of the second region is spaced from the backsheet, and is arranged at the topsheet side more significantly than the first region. | 04-02-2015 |
Patent application number | Description | Published |
20110142503 | CONDUCTIVE ROLLER AND ELECTROPHOTOGRAPHIC APPARATUS EMPLOYING THE SAME - The conductive roller according to the present invention includes a roller body made of a thermoplastic elastomer composition supplied with conductivity having an outer cylinder constituting an outer peripheral surface of the roller body, an inner cylinder, having an outer diameter smaller than the inner diameter of the outer cylinder, concentrically arranged in the outer cylinder, and a plurality of platelike coupling portions reaching the inner periphery of the outer cylinder from the outer periphery of the inner cylinder, wherein a plurality hollow portions separated from one another by the coupling portions are provided between the outer periphery of the inner cylinder and the inner periphery of the outer cylinder, and each coupling portion is arranged to intersect with a plane passing through the central axes of the outer cylinder and the inner cylinder so that adjacent hollow portions separated from each other by the coupling portion overlap with each other on the plane inwardly and outwardly in the radial direction in a section of the roller body in a direction orthogonal to the axial direction. | 06-16-2011 |
20130203573 | ELECTRICALLY CONDUCTIVE RUBBER COMPOSITION, AND TRANSFER ROLLER PRODUCED BY USING THE COMPOSITION - An inventive electrically conductive rubber composition comprises a rubber component at least including an SBR, an EPDM and an epichlorohydrin rubber, a crosslinking agent component for crosslinking the rubber component, and a foaming agent component. The foaming agent component comprises a foaming agent alone in a proportion of not less than 0.1 part by mass and not greater than 8 parts by mass based on 100 parts by mass of the rubber component. Alternatively, the foaming agent component comprises the aforementioned proportion of the foaming agent and not greater than 5 parts by mass of a urea foaming assisting agent based on 100 parts by mass of the rubber component. An inventive transfer roller ( | 08-08-2013 |
20140162861 | RUBBER FOAM TUBE PRODUCTION METHOD, ELECTRICALLY CONDUCTIVE ROLLER, AND IMAGE FORMING APPARATUS - A rubber foam tube ( | 06-12-2014 |
20140287900 | ELECTRICALLY CONDUCTIVE RUBBER COMPOSITION, TRANSFER ROLLER, AND IMAGE FORMING APPARATUS - The present invention provides an electrically conductive rubber composition which can be efficiently and sufficiently foamed and crosslinked by means of a continuous crosslinking apparatus including a microwave crosslinking device and a hot air crosslinking device without generation of ammonia and carbon monoxide. The electrically conductive rubber composition comprises a rubber component, a crosslinking component for crosslinking the rubber component, and a foaming component including sodium hydrogen carbonate and citric acid. | 09-25-2014 |
20150034877 | ELECTRICALLY CONDUCTIVE RUBBER COMPOSITION, TRANSFER ROLLER, AND IMAGE FORMING APPARATUS - An electrically conductive rubber composition is provided, which comprises a rubber component including an SBR, an EPDM and an epichlorohydrin rubber, a crosslinking component and an azodicarbonamide foaming agent having an average particle diameter of 3 to 11 μm. The azodicarbonamide foaming agent is blended in a proportion of 0.5 to 8 parts by mass based on 100 parts by mass of the overall rubber component. A transfer roller ( | 02-05-2015 |
20150041725 | ELECTRICALLY CONDUCTIVE RUBBER COMPOSITION, TRANSFER ROLLER, AND IMAGE FORMING APPARATUS - An electrically conductive rubber composition is provided, which comprises a rubber component including an SBR, an EPDM and an epichlorohydrin rubber, a crosslinking component and an azodicarbonamide foaming agent having a volume-based median diameter of 20 to 40 μm. The azodicarbonamide foaming agent is blended in a proportion of 0.5 to 8 parts by mass based on 100 parts by mass of the overall rubber component. A transfer roller ( | 02-12-2015 |
20150277274 | TONER SUPPLY ROLLER AND IMAGE FORMING APPARATUS - A toner supply roller ( | 10-01-2015 |
20150277275 | TONER SUPPLY ROLLER AND IMAGE FORMING APPARATUS - A toner supply roller ( | 10-01-2015 |
20150277276 | TONER SUPPLY ROLLER AND IMAGE FORMING APPARATUS - A toner supply roller ( | 10-01-2015 |