Patent application number | Description | Published |
20110198608 | SEMICONDUCTOR DEVICE, METHOD FOR MANUFACTURING SAME, AND DISPLAY DEVICE - A semiconductor device includes a thin film transistor and a thin film diode on a same substrate. A semiconductor layer ( | 08-18-2011 |
20110261019 | SEMICONDUCTOR DEVICE, METHOD FOR MANUFACTURING SAME, AND DISPLAY DEVICE - A semiconductor device according to the present invention includes a thin-film transistor and a thin-film diode. The respective semiconductor layers and of the thin-film transistor and the thin-film diode are crystalline semiconductor layers that have been formed by crystallizing the same crystalline semiconductor film. Ridges have been formed on the surface of the semiconductor layer of the thin-film diode. And the semiconductor layer of the thin-film diode has a greater surface roughness than the semiconductor layer of the thin-film transistor. | 10-27-2011 |
20110273390 | SEMICONDUCTOR DEVICE, METHOD FOR MANUFACTURING SAME, AND DISPLAY DEVICE - Disclosed is a semiconductor device in which a thin film transistor and a thin film diode are provided on one same substrate, and the characteristics respectively required for the thin film transistor and the thin film diode are achieved. Specifically disclosed is a semiconductor device that includes an insulating layer ( | 11-10-2011 |
20120068182 | SEMICONDUCTOR DEVICE, METHOD FOR MANUFACTURING SAME, AND DISPLAY DEVICE - A semiconductor device of the present invention is a semiconductor device including a thin film transistor and a thin film diode. A semiconductor layer ( | 03-22-2012 |
20130078787 | METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE - Disclosed is a method for manufacturing a semiconductor device, including the steps of: forming a first semiconductor film ( | 03-28-2013 |
20130099290 | SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME - Disclosed is a method for manufacturing a semiconductor device that can improve the performance of a photodiode that is formed on a same substrate as a thin film transistor without greatly deteriorating the productivity of the semiconductor device. On a glass substrate | 04-25-2013 |
Patent application number | Description | Published |
20130032530 | COMPOSITE SEMIPERMEABLE MEMBRANE - Disclosed is a composite semipermeable membrane, which comprises a separation functional layer on a microporous support, and in which the separation functional layer is made of a condensation product of a polymer that has acidic groups and a trialkoxysilane groups having an imidazolium structure in side chains. The composite semipermeable membrane has excellent selective separation performance for divalent ions over monovalent ions, while exhibiting excellent long-term durability. Also disclosed is a method for producing the composite semipermeable membrane. The composite semipermeable membrane is suitable for uses in various water treatment fields such as the desalination of seawater and the production of drinking water. In addition, the composite semipermeable membrane does not deteriorate as much as conventional composite semipermeable membrane even in cases where the membrane is sterilized by having chlorine-containing raw water permeate therethrough continuously or intermittently. | 02-07-2013 |
20130098832 | SEMI-PERMEABLE COMPOSITE MEMBRANE - Provided is a semi-permeable composite membrane which exhibits both high durability and high solute-removal and water-permeation performances. The semi-permeable composite membrane is formed from a porous support membrane and a polymer membrane. The polymer membrane is formed of at least one type of polymer (a) with a positive charge in the repeating unit and at least one type of polymer (b) with a negative charge in the repeating unit and has a crosslinked structure formed by siloxane bonds between the polymer (a) and the polymer (a), between the polymer (a) and the polymer (b), and/or between the polymer (b) and the polymer (b). | 04-25-2013 |
20130256215 | COMPOSITE SEMIPERMEABLE MEMBRANE - Provided is a composite semipermeable membrane, comprising: a microporous support membrane which comprises a substrate and a porous support, and a polyamide separation functional layer formed on the microporous support membrane, wherein the polyamide has an irreversible heat absorption, which is measured using temperature modulated DSC, of 275 J/g or more at a temperature in the range of −20 to 150° C. in the first heating process. | 10-03-2013 |
20130313186 | COMPOSITE SEMIPERMEABLE MEMBRANE AND PROCESS FOR PRODUCING THE SAME - Provided is a composite semipermeable membrane comprising a microporous support membrane and a separation functional layer formed thereon, wherein the separation functional layer is formed from Compound (A) in which a reactive group(s) having an ethylenically unsaturated group and a hydrolyzable group(s) are bonded directly to a silicon atom, Compound (B) having an ethylenically unsaturated group, the Compound (B) being different from said Compound (A), and Compound (C) having an ethylenically unsaturated group, the Compound (C) being different from said Compound (A) and (B), by condensation of hydrolyzable groups that the Compound (A) has and polymerization of ethylenically unsaturated groups that the Compound (A), the Compound (B), and the Compound (C) have, and the Compound (A), the Compound (B), and the Compound (C) satisfy the relationship of the following equation (I): | 11-28-2013 |
20140183127 | COMPOSITE SEMIPERMEABLE MEMBRANE, COMPOSITE SEMIPERMEABLE MEMBRANE ELEMENT, AND METHOD FOR MANUFACTURING COMPOSITE SEMIPERMEABLE MEMBRANE - A composite semipermeable membrane in which a polyamide separation functional layer is formed on a porous support membrane includes a substrate and a porous support, wherein a standard deviation of a membrane thickness of the separation functional layer is 2.00 nm or less. | 07-03-2014 |
20150190759 | COMPOSITE SEMIPERMEABLE MEMBRANE - A composite semipermeable membrane includes a porous supporting membrane and a separation functional layer, in which, in cross-sections having a length of 2.0 μm in a membrane surface direction, the average number density of projections in the separation functional layer which have a height of one-fifth or more of the 10-point average surface roughness is 10.0-30.0 projections/μm and the projections have an average height less than 100 nm, and in which a water production rate and a salt rejection are predetermined values or more after an aqueous solution is passed through under certain conditions. | 07-09-2015 |
Patent application number | Description | Published |
20100009259 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NICKEL-METAL HYDRIDE BATTERY AND NICKEL-METAL HYDRIDE BATTERY USING THE SAME, AND METHOD FOR TREATING NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NICKEL-METAL HYDRIDE BATTERY - A negative electrode active material for a nickel-metal hydride battery of the present invention includes a hydrogen storage alloy, the hydrogen storage alloy containing La, Mg, Ni, Co, Al, and element M. The molar ratio y of Ni to the total of La and Mg is 2≦y≦3, the molar ratio z of Co to the total of La and Mg is 0.25≦z≦0.75, the molar ratio α of Al to the total of La and Mg is 0.01≦α≦0.05, and the molar ratio x of Mg to the total of La and Mg is 0.01≦x≦0.5. Element M represents at least one selected from the group consisting of Y and Sn, and the content of element M in the hydrogen storage alloy is 0.4 wt % or less. | 01-14-2010 |
20100028774 | NEGATIVE ELECTRODE MATERIAL FOR NICKEL-METAL HYDRIDE BATTERY AND TREATMENT METHOD THEREOF, AND NICKEL-METAL HYDRIDE BATTERY - A negative electrode material for a nickel-metal hydride battery containing a hydrogen-absorbing alloy represented by a general formula: Mm | 02-04-2010 |
20110033748 | HYDROGEN-ABSORBING ALLOY POWDER, METHOD FOR TREATING THE SURFACE THEREOF, NEGATIVE ELECTRODE FOR ALKALINE STORAGE BATTERY, AND ALKALINE STORAGE BATTERY - Provided is a hydrogen occluding alloy powder having an ideally activated surface state where oxide and hydroxide precipitated on the surface of said powder have been removed quickly with a simple means. The method for surface treating a hydrogen occluding alloy powder involves agitating a hydrogen occluding alloy powder containing Ni and Mg with an Ni content from 35 to 60 wt % in a lithium hydroxide aqueous solution (first process). Then the hydrogen occluding alloy powder is agitated in an alkali metal hydroxide aqueous solution containing at least either one of sodium hydroxide and potassium hydroxide (second process). | 02-10-2011 |
20130136983 | HYDROGEN ABSORBING ALLOY PARTICLES, ALLOY POWDER FOR ELECTRODE, AND ALKALINE STORAGE BATTERY - Disclosed is a hydrogen absorbing alloy particles including a matrix phase and a plurality of segregation phases, the matrix phase including an alloy having a CaCu | 05-30-2013 |
Patent application number | Description | Published |
20110117622 | SEAMLESS CAPSULE - The seamless capsule of the invention is obtained by immersing in an aqueous fluid a two-layered seamless capsule comprising an inner layer comprising a suspension composition comprising a biocatalyst suspended in an oily substance and an outer layer comprising a shell composition comprising a water permeable substance. The seamless capsule of the invention, which has a pseudo three-layer structure of outer layer/oil layer/aqueous layer, is useful in that it is applicable to, for example, a bioreactor. | 05-19-2011 |
20110311617 | ORAL VACCINE - The present invention provides an oral vaccine against a bacterial infectious disease (e.g., typhoid fever, cholera, or dysentery). The oral vaccine of the present invention is a capsule formulation in which a transformed microorganism that expresses a flagellin antigen protein or that secretes a flagellin antigen protein out of the cell of the microorganism is encapsulated with an acid-resistant membrane. Examples of the microorganism include intestinal bacteria belonging to the genus | 12-22-2011 |
20120131849 | METHOD FOR STORAGE OF SEEDS - The present invention provides a method for storing seeds, comprising the step of immersing seeds in an oily substance having a boiling point of 100° C. or higher. According to the method for storing seeds of the present invention, the germination rate and the germination vigor of seeds can be stably maintained for a long period of time in a simple manner. | 05-31-2012 |
20150130116 | CAPSULE FOR NON-FERROUS METAL COLLECTION AND METHOD FOR COLLECTING NON-FERROUS METAL - Provided are: a capsule for non-ferrous metal collection that can collect a non-ferrous metal; and a method for collecting a non-ferrous metal using same. The capsule for non-ferrous metal, collection comprises capsule contents and a covering section covering the capsule contents, and collects a non-ferrous metal within the capsule for non-ferrous metal collection by means of the capsule for non-ferrous metal collection being immersed in a solution containing a non-ferrous metal. | 05-14-2015 |
Patent application number | Description | Published |
20140073328 | RADIO MOBILE COMMUNICATION SYSTEM, RADIO BASE STATION APPARATUS, MOBILE TERMINAL APPARATUS, AND RADIO COMMUNICATION METHOD IN RADIO MOBILE COMMUNICATION SYSTEM - A radio mobile communication system including: a radio base station apparatus; and a mobile terminal apparatus, wherein radio communication is performed between the radio base station apparatus and the mobile terminal apparatus, the radio base station apparatus includes: a first transmission unit which transmits a first notification signal to notify a shift to a first mode; and a first mode switching control unit which transmits the first notification signal and switches to the first mode in which the first transmission unit is shifted to a condition of a suspension state, and the mobile terminal apparatus includes: a second mode switching control unit which switches to a second mode in which power of the mobile terminal apparatus is in an ON state and power consumption is smaller than in an outside coverage area mode, on receiving the first communication signal. | 03-13-2014 |
20140287730 | MOBILE COMMUNICATION SYSTEM, QUALITY CONTROL METHOD, AND MONITORING CONTROL DEVICE - A mobile communication system includes: a content server configured to accumulate a content; a wireless base station device configured to receive the content sent from the content server; a terminal device configured to receive the content wirelessly sent from the wireless base station device; and a monitoring control device configured to: control delivery of the content to the terminal device over the content server, and send to the terminal device, when a quality of experience (QoE) for a user utilizing the terminal device due to delivery of the content, the QoE being predicted in accordance with sending of a first delivery request for the content from the terminal device, does not meet a given condition, information on a clock time or a place in which a new predicted QoE meets the given condition. | 09-25-2014 |
20150327259 | MOBILE COMMUNICATION SYSTEM, RADIO BASE STATION APPARATUS, AND OPERATION CONTROL METHOD - A mobile communication system including: a first and second radio base stations apparatuses; and a terminal apparatus, wherein radio communication is performed between the first and second base station apparatuses and the terminal apparatus, and the first radio base station apparatus includes: a first control unit configured to control whether or not operation of the first radio base station apparatus is caused to be dormant based on a message exchanged between the second radio base station apparatus adjacent to the first radio base station apparatus and the first radio base station apparatus. | 11-12-2015 |
Patent application number | Description | Published |
20100233432 | IMPRINT METHOD AND PROCESSING METHOD OF SUBSTRATE - An imprint method in which imprinting of a pattern of a mold onto a resin material on a substrate is repeated multiple times. The imprint method includes the steps of preparing the mold including a light blocking member at a position where the pattern is not formed, forming a pattern for the first time by bringing the mold into contact with a photocurable resin material provided on the substrate, forming a first processed area by curing the photocurable resin material by light irradiation, and removing a part of the photocurable resin material extruded from the first processed area into an outside area at a periphery of the first processed area. | 09-16-2010 |
20110042352 | IMPRINT METHOD AND PROCESSING METHOD OF SUBSTRATE USING THE IMPRINT METHOD - An imprint method for imprinting a pattern of a mold onto a resin material on a substrate. The imprint method includes a step of forming a processed area in which an imprint pattern corresponding to the pattern of the mold is formed, and an outside area formed of a periphery of the processed area, by bringing the mold into contact with the resin material formed on the substrate, so that a portion of the resin material is extruded from the processed area into the outside area, a step of forming a protection layer for protecting the processed area, and a step of removing a layer of the resin material in the outside area, while the imprint pattern formed on a layer of the resin material in the processed area, is protected by the protection layer, so as not to be removed. | 02-24-2011 |
20120148023 | X-RAY IMAGING APPARATUS AND IMAGING METHOD - An X-ray imaging apparatus and an imaging method capable of acquiring an image of a test object associated with a phase shift in consideration of X-ray absorption is provided. A splitting element configured to spatially split an X-ray into multiple X-ray beams is provided. A shielding unit including a plurality of shielding elements configured to block part of an X-ray acquired by the splitting element is provided. Part of X-ray beams detected at the first detection pixels is blocked by the shielding elements. The X-ray beams detected by the second detection pixels adjoining the first detection pixels are not blocked by the shielding elements. | 06-14-2012 |
Patent application number | Description | Published |
20130183753 | METHOD FOR PROMOTING DIFFERENTIATION OF PLURIPOTENT STEM CELLS INTO CARDIAC MUSCLE CELLS - The present invention relates to a composition for promoting differentiation of pluripotent stem cells into cardiac muscle cells, and a method for inducing differentiation of pluripotent stem cells into cardiac muscle cells and a method for preparing cardiac muscle cells. | 07-18-2013 |
20140106348 | CULTURE MEDIUM COMPOSITION AND METHOD OF CULTURING CELL OR TISSUE USING THEREOF - The present invention provides a culture method of cells and/or tissues including culturing cells and/or tissues in a suspended state by using a medium composition wherein indeterminate structures are formed in a liquid medium, the structures are uniformly dispersed in the solution and substantially retain the cells and/or tissues without substantially increasing the viscosity of the solution, thus affording an effect of preventing sedimentation thereof, and the like. | 04-17-2014 |
20140127807 | Method for Promoting Differentiation of Pluripotent Stem Cells into Cardiac Muscle Cells - The present invention relates to a composition for promoting differentiation of pluripotent stem cells into cardiac muscle cells, and a method for inducing differentiation of pluripotent stem cells into cardiac muscle cells and a method for preparing cardiac muscle cells | 05-08-2014 |
20140329317 | METHOD FOR CULTURING PLURIPOTENT STEM CELL - The present invention provides a method of maintaining and amplifying pluripotent stem cells, including repeating the following steps:
| 11-06-2014 |
20150017718 | METHOD FOR INDUCING CARDIAC DIFFERENTIATION OF PLURIPOTENT STEM CELL - The present invention relates to a method for inducing cardiac differentiation of a pluripotent stem cell, which comprises the steps of
| 01-15-2015 |
20150219543 | CELL EVALUATION METHOD - The present invention relates to a cell evaluation method comprising evaluating a cell differentiation degree based on a cell thickness. | 08-06-2015 |
Patent application number | Description | Published |
20090264312 | METHOD FOR REMOVING DESIRED CHROMOSOME AND TAILOR-MADE MEDICAL TREATMENT UTILIZING THE SAME - It is intended to provide a regenerable cell in which a desired chromosome has been deleted, a method for producing the cell, and a gene cassette and a kit to be used for the method. More particularly, it is intended to obtain an individual corresponding pluripotent stem cell easily and simply. More specifically, it is intended to efficiently establish a cell, tissue or organ that can be a donor for treating a disease without causing immune rejection response, without newly obtaining and establishing a stem cell such as ES cell from the individual, and without using an ovum as a material. It was achieved by a gene cassette in which not two recombinase recognition sites in a cis orientation are inserted, but one recombinase recognition site or two recombinase recognition sites in an opposite orientation is/are inserted and a marker gene is connected, and by application of the gene cassette to a cell fusion technique. | 10-22-2009 |
20120220031 | CULTURE SUBSTRATE FOR HUMAN PLURIPOTENT STEM CELLS AND USE THEREOF - The present invention provides a culture substrate which enables maintenance culture of human pluripotent stem cells in a pluripotent state under a feeder-free culture environment, and a culture method of human pluripotent stem cells using the culture substrate. By seeding human pluripotent stem cells dissociated into single cells at a cell density of 4×10 | 08-30-2012 |
20120244619 | COMPOSITION FOR PROMOTING DIFFERENTIATION OF PLURIPOTENT STEM CELLS INTO CARDIAC MUSCLE CELLS WHICH COMPRISES NITROVIN - The present invention provides a composition for promoting differentiation of pluripotent stem cells into cardiac muscle cells which comprises nitrovin, a method for inducing differentiation of pluripotent stem cells into cardiac muscle cells by using nitrovin and a method for preparing cardiac muscle cells by using nitrovin. | 09-27-2012 |
20130115622 | PHARMACEUTICAL COMPOSITION FOR PREVENTION AND TREATMENT OF AMYOTROPHIC LATERAL SCLEROSIS - Provided are a prophylactic and therapeutic agent for amyotrophic lateral sclerosis containing an HMG-CoA reductase inhibitor and a method of screening for a prophylactic and therapeutic drug for amyotrophic lateral sclerosis using an induced pluripotent stem cell derived from a patient with amyotrophic lateral sclerosis. | 05-09-2013 |
20130225642 | PHARMACEUTICAL COMPOSITION FOR PREVENTION AND TREATMENT OF AMYOTROPHIC LATERAL SCLEROSIS - The present invention provides a prophylactic or therapeutic agent for amyotrophic lateral sclerosis, containing a 1,3-diphenylurea derivative or multikinase inhibitor. | 08-29-2013 |
20150031062 | METHOD FOR SORTING OF PLURIPOTENT CELLS - A method for sorting pluripotent cells using a compound which is eliminated from the pluripotent cells through the MDR1 transporter. | 01-29-2015 |
Patent application number | Description | Published |
20090051324 | BATTERY PACK AND METHOD FOR DETECTING DISCONNECTION OF SAME - The battery pack includes an assembled battery including a plurality of secondary battery cells connected at least in series; a voltage detector which detects a terminal voltage of each of the plurality of secondary battery cells; a charge/discharge controller which controls charge/discharge of the assembled battery based on the terminal voltage of each cell detected by the voltage detector; a short-circuiting section which short-circuits a node between cells to the high voltage side or the low voltage side of a power line, or which short-circuits nodes between the cells to each other; and a disconnection detector which controls conduction/non-conduction of the short-circuiting section and which detects a disconnection of the connection line from the voltage detector to the node between the cells, based on a state of controlling the conduction/non-conduction, and at least one of a voltage at the node between the cells detected by the voltage detector, a voltage of the high voltage side or the low voltage side of the power line, and a terminal voltage of each cell. The floating (disconnection) of intermediate taps of the secondary battery cells can be reliably detected without causing losses in regular processes. | 02-26-2009 |
20090128159 | BATTERY PACK ANOMALY DETECTING METHOD AND BATTERY PACK - An anomaly detecting method for a battery pack including a secondary battery made up of at least one cell and a voltage detecting circuit for measuring cell voltage of the secondary battery comprises the steps of measuring the cell voltage, judging by using the measured cell voltage whether predefined anomaly judgment conditions to be used in determining that at least one of an internal short circuit of the cell and an anomaly of the voltage detecting circuit has occurred are satisfied, and determining that at least one of the internal short circuit of the cell and the anomaly of the voltage detecting circuit has occurred if the anomaly judgment conditions are judged to have been satisfied. The anomaly detecting method prevents in advance continued execution of charge operation when the cell voltage does not reach a threshold voltage due to an internal short circuit of the cell or an anomaly of the voltage detecting circuit. | 05-21-2009 |
20090309547 | CHARGING METHOD, BATTERY PACK AND CHARGER FOR BATTERY PACK - A charging method includes a constant-current charging step wherein a constant charge current is supplied to a secondary battery to be charged to a predetermined end voltage; and a constant-voltage charging step wherein the predetermined end voltage is maintained by reducing the charge current after said secondary battery is charged to the end voltage, wherein: said constant-current charging step includes the charging step to be carried out with the end voltage set to OCV which is a voltage when no current is flowing, and with a voltage of a charge terminal of said battery pack set to an overvoltage above said OCV, and said constant-voltage charging step includes the step of reducing the voltage across the charge terminals to the after the voltage across the charge terminals is increased to the overvoltage or after the charge current of the charge terminal is reduced to or below a predetermined current level. | 12-17-2009 |
20100019725 | SET BATTERY CONTROL METHOD AND SET BATTERY CONTROL CIRCUIT AS WELL AS CHARGING CIRCUIT AND BATTERY PACK HAVING THE SET BATTERY CONTROL CIRCUIT - A set battery control circuit includes: a voltage detection portion that detects a terminal voltage across each secondary battery in a set battery formed by connecting a plurality of secondary batteries in series; a discharge portion that discharges the plurality of secondary batteries; and an imbalance reduction processing portion that performs imbalance reduction processing at set timing preset as timing at which terminal voltages across the plurality of secondary batteries become voltages at or below a cut-off voltage of discharge preset as a voltage at which discharge is to end in such a manner that a secondary battery having a terminal voltage higher than a lowest voltage, which is a lowest terminal voltage among the terminal voltages across the plurality of secondary batteries detected by the voltage detection portion, is discharged by means of the discharge portion so that a difference among the terminal voltages across the respective secondary batteries is lessened. | 01-28-2010 |
20100188050 | BATTERY INTERNAL SHORT-CIRCUIT DETECTION APPARATUS AND METHOD, AND BATTERY PACK - A battery internal short-circuit detection apparatus includes: a voltage detection unit for detecting a terminal voltage of the battery; a current detection unit for detecting a discharging current of the battery; a voltage drop and recovery detection unit for detecting a momentary voltage drop of the battery and a recovery from the voltage drop, in response to a result of detection performed by the voltage detection unit; and a determination unit for determining that an internal short circuit has occurred, when a maximum value of the discharging current detected by the current detection unit between the voltage drop and the recovery is equal to or lower than a threshold current. | 07-29-2010 |
20100188054 | BATTERY INTERNAL SHORT-CIRCUIT DETECTING DEVICE AND METHOD, BATTERY PACK, AND ELECTRONIC DEVICE SYSTEM - An internal short-circuit detecting device for detecting an internal short circuit of a battery being subjected to constant current charge using a constant current amount (I) has: a voltage detection unit for detecting a terminal voltage of the battery; a terminal voltage acquisition unit for acquiring a terminal voltage (V | 07-29-2010 |
20100201321 | BATTERY INTERNAL SHORT-CIRCUIT DETECTING DEVICE AND METHOD, BATTERY PACK, AND ELECTRONIC DEVICE SYSTEM - A battery internal short-circuit detecting device has: a battery temperature detection unit for detecting a battery temperature Tr; an ambient temperature detection unit for detecting an ambient temperature Te; an average heating value detection unit for detecting an average value Pav of battery heating values per predetermined first period ΔW | 08-12-2010 |
20110133571 | PROTECTION CIRCUIT AND BATTERY PACK - A protection circuit having: a connecting terminal which is connected to an external circuit and which inputs and outputs a charging/discharging current of a secondary battery to and from the external circuit; a voltage detection unit for detecting an output voltage of the secondary battery; a current detection unit for detecting a discharging current of the secondary battery; a power consumption calculation unit for calculating power consumption of the external circuit by multiplying a value of the output voltage detected by the voltage detection unit by a value of the discharging current detected by the current detection unit; and an external protection unit for executing external protection processing of protecting the external circuit when the power consumption calculated by the power consumption calculation unit exceeds a power threshold set to a value that is not less than a maximum value of power consumption of the external circuit. | 06-09-2011 |
20110267009 | CHARGE CONTROL CIRCUIT, BATTERY PACK, AND CHARGE SYSTEM - A charge control circuit includes a charge control unit that controls an operation of a charging unit that charges a rechargeable battery; and a voltage detection unit that detects a terminal voltage of the rechargeable battery, wherein when a terminal voltage of the rechargeable battery as detected by the voltage detection unit is lower than a predetermined first threshold-value voltage, being lower than a full-charge voltage which is a terminal voltage of the rechargeable battery in full charge, the charge control unit causes a constant current charging to the rechargeable battery by requesting the charging unit to supply a charging current of a predetermined first current value, causing the charging unit to supply a charging current of the first current value to the rechargeable battery, when the terminal voltage of the rechargeable battery as detected by the voltage detection unit exceeds the first threshold-value voltage but is less than the full charge voltage, the charge control unit causes the constant current charging to the rechargeable battery by requesting the charging unit to supply a charging current of a second current value that is smaller than the first current value, causing the charging unit to supply a charging current of the second current value to the rechargeable battery, and when the terminal voltage of the rechargeable battery as detected by the voltage detection unit is equal to or greater than the full charge voltage, the charge control unit causes a constant voltage charging to be carried out by causing the charging unit to supply the full charge voltage to the rechargeable battery, as a charge voltage. | 11-03-2011 |
20110273137 | PROTECTION CIRCUIT, BATTERY PACK AND CHARGING SYSTEM - A protection circuit having: a connecting terminal for receiving a voltage for charging a rechargeable battery; a switching element interposed between the connecting terminal and the rechargeable battery; a temperature fuse for blocking a conductive path between the connecting terminal and the switching element; a heater for melting the temperature fuse; a voltage detection unit for detecting a voltage relating to the conductive path; a first abnormality detection unit for detecting occurrence of a first abnormality that is pre-set as a recoverable abnormality; a second abnormality detection unit for detecting occurrence of a second abnormality that is pre-set as an abnormality on the basis of which the temperature fuse should be melted; a protection control unit for turning OFF the switching element when the first abnormality is detected by the first abnormality detection unit; and a heater control unit for executing a temperature fuse melting process of applying the voltage of the conductive path to the heater when the second abnormality is detected by the second abnormality detection unit and the voltage detected by the voltage detection unit is not less than a predetermined threshold voltage. | 11-10-2011 |
20110279094 | FULL CHARGE CAPACITY CORRECTION CIRCUIT, CHARGING SYSTEM, BATTERY PACK AND FULL CHARGE CAPACITY CORRECTION METHOD - A full charge capacity correction circuit including: an integrating unit that calculates an integrated current value of a rechargeable battery; a capacity storing unit that stores a full charge capacity value of the rechargeable battery; a first estimating unit that estimates a storage ratio of the rechargeable battery, which is a ratio of a quantity of stored electricity to an actual full charge capacity, as a first storage ratio when an estimable condition which is a condition that enables to estimate the storage ratio is satisfied; a second estimating unit that estimates a storage ratio when the estimable condition is satisfied after the first storage ratio is estimated, as a second storage ratio; a full charge capacity correction unit that estimates a new full charge capacity value of the rechargeable battery based on a difference integrated value that is an integrated value integrated by the integrating unit for a period after the first storage ratio is estimated and until the second storage ratio is estimated by the second estimating unit and on a ratio of a difference between the first storage ratio and the second storage ratio to 1, and stores the estimated new full charge capacity value in the capacity storing unit; an open circuit ratio estimating unit that uses a condition in which the rechargeable battery is in an open circuit state, as the estimable condition, and estimates the storage ratio based on a terminal voltage of the rechargeable battery when the estimable condition is satisfied; and a correction control unit that uses the open circuit ratio estimating unit as the first estimating unit or the second estimating unit. | 11-17-2011 |
20120105014 | FULL CHARGE CAPACITY VALUE CORRECTION CIRCUIT, BATTERY PACK, AND CHARGING SYSTEM - A full charge capacity value correction circuit, has: a current detection portion which detects a current value of current flowing in a secondary battery; a voltage detection portion which detects a terminal voltage value of the secondary battery; a capacity storage portion which stores a full charge capacity value indicating a full charge capacity of the secondary battery; a remaining quantity calculation portion which calculates, as a accumulated remaining quantity, a remaining charging quantity in the secondary battery from a total value obtained by cumulatively adding charged electrical quantities and subtracting discharged electrical quantities in the secondary battery, based on charge/discharge currents of the secondary battery detected by the current detection portion; a remaining quantity estimation portion which estimates, as an estimated remaining quantity, a remaining quantity of the secondary battery by using a terminal voltage value detected by the voltage detection portion; and a full charge capacity value correction portion which, when an estimated remaining quantity estimated by the remaining quantity estimation portion becomes equal to a reference value set in advance, in a case where the estimated remaining quantity is greater than the accumulated remaining quantity, adds a difference electrical quantity, which is equivalent to a difference between the thus estimated remaining quantity and accumulated remaining quantity calculated by the remaining quantity calculation portion, to the full charge capacity value stored in the capacity storage portion, but in a case where the estimated remaining quantity is less than the accumulated remaining quantity, subtracts the difference electrical quantity from the full charge capacity value stored in the capacity storage portion. | 05-03-2012 |
20120112700 | CIRCUIT FOR COUNTING NUMBER OF CYCLES, BATTERY PACK AND BATTERY SYSTEM - A circuit for counting a number of cycles, including: a current detecting portion that detects a current value of a current flowing to a secondary battery; a current integrating portion that calculates, as an integrated electric quantity, an integrated value of the current value detected by the current detecting portion; a cycle electric quantity setting portion that successively sets a cycle electric quantity corresponding to one cycle of a cycle life of the secondary battery; and a cycle counting portion that counts a number of cycles of the cycle life, wherein the cycle counting portion adds one to the last counted number of cycles when an increment of the integrated electric quantity calculated by the current integrating portion after the number of cycles is counted last time reaches a last set cycle electric quantity, and the cycle electric quantity setting portion decreases a predetermined decrement from the last set cycle electric quantity to set a new cycle electric quantity when the increment of the integrated electric quantity calculated by the current integrating portion after the number of cycles is counted last time reaches the last set cycle electric quantity. | 05-10-2012 |