Patent application number | Description | Published |
20130243491 | POWDER CONTAINER, POWDER SUPPLY DEVICE, AND IMAGE FORMING APPARATUS INCLUDING SAME - A powder container includes a powder chamber for containing powder for forming images, a powder outlet formed in a face of the powder container, and a shutter assembly to open and close the powder outlet and including first and second shutters. The first shutter is movable between a sealing position to close the powder outlet and an open position to open the powder outlet and includes a pressed member to cancel retention of the first shutter at the sealing position. The second shutter includes a pressing projection that interferes with the pressed member of the first shutter and is movable between a shielding position to cover the pressed member without interference between the pressing projection and the pressed member and a releasing position to press the pressed member with the pressing projection. | 09-19-2013 |
20130315636 | DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A development device includes a developer bearer, a developer regulator to adjust an amount of developer on the developer bearer, a supply compartment adjacent to the developer bearer across a side wall formed monolithic with the development casing using an identical material, a developer supply member to transport developer in the supply compartment in an axial direction, and a channel forming member having higher rigidity than that of the side wall. The channel forming member defines, with the side wall, a supply route extending over an entire development range, through which developer moves from the supply compartment to the developer bearer, and defines, with an inner wall of the development casing, a collecting route through which developer blocked by the developer regulator is collected in the supply compartment. Both axial end portions of the channel forming member are supported by the development casing. | 11-28-2013 |
20140003843 | DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME | 01-02-2014 |
20140320906 | DATA READER AND IMAGE FORMING APPARATUS INCORPORATING SAME - A data reader includes a memory board provided to a removable member and a reading member including a reading terminal. The memory board includes a positioning opening, a ground terminal provided to the positioning opening, and a contact terminal. The reading member includes an engagement projection that fits in the positioning opening and is disposed adjacent and parallel to the reading terminal. The engagement projection includes a uniform diameter portion, a tapered portion extending from the uniform diameter portion, and an apparatus-side ground terminal to contact the ground terminal of the memory board when the engagement projection fits in the positioning opening. The apparatus-side ground terminal includes a portion projecting laterally from the uniform diameter portion from an end of the uniform diameter portion toward a reading member base and an extended portion at the end of the uniform diameter portion, covered with the tapered portion. | 10-30-2014 |
20140321886 | TONER CARTRIDGE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A toner cartridge includes a toner container to store toner and two rotary agitation members to rotate to agitate toner in the toner container. The toner container has two arc-shaped portions adjacent to each other at an inner bottom wall of the toner container. The two rotary agitation members has edges to rotate along the two arc-shaped portions with rotation phases thereof shifted from each other. The two rotary agitation members are placed with rotation trajectories thereof partially overlapping each other. | 10-30-2014 |
Patent application number | Description | Published |
20110181989 | TRANSFORMER INRUSH CURRENT SUPPRESSION APPARATUS - Inrush current suppression apparatus for suppressing a transformer inrush current including a transformer side voltage measurement unit which measures a voltage at a side of a transformer, a residual magnetic flux calculation unit which calculates three line-to-line residual magnetic fluxes, a power supply side voltage measurement unit which measures a voltage at a side of a power supply, a stable-state magnetic flux calculation unit which calculates three line-to-line stable-state magnetic fluxes, based on the voltage at the side of the power supply, a phase determination unit which determines a phase in which phases of the three line-to-line stable-state magnetic fluxes are respectively the same in polarity as phases of the three line-to-line residual magnetic fluxes, and a closing unit which closes the circuit breaker in the phase determined by the phase determination unit. | 07-28-2011 |
20130155553 | MAGNETIZING INRUSH CURRENT SUPPRESSION APPARATUS - According to one embodiment, there is provided a magnetizing inrush current suppression apparatus including a transformer-side voltage measuring unit measuring a single-phase voltage, a conversion unit converting the single-phase voltage to a three-phase voltage, a residual magnetic flux calculation unit calculating residual magnetic fluxes, a voltage measuring unit measuring a voltage on the power source side, a steady magnetic flux calculation unit calculating steady magnetic fluxes, a phase determination unit determining a phase in which polarities of the steady magnetic fluxes match polarities of the residual magnetic fluxes, and a closing unit closing the circuit breaker in the phase. | 06-20-2013 |
20130163125 | MAGNETIZING INRUSH CURRENT SUPPRESSION APPARATUS - According to one embodiment, there is provided a magnetizing inrush current suppression apparatus including an interrupting phase detection unit that detects a phase when the transformer that converts a three-phase alternating-current voltage to a single-phase alternating-current voltage is disconnected, a single-phase alternating-current voltage measurement unit that measures the single-phase alternating-current voltage on the power system side of the circuit breaker, and a closing unit that closes the circuit breaker in the detected phase, based on the measured single-phase alternating-current voltage. | 06-27-2013 |
20130300215 | INRUSH CURRENT SUPPRESSION APPARATUS - According to one embodiment, there is provided an inrush current suppression apparatus that suppresses an inrush current generated when shunt capacitors are connected to a power system, the apparatus including a voltage measurement unit measuring power source voltages, a current measurement unit measuring circuit breaker currents, a polarity determination unit determining the polarities of residual voltages, a phase section detector detecting a phase section in which the polarities of the residual voltages match the polarities of the power source voltages, and a circuit breaker closing unit closing the circuit breaker within the phase section. | 11-14-2013 |
20140016235 | INRUSH CURRENT SUPPRESSION APPARATUS - According to one embodiment, there is provided an inrush current suppression apparatus that suppresses an inrush current generated when shunt capacitors are connected to a power system. The apparatus includes a power supply voltage measurement unit measuring a power supply voltage, a circuit breaker current measurement unit measuring a circuit breaker current, a residual voltage polarity determination unit determining the polarities of three phases of a residual voltage, a specific phase determination unit determining a specific phase, a closing phase detector detecting a closing phase, and a circuit breaker closing unit closing the circuit breaker in the closing phase. | 01-16-2014 |
20140035559 | TRANSIENT RECOVERY VOLTAGE MEASURING DEVICE, TRANSIENT RECOVERY VOLTAGE MEASURING METHOD, AND TRANSIENT RECOVERY VOLTAGE MEASURING PROGRAM - A common tangent line drawn between a rise portion present from the origin to a second reference voltage and a rise portion corresponding to the second reference voltage can be easily generated through a waveform conversion. A transient recovery voltage measuring device includes a memory storing a transient recovery voltage waveform of a multiple frequency, a waveform conversion unit converting the transient recovery voltage waveform, a wave height determination unit determining two points having the same maximum value on the converted waveform, an adjustment unit adjusting the proportional constant of the waveform conversion unit to determine those two points by the wave height determination unit, a contact point detection unit obtaining two points corresponding to the determined two points determined by the wave height determination unit, and a tangent line generation unit generating a first tangent line passing through the detected two points on the transient recovery voltage waveform. | 02-06-2014 |
20140139959 | EXCITATION INRUSH CURRENT SUPPRESSION DEVICE - According to one embodiment, an excitation inrush current suppression device for suppressing excitation inrush currents flowing through a breaker of the three-phase collective operation type for opening and closing connection is configured to measure a three-phase AC voltage of the power supply bus bar to calculate prospective magnetic fluxes of the transformer, and to measure a three-phase AC voltage on the transformer side to calculate residual magnetic fluxes of the transformer after shutoff, so as to set the breaker closed when polarities of the prospective magnetic fluxes respectively agree with polarities of the residual magnetic fluxes in all of the phases respectively. | 05-22-2014 |
20140168846 | EXCITATION INRUSH-CURRENT SUPPRESSION SYSTEM - According to an embodiment, when a transformer that is connected to a first power supply through a first breaker as well as to a second power supply through a second breaker is detected to be disconnected from the power supplies, a specific phase of the three phases of the first breaker is closed to suppress an excitation inrush current, based on calculated residual magnetic fluxes and a voltage of the first power supply, and thereafter, the remaining two phases are closed. Based on the calculated residual magnetic fluxes and a voltage of the second power supply, a specific phase of the three phases of the second breaker is closed to suppress an excitation inrush current, and thereafter, the remaining two phases are closed. | 06-19-2014 |
20140192443 | MAGNETIZING INRUSH CURRENT SUPPRESSION DEVICE - According to one embodiment, there is provided a magnetizing inrush current suppression device. A closing phase determination unit determines a phase position for suppressing the magnetizing inrush current among phase positions in which the prospective magnetic flux calculated by the prospective magnetic flux calculation unit and the residual magnetic flux calculated by the residual magnetic flux calculation unit coincide between the lines of the minimum residual magnetic flux determined by the minimum residual magnetic flux determination unit, as a closing phase position. A closing unit simultaneously closes the three phases of the circuit-breaker at the determined closing phase position. | 07-10-2014 |
Patent application number | Description | Published |
20090102379 | GLASS COMPOSITION AND DISPLAY PANEL USING SAME - Disclosed is a glass composition composed of an oxide glass wherein the percentages of constitutional elements other than oxygen (O) expressed in atomic % are as follows: boron (B) is not less than 56% and not more than 72%; silicon (Si) is not less than 0% and not more than 15%; Zinc (Zn) is not less than 0% and not more than 18%; potassium (K) is not less than 8% and not more than 20%; and the total of K, sodium (Na) and lithium (Li) is not less than 12% and not more than 20%. This glass composition further may contain at least one of magnesium (Mg), calcium (Ca), strontium (Sr) and barium (Ba) in an amount of more than 0% and not more than 5%, and molybdenum (Mo) and/or tungsten (W) in an amount of more than 0% and not more than 3%. | 04-23-2009 |
20090115335 | PLASMA DISPLAY PANEL AND METHOD OF PRODUCING THE SAME - A plasma display panel of the present invention includes a display electrode ( | 05-07-2009 |
20090160334 | GLASS COMPOSITION AND DISPLAY PANEL USING THE SAME - A glass composition of the present invention is an oxide glass, in which the percentages of elements except for oxygen (O) contained therein are as follows, in terms of atom %: the amount of boron (B) exceeds 72% but does not exceed 86%, the total amount of lithium (Li), sodium (Na), and potassium (K) is 8% to 20%, the total amount of magnesium (Mg), calcium (Ca), strontium (Sr), and barium (Ba) is 1% to 8%, the amount of silicon (Si) is from 0% to less than 15%, and the amount of zinc (Zn) is from 0% to less than 2%. This glass composition further may contain molybdenum (Mo) and/or tungsten (W) in the range of more than 0% but not more than 3%. | 06-25-2009 |
20090284151 | PLASMA DISPLAY PANEL, METHOD OF MANUFACTURING THE SAME, AND PASTE FOR DISPLAY ELECTRODES OF PLASMA DISPLAY PANEL - A plasma display panel includes a pair of substrates which are opposite to each other and one of which includes display electrodes ( | 11-19-2009 |
20100314998 | PLASMA DISPLAY PANEL AND METHOD OF PRODUCING THE SAME - A plasma display panel of the present invention includes display electrodes and address electrodes that cross each other. The electrode to be covered with the first dielectric layer contains at least one selected from silver and copper. The first glass contains Bi | 12-16-2010 |