Patent application number | Description | Published |
20080237049 | Ion-implanted electroformed structural material and method of producing the structural material - An ion-implanted electroformed structural material is made of an electroformed body formed by electroforming and has an ion-implanted layer formed by implanting ions into the electroformed body. In the electroformed structural material, the microstructure is modulated at a position deeper than the ion-implanted layer, and the hardness becomes higher than that of the original electroformed body even at a position deeper than the ion-implanted layer. | 10-02-2008 |
20080296163 | Structure and method of manufacturing the same - A structure including tungsten as a main component and tungsten carbide and a method of manufacturing the structure are provided, wherein the content of carbon is at least 0.1% by mass and the total content of cobalt, nickel, and iron is 3% or less by mass, respectively based on the structure. | 12-04-2008 |
20090108731 | ELECTRODE FOR COLD-CATHODE FLUORESCENT LAMP - A cold-cathode fluorescent lamp having high brightness with long life and an electrode for this lamp are offered. At least one part of the electrode surface is formed by using one material selected from the group consisting of rhodium, palladium, and alloys of these. For example, a surface layer made of the foregoing material is formed on a base. To increase the bonding strength between the surface layer and the base, a bonding layer made of gold or gold alloy is formed on the base. Because a metal such as rhodium is resistant to alloying with mercury and has a high melting point, a cold-cathode fluorescent lamp provided with an electrode made of the foregoing metal can suppress not only the consumption of the mercury due to the formation of an amalgam but also the reduction in brightness due to insufficient discharging. Furthermore, because the lamp can suppress the consumption of the mercury and electrode, the lamp has long life. | 04-30-2009 |
20090128001 | ELECTRODE FOR COLD-CATHODE FLUORESCENT LAMP - A cold-cathode fluorescent lamp having high brightness with long life and an electrode for this lamp are offered. The electrode comprises a base and a covering layer that covers the surface of the base. The base is formed of one metal selected from nickel, a nickel alloy, iron, and an iron alloy. Consequently, a base having a shape, such as a cup, can be easily produced. The covering layer comprises (a) a surface layer made of tungsten or molybdenum and (b) a bonding layer that is made of zinc alloy and that is placed between the base and the surface layer. In comparison with nickel and iron, tungsten and molybdenum are resistant to sputtering, have a small work function, and have a high melting point. The presence of the bonding layer enables sufficient bonding between the surface layer and base. A cold-cathode fluorescent lamp provided with the foregoing electrode can suppress the reduction in brightness and the consumption of the electrode. Therefore, it has high brightness and long life. | 05-21-2009 |
20100243456 | MOLTEN SALT BATH, METHOD FOR PREPARING THE SAME, AND TUNGSTEN FILM - A molten salt bath contains tungsten and has a water content of 100 ppm or less and an iron content of 500 ppm or less. The molten salt bath from which high-quality tungsten can be stably deposited, a method for preparing the molten salt bath, and a tungsten film are provided. | 09-30-2010 |
20110036726 | GAS DECOMPOSITION APPARATUS AND METHOD FOR DECOMPOSING GAS - [Object] To provide a gas decomposition apparatus and a gas decomposition method in which no safety problems occur in spite of the application of a relatively high voltage between an anode and a cathode for the purpose of decomposing odorous gases of many types. | 02-17-2011 |
20120058393 | BATTERY AND ENERGY SYSTEM - A battery including a positive electrode, a negative electrode mainly composed of sodium, and an electrolyte provided between the positive electrode and the negative electrode, the electrolyte being molten salt containing anions expressed with chemical formula (I) below and cations of metal, | 03-08-2012 |
20120067730 | MANUFACTURING METHOD OF ALUMINUM STRUCTURE AND ALUMINUM STRUCTURE - A porous resin article having a three-dimensional network structure is used. A resin molded body at least the surface of which has been subjected to conductive treatment is plated with aluminum in a molten salt bath to form an aluminum structure, thus forming a porous aluminum that includes an aluminum layer having a thickness in the range of 1 to 100 μm, has an aluminum purity of 98.0% or more and a carbon content of 1.0% or more and 2% or less, and contains inevitable impurities as the balance. Even with a porous resin molded body having a three-dimensional network structure, this allows the surface of the porous resin molded body to be plated with aluminum, thus forming a high-purity aluminum structure having a uniform thick film. | 03-22-2012 |
20120067731 | MANUFACTURING METHOD OF ALUMINUM STRUCTURE AND ALUMINUM STRUCTURE - There is provided a manufacturing method of an aluminum structure, including a conductive treatment process of forming an electrically conductive layer made of aluminum on a surface of a resin molded body and a plating process of plating the resin molded body subjected to the conductive treatment process with aluminum in a molten salt bath. Even with a porous resin molded body having a three-dimensional network structure, the method allows the surface of the porous resin molded body to be plated with aluminum, thus forming a high-purity aluminum structure having a uniform thick film. Porous aluminum having a large area is also provided. | 03-22-2012 |
20120070735 | METHOD FOR PRODUCING POROUS METAL BODY, POROUS ALUMINUM BODY, BATTERY ELECTRODE MATERIAL INCLUDING POROUS METAL BODY OR POROUS ALUMINUM BODY, AND ELECTRODE MATERIAL FOR ELECTRICAL DOUBLE LAYER CAPACITOR - A porous metal body containing continuous pores and having a low oxygen content is provided by decomposing a porous resin body that contains continuous pores and has a layer of a metal thereon by heating the porous resin body at a temperature equal to or less than the melting point of the metal while the porous resin body is immersed in a first molten salt and a negative potential is applied to the metal layer; and a method for producing the porous metal body is provided. | 03-22-2012 |
20120100392 | METAL LAMINATED STRUCTURE AND METHOD FOR PRODUCING THE METAL LAMINATED STRUCTURE - There is provided a metal laminated structure comprising a first metal layer, a second metal layer and a third metal layer, the first metal layer being disposed on one surface of the second metal layer, the third metal layer being disposed on the other surface of the second metal layer, the first metal layer including at least one of tungsten and molybdenum, the second metal layer including copper, the third metal layer including at least one of tungsten and molybdenum, and a method for producing the metal laminated structure. | 04-26-2012 |
20120115002 | MOLTEN SALT BATTERY - To provide a molten salt battery which is highly safe and has long charge/discharge cycle life. The molten salt battery of the present invention includes a negative electrode | 05-10-2012 |
20120154982 | CAPACITOR, AND METHOD FOR PRODUCING THE SAME - A capacitor has a positive electrode, a negative electrode, and a solid electrolyte layer arranged between the electrode layers. At least one of the electrode layers of this capacitor has an Al porous body, and an electrode body held in this Al porous body to polarize the electrolyte. The oxygen content in the surface of the Al porous body is 3.1% by mass or less. The matter that the oxygen content in the surface of the Al porous body is 3.1% by mass or less is equal to the matter that a high-resistance oxide film is hardly formed on the surface of the Al porous body. Thus, this Al porous body makes it possible to make the current collector area of the electrode layer large so that the capacitor can be improved in capacity. | 06-21-2012 |
20120171524 | MOLTEN SALT BATTERY DEVICE, AND METHOD FOR CONTROLLING TEMPERATURE OF MOLTEN SALT BATTERY - In a molten salt battery device, molten salt batteries are arranged in a container to cause a space to be present around the molten salt batteries, and a heating medium is filled into the space around the molten salt batteries. When an electrothermal heater is used to control the temperature of the heating medium through a temperature controlling section, the heating medium is caused to flow. Between the flowing heating medium and the molten salt batteries, heat is exchanged, whereby the molten salt battery device controls the temperature of the molten salt batteries. Since the molten salt batteries attain the heat exchange with the heating medium, which surrounds the batteries, the internal temperature thereof is evenly controlled. Moreover, the molten salt battery device makes it possible to lower the temperature of the heating medium to cool the molten salt batteries easily. | 07-05-2012 |
20120208079 | METHOD FOR PRODUCING NEGATIVE ELECTRODE PRECURSOR MATERIAL FOR BATTERY, NEGATIVE ELECTRODE PRECURSOR MATERIAL FOR BATTERY, AND BATTERY - A negative electrode precursor material is provided for preparing a negative electrode, which has a reduced thickness, good current collecting performance, and suppresses deformation and generation of dendrites during operation. A molten salt battery comprises a positive electrode formed by providing an active material film on an Al current collector, a separator comprising a glass cloth impregnated with a molten salt as an electrolyte, and the negative electrode formed by providing a Zn film and an active material film on an Al, current collector, which are respectively contained in a substantially rectangular parallelepiped Al case. The active material absorbs and releases Na ions contained in the molten salt. | 08-16-2012 |
20120321951 | METHOD FOR PRODUCING POROUS METAL BODY, POROUS ALUMINUM BODY, BATTERY ELECTRODE MATERIAL INCLUDING POROUS METAL BODY OR POROUS ALUMINUM BODY, AND ELECTRODE MATERIAL FOR ELECTRICAL DOUBLE LAYER CAPACITOR - A porous metal body containing continuous pores and having a low oxygen content is provided by decomposing a porous resin body that contains continuous pores and has a layer of a metal thereon by heating the porous resin body at a temperature equal to or less than the melting point of the metal while the porous resin body is immersed in a first molten salt and a negative potential is applied to the metal layer; and a method for producing the porous metal body is provided. | 12-20-2012 |
20120321952 | METHOD FOR PRODUCING POROUS METAL BODY, POROUS ALUMINUM BODY, BATTERY ELECTRODE MATERIAL INCLUDING POROUS METAL BODY OR POROUS ALUMINUM BODY, AND ELECTRODE MATERIAL FOR ELECTRICAL DOUBLE LAYER CAPACITOR - A porous metal body containing continuous pores and having a low oxygen content is provided by decomposing a porous resin body that contains continuous pores and has a layer of a metal thereon by heating the porous resin body at a temperature equal to or less than the melting point of the metal while the porous resin body is immersed in a first molten salt and a negative potential is applied to the metal layer; and a method for producing the porous metal body is provided. | 12-20-2012 |
20140102913 | GAS DECOMPOSITION APPARATUS AND METHOD FOR DECOMPOSING GAS - [Object] To provide a gas decomposition apparatus and a gas decomposition method in which no safety problems occur in spite of the application of a relatively high voltage between an anode and a cathode for the purpose of decomposing odorous gases of many types. | 04-17-2014 |
20150137737 | POWER SUPPLY SYSTEM FOR WELL - Provided is a power supply system capable of being used in a well over a long period of time. A power supply system for a well according to the present invention includes a secondary battery having an operating temperature range including a temperature of the inside of a well and supplying power to a device installed in the well; and a charge-discharge mechanism for charging and discharging the secondary battery, and is installed in the well. The secondary battery to be used in the power supply system may be a molten salt battery, and may include a sensor and communication apparatus. | 05-21-2015 |
20150140378 | MOLTEN SALT BATTERY AND POWER SUPPLY SYSTEM - A material design of a molten salt battery which is suitable for a temperature range in which the battery is used is shown, and a molten salt battery applicable even under a severe environment where vibrations are given is provided. In the molten salt battery according to the present invention, the operating temperature range of 25° C. to 300° C. is divided into ranges of 25° C. to 120° C., 80° C. to 140° C. and 140° C. to 300° C., and for each temperature range, a material that is a choice is defined for each of an outer package, a binder, an anode active material and a separator as well as an electrolytic solution. Further, the molten salt battery includes a vibration controlling portion for reducing vibrations given to the outer package. As for the electrolytic solution, for example, an electrolytic solution containing an organic cation and FSA as an anion, or NaFSA is suitable for the range of 25° C. to 120° C., an electrolytic solution containing a mixture of NaFSA-KFSA is suitable for the range of 80° C. to 140° C., and an electrolytic solution containing a mixture of NaTFSA-CsTFSA is suitable for the range of 140° C. to 300° C. | 05-21-2015 |
20160049661 | THREE-DIMENSIONAL NET-LIKE ALUMINUM POROUS BODY, ELECTRODE USING THE ALUMINUM POROUS BODY, NONAQUEOUS ELECTROLYTE BATTERY USING THE ELECTRODE, AND NONAQUEOUS ELECTROLYTE CAPACITOR USING THE ELECTRODE - Provided are a three-dimensional net-like aluminum porous body in which the diameter of cells in the porous body is uneven in the thickness direction of the porous body; a current collector and an electrode each using the aluminum porous body; and methods for producing these members. The porous body is a three-dimensional net-like aluminum porous body in a sheet form, for a current collector, in which the diameter of cells in the porous body is uneven in the thickness direction of the porous body. When a cross section in the thickness direction of the three-dimensional net-like aluminum porous body is divided into three regions of a region | 02-18-2016 |
Patent application number | Description | Published |
20140285997 | PHOSPHOR, LIGHT-EMITTING DEVICE, IMAGE PICKUP DEVICE, LIQUID CRYSTAL DISPLAY DEVICE, LIGHTING DEVICE, AND VEHICLE - The present disclosure provides a (Ba | 09-25-2014 |
20150055358 | YELLOW FLUORESCENT SUBSTANCE, LIGHT-EMITTING DEVICE, ILLUMINATION DEVICE, AND VEHICLE - The present invention provides an oxynitride silicate fluorescent substance capable of output a light having a high luminance even when irradiated by an exciting light having a high energy density. The present invention is a yellow fluorescent substance represented by a chemical formula (Ba | 02-26-2015 |
20150060916 | LIGHT SOURCE DEVICE, ILLUMINATING DEVICE COMPRISING THE SAME, AND VEHICLE - A light source device is provided. The light source device comprises a semiconductor light-emitting element; and a wavelength conversion member for converting a wavelength of a light emitted from the semiconductor light-emitting element. The semiconductor light-emitting element has a light-emitting peak wavelength of not less than 380 nanometers and not more than 420 nanometers. The light emitted from the semiconductor light-emitting element has a light energy density of not less than 0.2 kW/cm | 03-05-2015 |
20150102722 | WAVELENGTH CONVERSION BOARD AND ILLUMINATION DEVICE COMPRISING THE SAME - The present invention provides a wavelength conversion board comprising a substrate; one or more fluorescence members each containing a fluorescence substance for converting excitation light into fluorescence, the fluorescence member being disposed on or above the substrate; and a flexible gel disposed around the fluorescence member. The present invention also provides a wavelength conversion board comprising a substrate; a fluorescence member containing fluorescence substance for converting excitation light into fluorescence, the fluorescence member being disposed on or above the substrate; a fluent material disposed around the fluorescence member; a light-transmissive plate parallel to the substrate; and a sealing member disposed around the fluent material in a cross section of the wavelength conversion board. The fluorescence member is interposed between the light-transmissive plate and the substrate in the cross section of the wavelength conversion board. | 04-16-2015 |
20150152327 | PHOSPHOR MATERIAL AND LIGHT-EMITTING DEVICE - A phosphor material according to an embodiment of the present disclosure contains a major component represented by the formula A | 06-04-2015 |
20150153010 | OXYCHLORIDE PHOSPHOR, LIGHT EMITTING DEVICE, LIGHTING APPARATUS, AND VEHICLE - An oxychloride phosphor of the present disclosure includes divalent Eu arranged as an augmenting agent, at part of locations. The locations correspond to site of at least two kinds of predetermined substances included in a host crystal. A rate of the number of the divalent Eu with respect to the sum of the number of moles of the predetermined substance and the number of moles of the divalent Eu is less than 2%. When the predetermined substance is represented by A, the oxychloride phosphor is represented by a general formula of xAO.yEuO.SiO | 06-04-2015 |
20150218445 | RED PHOSPHOR MATERIAL AND LIGHT-EMITTING DEVICE - A red phosphor material includes an essential component represented by a formula of A | 08-06-2015 |
20150218446 | RED PHOSPHOR MATERIAL AND LIGHT-EMITTING DEVICE - A red phosphor material comprising an essential component represented by a formula of ALn | 08-06-2015 |
20150249183 | LIGHT-EMITTING DEVICE AND LIGHT-EMITTING APPARATUS - A light-emitting device includes a photoluminescent layer that emits light containing first light, a light-transmissive layer located on or near the photoluminescent layer, and one or more reflectors. A submicron structure is defined on at least one of the photoluminescent layer and the light-transmissive layer. The one or more reflector are located outside the submicron structure. The submicron structure includes at least projections or recesses and satisfies the following relationship: | 09-03-2015 |
20150249186 | LIGHT-EMITTING DEVICE AND LIGHT-EMITTING APPARATUS - A light-emitting device includes a photoluminescent layer that emits light containing first light, and a light-transmissive layer located on or near the photoluminescent layer. A submicron structure is defined on at least one of the photoluminescent layer and the light-transmissive layer. The submicron structure includes at least projections or recesses. The submicron structure has spatial frequency components distributed at least from more than 0 to 2/D | 09-03-2015 |
20150249187 | LIGHT-EMITTING DEVICE AND LIGHT-EMITTING APPARATUS - A light-emitting device includes a photoluminescent layer that emits light containing first light, a light-transmissive layer located on or near the photoluminescent layer, a low-refractive-index layer and a high-refractive-index layer. A submicron structure is defined on the photoluminescent layer and/or the light-transmissive layer. The low-refractive-index layer is located on or near the photoluminescent layer so that the photoluminescent layer is located between the low-refractive-index layer and light-transmissive layer. The high-refractive-index layer is located on or near the low-refractive-index layer so that the low-refractive-index layer is located between the high-refractive-index layer and the photoluminescent layer. The submicron structure includes at least projections or recesses and satisfies the following relationship: | 09-03-2015 |
20150291880 | PHOSPHOR, LIGHT-EMITTING DEVICE INCLUDING SAID PHOSPHOR, PROJECTOR, HEAD-UP DISPLAY AND VEHICLE INCLUDING SAID LIGHT-EMITTING DEVICE - A phosphor includes a host crystal including Sr | 10-15-2015 |
20160077415 | WAVELENGTH CONVERSION MEMBER, LIGHT EMITTING DEVICE, PROJECTOR, AND METHOD OF MANUFACTURING WAVELENGTH CONVERSION MEMBER - A wavelength conversion member includes a substrate, a dichroic mirror layer, an SiO | 03-17-2016 |
Patent application number | Description | Published |
20100245906 | IMAGE FORMING APPARATUS - An image forming apparatus includes an output image forming unit that forms an output image from an image-repeat image which is obtained by arranging a plurality of input images on one recording medium based on predetermined repeat conditions, a preview image generating unit that generates reduced images of the input images, sets arrangement positions of the reduced images based on the repeat conditions, and arranges the reduced images in the arrangement positions in accordance with the repeat conditions, thereby generating a preview image, and a display unit that displays the preview image generated by the preview image generating unit. | 09-30-2010 |
20100309517 | Image Forming Apparatus and Method - Provided is an image forming apparatus including a plurality of resources (for example, circuits) for implementing a plurality of functions and executing jobs in order of priority by using these resources. A conflict judging section determines whether any one of the resources required for a particular one of pending jobs is the same as any one of the resources required for pending jobs having a priority higher than that of the particular job. When it has been determined by the conflict judging section that any one or more of the resources required for the particular job is not the same as any of the resources required for pending jobs having a priority higher than that of the job, a job managing section provides the particular job a right of execution. | 12-09-2010 |
20130258383 | Image Processing Apparatus And Image Forming Apparatus - An linage processing apparatus according to the present disclosure includes: one or more image processing modules; a first work memory disposed in a previous position to the one or more image processing modules; a second work memory disposed in a next position to the one or more image processing modules; a decompression-rotation processing module configured to (a) read out and decompress plural pieces of compressed sub-band data of plural sub-bands which locate in plural bands at an identical position in a primary scanning direction, (b) rotate respective pieces of decompressed sub-band data, and store the pieces of rotated sub-band data in the first work memory; and a rotation-compression processing module configured to (c) read out the plural pieces of image-processed sub-band data stored in the second work memory and rotate the respective pieces of sub-band data, and (d) compress the respective pieces of rotated sub-band data. | 10-03-2013 |
20140253744 | PORTABLE APPARATUS DISPLAYING APPARATUS INFORMATION ON ELECTRONIC APPARATUS - A portable apparatus includes an image capturing device, a display device, an indoor image acquisition unit, an apparatus position acquisition unit, an apparatus information acquisition unit, and a display control unit. The indoor image acquisition unit acquires an indoor image of a building having a plurality of floors. The apparatus position acquisition unit acquires a position of an electronic apparatus in real space. The apparatus information acquisition unit acquires apparatus information on the electronic apparatus. The display control unit causes the display device to display a composite image formed by combining additional information based on the apparatus information with a to-be-combined image, while linking the additional information to a position of the electronic apparatus in the to-be-combined image, this position corresponding to a relationship between the position of the electronic apparatus in real space and a position of the portable apparatus in real space. | 09-11-2014 |
20140253932 | IMAGE FORMING APPARATUS PERFORMING IMAGE ROTATION - An image forming apparatus includes an image rotation processor and an image combination unit. The image rotation processor is configured to: rotate the form image such that the direction of the upper edge of the document image on the first page matches a direction of an upper edge of a form image if the direction of the upper edge of the document image on the first page differs from the direction of the upper edge of the form image based on the form image data; and rotate a document image on each page of the second page and the subsequent pages such that the direction of the upper edge of the document image on the first page matches a direction of an upper edges of the document image on each page of the second page and the subsequent pages in a similar case. | 09-11-2014 |
20140340700 | IMAGE FORMING APPARATUS - The input image processing circuit | 11-20-2014 |
20140368845 | Image Forming Apparatus Combining Stamp Image With Original Image - An image forming apparatus includes the following: a stamp shape data generation unit configured to generate stamp shape data indicating a shape of a stamp image, wherein the stamp image includes stamp color data indicating a color of the stamp image; a stamp combining unit configured to (i) generate planes of the stamp shape data corresponding to color components of the stamp color data, wherein a color density of each plane of the stamp shape data is equal to a color density of a corresponding color component of the stamp color data, and (ii) combine the planes of the stamp shape data with respective planes of image data to form a combined image; and an output execution unit configured to execute an output operation on the combined image. | 12-18-2014 |
20150205437 | Electronic Device, Method, and Program for Supporting Touch Panel Operation - An electronic device includes a touch panel that detects operation point coordinates of touch input by a user and a line-of-sight detection section that calculates the coordinates of a gaze point on the touch panel at which a line of sight of the user is directed in a specific time range from a time point of the touch input on the touch panel by the user. The electronic device further includes a line-of-sight correction area calculation section that calculates a line-of-sight correction area in a specific range from the coordinates of the gaze point on the touch panel. The electronic device also includes an operation coordinate line-of-sight correction section that a) changes the operation point coordinates to the coordinates of the gaze point if the operation point coordinates are within the line-of-sight correction area; and b) does not change the operation point coordinates if the operation point coordinates are not within the line-of-sight correction area. | 07-23-2015 |
20150212720 | Electronic Device That Displays an Operation Screen Including an Object - Provided is an electronic device, including: a display unit that displays, on one screen, a plurality of objects to be selected by a user; a line-of-sight detection unit that detects visually-recognized coordinates on the display unit to which the user's line-of-sight is directed; an object visually-recognized time period calculation unit that calculates a time period during which the visually-recognized coordinates detected by the line-of-sight detection unit fall within a range of the object; and a selection exclusion unit that excludes the object from candidates to be selected by the user if the time period calculated by the object visually-recognized time period calculation unit is longer than a time period threshold value and a frequency at which the object is selected is higher than a frequency threshold value. | 07-30-2015 |
20150277834 | IMAGE FORMING SYSTEM, PORTABLE TERMINAL, AND IMAGE FORMATION METHOD THAT SHOWS PREVIEW OF RECEIVED IMAGE - Provided is an image forming system that has a portable terminal and an image forming apparatus. The portable terminal includes a preview image data request notice transmitting circuit, a preview image data receiving circuit, a preview image display circuit, a preview image confirmation input circuit, and a preview image data deletion notice transmitting circuit. The image forming apparatus includes a preview image data request notice receiving circuit, a preview image data generating circuit, a preview image data transmission circuit, a preview image data deletion notice receiving circuit, and an image forming apparatus preview image data deletion circuit. The portable terminal transmits a preview image data deletion notice to an image forming apparatus, when it inputs that the preview image is confirmed. Then, the image forming apparatus deletes preview image data. | 10-01-2015 |
20150286448 | IMAGE FORMING APPARATUS HAVING ENERGY SAVING FUNCTION TO CHANGE FROM NORMAL OPERATION MODE TO POWER-SAVING MODE, AND RECORDING MEDIUM THEREOF - Provided is an image forming apparatus that performs appropriately changing to the power-saving mode according to environment (luminosity) of a place that user exists, without increasing in a cost. When there is access from a portable terminal, communication circuit requests to the portable terminal for transmission of illuminance information detected by an illuminance sensor in a side of the portable terminal. Then, based on the illuminance information, mode switching circuit changes to the power-saving mode. | 10-08-2015 |
20160062289 | IMAGE FORMING APPARATUS TO BE CONTROLLED DEPENDING ON ALARM LEVEL OF DISASTER INFORMATION - Provided is an image forming apparatus that controls a user authentication and a switching action for switching into a specific operation mode (either one of first and second power saving modes, and emergency stop), depending an alarm level of disaster information. A user authentication function circuit is for performing the user authentication. An operation mode switching circuit is for switching a current operation mode into the specific operation mode. A disaster information acquire circuit is for receiving disaster information representing the alarm level. A system control circuit controls, depending on the alarm level, the user authentication operation by the user authentication function circuit and a switching of one of the operation modes by the operation mode switching circuit. The aforementioned specified operation mode is either one of the user authentication mode, the first power saving mode, the second power saving mode, and the emergency stop. | 03-03-2016 |