| Patent application number | Description | Published |
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| 20080237333 | PORTABLE ELECTRONIC DEVICE AND CONTROL METHOD OF PORTABLE ELECTRONIC DEVICE - An IC card used as a portable electronic device includes a CPU which performs various processes by executing control programs, a memory which stores data files, and a communicating portion which communicates with an external device. When receiving a command from the external device via the communicating portion, the CPU of the IC card determines whether or not a process corresponding to the command for the data string specified by the command received from the external device can be performed based on one of access conditions set for the respective data strings in the files stored in the memory and performs a command process when it is determined in the above determining process that the command process for the data string specified by the command can be performed. | 10-02-2008 |
| 20100332916 | PORTABLE ELECTRONIC APPARATUS, PROCESSING APPARATUS FOR PORTABLE ELECTRONIC APPARATUS, AND DATA PROCESSING METHOD IN PORTABLE ELECTRONIC APPARATUS - A smart card comprises a storage unit in which various data are stored, a communication unit to perform data communication with an external apparatus, and a processing unit which executes processing corresponding to a command received via the communication unit. The processing unit of the smart card detects data judged to have data abnormality from the data stored in the storage unit in a case where the command received from the external apparatus is an abnormal data confirmation command, and notifies the external apparatus of response data including information indicating the data in which the data abnormality has been detected by the detection. | 12-30-2010 |
| 20110066257 | PORTABLE ELECTRONIC APPARATUS, CONTROL METHOD FOR PORTABLE ELECTRONIC APPARATUS, AND IC CARD - According to one embodiment, a portable electronic apparatus includes a receiving section configured to receive from an external device an instruction for a transition from an active state to a state in which processing is temporarily interrupted, a recognition section configured to recognize a processing method in a state established in the active state based on processing specification information contained in the instruction, and a controller configured to maintain the state established in the active state even in the state for the temporary interruption or restore an initial state before the establishment. | 03-17-2011 |
| 20120067947 | IC CARD, MOBILE ELECTRONIC DEVICE AND DATA PROCESSING METHOD IN IC CARD - According to one embodiment, an IC card includes a communication module, a first command processing module, a determining module, a second command processing module, a response processing module. The first command processing module performs a process corresponding to a first command received from the external device. The determining module determines whether a second command is contained in a data portion of the first command. The second command processing module performs a process corresponding to the second command if the determining module determines that the second command is contained in the data portion of the first command. The response processing module sets a processing result of the second command executed by the second command processing module in the data portion of the response indicating a processing result of the first command executed by the first command processing module and transmit the same to the external device. | 03-22-2012 |
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| 20100189143 | WAVELENGTH TUNABLE LASER - A wavelength tunable laser includes a first facet including a high reflection coating film; a gain region disposed adjacent to the first facet, the gain region including two or more light emitting devices that are arranged parallel to one another; an optical wavelength multiplexer optically connected to the light emitting devices; and an optical reflector disposed adjacent to a second facet opposite the first facet, the optical reflector having a reflection spectrum with periodic reflection peaks. The optical wavelength multiplexer is disposed between the gain region and the optical reflector, and the optical reflector and the first facet including the high reflection coating film form a laser cavity. | 07-29-2010 |
| 20100254422 | SEMICONDUCTOR LASER - A wavelength tunable laser according to the present invention includes a first facet and a second facet opposite the first facet, a reflective region provided adjacent to the second facet, and a gain region provided between the first facet and the reflective region. The reflective region has a plurality of reflection peak wavelengths that periodically vary at a predetermined wavelength interval. The first facet and the reflective region constitute a laser cavity. Furthermore, the gain region includes an active layer where light is generated, a diffraction grating layer having a diffraction grating whose grating pitch varies in a light propagation direction, a refractive-index control layer provided between the active layer and the diffraction grating layer, a first electrode for injecting current into the active layer, and a plurality of second electrodes arranged in the light propagation direction to inject current into the refractive-index control layer. | 10-07-2010 |
| 20100284019 | SEMICONDUCTOR INTEGRATED OPTICAL DEVICE AND METHOD OF MAKING THE SAME - A semiconductor integrated optical device includes a group III-V compound semiconductor substrate, a semiconductor optical device region, and an optical waveguide region. The semiconductor optical device region and the optical waveguide region are arranged on the group III-V compound semiconductor substrate. The semiconductor optical device region has a first optical waveguide made of group III-V compound semiconductor. The optical waveguide region has a second optical waveguide optically coupled with the first optical waveguide. The optical waveguide region further includes a silicon oxide layer. The silicon oxide layer is disposed between the group III-V compound semiconductor substrate and the second optical waveguide. The second optical waveguide is made of semiconductor which is different from the group III-V compound semiconductor. | 11-11-2010 |
| 20100296539 | SEMICONDUCTOR LASER AND METHOD FOR MANUFACTURING THE SAME - A semiconductor laser according to the present invention includes a first reflective region and a second reflective region disposed opposite to the first reflective region in a predetermined direction of an optical axis. The first reflective region has a plurality of gain waveguides each including an active layer and a plurality of refractive-index controlling waveguides each having a first diffraction grating formed therein. The gain waveguides and the refractive-index controlling waveguides are alternately arranged at a predetermined pitch in the direction of the optical axis. The second reflective region has a second diffraction grating. | 11-25-2010 |
| 20100316074 | SEMICONDUCTOR LASER - A semiconductor laser includes a semiconductor laser region and a wavelength-monitoring region. The semiconductor laser region includes a first optical waveguide that includes a gain waveguide, the first optical waveguide having one end and another end opposite the one end. The wavelength-monitoring region includes a second optical waveguide that is optically coupled to the first optical waveguide with the one end therebetween, and a photodiode structure that is optically coupled to the second optical waveguide. In the wavelength-monitoring region, the second optical waveguide is branched into three or more optical waveguides, and at least two optical waveguides among the three or more optical waveguides form first ring resonators having optical path lengths different from each other. | 12-16-2010 |
| 20110051772 | SEMICONDUCTOR LASER DEVICE - A semiconductor laser device includes a laser diode provided on a semiconductor substrate, the laser diode including a first optical waveguide having a gain waveguide, a plurality of photodiodes, a first wavelength-selective filter having periodic transmission peaks, and a second wavelength-selective filter having periodic transmission peaks, the period of the transmission peaks of the second wavelength-selective filter being different from the period of the transmission peaks of the first wavelength-selective filter. Furthermore, two photodiodes among the plurality of photodiodes are optically coupled to the first optical waveguide through the first and second wavelength-selective filters, respectively. | 03-03-2011 |
| 20110235659 | SEMICONDUCTOR LASER - A semiconductor laser includes a light emission end facet; a first optical waveguide extending in a predetermined optical-axis direction, the first optical waveguide being optically coupled to the light emission end facet; a ring resonator having a plurality of periodic transmittance peak wavelengths, the ring resonator being optically coupled to the first optical waveguide; a plurality of gain waveguides that generate light by injection of current; an optical coupler portion that optically couples the first optical waveguide to each of the plurality of gain waveguides; and a plurality of second optical waveguides including diffraction gratings, the plurality of second optical waveguides being respectively optically coupled to the plurality of gain waveguides. Also, each of the diffraction gratings in the plurality of second optical waveguides has a different reflection band. | 09-29-2011 |
| 20110235667 | SEMICONDUCTOR LASER - A semiconductor laser includes a gain region; a distributed Bragg reflector (DBR) region including a diffraction grating; an end facet facing the DBR region with the gain region arranged therebetween; a first ring resonator including a first ring-like waveguide and a first optical coupler; a second ring resonator including a second ring-like waveguide and a second optical coupler; and an optical waveguide that is optically coupled to the end facet and extending in a predetermined optical-axis direction. The first and second ring resonators are optically coupled to the optical waveguide through the first and second optical couplers, respectively. Also, the DBR region, the gain region, and the end facet constitute a laser cavity. Further, the first ring resonator has a free spectral range different from a free spectral range of the second ring resonator. | 09-29-2011 |
| 20120033284 | SEMICONDUCTOR OPTICAL MODULATION DEVICE, MACH-ZEHNDER INTERFEROMETER TYPE SEMICONDUCTOR OPTICAL MODULATOR, AND METHOD FOR PRODUCING SEMICONDUCTOR OPTICAL MODULATION DEVICE - A semiconductor optical modulation device includes a substrate; a first semiconductor cladding layer of a first conductivity type disposed on the substrate; an optical waveguide layer disposed on the first semiconductor cladding layer, the optical waveguide layer including a first semiconductor optical confinement layer, a second semiconductor optical confinement layer, and an insulating layer disposed between the first semiconductor optical confinement layer and the second semiconductor optical confinement layer, the insulating layer being made of aluminum oxide; a second semiconductor cladding layer of a second conductivity type disposed on the optical waveguide layer; a first electrode electrically connected to the first semiconductor cladding layer; and a second electrode electrically connected to the second semiconductor cladding layer. | 02-09-2012 |
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| 20090147102 | Electronic Camera - Disclosed herein is an electronic camera for generating an image having a wide dynamic range by synthesizing two image pickup signals of different exposure amount generated by using an electronic shutter function and means for shutting off light, shading of image pickup signals resulting from difference in charge accumulating time among the pixels of image pickup device due to operation from opened state to closed state of the means for shutting off light being corrected by a shading correction means to form a synthesized image without an occurrence of false color due to shading. Also provided is an electronic camera generating two image pickup signals of different exposure amount by two shots of picture taking each using a flash emission in combination, at least one of an electronic shutter of image pickup device and means for shutting off light, as well as an emission of the flash emission means, being controlled to equalize between the two shots of picture taking ratio of exposure by normal light excluding light from the flash emission means and ratio of emission amount by the light from the flash emission means so that the two image pickup signals can be readily generated as having a predetermined exposure amount ratio in every part of a frame of picture even when a flash emission is used in combination. | 06-11-2009 |
| 20100110224 | ELECTRONIC CAMERA - Disclosed herein is an electronic camera for generating an image having a wide dynamic range by synthesizing two image pickup signals of different exposure amount generated by using an electronic shutter function and means for shutting off light, shading of image pickup signals resulting from difference in charge accumulating time among the pixels of image pickup device due to operation from opened state to closed state of the means for shutting off light being corrected by a shading correction means to form a synthesized image without an occurrence of false color due to shading. Also provided is an electronic camera generating two image pickup signals of different exposure amount by two shots of picture taking each using a flash emission in combination, at least one of an electronic shutter of image pickup device and means for shutting off light, as well as an emission of the flash emission means, being controlled to equalize between the two shots of picture taking ratio of exposure by normal light excluding light from the flash emission means and ratio of emission amount by the light from the flash emission means so that the two image pickup signals can be readily generated as having a predetermined exposure amount ratio in every part of a frame of picture even when a flash emission is used in combination. | 05-06-2010 |
| 20120057058 | ELECTRONIC CAMERA FOR SYNTHESIZING TWO IMAGES HAVING A WHITE BALANCE CORRECTION - An electronic camera for generating an image having a wide dynamic range by synthesizing two image pickup signals of different exposure amount generated by using an electronic shutter function and unit for shutting off light, shading of image pickup signals resulting from difference in charge accumulating time among the pixels of image pickup device due to operation from opened state to closed state of the unit for shutting off light being corrected by a shading correction unit to form a synthesized image without an occurrence of false color due to shading. | 03-08-2012 |
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| 20090089276 | SYSTEMS, METHODS AND COMPUTER PRODUCTS FOR A MONITORING CONTEXT GENERATOR - Systems, methods and computer products for generating calculation context classes from a relationship between structured data and a calculation procedure, the context classes having parent-child relationships. Exemplary embodiments include a method including searching the calculation procedure for a first data definition, generating a first context from a first scope applied to the first data definition, tracing back the calculation procedure to obtain a second data definition for calculating the first data definition and to which the first scope is applied, copying the calculation procedure into the first context until the second data definition is obtained, obtaining a second scope applied to the second data definition, obtaining a second context generated from the second scope, determining an existence of an order comparison of the first scope with the second scope and obtaining order from the structured data. | 04-02-2009 |
| 20090276473 | METHOD AND APPARATUS FOR MAINTAINING CONSISTENCY BETWEEN DATABASE AND VIRTUAL TABLE - A method and system for maintaining consistency between a view of a virtual table and the database. The method includes: First, selecting a discard candidate instance from a discard candidate list table in accordance with an LRU algorithm if it is judged that there is less free space for adding an instance. Then, judging whether a revision wait flag is on for the discard candidate instance. If it is judged that the revision wait flag is on, deleting the discard candidate instance from the discard candidate list table. If it is judged that the revision wait flag is not on, deleting the discard candidate instance from the instance pool and adding the instance to the instance pool. Lastly, adding the requested instance to the instance pool if it is judged that there is enough storage area. | 11-05-2009 |
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| 20110074018 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - In one embodiment, a method of manufacturing a semiconductor device is disclosed. The method includes forming a cured film of an insulation resin on a surface of a first semiconductor chip and flip-chip bonding a second semiconductor via a bump on the first semiconductor chip on which the cured film of the insulation resin is formed. The insulation resin can be cured at temperature range from (A−50)° C. to (A+50)° C., wherein “A” is a solidification point of the bump. | 03-31-2011 |
| 20110076801 | METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE - According to a manufacturing method of one embodiment, a first solder bump and a second solder bump are aligned and placed in contact with each other, and thereafter, the first and second solder bumps are heated to a temperature equal or higher than a melting point of the solder bumps and melted, whereby a partially connection body of the first solder bump and the second solder bump is formed. The partially connection body is cooled. The cooled partially connection body is heated to a temperature equal to or higher than the melting point of the solder bump in a reducing atmosphere, thereby to form a permanent connection body by melting the partially connection body while removing an oxide film existing on a surface of the partially connection body. | 03-31-2011 |
| 20120001324 | SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - In one embodiment, a semiconductor device includes a circuit substrate, and first and second semiconductor chips mounted on it. The first semiconductor chip and the second semiconductor chip are flip-chip connected, and an underfill resin is filled between them. The underfill resin has a fillet portion. A thickness T | 01-05-2012 |
| 20120015687 | SEMICONDUCTOR PACKAGE AND MOBILE DEVICE USING THE SAME - According to an embodiment, a semiconductor package includes a semiconductor chip mounted on an interposer board, a encapsulant sealing the semiconductor chip, and a conductive shielding layer covering the encapsulant and at least part of a side surface of the interposer board. The interposer board has plural vias through an insulating substrate. A part of the plural vias has a cutting plane exposing to the side surface of the interposer board and cut in a thickness direction of the interposer board. The cutting plane of the via is electrically connected to the conductive shielding layer. | 01-19-2012 |
