| Patent application number | Description | Published |
|---|
| 20090091427 | INFORMATION DEVICE CAPABLE OF PERFORMING WIRELESS COMMUNICATION WITH READER/WRITER DEVICE, PROGRAM, AND METHOD - An information device capable of performing wireless communication with a reader/writer device, a method, and a computer-readable medium are provided. The device includes a reception section that detects an information request signal transmitted from a reader/writer device and a transmission section that transmits a signal to the reader/writer device in response to the detection of an information request signal. The device also includes a detection data acquisition section that acquires detection data corresponding to a physical quantity or state from a sensor and a detection data storage section that stores the detection data. The device includes a control section that activates the detection data acquisition section at time intervals and inputs the acquired detection data into the detection data storage section and another control section that activates the reception section at other time intervals. | 04-09-2009 |
| 20090153331 | INFORMATION ACCESS SYSTEM, INFORMATION DEVICE, READER/WRITER AND RECORDING MEDIUM - An information access system including an information device that is adapted for radio communication with a reader/writer, the information device having a detection data acquisition unit acquiring detection data from a sensor, a detection data storage unit holding the most recent detection data, a first receiving unit detecting the reception of an RF signal, and a first transmission unit transmitting a response signal. The reader/writer is adapted for radio communication with the information device and includes a second transmission unit transmitting the information request signal, a second receiving unit receiving the response signal, an accumulation recording unit recording the received detection data, and a detection data accumulation unit accumulating, in the accumulation recording unit, the most recent detection data, and if other detection data has not been accumulated in the accumulation recording unit, accumulating the other detection data in the accumulation recording unit. | 06-18-2009 |
| 20090237252 | Radio communication system and radio communication apparatus - The radio communication system includes a radio communication apparatus having: a communication part which transmits a request signal requesting a response to a radio tag; and a radio tag which transmits a response signal in response to a reception of the request signal from the radio communication apparatus. The radio communication apparatus has an intermittent control part which makes the communication part transmit the request signal at an interval of a given stop time during a given operation time. | 09-24-2009 |
| 20090240924 | INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND COMPUTER PRODUCT - An information processing device disclosed includes a plurality of executing units for executing various processes. The information processing device and method thereof acquire setting information that indicates an operating condition with respect to each executing unit from information an operation of a main process executed by the plurality of executing units, and sets an operating state of each of the executing units based on the acquired setting information. | 09-24-2009 |
| 20090303009 | Information processing apparatus for transmitting and receiving RF signals - An information processing apparatus includes: a physical quantity detector unit which transforms a physical quantity into an electric signal and provides a detected value represented by the electric signal; a physical quantity determiner unit which determines whether the detected value is larger than a given threshold value; a timer unit which measures a time period during which it continues to be determined that the detected value is not larger than the given threshold value, in response to the determination that the detected value is not larger than the given threshold value after it is determined that the detected value is larger than the given threshold; a transmitter unit which transmits a request signal for requesting transmission of data, when the time period measured by the timer unit transcends a first given time threshold; and a receiver unit which receives transmitted data which is transmitted in response to the request signal. | 12-10-2009 |
| 20090325528 | Terminal apparatus and diversity antenna control method for the same - A terminal apparatus adapted to receive a wireless signal by antenna diversity, wherein provisions are made to reduce the number of receive circuits while also reducing the time required for antenna selection. The a terminal apparatus is adapted to receive a wireless signal by antenna diversity, and includes: a mode-of-use detection unit for detecting the mode of use of the terminal apparatus as set up by a user; a storage unit for storing priority information that predefines an antenna to be selected for use by prioritizing the plurality of antennas according to the mode of use that can be detected by the mode-of-use detection unit; and a comparator for outputting selection control information specifying at least one antenna from among the plurality of antennas by comparing the mode of use detected by the mode-of-use detection unit with the priority information stored in the storage unit. | 12-31-2009 |
| 20100026469 | INFORMATION ACCESS SYSTEM, INFORMATION STORAGE DEVICE AND READER/WRITER DEVICE - An information access system includes a reader/writer device and an information storage device. In the information storage device, a receiver unit senses a carrier of an RF signal at a first frequency for detection, in a first time period occurring at time intervals, and receives an information request signal in response to detection of a carrier of an RF signal at the first frequency, and senses a carrier of an RF signal at a second frequency in response to reception of the information request signal. In the storage device, a control causes the receiver unit to sense a carrier of an RF signal at the first frequency for detection, in a second time period after a sleep time period which is shorter than the time interval, in response to non-detection by the receiver unit of a carrier of an RF signal at the first frequency in the first time period. | 02-04-2010 |
| 20100060434 | ACTIVE-TYPE CONTACTLESS INFORMATION STORAGE DEVICE FOR STORING SENSOR DETECTED VALUES - An active-type information storage device includes a memory, a battery, a timer, a receiver unit, a transmitter unit, and a control unit, a sensor unit, a remaining power detector unit, and a power management unit. The power management unit determines an operation mode in accordance with a remaining power of the battery. In accordance with the operation mode, the control unit causes the receiver unit or the sensor unit to operate at a particular timing. In an intermittent sleep time period, the control unit causes the transmitter unit, the receiver unit, and the sensor unit to be in an inactive state. In a period after the sleep time period, the control unit causes the sensor unit to operate in the operation mode, and causes the memory to store the detected data from the sensor unit that is determined in accordance with the operation mode. | 03-11-2010 |
| 20100066505 | INFORMATION ACCESS SYSTEM, CONTACTLESS READER AND WRITER DEVICE, AND CONTACTLESS INFORMATION STORAGE DEVICE - In a reader and writer device, a sleep period setter determines an identification in a received response, and a length of a sleep period depending on a number of received identifications, a first transmitter transmits either an information request or an information and sleep request carrying the sleep length and the received identification, and a first receiver receives a response carrying an identification. In each of information storage devices, a second receiver senses a carrier, and receives the information request or the information and sleep request in response to carrier detection, and a second transmitter, in response to the information request or the information and sleep request carrying no identification of that device, transmits a response carrying the identification of that device, and, in response to the information and sleep request carrying the identification of that device, is in an inactive state during the sleep time period. | 03-18-2010 |
| 20100169554 | TERMINAL APPARATUS - A terminal apparatus acquires setting information for controlling whether a storage area held by the non-volatile storage medium is to be used or not, from an external apparatus connected via a network, when the terminal apparatus is activated. The terminal apparatus updates area definition information defining the structure of storage areas in the non-volatile storage medium so that the storage area the use of which is restricted is in a state which cannot be recognized by the operating system, if the acquired setting information indicates that the use of the storage area is restricted. The terminal apparatus performs activation processing of the operating system after the update processing of the area definition information ends, if the acquired setting information indicates that the use of the storage area is restricted. | 07-01-2010 |
| 20100169674 | POWER-SOURCE CONTROL SYSTEM AND POWER-SOURCE CONTROL METHOD - A power-source control system and method which calculates required power representing electric power to be supplied to an information processing apparatus, supplies electric power corresponding to the required power calculated, controls the power-source apparatus, generates frequency information representing an operating frequency to be determined by the frequency controller in accordance with a load of a CPU, and changes the operating frequency of the CPU by assigning the operating frequency represented by the frequency information to the CPU when the electric power to be used in the information processing apparatus is adjusted using the required power calculated. | 07-01-2010 |
| 20100176930 | ACTIVE TAG APPARATUS, COMMUNICATION APPARATUS AND SYSTEM - A communication apparatus and an active tag apparatus that conduct radio communication with for data transmission and reception by radio with each other are provided. A frequency designation data including local transmission frequency used for data transmission and specifying data on a frequency of a carrier sense to be carried by the active tag apparatus is provided. A controller commands the active tag apparatus to use the frequency designation data for radio communication. | 07-15-2010 |
| 20100201306 | CHARGING SYSTEM, PROCESSOR AND FEEDER - A charging system including: a processor that includes a containing part for selectively containing either one of a secondary battery of a first type and a secondary battery of a second type capable of being rapidly charged with an electrical quantity greater than that of the secondary battery of the first type, and that carries out processing using, as a power source, the secondary battery contained in the containing part; and a feeder for feeding power to the processor so as to charge the secondary battery, wherein the processor includes: a determination part for determining whether or not the contained secondary battery needs to be charged; a battery detection part for detecting the type of the contained secondary battery when it is determined that the secondary battery needs to be charged; and a transmission part for transmitting, to the feeder, a feed instruction. | 08-12-2010 |
| 20100225454 | WIRELESS TAG CONTROL METHOD, WIRELESS TAG, AND WIRELESS TAG CONTROL PROGRAM - A wireless tag operable to communicate with a reader/writer, the wireless tag including a sensor that measures a physical quantity and converts the measured physical quantity into an electrical signal and determines whether a pattern formed by the electrical signal corresponds to a first pattern stored in advance in a storage unit and a communicating unit that starts communication with the reader/writer when the sensor determines that the pattern corresponds to the first pattern. | 09-09-2010 |
| 20100232607 | INFORMATION PROCESSING DEVICE, CONTENT PROCESSING SYSTEM, AND COMPUTER READABLE MEDIUM HAVING CONTENT PROCESSING PROGRAM - An information processing device and method include storing encrypted content, storing a key for decrypting the encrypted content stored, decrypting the encrypted content stored using the key, storing a deletion table storing information indicating whether or not the key stored is to be deleted when a transition from an operating state to one of other states is made, the information corresponding to the other states, and checking the information in the deletion table corresponding to the one of the other states and deleting the key when the information indicates that the key is to be deleted. | 09-16-2010 |
| 20100245050 | RFID SYSTEM AND RADIO APPARATUS - A radio apparatus capable of being used in an RFID system, the apparatus having a memory that stores identification information of the radio apparatus, a timing generation section that measures time, a receiving section that receives an information-request signal requesting transmission of the identification information of the radio apparatus, and that receives an unmodulated-carrier-wave request signal requesting transmission of an unmodulated carrier wave to be used for positioning the radio apparatus; and a transmission section that transmits a response signal carrying the identification information in the memory in response to receiving of the information-request signal, and that transmits the unmodulated carrier wave in an unmodulated-carrier transmission period determined by time period data stored in the memory in accordance with timing from the timing generation section in response to receiving of the unmodulated-carrier-wave request signal. | 09-30-2010 |
| 20100271186 | LOCATION DETERMINATION SYSTEM - A reader device of a location determination system gradually changes a transmission power step by step and repeatedly sends an interrogation signal which contains therein information on a power level indicating the transmission power. A tag of the location determination system receives the interrogation signal, sends a response signal into which the information on the power level contained in the interrogation signal is incorporated. The reader device receives the response signal and sends, to a management device, the information on the power level contained in the response signal and identification information for identifying the subject reader device. The management device detects the position of the tag based on the information on the power level and the identification information thus received. | 10-28-2010 |
| 20100325465 | POWER MANAGEMENT APPARATUS AND METHOD - An information processing apparatus and method include measuring power consumptions of devices and outputting power consumption data, receiving operational conditions of the devices for measuring the power consumptions of the devices, setting the operational conditions of the devices according to application-setting conditions, and executing an application program to measure reference power consumptions for executing the application program. The information processing apparatus includes a power consumption data-transmitting section transmitting power consumption data, a normalized power consumption-calculating section receiving normalized reference power consumption calculated from reference power consumptions of information processing apparatuses, and calculating normalized power consumption from the normalized reference power consumption and the reference power consumptions. | 12-23-2010 |
| 20110004738 | DATA STORAGE DEVICE AND DATA MANAGEMENT METHOD - A data storage device for storing and managing data includes a data memory, an input unit, a data writer, and a data deleter. The data memory stores data. The data memory includes a preferential deletion area for storing data which needs to be preferentially deleted. The input unit accepts input data. The data writer stores the input data in the data memory. The data deleter deletes data stored in the data memory. The data deleter starts to delete data stored in the preferential deletion area before starting to delete data stored in the data memory other than the preferential deletion area when a predefined condition is satisfied. | 01-06-2011 |
| 20110087748 | DATA PROCESSOR AND STORAGE MEDIUM - A non-transitory computer-readable medium for recording a program allowing a computer to execute: determining whether first identification information of the computer matches with second identification information stored in the computer-readable medium connected to the computer; executing a process stored in the computer-readable medium upon the determining that the first identification information and the second identification information do not match; selecting a communication unit from one or a plurality of communication units included in the computer; and transmitting third information regarding the execution of the process using the selected communication unit. | 04-14-2011 |
| 20110088084 | INFORMATION STORAGE APPARATUS, RECORDING MEDIUM, AND METHOD - A storage apparatus includes: an access acceptance unit to receive an access request associated with an access from a host apparatus; an authentication processing unit to judge whether the access is authenticated or unauthenticated; a storage unit including a first area that stores first data and a second area that stores second data serving as a substitute for the first data; a data switching unit to allow, when the access acceptance unit judges the access as authenticated, the access to the first area and switches the access to the second area in a case where the authentication processing unit judges the access as unauthenticated, the access to the second data in the second area being provided to disguise that the access was unauthenticated. | 04-14-2011 |
| 20110090883 | INFORMATION TERMINAL AND COMPUTER PROGRAM - An information terminal includes: a wireless communication section configured to communicate with an outside; a main functional section configured to perform an information processing operation that includes data communication with the outside, performed using the wireless communication section; a monitoring section configured to detect a state of power supply for the main functional section; and a communication control section configured to cause the wireless communication section to transmit data, preliminarily stored in a memory, to the outside when the state detected by the monitoring section corresponds to a state in which the main functional section is not capable of performing data communication using the wireless communication section. | 04-21-2011 |
