Patent application number | Description | Published |
20080301532 | NON-VOLATILE SEMICONDUCTOR MEMORY DEVICE - A non-volatile semiconductor memory device comprises a memory cell array including a plurality of memory cells arrayed capable of storing information of N bits (N≧2) in accordance with variations in threshold voltage. A parity data adder circuit adds parity data for error correction to every certain data bits to be stored in the memory cell array. A frame converter circuit uniformly divides frame data containing the data bits and the parity data into N pieces of subframe data. A programming circuit stores the subframe data divided into N pieces in respective N sub-pages formed corresponding to the information of N bits. | 12-04-2008 |
20090100312 | APPARATUS AND METHOD FOR DECODING LOW-DENSITY PARITY CHECK CODE - There is provided with a decoding apparatus for decoding a low-density parity check code defined by a parity check matrix, includes: a first operation unit configured to carry out a row operation for each row of the parity check matrix; a calculation unit configured to calculate a reliability coefficient with respect to establishment of a parity check equation defined by said each row, respectively; a second operation unit configured to carry out a column operation for said each row; and a controller configured to iteratively execute one set which includes respective processing by the first operation unit, the calculation unit and the second operation unit and omit the processing by the first operation unit and the calculation unit for a row for which the reliability coefficient has satisfied a threshold. | 04-16-2009 |
20090183052 | SEMICONDUCTOR MEMORY DEVICE AND METHOD OF CONTROLLING THE SAME - A semiconductor memory device includes a plurality of detecting code generators configured to generate a plurality of detecting codes to detect errors in a plurality of data items, respectively, a plurality of first correcting code generators configured to generate a plurality of first correcting codes to correct errors in a plurality of first data blocks, respectively, each of the first data blocks containing one of the data items and a corresponding detecting code, a second correcting code generators configured to generate a second correcting code to correct errors in a second data block, the second data block containing the first data blocks, and a semiconductor memory configured to nonvolatilely store the second data block, the first correcting codes, and the second correcting code. | 07-16-2009 |
20090201726 | NON-VOLATILE SEMICONDUCTOR STORAGE SYSTEM - In a memory cell array, memory cells enabled to store plural-bit data are arranged in matrix. The bit-line control circuit is connected to bit-lines to control the bit-lines. A word line control circuit applies a plural-bit data read voltage as a word line voltage to the word line. The plural-bit data read voltage is larger than an upper limit of one of plural threshold voltage distributions and smaller than a lower limit of another threshold voltage distribution. Furthermore, it applies a soft-value read voltage as a word line voltage to the word line. The soft-value read voltage is smaller than an upper limit of a threshold voltage distribution and larger than a lower limit thereof. The likelihood calculation circuit calculates likelihood of the plural-bit data stores in the memory cells based on the soft-value. | 08-13-2009 |
20110197109 | SEMICONDUCTOR MEMORY DEVICE AND METHOD OF CONTROLLING THE SAME - A semiconductor memory device includes a plurality of detecting code generators configured to generate a plurality of detecting codes to detect errors in a plurality of data items, respectively, a plurality of first correcting code generators configured to generate a plurality of first correcting codes to correct errors in a plurality of first data blocks, respectively, each of the first data blocks containing one of the data items and a corresponding detecting code, a second correcting code generators configured to generate a second correcting code to correct errors in a second data block, the second data block containing the first data blocks, and a semiconductor memory configured to nonvolatilely store the second data block, the first correcting codes, and the second correcting code. | 08-11-2011 |
20110197110 | SEMICONDUCTOR MEMORY DEVICE AND METHOD OF CONTROLLING THE SAME - A semiconductor memory device includes a plurality of detecting code generators configured to generate a plurality of detecting codes to detect errors in a plurality of data items, respectively, a plurality of first correcting code generators configured to generate a plurality of first correcting codes to correct errors in a plurality of first data blocks, respectively, each of the first data blocks containing one of the data items and a corresponding detecting code, a second correcting code generators configured to generate a second correcting code to correct errors in a second data block, the second data block containing the first data blocks, and a semiconductor memory configured to nonvolatilely store the second data block, the first correcting codes, and the second correcting code. | 08-11-2011 |
20120079354 | NON-VOLATILE SEMICONDUCTOR MEMORY DEVICE - A non-volatile semiconductor memory device comprises a memory cell array including a plurality of memory cells arrayed capable of storing information in accordance with variations in threshold voltage. A likelihood calculator has a plurality of likelihood calculation algorithms for deriving a likelihood value about a stored data bit from a threshold value read out of the memory cell. An error correction unit executes error correction through iterative processing using the likelihood value obtained at the likelihood calculator. A likelihood calculator controller changes among the likelihood calculation algorithms in the likelihood calculator based on a certain value of the number of iterations in the iterative processing obtained from the error correction unit. | 03-29-2012 |
20120144273 | NON-VOLATILE SEMICONDUCTOR MEMORY DEVICE - A non-volatile semiconductor memory device comprises a memory cell array including a plurality of memory cells arrayed capable of storing information of N bits (N≧2) in accordance with variations in threshold voltage. A parity data adder circuit adds parity data for error correction to every certain data bits to be stored in the memory cell array. A frame converter circuit uniformly divides frame data containing the data bits and the parity data into N pieces of subframe data. A programming circuit stores the subframe data divided into N pieces in respective N sub-pages formed corresponding to the information of N bits. | 06-07-2012 |
20120221918 | SEMICONDUCTOR MEMORY DEVICE AND METHOD OF CONTROLLING THE SAME - A semiconductor memory device includes a plurality of detecting code generators configured to generate a plurality of detecting codes to detect errors in a plurality of data items, respectively, a plurality of first correcting code generators configured to generate a plurality of first correcting codes to correct errors in a plurality of first data blocks, respectively, each of the first data blocks containing one of the data items and a corresponding detecting code, a second correcting code generators configured to generate a second correcting code to correct errors in a second data block, the second data block containing the first data blocks, and a semiconductor memory configured to nonvolatilely store the second data block, the first correcting codes, and the second correcting code. | 08-30-2012 |
20130145230 | SEMICONDUCTOR MEMORY DEVICE AND METHOD OF CONTROLLING THE SAME - A semiconductor memory device includes a plurality of detecting code generators configured to generate a plurality of detecting codes to detect errors in a plurality of data items, respectively, a plurality of first correcting code generators configured to generate a plurality of first correcting codes to correct errors in a plurality of first data blocks, respectively, each of the first data blocks containing one of the data items and a corresponding detecting code, a second correcting code generators configured to generate a second correcting code to correct errors in a second data block, the second data block containing the first data blocks, and a semiconductor memory configured to nonvolatilely store the second data block, the first correcting codes, and the second correcting code. | 06-06-2013 |
20140215288 | SEMICONDUCTOR MEMORY DEVICE AND METHOD OF CONTROLLING THE SAME - A semiconductor memory device includes a plurality of detecting code generators configured to generate a plurality of detecting codes to detect errors in a plurality of data items, respectively, a plurality of first correcting code generators configured to generate a plurality of first correcting codes to correct errors in a plurality of first data blocks, respectively, each of the first data blocks containing one of the data items and a corresponding detecting code, a second correcting code generators configured to generate a second correcting code to correct errors in a second data block, the second data block containing the first data blocks, and a semiconductor memory configured to nonvolatilely store the second data block, the first correcting codes, and the second correcting code. | 07-31-2014 |
Patent application number | Description | Published |
20090100525 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING PROGRAM - An information processing apparatus capable of permitting electronic data with an access authority to be available at a transfer destination, without the access authority being lost. In a case where a received electronic document is set with access authority management information, it is determined, referring to transfer means ( | 04-16-2009 |
20090133128 | IMAGE PROCESSING APPARATUS AND REINSTALLATION METHOD THEREFOR - An image processing apparatus includes an installation unit configured to install an application for image processing and license information regarding the application, an information setting unit configured to set, as threshold information, operation restriction information, which is included in the license information, regarding the application, a counting unit configured to count operation information regarding an operation of the application, an application operation restriction unit configured to restrict an operation of the application according to the threshold information and the counted operation information, a reinstallation unit configured to reinstall the application, and an information setting control unit configured to inhibit the information setting unit from setting, as the threshold information, the operation restriction information, which is included in the license information, regarding the application reinstalled by the reinstallation unit. | 05-21-2009 |
20100115608 | IMAGE PROCESSING APPARATUS, CONTROL METHOD THEREFOR, AND COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM FOR IMPLEMENTING THE METHOD - An image processing apparatus capable of reducing the frequency of a user's inputting work for authentication information to improve the convenience. | 05-06-2010 |
20100134823 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING SYSTEM AND IMAGE PROCESSING METHOD - An image processing apparatus includes an input unit inputting image data, a memory having a storage region for storing the image data inputted by the input unit, a printer printing the image data in response to an user's instruction of printing the image data stored in the storage region, a transmitting unit transmitting set information indicating setting of the storage region to an other image processing apparatus, and a control unit controlling the transmitting unit not to transmit the set information to the other image processing apparatus when a pass word for accessing the storage region is included in the set information, and to transmit the set information to the other image processing apparatus when the pass word for accessing the storage region is not included in the set information. | 06-03-2010 |
20100277755 | INFORMATION PROCESSING APPARATUS CONNECTED TO A PRINTING APPARATUS VIA A NETWORK AND COMPUTER-READABLE STORAGE MEDIUM HAVING STORED THEREON A PROGRAM FOR CAUSING A COMPUTER TO EXECUTE GENERATING PRINT DATA IN THE INFORMATION PROCESSING APPARATUS CONNECTED TO THE PRINTING APPARATUS VIA THE NETWORK - An information processing apparatus connected to a printing apparatus via a network encrypts print data if identification information is input, and does not encrypt print data if identification information is not input. If identification information is input and the print data has been encrypted, the information processing apparatus sends a print job including the encrypted print data to the printing apparatus via the network; otherwise, the information processing apparatus sends unencrypted print data to the printing apparatus via the network. | 11-04-2010 |
20110069338 | PRINT SYSTEM, CONTROL METHOD THEREFOR, INFORMATION PROCESSING APPARATUS, CONTROL METHOD THEREFOR, PROGRAM FOR IMPLEMENTING THE CONTROL METHOD, AND STORAGE MEDIUM STORING THE CONTROL PROGRAM - A print system which are capable of inhibiting simultaneous use of the encrypted print and the box storage to thereby increase the security of print data. A host computer has an encryption function of encrypting print data, and issues a print job for the print data encrypted by the encryption function. A print server receives the issued print job, and has a decryption function of decrypting the encrypted print data of the received print job. A printer has a storage function of storing the print data decrypted by the decryption function, and outputs the stored print data. At least one of the host computer and the print server inhibits simultaneous use of the encryption function and the storage function. | 03-24-2011 |
20110310431 | IMAGE PROCESSING APPARATUS, CONTROL METHOD THEREOF, AND PROGRAM - An image processing apparatus includes a window manager which switches an operation screen to be displayed on a display unit and a Web browser which displays an operation screen of an external application on the display unit together with a “return” button used to allow a transition to an operation screen previously displayed on the display unit. The Web browser manages history information indicating a display history on the display unit since an operation screen of an internal application which was displayed on the display unit before that operation screen was switched to the operation screen of the external application. Furthermore, when the “return” button is pressed, and a transition destination of the operation screen is the operation screen of the internal application, the Web browser notifies the window manager of a screen switch request required to display the operation screen of the internal application on the display unit. | 12-22-2011 |
20120188604 | INFORMATION PROCESSOR AND INFORMATION PROCESSING METHOD - An information processor is provided, for preventing an illegal operation from being caused by configuration information set in the information processor being updated, even if the information processor receives configuration information from outside during execution of a job. The information processor makes it possible to know and externally confirm that update has not been performed, and updates the configuration information as soon as possible after the job ends. If configuration information is input from an external device, the information processor included in, for example, a multi-function peripheral determines whether the information processor is executing a job. If it is determined that the information processor is not executing a job, then the received configuration information is recorded and the configuration information is updated. If it is determined that the information processor is executing a job, then the receiving operation is terminated. | 07-26-2012 |
20120198561 | DATA TRANSMISSION APPARATUS, CONTROL METHOD THEREFOR, AND IMAGE INPUT/OUTPUT APPARATUS - According to the present invention, a data transmission apparatus capable of transmitting data by using a plurality of transmission media, comprises an authority storage unit, adapted to store authority information representing use authority to use each transmission medium by each user; and a transmission control unit, adapted to, in transmitting data, restrict data transmission to a destination corresponding to a transmission medium for which a current user does not have the use authority. | 08-02-2012 |
20120200880 | IMAGE PROCESSING APPARATUS, CONTROL METHOD THEREFOR, AND STORAGE MEDIUM - An image processing apparatus comprising, a detector unit configured to detect an event that a user logged in to the image processing apparatus logs out, an query unit configured to be operable when said detector unit detects the event, to query the user whether or not to change a setting of a job under execution, and a control unit configured to be operable when the setting of the job is to be changed as a result of the query made by said query unit, to change the setting of the job and then perform a logout, and, when the setting of the job is not to be changed as a result of the query made by said query unit, to restrict the logout. | 08-09-2012 |
20120260333 | IMAGE PROCESSING APPARATUS, CONTROL METHOD THEREFOR, AND COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM FOR IMPLEMENTING THE METHOD - An image processing apparatus capable of reducing the frequency of a user's inputting work for authentication information to improve the convenience. When the number of the logged-in users is one, the logged-in user is set as an executor of the predetermined function, and when the number of the logged-in users is two or more, the user is caused to select one of the logged-in users to set the selected one as the executor of the predetermined function. | 10-11-2012 |
20120314241 | IMAGE PROCESSING APPARATUS, METHOD OF CONTROLLING THE SAME AND STORAGE MEDIUM - This invention provides an image processing apparatus that dynamically changes the display priority of a web browser in accordance with a user authentication state, a method of controlling the same, and a program. To accomplish this, the image processing apparatus sets the display priority of the web browser when it is determined that a user has not been authenticated to be higher than the display priority when it is determined that the user has been authenticated. | 12-13-2012 |
20140333954 | IMAGE PROCESSING APPARATUS, CONTROL METHOD THEREFOR, AND STORAGE MEDIUM - An image processing apparatus comprising, a detector unit configured to detect an event that a user logged in to the image processing apparatus logs out, an query unit configured to be operable when said detector unit detects the event, to query the user whether or not to change a setting of a job under execution, and a control unit configured to be operable when the setting of the job is to be changed as a result of the query made by said query unit, to change the setting of the job and then perform a logout, and, when the setting of the job is not to be changed as a result of the query made by said query unit, to restrict the logout. | 11-13-2014 |