Data Compression And Expansion Patents (Class 710/68)
  • Patent number: 8166249
    Abstract: A method to perform a least recently used (LRU) algorithm for a co-processor is described, which co-processor in order to directly use instructions of a core processor and to directly access a main storage by virtual addresses of said core processor comprises a TLB for virtual to absolute address translations plus a dedicated memory storage also including said TLB, wherein said TLB consists of at least two zones which can be assigned in a flexible manner more than one at a time. Said method to perform a LRU algorithm is characterized in that one or more zones are replaced dependent on an actual compression service call (CMPSC) instruction.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: April 24, 2012
    Assignee: International Business Machines Corporation
    Inventors: Thomas Koehler, Siegmund Schlechter
  • Patent number: 8166220
    Abstract: A dual-interface connector for providing an interface to a storage device and an interface to a host and for connecting between a storage device and a host includes a storage device interface, for connecting with a storage device, and a host interface, for connecting with a host. A controller is operable in at least two distinct modes of operation. In a first mode of operation, the controller enables a session to be opened, by the host, between the storage device and the host when the storage device is connected to the storage device interface and the host is connected to the host interface. In a second mode of operation, the controller is operative, if an open session exists between the storage device and the host, to maintain the open session between the storage device and the host even after the storage device is disconnected from the storage device interface.
    Type: Grant
    Filed: August 4, 2008
    Date of Patent: April 24, 2012
    Assignee: Sandisk IL Ltd.
    Inventors: Shai Ben-Yacov, Itzhak Pomerantz, Judah Gamliel Hahn
  • Patent number: 8161211
    Abstract: The present invention aims for efficient use of storage capacity in a storage system by reducing the amount of time taken for processing including removing redundancy and data compression executed with respect to transferred data. Focusing on data patterns included in transferred data, the most suitable pattern is detected, and de-duplication processing is gradually executed. Data compression is then executed with data after de-duplication as a target. Determination of the decision for execution of gradual de-duplication processing, or execution of compression processing is made depending on the amount of data remaining at each processing stage and the system load.
    Type: Grant
    Filed: February 25, 2009
    Date of Patent: April 17, 2012
    Assignee: Hitachi, Ltd.
    Inventor: Hiroshi Hirayama
  • Patent number: 8161206
    Abstract: In a computer system supporting memory compression and wherein data is stored on a disk in a different compressed format, and wherein an IOA (input/output adaptor)/IOP (input/output processor) selectively reads from and writes to a main memory through a direct memory access (DMA) operation, a method for transmitting compressed data from the IOA/IOP to the main memory includes reserving a set of free memory sectors to contain the data in said main memory, sending to the IOA/IOP addresses of said memory sectors, copying the data from the IOA/IOP to said memory sectors using said DMA operation, constructing at the IOA/IOP compressed memory directory information defining how and where the data is stored in memory, sending the memory directory information to a memory controller, and storing the memory directory information in the compressed memory directory structure.
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: April 17, 2012
    Assignee: International Business Machines Corporation
    Inventors: Caroline Benveniste, Vittorio Castelli, Peter A. Franaszek
  • Patent number: 8156241
    Abstract: Data is transferred over a network for storage purposes in a way that accommodates systems which are equipped to only handle a predetermined data block size. This is accomplished by transmitting the data using the same data block size regardless as to whether the data is compressed or not. In use, data to be transferred is identified on a first computer. Prior to being transferred to a second computer, it is determined whether the data is to be compressed. If it is determined that the data is not to be compressed, the data is subdivided into a plurality of data blocks with a predetermined size. If it is determined that the data is to be compressed, the data is compressed and subdivided into a plurality of data blocks with the predetermined size. Such data blocks are then transferred to the second computer via the network, for storing the data.
    Type: Grant
    Filed: May 17, 2007
    Date of Patent: April 10, 2012
    Assignee: NetApp, Inc.
    Inventors: Sandeep Mukherjee, Jose Mathew, Vikas Yadav
  • Patent number: 8151022
    Abstract: A method and apparatus compress projection data and store the compressed projection data in a rotatable part that is mounted for rotation within a stationary part. The data acquisition source, compressor and storage device are connected to the rotatable part. The compressor compresses projection data samples provided by the data acquisition source to form compressed packets. The compressed packets are stored in the storage device, for example one or more solid state drives mounted on the rotatable part. A data access array contains information related to the location of the stored compressed packets. Compressed packets are retrieved and transferred across the interface to the stationary part. A decompressor at the stationary part decompresses the received compressed packets to form decompressed samples of the corresponding projection data. This abstract does not limit the scope of the invention as described in the claims.
    Type: Grant
    Filed: January 12, 2009
    Date of Patent: April 3, 2012
    Assignee: Simplify Systems, Inc.
    Inventors: Albert W. Wegener, Carl R. Crawford, Yi Ling
  • Patent number: 8131952
    Abstract: Provided are an apparatus and a method for saving a memory in a portable terminal, the method includes receiving a request for basic data and an address indicating a storage position of the basic data; determining whether the requested basic data has been stored in a paging buffer; if it is determined that the requested basic data has not been stored in the paging buffer, transforming the address of the requested basic data into an address of a corresponding compressed block using a block address table; searching the compressed basic data for the compressed block corresponding to the address of the compressed block; decompressing the searched compressed block; storing data of the decompressed block in the paging buffer; and returning the requested basic data stored in the paging buffer.
    Type: Grant
    Filed: October 18, 2007
    Date of Patent: March 6, 2012
    Assignees: Samsung Electronics Co., Ltd., Quram Co., Ltd.
    Inventors: Seok-Kyu Jang, Young-Hoon Min, Woo-Gyu Lim, Young Cheul Wee
  • Patent number: 8131927
    Abstract: A computerized data storage system includes at least one storage device including a nonvolatile writable medium; a cache memory operatively coupled to the storage port and including a data storing area and a data management controller and a storage port. The storage port is operable to connect to a host computer, receive and send I/O information required by the host computer. The storage port is also operable to receive a request to read data, and, in response to the request to read data, the storage port is operable to send the data stored in the data storing area of the cache memory. The storage port is further operable to receive a request to write data, and, in response to the request to write data, the storage port is operable to send the write data to the data storing area of the cache memory.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: March 6, 2012
    Assignee: Hitachi, Ltd.
    Inventor: Tomohiro Kawaguchi
  • Patent number: 8117361
    Abstract: A method, system, and medium for compressing systems management information in a historical data store. Dynamically determining the appropriate compression algorithm to apply based on the type of data being compressed and stored. As further input is received for any particular measurement, the appropriate compression algorithm will be automatically selected from the set of available compression algorithms or be defined by a user configuration parameter. The amount of historical data stored with the minimal amount of data loss is optimized by the system dynamically changing the compression algorithm used for the given input data over a particular time span. The system engineer is therefore presented with the pertinent information for monitoring, administrating and diagnosing system activities.
    Type: Grant
    Filed: June 16, 2010
    Date of Patent: February 14, 2012
    Assignee: BMC Software, Inc.
    Inventors: Geert De Peuter, David Bonnell
  • Patent number: 8111707
    Abstract: Methods, apparatuses, and systems directed to efficient compression processing in system architectures including a control plane and a data plane. Particular implementations feature integration of compression operations and mode selection with a beltway mechanism that takes advantage of atomic locking mechanisms supported by certain classes of hardware processors to handle the tasks that require atomic access to data structures while also reducing the overhead associated with these atomic locking mechanisms.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: February 7, 2012
    Assignee: Packeteer, Inc.
    Inventors: Guy Riddle, Jon Eric Okholm
  • Patent number: 8112563
    Abstract: An arrangement including a first semiconductor chip and a second semiconductor chip connected thereto, where the second semiconductor chip is additionally connected to electrical loads and drives these electrical loads on the basis of a timing which is prescribed to it by load control data, and where the first semiconductor chip transmits to the second semiconductor chip the aforementioned load control data and pilot data which control the second semiconductor chip, and where the second semiconductor chip transmits to the first semiconductor chip diagnostic data which represent states prevailing in the second semiconductor chip or events which occur. The diagnostic data are transmitted via a first transmission channel and the load control data and the pilot data are transmitted via a second transmission channel.
    Type: Grant
    Filed: December 2, 2003
    Date of Patent: February 7, 2012
    Assignees: Infineon Technologies AG, Robert Bosch GmbH
    Inventors: Jens Barrenscheen, Peter Rohm, Angela Rohm, legal representative, Hannes Estl, Axel Aue, Jens Graf, Herman Roozenbeek
  • Patent number: 8090394
    Abstract: This disclosure describes a dynamic pattern elimination compression method to eliminate redundant patterns, the content of which is not known a priori, by identifying the candidate dynamic patterns and marking them, then checking to see if there are any duplicate occurrences within the entire message by searching for markers, if a marker is found, checking to see if the pattern occurred before, if not, assigning a unique variable to the pattern, if so replacing the pattern with the variable that was assigned for this pattern, and if a pattern is found only once, removing the variable assigned to it.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: January 3, 2012
    Assignee: XG Technology, Inc.
    Inventors: Shih-Chun Chang, Siddhardha Garige, Sreekant Nair, Hai Vu
  • Publication number: 20110307447
    Abstract: Systems for performing inline wire speed data deduplication are described herein. Some embodiments include a device for inline data deduplication that includes one or more input ports for receiving an input data stream containing duplicates, one or more output ports for providing a data deduplicated output data stream, and an inline data deduplication engine coupled to said one or more input ports and said one or more output ports to process input data containing duplicates into output data which is data deduplicated, said inline data deduplication engine having an inline data deduplication bandwidth of at least 4 Gigabytes per second.
    Type: Application
    Filed: June 9, 2010
    Publication date: December 15, 2011
    Applicant: BROCADE COMMUNICATIONS SYSTEMS, INC.
    Inventors: Amr Sabaa, Pashupati Kumar, Bao Vu, Tarak Parekh, Poulo Kuriakose, Vidyasagara Reddy Guntaka, Madhsudan Hans, Kung-Ling Ko
  • Patent number: 8078778
    Abstract: An image processing apparatus includes a data bus provided to access a memory, a compressing unit which compresses an image data and outputs a compressed image data, a write unit which writes the compressed image data into the memory via the data bus, a read unit which reads a compressed image from the memory via the data bus, a decompression unit which decompresses the compressed data read by the read unit, and a control unit which controls operations of the write unit and the read unit, based on an amount per unit time of the compressed image data outputted from the compressing unit, an amount per unit time of the compressed image data read from the memory and a degree of congestion of the data bus.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: December 13, 2011
    Assignee: Renesas Electronics Corporation
    Inventor: Kazuhiro Fuji
  • Patent number: 8074003
    Abstract: A data processing system is distributed across a plurality of locations coupled together by a wide-area communications network and includes physical storage devices and a set of host computers distributed across the locations. Each host executes both a local initiator application and a local caching storage controller (CSC) application.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: December 6, 2011
    Assignee: EMC Corporation
    Inventors: Victor Salamon, Roel van der Goot
  • Patent number: 8055823
    Abstract: Provided are a method and an apparatus for compression transmission of bus data including a plurality of bytes including upper bits and lower bits. The apparatus includes a comparator and an aligner. The comparator compares upper bits of a previous byte with upper bits of a current byte among the plurality of bytes. If the upper bits of the previous byte are identical to the upper bits of the current byte, the aligner compresses the bus data in a combination of a full-byte and a half-byte, by allowing the previous byte to be constituted with the full-byte having bits corresponding to the number of bits of the previous byte and allowing the current byte to be constituted with the half-byte excluding the upper bits of the current byte. Then, the aligner arrays the compressed bus data in a preset bus bandwidth to transmit to a slave device.
    Type: Grant
    Filed: August 14, 2009
    Date of Patent: November 8, 2011
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jae Sung Lee, Seong Woon Kim
  • Patent number: 8046509
    Abstract: Systems and methods for commonality factoring for storing data on removable storage media are described. The systems and methods allow for highly compressed data, e.g., data compressed using archiving or backup methods including de-duplication, to be stored in an efficient manner on portable memory devices such as removable storage cartridges. The methods include breaking data, e.g., data files for backup, into unique chunks and calculating identifiers, e.g., hash identifiers, based on the unique chunks. Redundant chunks can be identified by calculating identifiers and comparing identifiers of other chunks to the identifiers of unique chunks previously calculated. When a redundant chunk is identified, a reference to the existing unique chunk is generated such that the chunk can be reconstituted in relation to other chunks in order to recreate the original data. The method further includes storing one or more of the unique chunks, the identifiers and/or the references on the removable storage medium.
    Type: Grant
    Filed: July 3, 2008
    Date of Patent: October 25, 2011
    Assignee: Prostor Systems, Inc.
    Inventor: Matthew D. Bondurant
  • Patent number: 8028106
    Abstract: Systems and methods for commonality factoring for storing data on removable storage media are described. The systems and methods allow for highly compressed data, e.g., data compressed using archiving or backup methods including de-duplication, to be stored in an efficient manner on portable memory devices such as removable storage cartridges. The methods include breaking data, e.g., data files for backup, into unique chunks and calculating identifiers, e.g., hash identifiers, based on the unique chunks. Redundant chunks can be identified by calculating identifiers and comparing identifiers of other chunks to the identifiers of unique chunks previously calculated. When a redundant chunk is identified, a reference to the existing unique chunk is generated such that the chunk can be reconstituted in relation to other chunks in order to recreate the original data. The method further includes storing one or more of the unique chunks, the identifiers and/or the references on the removable storage medium.
    Type: Grant
    Filed: July 3, 2008
    Date of Patent: September 27, 2011
    Assignee: Proster Systems, Inc.
    Inventors: Matthew D. Bondurant, Steven W. Scroggs
  • Publication number: 20110219153
    Abstract: Systems and methods for creating, reading, and writing compressed data for use with a block mode access storage. The compressed data are packed into plurality of compressed units and stored in a storage logical unit (LU). One or more corresponding compressed units may be read and/or updated with no need of restoring the entire storage logical unit while maintaining de-fragmented structure of the LU.
    Type: Application
    Filed: May 16, 2011
    Publication date: September 8, 2011
    Inventors: Jonathan AMIT, Noah AMIT, Nadav KEDEM
  • Patent number: 7991930
    Abstract: A tape drive unit has a data compression engine coupled to an incoming data stream. A buffer memory stores data of the incoming data stream. A control module enables or disables the data compression engine in response to a function of the data occupancy level of the buffer memory.
    Type: Grant
    Filed: February 23, 2004
    Date of Patent: August 2, 2011
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Christopher Martin
  • Patent number: 7979611
    Abstract: A multi-protocol serial interface (MPSI) apparatus can include a controller circuit that is configured to receive information about a type of MPSI utilized for data transfer and that is configured to control a format of the data transfer and input/output timing associated with the data transfer. A data generation and processing circuit is coupled to the controller circuit and is configured to extract information from a buffer memory to generate data for the data transfer according to the format based on the information and is configured to generate the data in a packet format or a bit format based on the information.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: July 12, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Chang-jae Park
  • Patent number: 7978762
    Abstract: A transcoder device includes means for receiving encoding information transmitted from a motion-picture encoding and transmitting device and decoding information transmitted from a motion-picture receiving and decoding device, referring to the encoding information and the decoding information to determine whether the syntax in a video packet transmitted from the motion-picture encoding and transmitting device is transcoded, and outputting transcoding control information, and means for transcoding an encoded bitstream that is input in the syntax level on the basis of the transcoding control information and transmitting the transcoded encoded bitstream to the motion-picture receiving and decoding device.
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: July 12, 2011
    Assignee: NEC Corporation
    Inventors: Kazuhiro Koyama, Kazunori Ozawa
  • Patent number: 7979602
    Abstract: A method (and system) of storing information, includes storing main memory compressed information onto a memory compressed disk, where pages are stored and retrieved individually, without decompressing the main memory compressed information.
    Type: Grant
    Filed: August 20, 2009
    Date of Patent: July 12, 2011
    Assignee: International Business Machines Corporation
    Inventors: Caroline Benveniste, Vittorio Castelli, Peter A. Franaszek
  • Patent number: 7970048
    Abstract: Space-time code, and methods for constructing space-time codes are provided. The space-time coder performs a respective linear transformation on each of P sets of K modulated symbols of a modulated symbol stream to produce P sets of T linearly transformed symbols, applies a respective phase rotation to each set of T linearly transformed symbols to produce a respective set of T phase rotated symbols, and performs a threading operation on the sets of T phase rotated symbols to produce P threaded sequences that define M output sequences. During each of T symbol periods, a respective one of the P threaded sequences includes a symbol from one of the P sets of phase rotated symbols. At least one symbol from each set of phase rotated symbols appears in each output sequence, where M>=2, 2<=P<=M, and T>=M and M>=K.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: June 28, 2011
    Assignees: University of Alberta, The Ohio State University
    Inventors: Mohamed O. Damen, Norman C. Beaulieu, Hesham El Gamal
  • Patent number: 7970965
    Abstract: For use in a storage network comprising a plurality of network elements and operable with a block mode access storage protocol, a method of operating a compression system operatively coupled to at least one computer and to one or more storage devices configured as at least one storage logical unit accommodating data compressed by the compression system, the computer, the storage devices and the compression system are configured as separate network elements. According to the method, the compression system is configured to hold a virtual logical unit, the virtual logical unit is configured to virtually represent in non-compressed form the compressed data stored in the at least one storage logical unit. The size of the virtual logical unit corresponds to an estimated size of raw data which, being compressed, would substantially amount to a size of the storage logical unit.
    Type: Grant
    Filed: August 20, 2008
    Date of Patent: June 28, 2011
    Assignee: Storewize Inc.
    Inventors: Nadav Kedem, Yoni Amit, Noach Amit
  • Patent number: 7970015
    Abstract: A method for transmitting a message by compressed data transmission between a sender and a receiver using connectionless or connection oriented protocols. The sender gateway assures that the appropriate handling of the message data is made by knowing the transmission protocol(s) used. T The rules and structures of the protocol(s) must be known to be able to use a compression method ideally suited to the needs of the particular protocol. Both gateways analyze the data stream between sender and receiver, compress outgoing and decompressing incoming data. For connection oriented protocols, differently structured data structures are transmitted during a connection. To distinguish different data structures, the gateway providing for compression examines the data to be transmitted and, by knowing the definition of the protocol used and the state of the machine, it can control the compression to use a file-oriented compression on certain parts of the data stream.
    Type: Grant
    Filed: September 12, 2005
    Date of Patent: June 28, 2011
    Assignee: HOB GmbH & Co. KG
    Inventor: Klaus Brandstatter
  • Patent number: 7962727
    Abstract: System and method for decompressing data. A compressed data stream including contiguous variable length blocks is received, each block including multiple contiguous variable length data fields and a tag portion that includes multiple contiguous tag fields corresponding respectively to the data fields. Each tag field stores a tag value specifying a size of a respective field in the block. A current variable length block is stored. A single machine instruction of a processor is executed that analyzes the tag portion of the current block, and creates a control pattern, storing the control pattern in a first register of the processor. The control pattern is configured to unpack the variable length data fields of the current variable length block into corresponding uniform data fields. The contiguous variable length data fields of the current variable length block are decompressed using the control pattern, thereby decompressing the compressed data stream.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: June 14, 2011
    Assignee: GLOBALFOUNDRIES Inc.
    Inventor: Michael Frank
  • Patent number: 7962700
    Abstract: Compressed memory systems are provided to reduce latency associated with accessing compressed memory using stratified compressed memory architectures and memory organization protocols in which a region of compressed main memory is allocated as a direct access memory (DAM) region for storing uncompressed data items. The uncompressed data items in the DAM region can be directly accessed, speculatively, to serve access requests to main memory, requiring access to compressed memory in the event of a DAM miss.
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: June 14, 2011
    Assignee: International Business Machines Corporation
    Inventors: Peter Anthony Franaszek, Luis Alfonso Lastras-Montano, Robert Brett Tremaine
  • Patent number: 7962664
    Abstract: Trace circuitry, and a method of operating such trace circuitry, are provided for generating a trace stream indicative of activities of monitored circuitry of a data processing apparatus. The monitored circuitry produces data elements indicative of those activities, and the trace circuitry comprises trace element generation circuitry which is responsive to at least some of the data elements produced by the monitored circuitry to generate trace elements representative of those data-elements, with the trace elements generated being dependent on a selected trace mode of operation of the trace circuitry. Compression circuitry is then arranged to apply an encoding operation to a sequence of trace elements in order to produce a packet whose bit pattern represents the sequence of trace elements, and to cause that packet to be output in the trace stream, the encoding operation applied being dependent on a current compression scheme associated with the compression circuitry.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: June 14, 2011
    Assignee: ARM Limited
    Inventors: Paul Robert Gotch, John Michael Horley
  • Patent number: 7958289
    Abstract: A method (and system) of storing information, includes storing main memory compressed information onto a memory compressed disk, where pages are stored and retrieved individually, without decompressing the main memory compressed information.
    Type: Grant
    Filed: August 8, 2002
    Date of Patent: June 7, 2011
    Assignee: International Business Machines Corporation
    Inventors: Caroline Benveniste, Vittorio Castelli, Peter A. Franaszek
  • Patent number: 7949042
    Abstract: An encoded code stream is searched for a frame generally coincident with a specific frame without having to decoding the frame to its original image. The present invention provides an image search device that searches an object encoded code stream formed by compression coding of a plurality of frames for a frame generally coincident with a specific one, which includes a decoder for making entropy decoding of the object encoded code stream to generate quantization coefficients of each frame, a matching unit for making matching between the quantization coefficients of the specific frame and those of each frame which are generated by the decoder and correspond in sample position to those of the specific frame, and a judging unit for judging, based on the result of matching, whether the frame is generally coincident with the specific one.
    Type: Grant
    Filed: January 19, 2006
    Date of Patent: May 24, 2011
    Assignees: Sony Corporation
    Inventors: Takahiro Fukuhara, Hitoshi Kiya
  • Patent number: 7945703
    Abstract: A matrix architecture for KVM extenders connecting a plurality of console terminals and a plurality of computers. The matrix architecture for KVM extenders includes a plurality of first extenders and a plurality of second extenders. The first extenders transform keyboard, mouse analog signals into keyboard, mouse data packets and transform video data packets into video signals for console terminals. The second extenders transform video signals into video data packets and transform keyboard, mouse data packets into keyboard, mouse analog signals. The broadcasters broadcast keyboard, video, mouse data packets, each having a source address and a target address to couple computers to console terminals by broadcasting video data packets from second extenders to first extenders and to couple console terminals to computers by broadcasting keyboard, mouse data packets from first extenders to second extenders.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: May 17, 2011
    Assignee: Aten International Co., Ltd.
    Inventors: Kheng-chuan Sim, Wei-hsien Liu, Chih-tao Hsieh
  • Patent number: 7936375
    Abstract: An image processor for lowering data transfer speed. A JPEG compression circuit performs two-dimensional compression process on data output from a YCbCr conversion circuit to generate compressed image data. A timing signal generator changes the frequency of a transfer clock signal in accordance with the compressed image data. An output circuit outputs the compressed image data in accordance with the transfer clock signal.
    Type: Grant
    Filed: February 27, 2006
    Date of Patent: May 3, 2011
    Assignee: Fujitsu Semiconductor Limited
    Inventor: Kiichiro Iga
  • Patent number: 7933736
    Abstract: A data logger is disclosed wherein a common housing includes different function blocks which are connected to one another. These function blocks include at least one analog/digital converter for conversion of measurement signals into digital input data, a memory unit for recording of digital data and of digitized event data, a timer, a processor unit for processing of data, a power supply source and input and output interfaces for measurement signals or digital data and event data. The processor unit is configured for conversion of digital input data and time data into a format which is compatible with standardized software (e.g., freely available) and which makes it possible to display the processed data using standardized software in tabular and/or graphic form on an output device.
    Type: Grant
    Filed: December 13, 2007
    Date of Patent: April 26, 2011
    Assignee: Elpro-Buchs AG
    Inventors: Alois Bischof, Beat Rudolf
  • Patent number: 7934029
    Abstract: An integrated circuit 2 is provided including multiple devices 4, 6, 8, 10, 12, 14 for communicating via an interconnect 16. A sending device 18 includes a sideband signal indicating the use of a representation of a repeating data word in place of that repeating data word itself. The receiving device can then form the repeating pattern of data words in response to receipt of the representation. This reduces the bandwidth consumed upon the interconnect 16.
    Type: Grant
    Filed: February 3, 2009
    Date of Patent: April 26, 2011
    Assignee: ARM Limited
    Inventor: Nicolas Chaussade
  • Patent number: 7917733
    Abstract: An instruction code compression method and an instruction fetch circuit which are capable of reducing both the number of fetches and program codes. A reuse flag is provided in an upper bit group including operational codes, and a lower bit group including operands and having the same number of bits as the upper bit group. When 2N+1 (N is an integer of 1 or more) instruction codes having the same upper bit group continues in a series of instruction codes, respective reuse flags of the lower bit group of a 2n-th (n is an integer of 1 or more and N or less) instruction code and a (2n+1)-th instruction code in the series of instruction codes are set to “1”, and the lower bit groups of the 2n-th and (2n+1)-th instruction codes are integreted into one compressed instruction code.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: March 29, 2011
    Assignee: Oki Semiconductor Co., Ltd.
    Inventor: Shingo Kazuma
  • Patent number: 7908438
    Abstract: Associative matrix compression methods, systems, computer program products and data structures compress an association matrix that contains counts that indicate associations among pairs of attributes. Selective bit plane representations of those selected segments of the association matrix that have at least one count is performed, to allow compression. More specifically, a set of segments is generated, a respective one of which defines a subset, greater than one, of the pairs of attributes. Selective identifications of those segments that have at least one count are stored. The at least one count that is associated with a respective identified segment is also stored as at least one bit plane representation. The at least one bit plane representation identifies a value of the at least one associated count for a bit position of the count that corresponds to the associated bit plane.
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: March 15, 2011
    Assignee: Saffron Technology, Inc.
    Inventors: Michael J. Lemen, James S. Fleming, Manuel Aparicio, IV
  • Patent number: 7903643
    Abstract: A method and apparatus for determining a bandwidth needed for services to be provided over an Internet Protocol (IP) network such as a Voice over Internet Protocol (VoIP) network and a Service over Internet Protocol (SoIP) network are disclosed. For example, the service provider utilizes a tool (e.g., an algorithm or a software application) that calculates the effective compression ratio and effective data rate of traffic on an IP network based on customer specified traffic information and standards for coding, protocol overhead, sampling, etc. In one embodiment, the network service provider presents a menu to a customer to allow the customer to enter the pertinent traffic information. Once the traffic information is received, the tool will determine the Effective Data Rate (EDR) and Effective Compression Ratio (ECR).
    Type: Grant
    Filed: December 29, 2005
    Date of Patent: March 8, 2011
    Assignee: AT&T Intellectual Property II, L.P.
    Inventor: Cronder Concepcion
  • Publication number: 20110055441
    Abstract: A data compression and decompression apparatus according to an embodiment of the present invention comprises: a plurality of compression modules that implements compression algorithms with the same compression rate and different throughputs, respectively, a plurality of decompression modules that implements decompression algorithms corresponding to the compression algorithms of the compression modules, respectively, and an algorithm switching unit that switches a compression module to be used for compression of the write data and a decompression module to be used for decompression of the compressed data according to a progress of data processing in the data processing module.
    Type: Application
    Filed: April 1, 2010
    Publication date: March 3, 2011
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventor: Masato UCHIYAMA
  • Patent number: 7900197
    Abstract: An embedded system comprises a storage device, a main memory, and an operating system (OS). The storage device stores executable files, data files, and at least one dependency tag of an application which have been installed on the embedded system. The dependency tag records relationships between the application and related data files utilized by the application under various execution statuses. The OS comprises a module which, when requested to execute the application, locates the related data files of the application according to the dependency tag, loads the executable file and the related data files to the main memory, and execute the executable file.
    Type: Grant
    Filed: May 18, 2006
    Date of Patent: March 1, 2011
    Assignee: Lite-On Technology Corporation
    Inventor: Jiun-Jeng Huang
  • Patent number: 7895351
    Abstract: An information recording/reproducing system has a data storage device that stores a data stream with a predetermined data format and an information recording/reproducing apparatus, which is connected with the data storage device, for recording and reproducing the data stream. The apparatus includes information recording/reproducing portion and memory portion that stores plural species of empty data file bodies each in which additional information corresponding to a species of data format and data are assigned to loading regions. The apparatus also has selection portion that selects an empty data file body with a specified data format from the plural species of empty data file bodies. The apparatus further has information-loading portion that loads the additional information and the data into predetermined loading regions assigned in the empty data file body that has been selected by the selection portion.
    Type: Grant
    Filed: April 13, 2006
    Date of Patent: February 22, 2011
    Assignee: Sony Corporation
    Inventors: Tsukasa Honda, Kashu Takahashi, Hidetoshi Takizawa, Kaichiro Matsunami
  • Patent number: 7886093
    Abstract: Disclosed herein is an electronic device network including a plurality of electronic devices. The electronic devices may each have update agents capable of selectively decompressing compressed code and/or compressed data segments. The update agents may also be adapted to employ the decompressed code and data segments in conjunction with additional update information to update the firmware and/or software, compressed or otherwise, resident in the electronic devices. An update generator may be adapted to employ compression and decompression techniques to extract compressed code and data segments from a plurality of memory images stored in the electronic devices. The update generator may also be adapted to process the extracted information and generate update packages using the decompressed code and data segments and the additional update information. The update generator may also be adapted to selectively compress the update information in generated update packages usable for updating the electronic devices.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: February 8, 2011
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Shao-Chun Chen
  • Patent number: 7873066
    Abstract: A computer-implemented method, system and computer program product for arbitrarily aligning vector operands, which are transmitted in inter-thread communication buffer packets within a highly threaded Network On a Chip (NOC) processor, are presented. A set of multiplexers in a node in the NOC realigns and extracts data word aggregations from an incoming compressed inter-thread communication buffer packet. The extracted data word aggregations are used as operands by an execution unit within the node.
    Type: Grant
    Filed: January 26, 2009
    Date of Patent: January 18, 2011
    Assignee: International Business Machines Corporation
    Inventors: Adam J. Muff, Robert A. Shearer, Matthew R. Tubbs
  • Publication number: 20100332700
    Abstract: Data storage controllers and data storage devices employing lossless or lossy data compression and decompression to provide accelerated data storage and retrieval bandwidth. In one embodiment of the invention, a composite disk controller provides data storage and retrieval acceleration using multiple caches for data pipelining and increased throughput. In another embodiment of the invention, the disk controller with acceleration is embedded in the storage device and utilized for data storage and retrieval acceleration.
    Type: Application
    Filed: January 15, 2010
    Publication date: December 30, 2010
    Applicant: Realtime Data LLC
    Inventor: James J. Fallon
  • Patent number: 7861073
    Abstract: Embodiments of the present invention are directed to a microcontroller which includes a Register Load Assist engine. The microcontroller can include no or minimal non-volatile memory which stores boot data. Thus, most of the boot data can be stored at a non-volatile memory external to the microcontroller. An external circuit can read the externally positioned non-volatile memory and send compressed boot data to the microcontroller. The boot data can be originally stored in compressed form in the external non-volatile memory or it can be compressed by the external circuit. The boot data can be received by the microcontroller and saved in an intermediate location in the microcontroller's internal volatile memory. The RLA engine can then uncompress the boot data and store various portions of it in their final destinations (such as, for example, in respective registers).
    Type: Grant
    Filed: January 3, 2007
    Date of Patent: December 28, 2010
    Assignee: Apple Inc.
    Inventor: Thomas James Wilson
  • Patent number: 7853742
    Abstract: An embodiment of the present invention is a system and method relating to shrinking, or optimizing, executable images resulting is a savings of storage space. In at least one embodiment, the present invention removes unnecessary fields, or information, from an executable image header before storing the image on a flash for a target platform. The removal of information that is irrelevant to the target platform allows the executable to take up less space on the flash memory. When loaded, the image is interpreted based on the optimized header information. In an embodiment, the image may be further compressed by known methods, to save additional space. Other embodiments are described and claimed.
    Type: Grant
    Filed: April 26, 2004
    Date of Patent: December 14, 2010
    Assignee: Intel Corporation
    Inventors: Michael A. Rothman, Vincent J. Zimmer, Greg P. McGrath
  • Publication number: 20100310147
    Abstract: A data transfer system capable of avoiding slowdown of processing while protecting contents of data to be transmitted is provided. The data transfer system includes a transmitting apparatus that transmits data and a receiving apparatus that receives the transmitted data.
    Type: Application
    Filed: May 10, 2010
    Publication date: December 9, 2010
    Applicant: FUJIFILM CORPORATION
    Inventor: Yukio SUGITA
  • Patent number: 7849241
    Abstract: The disclosed heterogeneous processor compresses information to more efficiently store the information in a system memory coupled to the processor. The heterogeneous processor includes a general purpose processor core coupled to one or more processor cores that exhibit an architecture different from the architecture of the general purpose processor core. In one embodiment, the processor dedicates a processor core other than the general purpose processor core to memory compression and decompression tasks. In another embodiment, system memory stores both compressed information and uncompressed information.
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: December 7, 2010
    Assignee: International Business Machines Corporation
    Inventors: Michael Karl Gschwind, Barry L Minor
  • Patent number: 7844765
    Abstract: A KVM switch is connected to a server, and a client via a network. The KVM switch includes: a signal processing portion that receives an analog image signal corresponding to screen data displayed on a display device of the client from the server, executes analog/digital conversion to the analog image signal, and stores a converted digital image signal as the screen data into a memory; a detecting portion that, when new screen data is stored, detects data corresponding to a changing part of the new screen data to screen data that has already been stored into the memory; a thinning-out portion that thins out the detected data corresponding to the changing part; and a transmitting and receiving portion that transmits data corresponding to the changing part after the thinning-out to the client, and receives operation data from an input device connected to the client.
    Type: Grant
    Filed: August 22, 2008
    Date of Patent: November 30, 2010
    Assignee: Fujitsu Component Limited
    Inventors: Shinichi Katayama, Hideki Onishi, Fujio Seki, legal representative, Naoyuki Nagao
  • Patent number: 7840774
    Abstract: Various embodiments of a computer-implemented method, system and computer program product maintain a logical page having a predetermined size. Data is added to an uncompressed area of the logical page. The uncompressed area of the logical page is associated with an uncompressed area of a physical page. The logical page also has a compressed area associated with a compressed area of a physical page. In response to exhausting the uncompressed area, data in the uncompressed area is included in the compressed area. The uncompressed area is adjusted.
    Type: Grant
    Filed: September 9, 2005
    Date of Patent: November 23, 2010
    Assignee: International Business Machines Corporation
    Inventors: Jeffrey Allen Berger, You-Chin Fuh, Sauraj Goswami, Balakrishna Raghavendra Iyer, Michael R. Shadduck, James Zu-Chia Teng, Stephen Walter Turnbaugh