Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8185803 | Apparatus for providing error correction capability to longitudinal position data A method and apparatus for providing error correction capability to longitudinal position data are disclosed. Initially, data are encoded via a set of even LPOS words and a set of odd LPOS words. The encoded data are then decoded by generating a set of syndrome bits... | 05/22/2012 |
| 8037346 | Avoiding a part of tape where error occurs by computing a number of records and a number of boundary marks included in an error data unit A system for processing a data read error from a tape medium in one embodiment includes a reading section for reading data in data units from a tape medium; a reading control section for controlling said reading section to read data, and on condition that if an erro... | 10/11/2011 |
| 7734986 | Write margin adjustment mechanism in a tape drive system A method for dynamically adjusting read margin and write margin in a tape drive system to recover data is disclosed. The method includes the operations of monitoring a write driver to determine if a change in rewrite activity to a medium has changed and adjusting a ... | 06/08/2010 |
| 7433141 | Data randomization for rewriting in recording/reproduction apparatus A data recording/recovery device (20) comprises a packet generator (34) for including recordable information into a packet (44), the packet initially having a nominal run length limited (RLL) sequence if it were RLL encoded. A randomizer (38 | 10/07/2008 |
| 7421640 | Method and apparatus for providing error correction capability to longitudinal position data A method and apparatus for providing error correction capability to longitudinal position data are disclosed. Initially, data are encoded via a set of even LPOS words and a set of odd LPOS words. The encoded data are then decoded by generating a set of syndrome bits... | 09/02/2008 |
| 7415653 | Method and apparatus for vectored block-level checksum for file system data integrity A method for storing a data block, involving storing the data block in a storage pool, obtaining a data block location, determining a checksum function for the data block, calculating a data block checksum using the checksum function for the data block, and storing ... | 08/19/2008 |
| 7398351 | Method and system for controlling access to data of a tape data storage medium using encryption/decryption of metadata A method, system, and machine-readable medium for controlling access to data of a tape data storage medium are disclosed. In accordance with one embodiment, a method is provided which comprises conveying data access control metadata from a tape cartridge comprising ... | 07/08/2008 |
| 7376888 | Interleaved recording of separated error correction encoded information An error correction code system, e.g. of a magnetic tape drive, applies error correction redundancy to data, separates it, or interleaves it, and records it into separate groups. An error correction encoder applies an outer error correction code to one of the separa... | 05/20/2008 |
| 7360136 | Increasing the effectiveness of error correction codes and operating multi-level memory systems by using information about the quality of the stored data The quality of data stored in a memory system is assessed by different methods, and the memory system is operated according to the assessed quality. The data quality can be assessed during read operations. Subsequent use of an Error Correction Code can utilize the q... | 04/15/2008 |
| 7269687 | Bounding defective regions of a tape storage medium Systems and methods for storing data on a tape medium and coping with defective regions on the tape medium are provided. The method includes: writing a plurality of envelopes of data onto the tape medium, each envelope of data comprising a plurality of blocks of dat... | 09/11/2007 |
| 7266751 | Data recording method and data recording apparatus In a data recording method and a data recording apparatus relating to the present invention, ECC blocks using 36 product codes are recorded on 12 tracks through scanning operations performed three times. First of all, first sync-blocks each constituted by adding a C... | 09/04/2007 |
| 7213190 | Data processing apparatus and method A data processing apparatus according an aspect of this invention has a syndrome calculation unit configured to calculate the syndrome of a demodulated data sequence. The syndrome calculation unit includes a calculation unit configured to make the calculation requir... | 05/01/2007 |
| 7159166 | Error correction method, error correction circuit and information-recording/reproduction apparatus An error correction method is provided as follows: handling a 2-event error generated very frequently as an object of correction; sequentially finding CRC data for a generated event of an error handled as the defined object of correction at any arbitrary bit positio... | 01/02/2007 |
| 7151754 | Complete user datagram protocol (CUDP) for wireless multimedia packet networks using improved packet level forward error correction (FEC) coding A complete User Datagram Protocol (CUDP) is disclosed that reduces packet loss. Channel frame error information is used with a packet level forward error correction (FEC) coding technique to accommodate wireless multimedia traffic. Each packet, as well as the channe... | 12/19/2006 |
| 7092177 | Methods for searching for SAM patterns using multiple sets of servo demodulation detection parameters Methods for searching for a servo address mark (SAM) pattern using multiple sets of servo demodulation detection parameters are provided. A SAM pattern is searched for using a first set of servo demodulation detection parameters. The SAM pattern is also searched for... | 08/15/2006 |
| 7085424 | Method and system for compressing motion image information A method and system for compressing motion image information, which can compress data that can be subjected to predictive encoding. An image within a frame is divided into blocks before an inter-frame compression procedure begins, and each block is approximated with... | 08/01/2006 |
| 7075742 | Servo demodulator systems including multiple servo demodulators Servo demodulation systems including multiple servo demodulators are provided. A first servo demodulator is adapted to search for a servo address mark (SAM) pattern using a first set of servo demodulation detection parameters. A second servo demodulator is adapted t... | 07/11/2006 |
| 7072128 | Methods for searching for SAM patterns at multiple nominal frequencies Methods are provided for improving servo-demodulation robustness, especially when used with a disk having zone bit recorded servo wedges. A servo address mark (SAM) pattern is searched for, within a servo wedge, at a first nominal frequency useful for searching for ... | 07/04/2006 |
| 7072131 | Water marking in a data interval gap A storage device in which file data is divided into multiple blocks for storage on a recording medium. The storage device includes an additional data storing section for storing additional data to be recorded on the recording medium in association with the data to b... | 07/04/2006 |
| 7054083 | Systems for searching for SAM patterns at multiple nominal frequencies Systems are provided for improving servo-demodulation robustness, especially when used with a disk having zone bit recorded servo wedges. The systems include a first servo demodulator adapted to search for a servo address mark (SAM) pattern, within a servo wedge, at... | 05/30/2006 |
| 7047476 | Code error corrector A code error corrector that enables high speed reproduction of DVD data with a high error correction capability. The data read from the DVD is stored in a DRAM. A PI correction circuit, which performs error correction with an inner parity, and a PO correction circui... | 05/16/2006 |
| 7023636 | Information recording/reproducing apparatus A playback error associated with overwriting on a narrow-width track is prevented from occurring in the overwritten portion. A signal generator (11) generates a signal of a predetermined data pattern that stabilizes the operation of a synchronizing pulse gene... | 04/04/2006 |
| 7019922 | Apparatus and method to read information from a tape storage medium A method to read information from a tape storage medium, where that tape includes a calibration region and a data region. The method uses a read channel having a first detection mode and a second detection mode. The method initializes the first detection mode and fo... | 03/28/2006 |
| 7016133 | Systems for detecting multiple occurrences of a SAM pattern to thereby improve servo-demodulation robustness Systems are provided for improving servo-demodulation robustness. Multiple occurrences of a SAM pattern are searched for in a single servo wedge. Each detection of the SAM pattern in the servo wedge is charactered as a good SAM detection or a bad SAM detection. If m... | 03/21/2006 |
| 7006315 | Systems for improving servo-demodulation robustness Systems are provided for improving servo-demodulation robustness. SAM pattern detections are characterized as either good SAM detections or bad SAM detections. Further servo functions are then based on whether the detection of the SAM pattern in a servo wedge was ch... | 02/28/2006 |
| 6995935 | Methods for detecting multiple occurrences of a SAM pattern to thereby improve servo-demodulation robustness Methods are provided for improving servo-demodulation robustness. Multiple occurrences of a SAM pattern are searched for in a single servo wedge. Each detection of the SAM pattern in the servo wedge is charactered as a good SAM detection or a bad SAM detection. If m... | 02/07/2006 |
| 6978414 | Method and apparatus for protecting against errors occurring in data storage device buffers A linear tape data storage device comprises a read head and a write head; a tape transport mechanism for transporting the linear tape data storage medium across the read head and the write head, the device being operated according to a predefined tape format; a DRAM... | 12/20/2005 |
| 6912318 | Method and system for compressing motion image information A method and system are disclosed for compressing motion image information by means of predictive coding with a high compression ratio while maintaining high image quality. An image in each frame is divided into blocks in advance, and each of all blocks is approxima... | 06/28/2005 |
| 6877128 | Weighted error/erasure correction in a multi-track storage medium A method, computer program product, and data processing system for recovering corrupted data in a multi-track storage medium, such as magnetic tape, using a Reed-Solomon or other similar error correcting code system, is disclosed. A correction history keeping a tall... | 04/05/2005 |
| 6877127 | Quality control in data transfer and storage apparatus Data from a host computer is buffered, transferred to a logical formatter, compressed and converted to a format suitable for storage on a magnetic tape before being arranged and written sequentially into a main buffer where parity bytes are added as each row of a da... | 04/05/2005 |
| 6832042 | Encoding and decoding system in an optical disk storage device An encoding/decoding system in an optical disk storage device for performing compact disc/digital video disk (CD/DVD) encoding/decoding of data. The encoding/decoding system includes address mappers for C1, C2, CD P/Q, and DVD inner/outer codes respectively and a sh... | 12/14/2004 |
| 6792568 | Data transfer and storage device and method Data transferred from a host system to magnetic tape storage are divided into blocks that are converted, written to storage and read. An error checker determines whether errors in each block exceed a predetermined number. The result is output with corresponding head... | 09/14/2004 |
| 6772390 | Erasure correction for ECC entities A method of determining error values including loading an error correction code (ECC) entity having rows representing data symbols, determining an error location for a first row, generating an error syndrome for the first row, determining an erasure constant array f... | 08/03/2004 |
| 6757848 | Recovery of user data from partially incorrect data set in tape data storage system Herein disclosed a method and apparatus for recovering user data from a data set comprising a plurality of sub data sets, wherein each data set contains a valid data length information, which is compared with an amount of valid user data collected from the data set ... | 06/29/2004 |
| 6651214 | Bi-directional decodable Reed-Solomon codes A bidirectional code decoding method and apparatus is presented. It uses a class of Reed-Solomon codes capable of bidirectional decoding, more specifically, those for which a value of L for a Galois Field element L is chosen as -(R-1)/2 ... | 11/18/2003 |
| 6604221 | Error propagation control method in decision feedback equalization and magnetic recording/reproducing device An error propagation control method and a recording/reproducing device which uses the method in a system which makes use of MDFE are disclosed. In the error propagation control method in accordance with multi-level decision feedback equalization in which ... | 08/05/2003 |
| 6557141 | Magnetic media certification Write on the fly certification of magnetic media includes detecting the start of a defect. A sequence of defect matrices is written over the defect with a write element in a read-after-write head. Each defect matrix in the sequence is read with a read ele... | 04/29/2003 |
| 6513139 | Digital data recording channel An apparatus for encoding digital data for storage on a data storage medium includes a non-deterministic randomizer code generator. The randomizer code generator may select different randomizer codes for different portions of the data to be stored. The ra... | 01/28/2003 |
| 6367048 | Method and apparatus for logically rejecting previously recorded track residue from magnetic media A method for logically rejecting previously recorded track residue from magnetic media is presented. A session ID unique to a given recording session is encoded into track packet error check and error correction codes but is not itself actually written to... | 04/02/2002 |
| 6367047 | Multi-level error detection and correction technique for data storage recording device A multi-level error correction technique for maintaining data integrity in a data recording/recovery device is presented. Data is stored in buffer packets in a segment of a data buffer before being recorded to a storage medium. Error correction codes are ... | 04/02/2002 |
