Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8179757 | Method and apparatus for recording and reproducing information on and from optical disc An apparatus for recording and reproducing an information signal on and from an optical disc includes a memory. The information signal is written into the memory. The information signal is read out from the memory. An optical head generates a laser beam in response ... | 05/15/2012 |
| 8159913 | Optical disc recording apparatus and recording power control method It is to provide an optical disc recording apparatus and a recording power control method that are adapted to high-speed recording and can set an optimal erasing power with high accuracy. A test writing signal detector reproduces a test writing signal of a predeterm... | 04/17/2012 |
| 8149663 | Multilayer-optical-disc data-erasure method and optical disc apparatus In response to the trend toward the increase in the number of data layers of optical discs, the invention provides a data erasure method and its optical disc apparatus that enable faster data erasures with a simpler configuration. Test erasures are performed on the ... | 04/03/2012 |
| 8149662 | Method and apparatus for determining optimum laser power A method for determining an optimum laser power for a recording medium. The method includes checking if a portion of an unused area in a test area on the recording medium is defective, and performing an optimum laser power operation in a used area in the test area, ... | 04/03/2012 |
| 8144556 | Optical disc recording apparatus and method, and computer program An information recording apparatus (1) is provided with: a recording device (102) for recording information onto an information recording medium (100) by irradiating the information recording medium with a recording laser beam (L); a controlling... | 03/27/2012 |
| 8139455 | Information storage medium and method and apparatus for recording/reproducing data on/from the same An apparatus for recording data on an information storage medium including a plurality of recording layers, each having a user data area, on which data is recordable by a pickup. Data is recorded in the order of recording layers from closest to farthest from the pic... | 03/20/2012 |
| 8139456 | Optical recording method and optical recording device In a recording method for recording information on an optical recording medium (500) according to the parameters of a write strategy by repeatedly recording (S23) a certain amount of information onto the optical disc (500) and entering a standby... | 03/20/2012 |
| 8130611 | Method and an apparatus for recording information, and an information recording medium In a method for recording information on an information recording medium having a data recording area for storing user data and a test area used for test recording by a recording apparatus, it is detected whether the test area is unusable when executing the test rec... | 03/06/2012 |
| 8125865 | Optical disc and optical disc apparatus A recordable dual-layer optical disc which allows precise recording learning on both layers. A first information recording layer located further from the light incidence side includes a read-only control data area, a first test area, and a second test area. A second... | 02/28/2012 |
| 8121004 | Method for adjusting recording power and optical disk apparatus A method for adjusting recording power of an optical disk apparatus having an output circuit that outputs recording light onto a test writing area of an optical disk, and a control circuit that adjusts the recording power of the recording light outputted from the ou... | 02/21/2012 |
| 8116181 | Apparatus for and method for recording data on a rewritable optical record carrier A recording device for recording data on a rewritable optical record carrier (11). The device comprises recording means (21, 22, 25) for forming marks on the record carrier during recording operations by irradiating the record carrier with a radiation ... | 02/14/2012 |
| 8107335 | Method and apparatus for recording and reproducing information on and from optical disc An apparatus for recording and reproducing an information signal on and from an optical disc includes a memory. The information signal is written into the memory. The information signal is read out from the memory. An optical head generates a laser beam in response ... | 01/31/2012 |
| 8098551 | Recording power calibrating method for improving seeking stability on recording power calibration area In an optimal recording power calibration method for improving seeking stability on a recording power calibration area, a specific area serves as a data recording area during an optimal recording power calibration, wherein a length of the specific area is such that ... | 01/17/2012 |
| 8098552 | Information processing device and method and program An information processing device includes: a writing and erasing means for writing and erasing predetermined information to and from a predetermined recording area of a writable optical disc serving as a recording medium; an estimation information writing means for ... | 01/17/2012 |
| 8085634 | Optical disk drive, and method for determining recording strategy An optical disk drive for recording data in accordance with a recording strategy determines a recording strategy of an unknown optical disk through comparatively-simple processing. When a loaded optical disk is an unknown disk, a control section reads a recommended ... | 12/27/2011 |
| 8081546 | Optical disk apparatus for performing power control An optical disk apparatus for performing ROPC. A controller of the optical disk apparatus detects the quantity of reflected light Bo acquired when OPC is performed to set initial recording power Po; computes recording power P such that Bo/Pon=B/Pn | 12/20/2011 |
| 8072857 | Method and apparatus of determining a recording condition for optical disc An optical disc writing condition determining method according to the present invention includes the steps of: performing a first test write operation at a low speed on an inner test track; setting condition A for performing a write operation at the low speed on the... | 12/06/2011 |
| 8068395 | Recording device and method of adjusting laser power A recording device including: an optical head section for irradiating a recording medium with laser to record and reproduce information; a laser driving section for driving the optical head section to output laser; and a control section for, in a process of adjustin... | 11/29/2011 |
| 8068394 | Recording method of optical disc drive The invention is to provide a recording method of an optical disc drive, which first calibrates the write power with minimum recording speed, adjusts write powers for higher speeds, searches a blank area in a lead-out area of a disc to record with write powers for a... | 11/29/2011 |
| 8064303 | Analysis of optical effects on storage medium The invention relates to a method for setting an optimum value of a write parameter for use in an optical recording apparatus for writing information on an optical recording medium by means of a radiation beam. The optimum value of a write parameter is found by deri... | 11/22/2011 |
| 8059506 | Digital video recorder wide dynamic range optical power calibration A method and apparatus are presented for optimizing write operations for optical storage media. A determination is made, at least in part by iteration, of a next power range and a current score for a current power range. If it is determined that the current score is... | 11/15/2011 |
| 8054721 | Method and apparatus for determining writing power for recording data A method and apparatus for determining an optimal writing power for recording data on a recording medium such as an optical disk, are discussed. The method according to an aspect of the present invention includes (a) performing a plurality of OPC operations on a plu... | 11/08/2011 |
| 8054720 | Optical disc device and laser power control method An optical disk apparatus according to the present invention generates a divided clock signal by dividing a recording clock signal, and based on the divided clock signal, determines a test emission pattern for test recording which is used for controlling the power o... | 11/08/2011 |
| 8040771 | Optical disc apparatus and method for controlling overwrite power An optical disc apparatus capable of improving an overwrite performance for performing an overwrite operation on a re-writable type optical disc. The apparatus includes a calculating section which calculates out a recording power at the time of previously performing... | 10/18/2011 |
| 8040770 | Recording method and optical disc apparatus A recording power adjustment process to adjust a recording power is carried out in each recording layer of a multilayered optical disc, and a shift test writing process to adjust the pulse condition of a recording pulse is carried out only with regard to some of the... | 10/18/2011 |
| 8023374 | Optical disc recording and reproduction device and an optical disc recording and reproduction method Trial writing is made by recording waveform different from that used to record information in a disc. In the trial writing, particularly, the strategy having short cooling time or large cooling power is used to make recording, so that the jitter characteristic havin... | 09/20/2011 |
| 8023375 | Recording/reproducing device and laser driving pulse adjusting method A recording/reproducing device includes an optical head unit which performs writing and reading of information expressed by marks and spaces on an optical recording medium by irradiating laser light onto the optical recording medium, a laser driving pulse generating... | 09/20/2011 |
| 8018804 | Method and apparatus to determine an optimum reproducing condition on an optical recording medium A method of determining an optimum reproduction condition of a first mark recorded on an optical recording medium that is smaller than a resolution of a pickup to reproduce the first mark. The method includes obtaining an optimum reproduction condition of a second m... | 09/13/2011 |
| 8014243 | Method and apparatus for performing beta prediction for high-speed writing on unknown recordable optical discs A method is disclosed for performing Beta prediction for high-speed writing on unknown recordable optical discs. Test recordings are performed in the inner (20) and outer test (40) zones of an unknown recordable optical disc, yielding results expressed... | 09/06/2011 |
| 8009533 | Optical disc apparatus, a method of performing an optical power study of an optical disc apparatus, and a method of detecting a writing power of an optical disc apparatus An optical disc apparatus and a method of performing an optical power study and detecting writing power in the optical disc apparatus. An optical pickup includes a light source to emit a laser beam according to an input optical power signal, an optical power detecto... | 08/30/2011 |
| 8009534 | Method of recording data in multilayered recordable optical recording medium, recording and reproducing apparatus for recording the data in the recording medium and the recording medium A method of recording data in a multilayered recordable optical recording medium is disclosed. When test recording is executed in a multilayered recordable optical recording medium having N recording layers (N is an integer of 2 or more), a test recording range in a... | 08/30/2011 |
| 8009535 | Recording apparatus and method, computer program, and recording medium A recording apparatus includes: a first calculating device for calculating an optimum power for recording the data pattern into a recording-scheduled area (RSA) in an inner area; a first controlling device recording the data pattern with the optimum power outside an... | 08/30/2011 |
| 8004941 | Optical disk apparatus and test writing method Test writing is executed while skipping areas where deviations are present on an optical disk to thereby improve accuracy and reliability of an optimum recording condition to be derived. A deviation detecting unit detects the deviations of a guide groove on the opti... | 08/23/2011 |
| 8004943 | Optical disc recording method and optical disc having multiple layers with non-overlapping test recording areas in adjacent layers A recording method for an optical disc having at least three recording layers (11, 12, 13, 14), in which test recording areas are formed in the odd-numbered recording layers (11, 13) and the even-numbered recording layers (12, 14) in positions t... | 08/23/2011 |
| 8004942 | Method and apparatus for reading Aspects of the disclosure provide a method to efficiently calibrate parameters of a memory reading device. The method can include defining two or more value sets for the parameters of the memory reading device to read a memory medium, reading the memory medium with ... | 08/23/2011 |
| 8000194 | Optical disc apparatus, method of adjusting focus offset for optical disc apparatus, and program for executing focus offset adjustment In an optical disc apparatus, whether an unrecorded recording layer without information recorded thereon is included in the multiple recording layers of the optical disc mounted inside the apparatus is judged. then when the unrecorded recording layer is judged to be... | 08/16/2011 |
| 7995435 | Method and apparatus for recording data on optical disc An apparatus and method for recording data on an optical disc, are discussed. In an embodiment of the present invention, when recording of real-time input data in a high quality mode is requested, an Optimum Power Control (OPC) operation for recording is performed w... | 08/09/2011 |
| 7983126 | Optical-information recording apparatus and method and signal processing circuit A recording condition approximate to the optimal is obtainable for a media even if unknown to the drive. A technique is provided that is effective for improving the signal quality, particularly, at a Wobble and Lpp. By regulating an intermediate pulse condition PWD,... | 07/19/2011 |
| 7978575 | Automatic write strategy calibration method for optical drive An optical media playback device includes a memory to store calibration data specifying how a mark of a particular length should be formed on an optical storage media. A control module writes a training pattern onto the optical storage media based on the calibration... | 07/12/2011 |
| 7978574 | Optical information recording method, optical information recording apparatus, and optical information recording medium A laser drive circuit is utilized to record data with a good signal quality over a wide range of linear velocities to an optical information recording medium. Specifically, the laser drive circuit of an optical information recording apparatus sets a ratio of a recor... | 07/12/2011 |
