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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8159767 | Repeatable runout evaluation method for a stamper According to one embodiment, a stamper has three-dimensional patterns in a dummy region. The three-dimensional patterns have a repeatable run out of 1 nm or less between the 15th and 40th orders when the rotational frequency is the first order as a reference. ... | 04/17/2012 |
| 7903358 | Data storage device A data storage device includes: a recording medium that has two or more system data recording areas where system data are recorded on a multiple basis, and a user data recording area where user data is recorded; a head that writes and reads data into and from the re... | 03/08/2011 |
| 7715133 | Method for duplicating data A method of the present invention duplicates data of a source medium to target media. The source medium is stored ground data and effective data, wherein the ground data are repeated to fill up the source medium and the effective data overwrite some of the ground da... | 05/11/2010 |
| 7663826 | Method and apparatus for copying data from one disc drive to another disc drive A method and an apparatus for copying data of a disc drive are provided. The method includes: determining whether the first disc drive has a predetermined jumper pin connection by identifying which of a plurality of jumper pins in a jumper block of the first disc dr... | 02/16/2010 |
| 7558011 | Video recorder to be connected to a digital video camcorder via IEEE 1394 serial bus A video recorder connected to a DV camcorder comprises: a microprocessor; a program data file for storing time codes in stream data on a DV tape corresponding to dubbing start and end positions (“start and end time codes”) when a user commands the start and end ... | 07/07/2009 |
| 7460321 | System, method, and apparatus for forming a patterned media disk and related disk drive architecture for head positioning A solution to the problem of long, e-beam mastering times needed for patterning masters for patterned magnetic disk media is disclosed. A process for fabrication of masters takes advantage of the circular symmetry of magnetic disks and reduces the total required mas... | 12/02/2008 |
| 7443622 | Magnetic recording medium, magnetic recording/reproducing apparatus, and stamper for manufacturing the magnetic recording medium A reliable magnetic recording medium is provided which comprises a servo signal unit portions formed in a concavo-convex shape, easily produced, and resistant to tracking error. Also provided are a magnetic recording/reproducing apparatus which incorporates the magn... | 10/28/2008 |
| 7440207 | Magnetic-transfer method, magnetic recording medium, and magnetic recording device Provided is a method of magnetic transfer. The method includes initially DC-magnetizing a transfer-recipient disc in a circumferential direction, by applying a magnetic field to the transfer-recipient disc in the circumferential direction thereof bringing initially ... | 10/21/2008 |
| 7440675 | AV information reproducing system and a reproducing method applied to the same system In a system for reproducing AV information from a recording medium, such as a DVD, not only are usual titles reproduced, but also related information relevant to specific stream information is acquired easily by making use of resources on a computer network. In a re... | 10/21/2008 |
| 7421434 | Apparatus and method for musical tune playback control on digital audio media A musical tune playback control apparatus adapted to a music playback apparatus performs prescribed musical tune playback controls on a digital audio medium (or a digital storage medium, e.g., a CD and a MD) in association with a storage device such as a hard disk d... | 09/02/2008 |
| 7420757 | Method and apparatus for magnetic transfer A magnetic transfer wherein the exchange of master mediums is made easy to perform is provided, whereby the operational efficiency and transfer efficiency are improved, leading to an overall improvement in productivity in the manufacture of preformatted slave medium... | 09/02/2008 |
| 7372657 | Mechanism for minimizing unload times in a tape drive system In one embodiment, a method and apparatus for minimizing unload times in a tape drive system is disclosed. The method includes: writing to a tape in serpentine format; reaching a comparison point on the tape, wherein at the comparison point an actual capacity is com... | 05/13/2008 |
| 7369337 | Magnetic field application apparatus, magnetic transfer apparatus and method for producing magnetic recording medium A magnetic field application apparatus includes a pair of magnetic field application means, each of which is arranged, at least during application of a magnetic field, on either side of a magnetic field application target so as to face each other, and which generate... | 05/06/2008 |
| 7362948 | Video copying apparatus When execution of copying of video and audio from a DVD from a videotape is instructed, a video copying apparatus 1 detects the remaining amount of the videotape set in a apparatus and reproduction time of video and audio copied to the videotape and based on ... | 04/22/2008 |
| 7356514 | Reproduction apparatus and reproduction method of digital video signal or audio signal A reproduction method and apparatus for reproducing video data and/or audio data from a recordable medium having video data and/or audio data recorded thereon. The video data and/or audio data is generated by superimposing information concerning an attribute of a vi... | 04/08/2008 |
| 7349552 | Connected audio and other media objects Media objects are transformed into active, connected objects via identifiers embedded into them or their containers. In the context of a user's playback experience, a decoding process extracts the identifier from a media object and possibly additional context inform... | 03/25/2008 |
| 7336887 | Content play back, information processing, and play back restriction Provided is a content play back apparatus including: a play back means for playing content including audio or video; a play list managing means for managing a play list which is a list of identification information on content previously played by the play back means... | 02/26/2008 |
| 7333289 | Magnetic recording and reproducing apparatus, method of controlling the same, magnetic recording medium, and stamper for manufacturing magnetic recording medium A magnetic recording and reproducing apparatus and a method of controlling the same, capable of increasing the output of a position control signal and performing a precise positioning control of a magnetic head. The magnetic recording and reproducing apparatus has: ... | 02/19/2008 |
| 7326869 | Tactile feedback plunger switch A tactile feedback switching mechanism having a plurality of switching states. The tactile feedback switching mechanism includes a plunger switch having a plunger. When the plunger is displaced a given distance the switch changes state. A covering lies at least over... | 02/05/2008 |
| 7328148 | Transferring compressed audio via a playback buffer A method for transferring real time information on a record carrier, typically bitstream audio on an optical disc, which method comprises encoding consecutive segments of the real time information to compressed real time data in frames, and determining a buffer occu... | 02/05/2008 |
| 7323986 | Reusable tamper respondent enclosure The present invention relates to a tamper respondent enclosure which may be opened and closed as many times as necessary. In particular, the present invention relates to a re-usable tamper respondent enclosure comprising a first sensing means and a second sensing me... | 01/29/2008 |
| 7319568 | Magnetic recording media, magnetic recording apparatus, and stamper A magnetic recording media has a magnetic layer formed on a substrate and includes data regions including a magnetic pattern constituting a recoding track and servo regions including magnetic patterns used as address bits, the data regions and the servo regions bein... | 01/15/2008 |
| 7312939 | System, method, and apparatus for forming a patterned media disk and related disk drive architecture for head positioning A solution to the problem of long, e-beam mastering times needed for patterning masters for patterned magnetic disk media is disclosed. A process for fabrication of masters takes advantage of the circular symmetry of magnetic disks and reduces the total required mas... | 12/25/2007 |
| 7312940 | Magnetic transfer apparatus A magnetic transfer apparatus is provided with a transfer holder. A master information carrier and a slave medium are accommodated in the transfer holder in an overlapping state where they are opposed to each other and held in close contact with each other. The mast... | 12/25/2007 |
| 7310823 | Digital information recording apparatus and outputting apparatus A digital information recording apparatus includes multiple recording circuits for making multiple copies. The apparatus limits the number of copies, however, in accordance with copy information provided within the digital information itself. When the number of copi... | 12/18/2007 |
| 7286745 | Providing a capability to sort contents data and to maintain a current sorting mode A reproducing apparatus is disclosed, that has at least one record medium on which contents data and related information thereof are recorded, for handling the contents data and the related information, the record medium being attachable to and detachable from the r... | 10/23/2007 |
| 7272093 | Apparatus for controlling an optical disk drive by calculating a target frequency of a DPLL signal A control circuit for an optical disk drive includes a frequency detector, a phase detector, a low pass filter, a voltage-controlled oscillator (VCO), and a controller. The frequency detector and the phase detector both receive an eight-to-fourteen modulation (EFM) ... | 09/18/2007 |
| 7266052 | Method for operation optical disc changer using virtual memory A data processing method of a virtual optical disk applied in an optical disk system is provided. The method includes steps as follows: Firstly a sound source determining procedure is executed. If the sound source is not from a virtual optical disk, a pre-processing... | 09/04/2007 |
| 7263190 | System for securing the confidentiality of electronically stored data in the event of the physical theft thereof To secure the confidentiality of data stored in data storage devices, a position determination system is mechanically coupled to the data storage devices and continuously determines a position thereof. A processor, provided with an authorized location for the data s... | 08/28/2007 |
| 7263189 | Data transmission and receiving apparatus for digital broadcast signals which include control information In a transmission apparatus, still picture outputting control information is multiplexed to a transmission signal and in a receiving apparatus, still picture is extracted from moving picture. Still picture data to be outputted can be processed and the charge can be ... | 08/28/2007 |
| 7247805 | Switch actuation method and mechanism A mechanism is provided for actuating a switch that transmits motion from a first component, which moves along a first path, to a system that is attached to the mechanism. The mechanism includes a second component that moves transverse to the first path and a third ... | 07/24/2007 |
| 7240143 | Data access and address translation for retrieval of data amongst multiple interconnected access nodes A low-latency storage memory system is built from multiple memory units such as high-density random access memory. Multiple access ports provide access to memory units and send the resultant data out interface ports. The memory units communicate with the access port... | 07/03/2007 |
| 7230795 | Recording medium having reduced surface roughness Provided are a manufacturing method for a magnetic recording medium enabling efficient and reliable manufacturing of a magnetic recording medium with minimal surface roughness and good precision in recording and reading information, and a magnetic recording medium w... | 06/12/2007 |
| 7228379 | Systems and methods for removing data stored on long-term memory devices An application specific device for erasing data from a long-term storage device includes a power supply, a control circuit, and an interface to the storage device. The control circuit controls the long-term storage device to irretrievably remove data from the storag... | 06/05/2007 |
| 7221528 | Magnetic alignment marking of hard disks Magnetic alignment marks are recorded on a recording surface of a magnetic hard disk to mark the location where the disk is abutted against the hub of the spindle of a multiple-disk servo-writer. The alignment marks for each recording surface may be different so as ... | 05/22/2007 |
| 7218834 | Method and apparatus for recording and playing back monitored video data A method and an apparatus for recording and playing back monitored video data for recording monitored video data generated continuously for a long time on a magnetic tape, with less S/N degradation by shortening the operation time of the VTR to suppress the degradat... | 05/15/2007 |
| 7209308 | Communication apparatus communicating with recording medium memory and recording medium drive apparatus A system using a tape cassette (1) with a memory (4) as a recording medium is provided. In the memory (4) provided in the tape cassette (1) used in the system, there is formed a storage area where instruction/object information in which a... | 04/24/2007 |
| 7194195 | Software based digital video recorder device A system and method for converting information stored on a magnetic medium to DVD format. A tape transport mechanism may sample information stored on a magnetic medium at a selected rate where the selected rate is correlated to an available buffer size in a data pro... | 03/20/2007 |
| 7190537 | Self-raid system using hard disk drive having backup head and method of writing data to and reading data from hard disk drive having backup head A self-Redundant Array of Inexpensive Disks (RAID) system using a hard disk drive having a backup head and a method of writing data to and reading data from the hard disk drive having the backup head are provided. A self-RAID (Redundant Array of Inexpensive Disks) s... | 03/13/2007 |
| 7187842 | Optical disc, recording apparatus, playback apparatus, program, computer-readable recording medium, recording method and playback method A recording apparatus for an optical disc is provided which stores a VOB, the recording apparatus performing: receiving, from an operator, an operation to specify a preceding reproduction section and a subsequent reproduction section from the VOB through an interact... | 03/06/2007 |
