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7391694 System and method for embedding optical drive compatibility information in optical media  
Compatibility information embedded in an optical medium modifies actions allowed by predetermined non-compatible optical disc drives on the optical medium, such as optical disc drives that may...
7391691 Method for facilitating copyright protection in digital media and digital media made thereby  
In one embodiment, a disc has a substrate; a data layer on the substrate; an anomaly-feature in the data layer disc capable of generating a read anomaly having a predictable anomaly profile; and...
7391685 Method for limited recording of an information signal, system for controlled recording of an information signal, and information signal recording apparatus  
A recorder provides to a recorder/player via a high-speed bus content-related information such as a digital audio signal as information, a content ID being identification information on the digital...
7376581 System and method for providing access to electronic works  
The present invention is a system and method for providing access to electronic works over a network. In a preferred embodiment, the present invention offers a user access to electronic copies of...
7376061 Reproducing apparatus, reproducing method, and contents recording method  
In the reproducing apparatus of the present invention, only such audio data which is recorded on a first recording area among audio data recorded on a recording medium is reproduced, linked to...
7372801 Reproduction-only optical disc and method of recording and/or reproducing data on and/or from the same  
A reproduction-only optical disc has a lead-in area, a user data area, and a lead-out area. Disc related information recorded on at least one of the lead-in area and the lead-out area is recorded...
7372795 Recording apparatus and method for generating an index file for a content file  
Before each content file is recorded first to a recording medium, a flag indicating a recording state of a content file is generated corresponding to a physical area where an index file can be...
7372789 Information recording and reproducing apparatus, and information recording and erasing method  
When data is recorded on an optical disc capable of recording information only once, such as a DVD-R and the like, encrypted data obtained by encrypting the recording data and a key for decrypting...
7370367 Security device and article incorporating same  
A compact disc ( 10 ) for a computer incorporates a security device for preventing non-authorized reading of data carried by the disc. The security device includes an LCD laser blocker ( 16 ) which...
7366744 File management device and file management method  
The present invention relates to a data recording/reproducing apparatus ( 1 ), which includes a reader ( 3 ) for reading content data recorded in a minidisc ( 2 ), and a controller ( 4 ) for...
7366072 Optical heads device and control method of optical head  
In an optical head for performing the reproduction or recording of information for two or more types of different optical disks, the damage caused to an optical disk or an objective lens by...
7366071 Data recording method and device, data recording medium, data reproduction method and device  
The present invention provides a DSV normal controller and a DSV special controller. In only a predetermined region designated on an optical disc, the DSV special control is performed. The DSV...
7362677 Information record medium and information writing/reading apparatus  
An information writing/reading apparatus that cooperates with an information record medium including a ROM area and a RAM area, either the RAM area or the ROM area having in advance control...
7359299 Recording medium and reading system  
A medium judgment program is recorded on an information recording medium. The program causes a computer to judge whether the medium is authorized. The judgment may be based on information on a...
RE40240 Information recording/reproducing device using optical disk and method therefor and information recording system and information recording method  
The sector synchronism of a timing generation section for generating data recording/reproducing timing is corrected at the address-mark detection timing of an address-mark detection section....
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...
7355944 Authenticatable media and method of authenticating  
One method for playing a disk, comprises illuminating a first portion of the optical article with a first laser to obtain a first optical signal, wherein the first laser has a first wavelength,...
7344823 Transient optical state change materials useful in copy-protected compact discs  
A copy-protected optical medium comprising transient optical state change security materials that demonstrating an optical state change when exposed to the wavelengths of from about 770 nm to about...
7340749 Method and apparatus to detect presence of or a size of a data cartridge  
A media-detection system for a cartridge-receiving device may comprise, according to one embodiment, a cartridge-referencing member mounted to the cartridge-receiving device. The...
7339869 Optical disk and optical method  
An optical disk according to the present invention is the optical disk on which secret information on unique information given to a specific optical disk manufacturer or a specific optical disk and...
7330639 Method of playing optical recording media  
An optical recording medium playing apparatus and method thereof to play an optical disc includes a signal processor to process signals read from the optical disc as a reproduced signal. A timer...
7330411 Optical information storing device, data processing circuit and information storage medium  
The present invention aims at providing an inexpensive optical information storing device that produces reduced cross talk. An optical information storing device has a cyclic data output circuit ...
7321534 Signal output method and optical information recording medium  
A signal output method for reducing jitter and forming pits having stable shapes on an optical information recording medium with high recording density is provided. A write signal includes a write...
7321532 Protection device and method of a read and write medium apparatus  
The present invention provides a protection device and method of a read and write medium apparatus. When the read and write medium apparatus is operating, the protection device detects the external...
7317396 Optical disc having RFID tag, optical disc apparatus, and system for preventing unauthorized copying  
In an optical disc having an RFID tag, disc control information needed for control of reproduction of the content recorded in the disc body of the optical disc is stored in the RFID tag. Thereby,...
7292512 System using radio frequency identification (RFID) for copy management of digital media  
A readable and writable radio frequency identification (RFID) tag is attached to a physical medium such as a CDROM or DVD. Each time a copy of the medium is created, a variable or count stored in...
7286451 Copy control using digital speed bumps  
A digital media recorder and a method of controlling such are provided. During attempts to copy media content, sub-sequences are extracted from an input media sequence. A digital fingerprint of the...
7265923 Apparatus and method for controlling inhibition of data writing in disk drive  
An HDC has first and second terminals. The first terminal is used to output a first write gate signal that dictates writing of data to the disk. The second terminal is used to input a second write...
7249384 Copy-resistant read-only digital optical disc and adaptable player  
A copy-resistant read-only digital optical disc having encrypted digital data. The copy-resistant read-only digital optical disc includes a digital work, a variable user data format encoding said...
7245571 Optical disk drive that can adjust erase power during writing operation  
An optical disk drive that can automatically adjust an erase power to an appropriate level to keep the error rate low and not to shorten the life of an erasable optical disk. The optical disk drive...
7239584 Method and apparatus for protection of data carrying discs  
The method and apparatus described utilise the fact that CDs manufactured from the same master will have distinctive physical characteristics attributable to the physical manufacturing process of...
7236447 Optical disk, method of playing optical disk, and optical disk drive  
An optical disk includes a recording region formed on a substrate for recording user data, and a management region formed on the substrate which includes an identification information region for...
7233559 Optical disc drive and method of updating firmware  
An optical disc drive 1 of the present invention includes an electrically rewritable flash ROM 32 which stores firmware of the optical disc drive 1 ; means for judging whether or not the...
7230899 Rewritable type optical disc including recording marks over break portions of recording tracks, manufacturing method and manufacturing system therefor  
A rewritable type optical disc includes recording tracks formed with break portions; and recording marks corresponding to predetermined data and formed on the recording tracks. The recording marks...
7230898 Reproducing apparatus and recording apparatus  
This invention relates to a reproducing apparatus compatible with a storage medium storing copyright-protected and copyright-unprotected files, the reproducing apparatus being capable of...
7227820 Method for taking messages in a DVD player  
A method of taking messages for a DVD player is provided. The DVD player includes input device, memory, a DVD play module, and an analog-to-digital converter (ADC) module. Firstly, recording the...
7218589 Authenticable optical disc, system for authenticating an optical disc and method thereof  
An authenticable optical disc and a system and method for authenticating the optical disc are provided. The optical disc comprising a reflective layer; an optically transparent substrate disposed...
7216228 Recording medium recording and/or reproduction apparatus, recording and/or reproduction method  
A method for reproducing a recording medium comprising reading out identification data from a recording medium having recorded thereon data and the identification data, which identification data...
7215610 Apparatus for and method of recording/reproducing audio data embedded with additive information  
According to the type of each of a plurality of external input interfaces, it is decided whether digital watermark information is to be detected from data entered via the external input interface....
7206270 Apparatus for manufacturing information record medium, information record medium, information recording apparatus and information recording method  
On an information record medium ( 10, 11 ), record information can be recorded one time or a plurality of times by a predetermined record format. An apparatus for manufacturing the information...
7203146 Method and device for managing password in optical disc apparatus  
Password management methods of an optical disc apparatus are provided for recording/reproducing data on an optical disc such as a CD or DVD disc. The password management method for managing a...
7203141 Recording medium, recording method, recording device, and reproduction method and reproducer  
A recording medium has a first area in which data encoded with a first error correction code is recorded and a second area in which data encoded with the first error correction code and data...
7203140 Storage apparatus, recording medium recording a storage medium destruction program, and storage medium destruction method  
A head mounted on various kinds of storage mediums such as a hard disc drive is moved along a storage face to destruct data on the storage medium. Therefore, the data on a storage medium is...
7200102 Optical recording medium and recording method for the same  
A main information area 31 capable of recording an information signal and a subsidiary information area 32 for recording subsidiary information that is different from the information signal are...
7200086 Copy-protected optical recording medium and a method for manufacturing thereof  
A copy-protected optical recording medium and a method for manufacturing thereof is provided, wherein the medium has at least two auxiliary sections for confusing control of a copying machine.
7200085 Recordable data storage medium including property data  
In a recordable data storage medium on which property data was recorded after having been modulated and on which data that is decodable by a cryptographic key to be generated from the property data...
7196995 Method of authenticating disk management information and disk device  
Processing to confirm management information during starting processing of a disk device is completely executed in a short period of time without scanning a data area to thereby minimize the period...
7196994 Information recording medium, information recording apparatus and information reproduction apparatus for the same  
An optical disk is provided that disables reproduction of sub-information even if the sub-information as a contents encryption key is recorded entirely onto another optical disk. Sub-information is...
7196993 Copy protection system for optical discs  
A system for copy protection of record carriers for digital data is described according to which at least one predetermined repetitive bit pattern which encodes into channel bits having an...
7187637 Opto-mechanical adjustment based on sensing label side of optical disc  
Opto-mechanical adjustment based on sensing the label side of an optical disc is disclosed. The label side of the optical disc is first sensed with an opto-mechanical system. The opto-mechanical...
Matches 1 - 50 out of 242 1 2 3 4 5 >