Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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.
| Application No. | Application Title | Issue Date |
| 20080046730 | Method and apparatus for providing content encrypted using broadcast encryption scheme in local server A method and an apparatus for providing content encrypted in a broadcast encryption scheme to a plurality of devices in a local network are provided. The method includes: storing a minimal number of keys needed by the devices to decode the encrypted content among a plur... | 02/21/2008 |
| 20070203838 | Encryption/decryption method and apparatus for controlling content use based on license information A method and apparatus for encrypting or decrypting digital content are provided. In the method, a binding range is selected from a plurality of binding ranges of content use based on license information of the content, and the content is encrypted based on the selected... | 08/30/2007 |
| 20070192480 | Method of measuring round trip time and proximity checking method using the same A method of measuring round trip time (RTT) and a proximity checking method using the same. The method of measuring RTT includes: transmitting a hashed second random number and starting the RTT measurement; and receiving a hashed first random number from a device that r... | 08/16/2007 |
| 20070174609 | Apparatus and method for determining revocation key, and apparatus and method for decrypting contents using the same A revocation key determining method for content protection. The revocation key determining method includes: identifying at least one of a plurality of groups on the basis of a structure in which groups, each consisting of nodes to which key sets for content protection a... | 07/26/2007 |
| 20070172069 | Domain management method and apparatus A method and apparatus of protecting digital content within a domain is provided. if a device registered with a domain withdraws from the domain, a domain key used in the domain before withdrawal of the device is updated to a domain key which cannot be used by the devic... | 07/26/2007 |
| 20060253398 | Method and apparatus for managing digital content A method and apparatus for managing digital content, which can detect the leakage of an encryption key when the encryption key used for encrypting the digital content is leaked or cracked. When the encrypted digital content is decrypted by an illegal device, a module li... | 11/09/2006 |
| 20060253401 | Method and apparatus for efficiently encrypting/decrypting digital content according to broadcast encryption scheme A method of and apparatus for encrypting and/or decrypting content according to broadcast encryption scheme. The decryption method includes: determining whether or not a revoked device among devices that have licenses for predetermined content is present; and according ... | 11/09/2006 |
| 20060248340 | Method and apparatus for checking proximity between devices using hash chain A method of measuring round trip time (RTT) includes: chain-hashing at least one random number to create a plurality of hash values; (b) transmitting one of the created hash values to a device and starting to measure RTT of the device; and (c) receiving from the device ... | 11/02/2006 |
| 20060235797 | Method of packaging broadcast contents A method of packaging broadcast contents are provided. The method includes: extracting a copy control bit from input broadcast contents and determining whether the broadcast contents will be stored after being encrypted based on the extracted copy control bit; creating ... | 10/19/2006 |
| 20060218464 | Optical information recording medium and data recording apparatus thereon An optical information recording medium, a data recording apparatus, a data recording method used by the recording apparatus, and a data reproducing apparatus are provided, in which the optical information recording medium includes data provided in one or more recording... | 09/28/2006 |
| 20060206920 | Method and apparatus for backing up and restoring domain information A method of backing up domain information relating to the construction of a domain is provided. In the method, the domain information is encrypted and the encrypted domain information is stored in a predetermined storage device in the domain the encrypted domain informa... | 09/14/2006 |
| 20060177066 | Key management method using hierarchical node topology, and method of registering and deregistering user using the same A key management, user registration and deregistration for a digital rights management (DRM) system in a home network, using a hierarchical node topology. In the key management, node information is generated by allocating a pair of keys (a public key and a private key) ... | 08/10/2006 |
| 20060179478 | Method of controlling content access and method of obtaining content key using the same Provided is a method of controlling content access in a home network. The method includes: (a) defining a predetermined sub group and allocating a sub group key for the sub group; and (b) checking whether a user belongs to the sub group and transmitting the sub group ke... | 08/10/2006 |
| 20060179001 | Method of generating usage rule information for broadcast channel A method of generating usage rule information for a broadcast channel. The method includes receiving content and a broadcast flag via the broadcast channel, creating content usage rule information to allow all operations relating to use of the content when the broadcast... | 08/10/2006 |
| 20060153387 | Key management method for home network and home network device and system using the same A method of managing a home network key in a home network environment, which has a key management server for managing the home network key and a plurality of home network devices, includes: allowing a home network device to generate device unique information and to tran... | 07/13/2006 |
| 20060129818 | Method for transmitting content in home network using user-binding A method for transmitting content to a user device from a home server in a home network is provided. The method includes: receiving an allocated user public key and a user private key of a user to whom the home server belongs; generating an arbitrary session public key ... | 06/15/2006 |
| 20060107051 | Method of receiving session key in home network and method of reproducing content using the same A method of receiving a session key in a home network and a method of reproducing content using the same. The method of receiving a session key from a home server in a home network, includes: (a) whenever one of members of the home network changes, receiving and storing... | 05/18/2006 |
| 20060104442 | Method and apparatus for receiving broadcast content An apparatus for receiving broadcast content is provided. The apparatus includes a receiving unit generating the broadcast content from a broadcast stream received from a content provider via a broadcast channel; a content encrypting unit encrypting the broadcast conten... | 05/18/2006 |
| 20060029226 | Method of updating group key of secure group during new member's registration into the secure group and communication system using the method A method of updating a group key in a secure group when a new member joins the secure group. The method includes: sending a private key to the new member after authentication of the new member; generating a new group key using a key generation function; encrypting the n... | 02/09/2006 |
| 20050262009 | Method and system for bidding in on-line auction A bidding method including: (a) generating a first bidding function value using an initial bidding price of a first bidder; (b) transmitting the first bidding function value to a successful bidding decider; (c) transmitting a second bidding function value of a second bi... | 11/24/2005 |
| 20050259816 | Method and apparatus for restriction use of storage medium using user key A method and apparatus for restricting the use of a disc are provided. In this method, first, lead-in data is read out from a loaded disc. Then, a user key is read out from a lead-in area of the disc. Thereafter, the user key undergoes authentication based on a user key... | 11/24/2005 |
| 20050206540 | Demodulation apparatus and method using code table that decreases complexity A demodulation apparatus and method using a code table that decreases complexity. The demodulation apparatus includes a code table including a plurality of the code words, wherein similar ones of the code words are arranged to be grouped together; and a soft demodulator... | 09/22/2005 |
| 20050169472 | Prepaid card type data recording medium, recording apparatus thereof, apparatus for providing contents, and method used for authenticating the data recording medium A data recording medium, a recording apparatus thereof, and an apparatus for providing contents having a function of securing personal anonymity similar to a prepaid card. The prepaid card type data recording medium includes a control information area on which is record... | 08/04/2005 |
| 20050172136 | Apparatus and method for updating copy control information of input data An apparatus and method for updating copy control information. The apparatus and method can update copy control information of input data with user-defined copy control information. The apparatus includes a copy control information detection unit, which detects copy con... | 08/04/2005 |
| 20050169481 | Method of assigning user keys for broadcast encryption A method of assigning user keys for broadcast encryption. According to the method, at least one unit tree in which grandparent nodes, parent nodes, and son nodes are hierarchically connected is created. User keys created to identify lower-level nodes connected to all no... | 08/04/2005 |
| 20050169118 | Method of recording and/odr reproducing data under control of domain management system Provided are a method of recording/reproducing data under control of a domain management system. The method includes extracting, from the write command, domain management information regarding the predetermined domain and contents, and copy control information specifyin... | 08/04/2005 |
| 20050154907 | Method of copying and reproducing data from storage medium Provided is a method of copying data stored in a first storage medium to a second storage medium. The method includes recording the encrypted data stored in the first storage medium on the second storage medium; reproducing a first content key, which is used to encrypt ... | 07/14/2005 |
| 20050141011 | Apparatus and method for recording data on and reproducing data from storage medium A method and apparatus for recording data on and/or reproducing data from a storage medium are provided. The recording apparatus includes an authenticating unit which authenticates a host, which transmits a write command to the apparatus, to verify whether the host is a... | 06/30/2005 |
| 20050125356 | Method and apparatus for decrypting encrypted data by suing copy control information and computer readable recording medium for storing program for implementing the apparatus and method A method of decrypting encrypted data includes reading decryption control information representing decryptability of the encrypted data from an information storage, and changing the decryption control information into a decryptable condition by using a decryption coupon... | 06/09/2005 |
| 20050122852 | Information storage medium capable of restricting number of times that data can be reproduced, method and apparatus for recording data on the information storage medium, and method and apparatus for reproducing data from the information storage medium Provided are an information storage medium from which a total number of times that data can be reproduced is limited, a method and apparatus for recording data on the information storage medium, and a method and apparatus for reproducing data from the information storag... | 06/09/2005 |
| 20050100315 | Method of and apparatus for copying AV stream, and method of copying AV contents An audio and/or video (AV) stream copy method, an AV stream copy apparatus, and an AV contents copy control method, in which AV content includes an AV stream, are disclosed. The apparatus for copying an AV stream includes an AV stream copy controller, which, when an inp... | 05/12/2005 |
| 20050086514 | Method of constructing domain based on public key and implementing the domain through universal plug and play (UPnP) A method of constructing a unique domain for preventing content from being illegally used by an unauthorized third person in a public key-based architecture and applying the constructed domain to a home network using universal plug and play (UPnP). The method of the pre... | 04/21/2005 |
