Patent application number | Description | Published |
20100271723 | HARMONIC SELECTION FOR TRACK FOLLOWING ON A HARD DISK DRIVE - Harmonic selection for track following is described for a hard disk drive comprising at least one magnetic disk capable of storing data and spinning, a controller capable of controlling a read/write head capable of reading and writing data while following a track on a surface of the at least one magnetic disk, and a memory device capable of storing data relating to the operation of the hard disk drive. A drive function test on the hard disk drive is performed, during which harmonic frequencies are identified which cause disturbances for the hard disk drive. Data regarding the harmonic frequencies which cause the greatest disturbances for the hard disk drive is stored in the memory device. The data regarding the harmonic frequencies which cause the greatest disturbances is forwarded to the controller upon the at least one magnetic disk spinning. | 10-28-2010 |
20100271731 | UNEQUAL ZONING FOR TRACK FOLLOWING ON A HARD DISK DRIVE - Unequal zoning for track following on a hard disk drive comprising at least one magnetic disk, a read/write head connected to at least one actuator arm and capable of reading and writing data on said at least one magnetic disk, a controller capable of moving said at least one actuator arm. A track is followed using the read/write head on the surface of the at least one magnetic disk. Information is stored at the controller regarding off-track displacement of the read/write head. A plurality of unequal zone partitions is created, wherein an unequal zone partition of the plurality of unequal zone partitions represents a physical region of the at least one magnetic disk and wherein the plurality of unequal zone partitions are based on the information regarding the off-track displacement of the track and are used by the controller to compensate for the off-track displacement of the track. | 10-28-2010 |
20120229930 | SELF-SERVO WRITER WITH ITERATIVE LEARNING CONTROL MECHANISM AND METHOD OF OPERATION THEREOF - A method of operation of a servo writing system includes: initializing a disk and a head positioned over the disk for writing a servo pattern on the disk; calculating a target velocity profile for writing the servo pattern on the disk; setting a movement profile for operating the disk, the head, or a combination thereof to the target velocity profile; determining a back electromotive force from operating the disk, the head, or a combination thereof according to the movement profile; calculating an actual profile of the movement of the disk, the head, or a combination thereof from the back electromotive force; and adjusting the movement profile by the actual profile to match the actual profile to the target velocity profile for writing the servo pattern on the disk. | 09-13-2012 |
20120250181 | DATA STORAGE SYSTEM WITH SELF-SERVO-WRITING AND METHOD OF OPERATION THEREOF - A method of operation of a data storage system includes: providing a disk having a reference servo; and positioning a read/write head over the disk with the reference servo including: collecting a raw phase error, estimating a phase delay error, estimating an estimated written-in error with the phase delay error subtracted from the raw phase error, calculating a remaining error based on the estimated written-in error, and adjusting a self-servo-writing clock based on the remaining error. | 10-04-2012 |
Patent application number | Description | Published |
20080209100 | Hard disk testing method under extensible firmware interface - A hard disk testing method under an extensible firmware interface (EFI) is provided, which includes the following steps. A system file is backed up from the EFI of the hard disk into a storage area of a memory. The backup area of the system file is mapped as a real hard disk. A non-system file storage area is established in the memory, so as to store the non-system files of a hard disk test. Information of the system and non-system files of the hard disk test is acquired, so as to generate a system and a non-system file link table. When performing the test, the non-system files are backed up into the non-system file storage area. The system file link table and/or the non-system file link table is accessed, so as to load the system file and/or the non-system files directly from the storage area of the memory. | 08-28-2008 |
20090113455 | Network card testing method - A network card testing method, used to test if the network card is capable of functioning normally in a computer having Extended Firmware Interface (EFI) system. Wherein, in a protocol assignment table is recorded the connection relations of a network protocol of Extended Firmware Interface, and a driver program corresponding to a network driver interface specification (NDIS) layer. In addition, the driver corresponding to the network card is loaded at the NDIS layer. In implementing the network card test program, though the utilization of an additionally written EFI pseudo program as a medium of transmitting data for the network card testing program, and also though the utilization of an additionally written intermediate filter driver in invoking a driver suitable for the network card, the hardware testing of network card can be realized, thus increasing the category and scope of the network card testing supported by an EFI system. | 04-30-2009 |
Patent application number | Description | Published |
20080250154 | Self-Adaptive Multicast File Transfer Protocol - Self-adaptive multicast and reliable transfer of digital files from a server device to one or more client devices including an active client device, one or more passive client devices and one or more smart client devices. | 10-09-2008 |
20080250155 | Server Side Tftp Flow Control - Methods and apparatuses for server side flow control. Receive a request from a first client device to multicast a file as a plurality of packets of data from a server device to multiple client device; transmit the plurality of packets of data from a server to the multiple client devices using a multicast trivial file transfer protocol (TFTP); and apply, by the server, one or more flow control techniques not defined by the multicast TFTP. | 10-09-2008 |
20080313322 | Asynchronous Network Stack Operation in an Operating System Independent Environment - Techniques for operation of an asynchronous stack in a pre-boot environment. A token-based stack design may be used to support communications between network stack layers. | 12-18-2008 |
20110289223 | METHOD OF DISTINGUISHING A PLURALITY OF UES SHARING ONE PUID AND A DEVICE THEREOF - The present invention provides with a method of distinguishing a plurality of calling UEs sharing a PUID in a calling S-CSCF of IMS network and the device thereof. When a calling UE using a shared PUID in the calling-party network requests to establish a session with some called UE in the called-party network, the calling S-CSCF adds a extension identification corresponding to the calling UE into the session request message from the calling UE and sends the session request message with the extension identification added therein to the called UE in the called-party network, such that the called UE may realize which one is the actual calling UE according to the extension identification in the session request message and the shared PUID used by the calling UE. Therefore, after completion of such session, the called UE may re-establish a session with the calling UE according to the extension identification of the calling UE and the shared PUID thereof. | 11-24-2011 |
20120047569 | METHOD FOR PROVIDING TERMINALS OF IMS NETWORK WITH FIREWALL AND FIREWALL SYSTEM - A method for providing firewall for terminals in the IMS network and a firewall system are provided. The method includes: arranging a firewall system in the IMS network; acquiring an identification information of said terminal, when the firewall system receives a request for providing the terminal with a firewall from a network element; sending an identification information of the firewall system to the terminal and related network elements; and managing at least part of the communication activities between said terminal and other network elements by the firewall system, wherein, said other network elements include network elements in the IMS network and/or network elements which communicate with said terminal via the IMS network. | 02-23-2012 |
20120102150 | METHOD AND DEVICE FOR CONTROLLING PRESENCE INFORMATION OF A USER TERMINAL - In order to solve the problem in the prior art that presence information can not be correctly displayed according to the actual source of presence information in case of such as call forward, the present invention provides a method and device in a network server for controlling presence information of a first user equipment. The method comprises: receiving instruction information, wherein the instruction information is used for indicating to display presence information of the first user equipment as presence information of a second user equipment; obtaining presence information of the second user equipment; providing presence information of the second user equipment to an observer subscribing to presence information of the first user equipment, so that presence information of the first user equipment, to which the observer subscribes, is displayed as presence information of the second user equipment. Using the solution of the present invention, the relocation for presence information of a user equipment can be achieved, which enables the user to show his presence information to other users subscribing to his presence information more flexibly. | 04-26-2012 |
20130080509 | CLOUD COMPUTING ACCESS GATEWAY AND METHOD FOR PROVIDING A USER TERMINAL ACCESS TO A CLOUD PROVIDER - A cloud computing access gateway includes a cloud management module configured to store a cloud provider and information of a cloud computing service provided by the cloud provider. A user terminal interface module is configured to provide an interface with a user terminal, receive a service request indicating a cloud computing service from the user terminal, and send a result of the cloud computing service to the user terminal. A request analysis module is configured to analyze the received service request to identify the cloud computing service. A cloud selection module is configured to select a best cloud provider based on the cloud computing service. A cloud interface module is configured to provide an interface with the cloud provider, transmit the service request to the best cloud provider, and receive the result of the cloud computing service from the best cloud provider. | 03-28-2013 |
20130314277 | System and Method for Determining GPS Receiver Position - Systems and methods for determining a position of a global positioning system (GPS) receiver are provided. A first satellite and a second satellite that have an unobstructed communication path to the GPS receiver are identified. For each of the first and second satellites, data received is used to determine a satellite position and a code phase for a transmitted satellite signal. A relative code phase is calculated between the transmitted satellite signals of the first satellite and the second satellite, where the relative code phase is a difference between the determined code phases. The position of the GPS receiver is determined based on the satellite positions of the first and second satellite and the relative code phase. | 11-28-2013 |
20140077343 | DUMMY WAFER STRUCTURE AND METHOD OF FORMING THE SAME - A dummy wafer structure and a method of forming the same are disclosed. The dummy wafer structure includes: a silicon substrate; a silicon nitride layer over the silicon substrate; and a silicon dioxide layer over the silicon nitride layer. The method includes: a first step of forming a silicon nitride layer over a silicon substrate so as to form a silicon-silicon nitride structure; and a second step of forming a silicon dioxide layer over the silicon-silicon nitride structure obtained in the first step so as to form a silicon-silicon nitride-silicon dioxide structure. Dummy wafers with this special structure are able to avoid deposition rate inconsistency in a polysilicon deposition process and are capable of avoiding conventional dummy wafers' adverse effect on deposit layer thicknesses of process wafers and hence providing the process wafers with deposit layers having a high inter-wafer uniformity. | 03-20-2014 |
20150064930 | PROCESS OF MANUFACTURING THE GATE OXIDE LAYER - A process of manufacturing the gate oxide layer, which uses the wet oxidation by deuterium to form gate oxide layer, wherein the nitriding treatment is applied to formed gate oxide layer by high temperature annealing process, the stable Si-D bonds is formed on surface of the gate oxide layer to reduce silicon dangling bonds, which reduce the defect of the gate oxide interface and lower the interface defect density of the gate oxide layer and the charge density effectively to avoid NBTI, is provided. | 03-05-2015 |
20150312351 | METHOD, DEVICE AND SYSTEM FOR DEVICE TRIGGER IN IOT - An object of the invention is providing a method, device and system for Device Trigger in IoT. The network device obtains device trigger request(s) corresponding to one or more target devices, and determines, based on the device trigger request in conjunction with subscribed data corresponding to the target device, a device trigger response corresponding to the device trigger request. Compared with the prior art, the present invention provides a proxy mechanism used in IoT/MTC, i.e., with the network device as a proxy for the target device, a device trigger request corresponding to the target device is processed to reduce unnecessary trigger request to the target device, and reduce resource/energy (such as CPU, memory, network connection, etc. . . . ) consumption for the IoT/MTC devices and network; furthermore, the present invention would further reduce the response time of device trigger and improve the quality of services in IoT. | 10-29-2015 |