Patents
Literature
273 results about "Disks (device)" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Method and system for realizing USB flash disk equipment interaction based on flash memory encryption technology
ActiveCN120974552ADigital data protectionInternal/peripheral component protectionDisks (device)Access control matrix
The invention relates to the technical field of cores, and discloses a method and a system for realizing USB flash disk equipment interaction based on a flash memory encryption technology, which comprises the following steps of: dividing an encryptable data block of a flash memory controller, and determining a dynamic entropy weight of the encryptable data block by utilizing an equipment interaction instruction and a random noise characteristic signal; generating a self-adaptive key generation sequence capable of encrypting data blocks through an address allocation mode and a dynamic entropy weight of a flash memory controller; calculating a side channel leakage risk index of the flash memory controller, and setting a security level label of an encryptable data block in combination with a self-adaptive key generation sequence; the method comprises the following steps: setting a differentiated security protection mechanism of an encipherable data block by constructing an access control matrix of the encipherable data block and an encryption risk area of a flash memory controller; and generating a secure interaction scheme of the USB flash disk equipment based on the self-adaptive key generation sequence in combination with the differential security protection mechanism and the access control matrix. According to the invention, the interaction safety and reliability of the USB flash disk equipment can be improved.
Owner:SHENZHEN LINGCHUANG IND CO LTD
Disk device
According to one embodiment, a disk device includes a disk-shaped recording medium, an actuator assembly provided to be rotatable and supporting a magnetic head, and a first stopper and a second stopper, arranged contactable with the actuator assembly. At least one of the first stopper and the second stopper includes a cushioning member having a contact surface contactable with the actuator assembly, and a gas adsorption member provided to surround the cushioning member except for the contact surface.
Owner:KK TOSHIBA +1
Hard disk frame device
Owner:MITAC COMP (SHUN DE) LTD +1
Disk device with filters arranged in filter unit configurations
According to one embodiment, a disk device includes a magnetic disk, a housing, a first filter unit, and a second filter unit. The housing is provided with an internal space and is provided with a first through hole. The first filter unit includes a first case with a first accommodation space which is in communication with the first through hole, a first adsorbent in the first accommodation space, and a first filter. The first accommodation space is in communication with the internal space through the first filter. The second filter unit includes a second case with a second accommodation space which is separated from the first accommodation space, a second adsorbent in the second accommodation space, and a second filter. The second accommodation space is in communication with the internal space through the second filter.
Owner:KK TOSHIBA +1
Backup method and device based on NBD mapping
The invention discloses a backup method and device based on NBD mapping, and relates to the technical field of system backup, and the method specifically comprises the following steps: receiving a system backup instruction; identifying protection object parameters in the system backup instruction to obtain a to-be-reconstructed disk list; in the target medium, creating a corresponding virtual disk device for each physical disk in the to-be-reconstructed disk list based on NBD mapping; based on the to-be-reconstructed disk list and the collected data of the to-be-backed-up host, performing partition table structure reconstruction on the virtual disk device to obtain a virtual disk partition device and a virtual volume device; determining a corresponding relationship between the volume on the host to be backed up and the virtual disk device, the virtual disk partition device and the virtual volume device to obtain a mapping relationship table; and determining a volume set to be backed up based on the mapping relation table. According to the method, the concurrent backup capability is enhanced, and compared with an existing system backup mode, the resource consumption can be reduced, the backup efficiency can be improved, and the data verification time can be shortened.
Owner:ANHUI PROVINCIAL HOSPITAL +1
Suspension assembly and disk device
ActiveUS20250182784A1Record information storageMounting/attachment of transducer headDisks (device)Shock absorber
According to one embodiment, a suspension assembly includes a support plate, a wiring member provided on the support plate and including an elastically deformable gimbal portion including a tongue portion on which a magnetic head is mounted and an outrigger connected to the tongue portion, and a viscoelastic material filled into a gap between the outrigger and the support plate and forming a damper.
Owner:KK TOSHIBA +1
Multi-thread IO speed limiting method and device, electronic equipment and storage medium
According to the IO speed limiting method and device under multiple threads, the electronic equipment and the storage medium provided by the embodiment of the invention, the technology realizes speed limiting of the IO request through a quota isolation and critical point synchronization mechanism, and effectively avoids frequent scrambling of a lock at the same time. The core process of the method comprises the following steps: when a client issues an IO request, reading a current value of a speed limit counter, and calculating an available space in combination with a preset speed limit quota and an instantaneous issuing space; when the request quantity does not exceed the available space, directly releasing the request to disk equipment and updating a statistical value; and if the request quantity exceeds the available space, safely accessing the quota management pool through the thread lock, obtaining a target speed limit quota from the global IO request speed limit quota, and temporarily improving the instantaneous issuing space to process the excess request. According to the design, the threads can operate autonomously within the quota through quota independent distribution, lock competition is not needed, meanwhile, synchronous operation is strictly limited in a critical scene of quota application, the lock scrambling frequency is greatly reduced, and therefore IO performance is remarkably improved.
Owner:BEIJING KINGSOFT CLOUD NETWORK TECH CO LTD +2
Disk device with wiring board on outer surface of housing and connected to motor and sealing configuration
ActiveUS12525259B2Apparatus for flat record carriersCarrier constructional parts dispositionCircular discDisks (device)
According to one embodiment, a disk device includes a housing with a bottom wall, magnetic disks supported on a hub of a motor, a printed circuit board provided on an outer surface of the bottom wall, and a wiring board attached on the outer surface of the bottom wall. The bottom wall includes a recess formed in the outer surface, a step located on border between the outer surface and the recess, and through holes opened to the recess. The wiring board includes one end portion disposed in the recess and connection pads on the one end portion, connected to lead wires of a coil. An adhesive is filled into the recess and the through holes, and covers the one end and a solder joint and seals the through holes.
Owner:KK TOSHIBA +1
Data demodulation method and apparatus for hard disk log, data modulation method and apparatus for hard disk log, and device and medium
PCT designated stageWO2025200600A1Hardware monitoringEnergy efficient computingData packDisks (device)
The present application relates to the technical field of hard disk monitoring. Disclosed are a data demodulation method and apparatus for a hard disk log, a data modulation method and apparatus for a hard disk log, and a device and a medium. The demodulation method is applied to a baseboard management controller, and comprises: receiving level signals transmitted by state indication pins of a hard disk device, wherein the level signals are signals obtained by the hard disk device performing modulation on the basis of a hard disk log, and original state output signals of the state indication pins; identifying demodulated data corresponding to each target rectangular-wave signal among the level signals; and on the basis of the demodulated data, determining a valid data packet. In the present application, out-of-band monitoring of a hard disk device is realized by means of state indication pins of the hard disk device directly outputting hard disk log data to a baseboard management controller, and thus the problem in a conventional hard disk out-of-band monitoring scheme of it being difficult to realize out-of-band monitoring of a hard disk due to an out-of-band management system not having permission to access hard disk data is solved, thereby expanding the range of hard disk devices that can be subjected to out-of-band monitoring by a baseboard management controller.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD
Reverse osmosis rupture disk device
The utility model relates to the technical field of rupture disks, and provides a reverse osmosis rupture disk device which is used for solving the problem that a release channel is blocked after the rupture disk falls off, and comprises a water inlet side flange, a water inlet side sealing washer, a rupture disk, a water outlet side sealing washer and a water outlet side flange which are sequentially arranged along the water flow direction, bolt through holes are formed in the water inlet side flange, the water inlet side sealing washer, the rupture disk, the water outlet side sealing washer and the water outlet side flange respectively, bolts for tightly pressing and connecting the bolt through holes penetrate through the bolt through holes, an annular weakening groove is formed in the face, facing the water inlet side, of the rupture disk, and the outer diameter of the annular weakening groove is not larger than the inner diameter of an external discharge channel. The depth of the annular weakening groove does not exceed half of the thickness of the rupture disk.
Owner:YINGQIAO MACHINERY MFG
Negative pressure rupture disk device for storage tank and storage tank
The utility model relates to the technical field of storage tank safety equipment, and discloses a negative pressure rupture disk device for a storage tank and the storage tank, the negative pressure rupture disk device for the storage tank comprises a clamping assembly, a supporting sheet and a rupture disk, and the clamping assembly is provided with a clamping position; at least part of the edge of the supporting piece is clamped in the clamping position by the clamping assembly, a first fracture guide line is arranged on the supporting piece, and the strength of the first fracture guide line is smaller than that of the supporting piece; the edge of the rupture disk is clamped in the clamping position by the clamping assembly, the rupture disk and the supporting sheet are arranged in a stacked mode, at least part of the rupture disk is connected with the supporting sheet, a second rupture guide line is arranged on the rupture disk, and the strength of the second rupture guide line is smaller than that of the rupture disk. When the supporting piece is broken along the first breaking guide line, the rupture piece is broken along the second breaking guide line and is kept connected with the supporting piece, the rupture piece is prevented from falling into the storage tank and polluting the interior of the storage tank, and therefore the cleaning workload of the storage tank is reduced.
Owner:HAITIAN VINEGAR (GUANGDONG) CO LTD +2
Method, device, computer equipment, and storage medium for testing TCG Storage protocol data reading
The present invention relates to a method, device, computer device, and storage medium for testing TCGStorage protocol data reading. The method comprises: invoking anyone's authority to establish a session, then reading the default credentials of the hard disk device owner's authority; establishing a session with the hard disk device owner's authority; setting the credentials of the hard disk device owner's authority; saving customized encryption information to a data storage table to obtain saved information; locking the hard disk and then restarting the hard disk; invoking anyone's authority to establish a session, then reading the saved information to obtain read information; determining whether the read information is consistent with the saved information; if so, prompting for a password to be entered to obtain the entered password; establishing a session with the hard disk device owner's authority; if the session is successfully established, i.e., the entered password is verified, the hard disk is unlocked. The present invention is simple to test, does not require the installation of an operating system, and is fully automatic, thereby improving test efficiency.
Owner:SHENZHEN YILIAN INFORMATION SYST CO LTD
Disk device and electronic device
ActiveCN115116483BElectrical connection between head and armAccessories for auxillary signalsComputer hardwareDisks (device)
Embodiments of the present invention relate to a disk device and an electronic device. The disk device includes a housing, a disk-shaped recording medium, a magnetic head, an internal wireless communication device, and internal components. The housing has a storage space provided therein. The recording medium is stored in the storage space and has a recording layer. The magnetic head is stored in the storage space and is configured to read and write information with respect to the recording medium. The internal wireless communication device performs at least one of the following operations: generating an electrical signal of information written by the magnetic head to the recording medium corresponding to light, a magnetic field, or an electric field generated by an external wireless communication device; and generating light, a magnetic field, or an electric field corresponding to the electrical signal of information read by the magnetic head from the recording medium toward the external wireless communication device. The internal components are stored in the storage space, are electrically connected to the magnetic head, and communicate with external components outside the housing through the internal wireless communication device and the external wireless communication device.
Owner:KK TOSHIBA +1
Disk device
The present disclosure provides a disk device capable of suppressing failure due to exhaust and improving reliability. According to one embodiment, a disk device includes: a disk-shaped recording medium; an actuator assembly provided in a rotatable manner; a magnetic head supported on the actuator assembly; and a first stopper and a second stopper disposed so as to be capable of abutting against the actuator assembly. At least one of the first stopper and the second stopper is provided with: a buffer member having a contact surface capable of coming into contact with the actuator assembly; and a gas-adsorbing material provided so as to surround a portion of the buffer member other than the contact surface.
Owner:KK TOSHIBA +1
Magnetic disk device
PendingCN120199286ADisposition/mounting of recording headsRecord information storageComputer hardwareDisks (device)
Owner:KK TOSHIBA +1
Hot plug structure of hard disk device
Owner:HEFEI SHENZHOU KUNTAI INFORMATION TECHNOLOGY CO LTD
Access processing method and computer device
PendingUS20250390224A1Input/output to record carriersSoftware simulation/interpretation/emulationDisks (device)Engineering
Embodiments of the present disclosure provide an access processing method and a computer device. Determining a corresponding storage node from a network storage system according to a file directory that a virtual machine requests to access; creating a first virtual drive device in a physical host and controlling the first virtual drive device to connect with the storage node; where the file directory is configured to be mounted to a target directory of the virtual machine through a second virtual drive device, so that the virtual machine accesses the file directory from the storage node through the target directory based on the first virtual drive device and the second virtual drive device; the second virtual drive device corresponding to the first virtual drive device is created in the virtual machine and synchronously obtains the file directory from the first virtual drive device.
Owner:CLOUD INTELLIGENCE ASSETS HOLDING (SINGAPORE) PTE LTD
Apparatus and system for solid state drive device debugging
The present invention relates to a device and a system for debugging a solid state disk device, the device comprising: a joint test action group add-on board; and a Raspberry Pi. The Raspberry Pi comprises a general purpose input output interface coupled to the joint test action group add-on board; and a processing unit coupled to the general purpose input output interface. The processing unit is configured to emulate a plurality of joint test action group commands to the solid state disk device through the general purpose input output interface to dump data generated by the solid state disk device during runtime of the solid state disk device. Using the device as described above can reduce the cost required to debug the solid state disk device.
Owner:SILICON MOTION INC
Methods for setting disk devices and refresh thresholds
This invention provides a disk device capable of improving performance and data reliability, and a method for setting refresh thresholds. The disk device of this embodiment includes: a disk having a first track; a head having a heater for writing data to the disk and reading data from the disk; and a controller for setting variations in parameters associated with write processing to the disk within one cycle of the first track, such that variations in evaluation metrics corresponding to write / read processing characteristics are suppressed within one cycle of the first track.
Owner:KK TOSHIBA +1
Disk device
ActiveUS12322423B2Alignment for track following on tapesRecord information storageDisks (device)Electric machine
According to one embodiment, in a disk device, a controller, when the rotation waiting time is present, increases an absolute value of a motor current in a fourth section in a second period in which a head is accelerated or decelerated, changes the absolute value of the motor current at a third average change rate in a fifth section after the fourth section in the second period, decreases the absolute value of the motor current at a fourth average change rate steeper than the third average change rate in a sixth section after the fifth section in the second period, and decreases the absolute value of the motor current at a fifth average change rate steeper than the fourth average change rate in a seventh section after the sixth section in the second period.
Owner:KK TOSHIBA +1
Disc device, control method of disc device, and program
ActiveCN115910124BUsing non-detectable carrier informationRecord information storageDisks (device)Logical block addressing
Provided is a disk device, a control method for a disk device, and a program, which enable a rotational latency to be minimized to access a next logical block address (LBA) regardless of which head is used for access in a disk device having a plurality of heads. The disk device of an embodiment includes a storage unit that stores a table in which a track skew value for each head is stored, and a control unit that reads out a track skew value corresponding to a head that is an object of operation from the table and performs track control.
Owner:KK TOSHIBA +1
Method of manufacturing a disc device and program product
A method and procedure for manufacturing a disk device capable of improving head positioning accuracy in a disk device controlled by multi-rate actuators using two-stage actuators are provided. In this embodiment, before applying an additional MA filter, a test signal is applied at 1 / N cycles to measure the head position error spectrum and frequency characteristics for both the VCM and MA operation values. Based on the frequency characteristics, a multi-rate sensitivity characteristic is calculated, and the frequency to be corrected by the MA filter is determined based on the head position error spectrum and the multi-rate sensitivity characteristic. Furthermore, with each candidate of a plurality of MA filter candidates applied, a test signal is applied at 1 / N cycles to measure the frequency characteristics for both the VCM and MA operation values. Based on the frequency characteristics, a multi-rate sensitivity characteristic is calculated, and the candidate with the lowest head position error and a peak value of the multi-rate sensitivity characteristic below a threshold is selected as the MA filter to be used.
Owner:KK TOSHIBA +1
disk device
ActiveCN115620753BRecording/reproducing/erasing methodsMounting head within housingDisks (device)Address control
A magnetic disk device capable of improving data recording performance is provided. The magnetic disk device includes: a magnetic disk; a magnetic head; a power supply unit that supplies power to the magnetic head; a control unit that controls reading and writing data from the magnetic disk and, when writing data, suppresses the magnetic field range of the write head based on the offset of the write head; and an address storage unit that stores the address of the magnetic disk where data was written with the magnetic field range suppressed. The control unit reads data from the magnetic disk using the read head at a predetermined timing based on the address stored in the address storage unit, and writes the read data to the magnetic disk using the write head without suppressing the magnetic field range.
Owner:KK TOSHIBA +1
Data transmission method and device, equipment and storage medium
PendingCN120540602AInput/output to record carriersSoftware simulation/interpretation/emulationVirtualizationSCSI
The invention discloses a data transmission method and device, equipment and a storage medium, and relates to the field of cloud platform storage, and the method comprises the steps: abstracting a nonvolatile memory in a target data transmission system into a corresponding block device, and mounting a preset virtual disk device constructed based on a virtualization technology and a small computer system interface to a target virtual machine, and when the target virtual machine receives a data transmission request, reading target data in the block device by utilizing a virtual host service of the preset software development suite, and then transmitting the target data to the target virtual machine by utilizing an interface of the preset virtual interface device, so that the target virtual machine stores the target data into a target disk of the target virtual machine. According to the data transmission method, the virtual host service is added in the target data transmission system, and the virtual disk equipment is mounted at the virtual machine end, so that the data can be directly read from the nonvolatile memory, a redundant link during data transmission is optimized, and the storage performance of the virtual machine is effectively improved.
Owner:INSPUR ENTERPRISE CLOUD TECHNOLOGY (SHANDONG) CO LTD
Disk device and recording method
ActiveUS12602188B2Filamentary/web carriers operation controlInput/output to record carriersDisks (device)Record
A disk device is controlled using system data. The disk device includes a disk, a non-volatile memory, and a controller. The controller is configured to record a set of system data on both the non-volatile memory and the disk.
Owner:KK TOSHIBA +1
Disk device
Embodiments of the present invention relate to a disc device, which includes a first conversion device, a second conversion device, an optical waveguide, a first component, and a second component. The first conversion device emits light corresponding to an electrical signal. The second conversion device generates an electrical signal corresponding to the incident light. The optical waveguide has a first end joined to the first conversion device and a second end joined to the second conversion device, and transmits the light emitted by the first conversion device to the second conversion device. The first component is electrically connected to the first conversion device. The second component is electrically connected to the second conversion device and communicates with the first component through the first conversion device, the optical waveguide, and the second conversion device.
Owner:KK TOSHIBA +1
Head actuator and disk device
The present invention provides a head actuator and a disk device that have improved reliability by reducing crosstalk between wirings. According to an embodiment, the head actuator and the disk device include a first suspension assembly having a first wiring member and a second suspension assembly having a second wiring member. The first wiring member includes at least four first read wirings and at least four first write wirings spaced apart and arranged in parallel in the width direction of the first wiring member. The plurality of second wirings of the second wiring member include at least four second read wirings and at least four second write wirings spaced apart and arranged in parallel in the width direction of the second wiring member. The at least two first read wirings and the at least two first write wirings are arranged at positions offset in the width direction relative to the second read wirings and the second write wirings in a manner that is not opposite to the second read wirings and the second write wirings in a direction perpendicular to the surface of the first wiring member.
Owner:KK TOSHIBA +1
Magnetic disk device
InactiveCN120564769ADisposition/mounting of recording headsCarrier constructional parts dispositionDisks (device)Glycol ethers
The invention relates to a magnetic disk device. According to one embodiment, the magnetic disk device includes: a housing; a disk rotatably disposed in the housing; a head provided in the housing and capable of writing information to and reading information from the disk; a voice coil motor provided in the housing and driving the head; and a filter structure disposed in the housing and including a first porous body having an average pore size of 0.4 nm or more and 1.0 nm or less, the average pore size being optimized to adsorb glycol ether.
Owner:KK TOSHIBA +1
Disk device and manufacturing method for disk device
PendingUS20250292789A1Record information storageRecording on magnetic disksData controlDisks (device)
According to one embodiment, there is provided a disk device including a head, a disk medium and a controller. The disk medium includes multiple zones concentrically provided. The controller, when two servo patterns corresponding to two adjacent zones are written by the head on a track of a boundary area between the two adjacent zones of the multiple zones, generates timing correction data according to a radial position of the boundary area. The controller writes one servo pattern of the two servo patterns on the track of the boundary area. The controller writes the other servo pattern of the two servo patterns, at a position circumferentially shifted from the one servo pattern in the track of the boundary area, according to the timing correction data.
Owner:KK TOSHIBA +1
Disk device
PendingUS20260179650A1Disposition/mounting of recording headsRecord information storageDisks (device)Flexible electronics
A disk device according to an embodiment includes a magnetic disk, a magnetic head, a flexible printed circuit board, and an electronic component. The flexible printed circuit board includes a first insulating layer, a first conductive layer on a first face of the first insulating layer, a second conductive layer on a second face of the first insulating layer, a second insulating layer covering the second face and the second conductive layer, and a first adhesive layer bonding the second insulating layer to the second face and the second conductive layer. The first conductive layer includes a first land. The second conductive layer includes a first part with first through holes, the first part overlapping the first land through the first insulating layer. The first adhesive layer adheres to the second face through the first through holes. The electronic component includes a first pin joined to the first land.
Owner:KK TOSHIBA +1