3142results about "Record information storage" patented technology

A sensor and method for page-based optical data storage. The sensor includes a partially-reflective mirror, a reflective mirror disposed substantially collinear with and spaced apart from the partially-reflective mirror, and an active layer disposed substantially collinear with and between the partially-reflective mirror and the reflective mirror. The partially-reflective mirror has a first and second side and transmits a portion of light incident on the first side. The reflective mirror reflects light incident on the reflective mirror toward the partially-reflective mirror. The active layer absorbs at least a portion of the light oscillating at the resonant frequency.

Embodiments of the invention provide a write head for perpendicular recording in which the magnetic field intensity applied at a read element is reduced with larger write-field gradients and the distance between a write element and a read element is small. In one embodiment, a pair of magnetic bodies for shielding a read element are provided on the leading and trailing sides of the read element respectively and whichever one of the two shields is the longer in the length from the air bearing surface is shorter than the length up to the back contact position PBK at which a main pole and an auxiliary pole are connected.

To provide an information leakage prevention device capable of making information in a hard disk unusable and preventing information leakage from the hard disk. [Solution] The information leakage prevention device 1 comprises a base body on which the hard disk is placed on its inner upper surface, a holder that is placed in contact with the upper surface of the hard disk and has an explosives loading section formed to penetrate the inside of the holder from the bottom to the top, a lid that is provided to cover the top surface of the explosives loading section of the holder, explosives formed within the explosives loading section so that the central portion on the hard disk side is recessed, and an ignition device that ignites the explosives.

The present disclosure generally relates to a magnetic recording head comprising a read head. The read head comprises a first sensor disposed at a media facing surface (MFS) comprising at least one free layer, a second sensor disposed at the MFS comprising at least one free layer, a first spin generator spaced from the first sensor and recessed from the MFS, and a second spin generator spaced from the second sensor and recessed from the MFS. The first and second spin generators each individually comprises at least one spin orbit torque (SOT) layer. The SOT layer may comprise BiSb. The first and second sensors are configured to detect a read signal using a first voltage lead and a second voltage lead. The first and second spin generators are configured to inject spin current through non-magnetic layers to the first and second sensors using a plurality of current leads.

An adapter, a system and a method. The adapter comprising a frame that comprises an inner engagement features configured to engage with an OCP module received in the interior volume and to attach the OCP adapter to the OCP module and an outer engagement features configured to engage with engagement features of a bay of the EDSFF drive cage as the OCP adapter is inserted into the bay, and a latching mechanism connected to the frame and configured to latch into a latching feature of the EDSFF cage in an installed state of the OCP adapter in the bay.

A main object of the present technology is to improve the reliability of a magnetic recording tape by controlling the distribution of the binder in the underlayer.The present technology provides a magnetic recording medium including a magnetic layer, an underlayer, and a base layer in this order, the underlayer containing a chlorine-containing binder, the underlayer including a part having a thickness of 130 nm or less, the part having a chlorine count equal to or more than a threshold described below:[T⁢hreshold]=[⁠an⁢ average⁢ chlorine⁢ count⁢ in⁢ the⁢ underlayer]+6×[a⁢ standard⁢ deviation⁢ determined⁢ in⁢ calculation⁢ of⁢ the⁢ average⁢ chlorine⁢ count].Furthermore, the present technology also provides a magnetic recording medium including a magnetic layer, an underlayer, and a base layer in this order, the underlayer containing a chlorine-containing binder, the underlayer including a part having a thickness of 12% or less of a thickness of the underlayer, the part having a chlorine count equal to or more than the above-described threshold.

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.

The invention belongs to the technical field of electric energy metering, and particularly relates to a high-safety electric energy metering box, which comprises a box body and a safety assembly, and is characterized in that a meter is mounted in a mounting chamber in the box body, penetrates through the side wall of the mounting chamber through a connecting wire, and is connected into an external power grid system; a storage chamber is arranged on the back face of the box body, a safety gap is formed between the storage chamber and the installation chamber, and an information storage device is arranged in the storage chamber and connected with the meter through a transmission wire. When the meter has an overheating spontaneous combustion accident, a mounting chamber where the meter is located and a storage chamber where an information memory is located are physically separated through a safety gap; and the propelling equipment is started to drive the moving plate to move downwards to physically cut off the transmission wire, so that the information memory and the meter are completely separated, high-temperature flames are prevented from spreading along the transmission wire to threaten the information memory, the loss is further reduced, and the information safety is ensured.

An application may provide a user interface to (i) play back video within a first region of a screen and (ii) to display interactive elements corresponding to features detected in the video, the interactive elements being displayed in a second region of the screen. The application may determine that play back of the video has reached a first temporal position in the video that corresponds to a first interactive element displayed in the second region. The application may cause a change in an appearance of the first interactive element to visually distinguish the first interactive element from others of the interactive elements, the change being temporary so that upon advancement of play back of the video beyond the first temporal position the appearance of the first interactive element reverts back to the appearance as displayed before the first temporal position in the video was reached.

The invention relates to the technical field of digital playing equipment, and provides a lossless control method for the volume of a digital player and the digital player. The method comprises the following steps of: after receiving a target volume parameter, executing dynamic multiplying power oversampling and high-order noise shaping on an input digital audio signal, and injecting preset jitter to suppress in-band quantization distortion so as to generate an optimized digital audio stream; meanwhile, a high-resolution digital reference current control instruction corresponding to the target volume is independently generated, output of a reference current source is adjusted according to the high-resolution digital reference current control instruction, and a high-precision differential current signal is obtained by combining nonlinearity, temperature excursion and quantization errors of a closed-loop feedback compensation device through a multi-bit current segmentation network; performing bias stabilization processing on the signal, and converting the signal into a differential voltage signal for suppressing common-mode noise through a precision differential resistance network; and finally, low-distortion differential analog audio signals capable of directly driving a load are output through low-distortion gain, impedance conversion and power driving, so that low-distortion, high-signal-to-noise-ratio and wide-dynamic-range output in a full-volume range is realized.

In some embodiments, a method comprises obtaining a video stream of a portion of a geographic area, the video stream comprising a plurality of video frames, each of the plurality of video frames captured at a respective first time. Contextual metadata is obtained, the contextual metadata associated with one or more objects located in the portion of the geographic area at a second time, the second time being before each of the respective first times. The contextual metadata is inserted into one or more of the plurality of video frames, thereby causing the contextual metadata associated with the one or more objects to be overlaid on one or more corresponding portions of the one or more of the plurality of video frames.

A magnetic disk device according to an embodiment includes a housing in which a base, an inner cover provided with a first through-hole, and an outer cover are combined in this order and hermetically sealed, a magnetic disk that is stored in the housing, a first desiccant unit that is provided at the inner cover to face the base at a position away from the base, and a second desiccant unit that is provided at the outer cover and inserted into an internal space of the housing through the first through-hole provided in the inner cover to face the base at a position away from the base.

The present application discloses an analog-to-digital conversion circuit, a chip, and a recording device. The analog-to-digital conversion circuit comprises a main path module, a dynamic range enhancement module, and a dynamic digital-to-analog conversion module. The main path module is used for converting an analog signal and an analog feedback signal into a digital signal to be processed for outputting to the dynamic range enhancement module, and obtaining a digital signal on the basis of the digital signal to be processed and a digital gain signal and outputting the digital signal. The dynamic range enhancement module is used for performing dynamic quantization processing on the digital signal to be processed to obtain a control signal, and generating the digital gain signal. The dynamic digital-to-analog conversion module is used for, on the basis of the control signal, dynamically controlling the activation and deactivation of each DAC element in a digital-to-analog conversion array, and generating an analog feedback signal. According to the analog-to-digital conversion circuit of the present application, the need for a front-end fixed-gain OPA is eliminated, reducing power consumption and reducing costs; moreover, dynamically controlling the activation and deactivation of each DAC element in the digital-to-analog conversion array further reduces the power consumption.

This disclosure describes an apparatus that enables rapid transitions during microwave-assisted magnetic recording (MAMR) of storage media. In various aspects, the apparatus incorporates a driver circuit configured to provide a controlled bias current through separate source and sink output terminals, which respond to feedback signals. An MAMR sensor connects between the source and sink output terminals and generates microwave fields when receiving the controlled bias current from the driver circuit. A common-mode feedback (CMFB) loop connects to the source and sink output terminals, detects common-mode voltage (CMV), and delivers feedback signals to the driver circuit to maintain CMV regulation of the MAMR sensor. A differential voltage regulation loop connects to the source and sink output terminals, providing feedback signals that maintain the MAMR sensor voltage differential at a reference value. The apparatus controls the magnetic recording process of the MAMR sensor with rapid transition times.

A signed video bitstream obtained by prediction coding of a video sequence includes data units and associated signature units, wherein each data unit represents at most one macroblock in a video frame of the video sequence, and each signature unit includes a digital signature of a bitstring derived from fingerprints of exactly one associated data unit each. The bitstream is edited by: receiving a request to substitute a region; determining a first set of macroblocks, in which said region is contained, and a second set of macroblocks referring to macroblocks in the first set; adding an archive object that includes fingerprints of a first and a second set of data units, which represent the first and second set of macroblocks; editing the first set of data units in accordance with the request to substitute; and re-encoding the second set of data units.

A voice activity detection method includes a voice pickup module, a processing module coupled to the voice pickup module and a prompt module coupled to the processing module. The processing module is used to perform a voice activity detection method, including: receiving voice information by the voice pickup module; acquiring a volume value of the voice information by the processing module; determining by the processing module whether the volume value is less than or equal to a first volume threshold; when it is determined that the volume value is less than or equal to the first volume threshold, generating by the prompt module a first prompt message for increasing the volume value; and when it is determined that the volume value is more than the first volume threshold, generating by the prompt module a second prompt message that indicates a volume value standard has been satisfied.

A hybrid drive carrier frame includes a front rail comprising a first end, a second end, and a body extending along a transverse direction between the first and second ends. The frame comprises a first side rail extending from the first end of the front rail perpendicular to the transverse direction and a second side rail extending from the second end of the front rail perpendicular to the transverse direction and parallel to the first side rail. The first side rail is formed from a metal material and includes a locking tab extending along the transverse direction. The front and second side rails are formed from a plastic material. The front rail includes a locking channel at the first end of the front rail and the first side rail is connected to the first end of the front rail via engagement of the locking tab within the locking channel.

To provide an information leakage prevention device capable of making information in a hard disk unusable and preventing information leakage from the hard disk. [Solution] The information leakage prevention device 1 comprises a holder 14, a base body, and a holder arranged so as to contact the top surface of a hard disk, the holder having a first explosive loading section formed so as to penetrate from the bottom to the top inside the holder, a cover section, and an ignition device 22 having a heating section, a first type explosive layer 84 arranged within the first explosive loading section, in which the average particle size of metal powder particles is a first average particle size, and a second type explosive layer 86 arranged in contact with the first type explosive layer within the first explosive loading section, in which the average particle size of metal powder particles 82 is a second average particle size larger than the first average particle size, the first type explosive layer 84 being arranged closer to the hard disk than the second type explosive layer 86, and the first type explosive layer being arranged so as to contact the heating section of the ignition device.

The present disclosure generally relates to a captive tape drive comprising a tape head. The captive drive comprises an upper assembly, the upper assembly comprising a first tape, a first supply reel, a first take-up reel, and two or more rollers. The captive tape drive further comprises a lower assembly disposed below the upper assembly, the lower assembly comprising a second tape, a second supply reel, a second take-up reel, and two or more rollers. The tape head is disposed between the plurality of rollers, and is configured to move between the upper assembly and the lower assembly to access the first and second tapes. The tape head comprises one or more modules, each module comprising 64 writers and 64 readers. Each module is configured to write data to the first and second tapes using the 64 writers and to read verify the newly written data using the 64 readers.

In one example, a high voltage generation block comprises a temperature sensor to sense an operating temperature and output a temperature output, a trim circuit to receive a trim enable circuit and the temperature output and to generate oscillator trim bits, a charge pump oscillator to generate an oscillating signal in response to the oscillator trim bits and a feedback signal, a charge pump to receive the oscillating signal and to generate a pumped voltage, and a charge pump regulator to receive the pumped voltage and to generate the feedback signal and a high voltage output.

A defense recorder system and mobile application-implemented process are disclosed. The defense recorder system and mobile application-implemented process combines GPS location to record in public areas when local laws state that audio recording is only legal in public areas. Single party consent states will not require the GPS function but will require the constant audio recording to be made in a loop, deleting the oldest of files automatically.

Mode hop detection is provided. A device includes circuitry to receive, from a reader element an indication of one or more properties of a magnetic medium detected by the reader element. The device includes circuitry to determine an envelope of the signal. The device includes circuitry to adjust, responsive to the envelope, a current provided to a laser configured to heat the magnetic medium.

In a vehicle, a computer can receive a first content data including a first graphical component and a first audio stream and a second content data including a second graphical component and a second audio stream, and select a first audio output mode for the first audio stream and a second audio output mode for the second audio stream based on a priority determination that includes a priority of the first set of content data and / or a priority of the second set of content data, wherein the priority determination is based on a vehicle state.