Abstract: An apparatus for video to text conversion using video analysis, which analyzes at least one object included in video data input from a video acquisition device and provides motion information and attribution information of the object in the form of a sentence or word arrangement according to patterns. The apparatus includes an analysis unit, a generation unit, a database unit and a production unit.

Abstract: The present invention relates to a connection problem determination method and a connection problem determination apparatus for an image input device, and the connection problem determination apparatus, for an image input device, which includes: a network connection sensing unit which senses the network connection between a network video record system and a network-connectable image input device which provides a specific image; a timer which generates signals at regular time intervals in accordance with a clock pulse; a time delay measuring unit which measures a time delay on the basis of the signals from the timer if no network connection is sensed; and a connection problem determination unit which determines that there is a connection problem if the time delay is a predetermined threshold value or greater.

Abstract: The present invention relates to a connection problem determination method and a connection problem determination apparatus for an image input device, and the connection problem determination apparatus, for an image input device, which includes: a network connection sensing unit which senses the network connection between a network video record system and a network-connectable image input device which provides a specific image; a timer which generates signals at regular time intervals in accordance with a clock pulse; a time delay measuring unit which measures a time delay on the basis of the signals from the timer if no network connection is sensed; and a connection problem determination unit which determines that there is a connection problem if the time delay is a predetermined threshold value or greater.

Abstract: Disclosed is a wireless MIC system for automatically paring, which comprises a wireless MIC which includes a paring button at its one side and facilitates a connection mode as it is automatically paired with an amplifier by transmitting a paring request signal when the paring button is on, and initializes a connection related information stored in a storing part when the connection mode is cancelled and converts an acoustic signal into a digital audio signal and transmits to the paired amplifier; and an amplifier which facilitates a connection mode as the wireless MIC and the amplifier are paired by setting a transmission and receiving channel of the amplifier and the wireless MIC, and amplifies a digital audio signal from the wireless MIC and outputs in an acoustic form.

Abstract: A hard disk drive with a head, and a disk that is rotated by a spindle motor. The drive includes a controller that operates in a low-speed idle mode where the spindle motor speed is reduced and the head is moved to a contact start-stop zone of the disk. Reducing the speed of the spindle motor, instead of spinning down the disk allows the disk drive to rapidly resume normal operation. Parking the head at a certain area of the disk, instead of a position off disk, allows the drive to more readily re-establish a mode where data can be retrieved or stored.

Abstract: An image linking tuition device comprises an educational data control unit displaying an image scanned from a scanning device, and linking the image to an educational material and storing the educational material linked to the image therein, and searching and outputting the educational material linked to the image; a web service unit converting the educational material generated from the educational data control unit and providing a web distribution service; and the database storing the educational material generated from the educational data control unit and the web document generated from the web service.

Abstract: A method and apparatus for driving a spindle motor using adaptive feedforward control. The method includes: detecting a temperature of a drive; calculating a feedforward value corresponding to the detected temperature; and generating a first control signal that is a drive current according to a calculated feedforward value and applying the generated first control signal to the spindle motor.

Abstract: A method and apparatus for driving a spindle motor using adaptive feedforward control. The method includes: detecting a temperature of a drive; calculating a feedforward value corresponding to the detected temperature; and generating a first control signal that is a drive current according to a calculated feedforward value and applying the generated first control signal to the spindle motor.

Abstract: The present invention is a method and apparatus for positioning a read/write head in a hard disk drive. The method comprises providing a disk having a at least one side with a plurality of tracks, where each of the tracks has a servo field with servo bits. The servo bits are read to provide a position signal for positioning a read/write head. The method determines a difference in position between an initial and a subsequent position of the read/write head on a track, where the subsequent location occurs after the read/write head has moved one revolution from the initial position on the track. The initial and subsequent positions are offset laterally. The method generates a compensation signal based on the initial position, the subsequent position and the difference. The position signal and the compensation signal are combined to provide a compensated position signal for positioning the read/write head. Various embodiments are described.

Abstract: The present invention is a method and apparatus for positioning a read/write head in a hard disk drive. The method comprises providing a disk having a at least one side with a plurality of tracks, where each of the tracks has a servo field with servo bits. The servo bits are read to provide a position signal for positioning a read/write head. The method determines a difference in position between an initial and a subsequent position of the read/write head on a track, where the subsequent location occurs after the read/write head has moved one revolution from the initial position on the track. The initial and subsequent positions are offset laterally. The method generates a compensation signal based on the initial position, the subsequent position and the difference. The position signal and the compensation signal are combined to provide a compensated position signal for positioning the read/write head. Various embodiments are described.

Abstract: A self-vaccine as used herein will refer to methods of operating a disk drive and the apparatus implementing such methods, which make the disk drive immune to changes in temperature, that keep the disk drive healthy when hot or cold. The invention includes a self-vaccine extending the read channel optimization parameter database of a track zone or sequence to test temperature ranges actually found in the user's operation of the disk drive. The invention also includes the self-vaccine updating the read channel optimization parameter database for an already tested temperature range, whenever there has been sufficient time passed since the read channel optimization was performed for that temperature range. The invention includes read channel optimized parameters for at least temperature ranges within the embedded disk controller, which are updated in the user's operating environment during idle time providing the self-vaccine. The invention includes disk drives including a self-vaccine method.

Abstract: A self-vaccine as used herein will refer to methods of operating a disk drive and the apparatus implementing such methods, which make the disk drive immune to changes in temperature, that keep the disk drive healthy when hot or cold. The invention includes a self-vaccine extending the read channel optimization parameter database of a track zone or sequence to test temperature ranges actually found in the user's operation of the disk drive. The invention also includes the self-vaccine updating the read channel optimization parameter database for an already tested temperature range, whenever there has been sufficient time passed since the read channel optimization was performed for that temperature range. The invention includes read channel optimized parameters for at least temperature ranges within the embedded disk controller, which are updated in the user's operating environment during idle time providing the self-vaccine. The invention includes disk drives including a self-vaccine method.

Abstract: A method for writing and reading data in a hard disk drive and compensating for an offset between a write element and a read element of a head. The method determines an offset time by determining the difference between a desired sync byte position and an actual sync byte position located between a preamble and a data sector of the disk. The difference corresponds to the offset between the read and write elements. The offset time is subtracted from the normal time for enabling the read gate of a disk drive pre-amplifier.

Abstract: The present invention is a method and apparatus for positioning a read/write head in a hard disk drive. The method comprises providing a disk having a at least one side with a plurality of tracks, where each of the tracks has a servo field with servo bits. The servo bits are read to provide a position signal for positioning a read/write head. The method determines a difference in position between an initial and a subsequent position of the read/write head on a track, where the subsequent location occurs after the read/write head has moved one revolution from the initial position on the track. The initial and subsequent positions are offset laterally. The method generates a compensation signal based on the initial position, the subsequent position and the difference. The position signal and the compensation signal are combined to provide a compensated position signal for positioning the read/write head. Various embodiments are described.

Abstract: A method for writing and reading data in a hard disk drive and compensating for an offset between a write element and a read element of a head. The method determines an offset time by determining the difference between a desired sync byte position and an actual sync byte position located between a preamble and a data sector of the disk. The difference corresponds to the offset between the read and write elements. The offset time is subtracted from the normal time for enabling the read gate of a disk drive pre-amplifier.

Abstract: A hard disk drive which moves a transducer across a disk surface so that the transducer has an essentially sinusoidal acceleration trajectory. The transducer may be integrated into a slider that is incorporated into a head gimbal assembly. The head gimbal assembly may be mounted to an actuator arm which can move the transducer across the disk surface. The movement of the actuator arm and the transducer may be controlled by a controller. The controller may move the transducer from a first track to a new track in accordance with a seek routine and a servo control routine. During the seek routine the controller may move the transducer in accordance with a sinusoidal acceleration trajectory. The sinusoidal trajectory may reduce the high harmonics found in square waveforms of the prior art, and thus minimize the acoustic noise of the head gimbal assembly and reduce the settling time of the transducer for reducing the duration of the seek routine.

Abstract: A method for setting a read bias current required for reading data written to a hard disk at an optimal bias current using a magneto-resistive (MR) head. The method for setting a read bias current includes the steps of: writing data to the hard disk in a predetermined frequency; reading data from the disk while varying a bias current value applied to the MR head; analyzing frequency characteristics of the read data; and selecting the bias current at which the read data has the best frequency characteristics, as the bias current of the MR head. In the method, the optimal read bias current is set within a short time through a fast Fourier transform (FFT), thereby reducing the processing time.

Abstract: A hard disk drive which moves a transducer across a disk surface so that the transducer has an essentially sinusoidal acceleration trajectory. The transducer may be integrated into a slider that is incorporated into a head gimbal assembly. The head gimbal assembly may be mounted to an actuator arm which can move the transducer across the disk surface. The movement of the actuator arm and the transducer may be controlled by a controller. The controller may move the transducer from a first track to a new track in accordance with a seek routine and a servo control routine. During the seek routine the controller may move the transducer in accordance with a sinusoidal acceleration trajectory. The sinusoidal trajectory may reduce the high harmonics found in square waveforms of the prior art, and thus minimize the acoustic noise of the head gimbal assembly and reduce the settling time of the transducer for reducing the duration of the seek routine.

Abstract: A technique for the formation of servo information and its servo control capable of enlarging a total available area for data regions by reducing a servo region for servo information in a hard disk drive is used in a disk drive recording apparatus having at least one disk having tracks provided thereon with a plurality of servo sectors for recording the servo information and a plurality of data sectors, the servo sector and the data sectors each being arranged in sequence in a track of the disk in an alternate manner, and a transducer for reading out data from the data sectors as well as writing data onto the data sectors. The technique includes dividing a series of servo information into a plurality of subsections of servo information, the servo information being usable for positioning the transducer on a selected data sector in a target track, and respectively recording the divided subsections of servo information onto the same number of servo sectors as the number of the plurality of subsections.

Abstract: A method for controlling a repeatable following error of a hard disk drive, which includes a digital signal processor programmed with a feedback control operation algorithm and a repetition control algorithm. The method includes obtaining data corresponding to position error signals from sectors detected along a track of a disk recording medium during a track following mode; sequentially storing the data corresponding to the position error signals in a table; and obtaining a correction value for compensating a repeatable following error for a particular sector by processing the data corresponding to a position error signal of said particular sector and the data corresponding to the position error signals of preceding and succeeding sectors read from the table through the repetition control algorithm and feedback control algorithm.