Patent application number | Description | Published |
20080278852 | PERPENDICULAR MAGNETIC RECORDING HEAD AND METHOD OF MANUFACTURING THE SAME - A perpendicular magnetic recording head and a method of manufacturing said perpendicular magnetic recording head are provided. The perpendicular magnetic recording head has a main pole, a coil, which applies a magnetic field to the main pole, and a return pole constituting a magnetic circuit together with the main pole. The main pole has a back pole around which the coil is wound and a front pole contacting the back pole. The back pole and the front pole are formed on the same plane. | 11-13-2008 |
20080295536 | AUGER IN ICE BIN AND REFRIGERATING MACHINE HAVING THE SAME - Disclosed is the auger in an ice bin mounted in a refrigerator, and the like. The auger in the ice bin is configured to rotate an auger having spiral-shaped transfer blades and to dispose ice in each space between the transfer blades of the auger for transfer. Accordingly, a certain amount of ice can always be discharged without simultaneously discharging a great amount of ice, and a user may select the number of ice, thus to diversity functions of an ice dispenser. In addition, since the auger is made of a flexible material, the ice can be prevented from being crushed during transfer, thereby enhancing the reliability of the ice dispenser. | 12-04-2008 |
20080295538 | AUGER IN ICE BIN AND REFRIGERATING MACHINE HAVING THE SAME - Disclosed is the auger in an ice bin mounted in a refrigerator, and the like. The auger in the ice bin is configured to rotate a plurality of augers having spiral-shaped transfer blades and to dispose ice in each space between the transfer blades of the auger for transfer. Accordingly, a certain amount of ice can always be discharged without simultaneously discharging a great amount of ice, and a user may select the number of ice, thus to diversity functions of an ice dispenser. In addition, since the auger is made of a flexible material, the ice can be prevented from being crushed during transfer, thereby enhancing the reliability of the ice dispenser. | 12-04-2008 |
20080310053 | MAGNETIC RECORDING MEDIUM, METHOD OF RECORDING SERVO PATTERN ON MAGNETIC RECORDING MEDIUM, AND MAGNETIC HEAD - A magnetic recording medium includes a disk substrate and a magnetic recording layer formed on one surface or both surfaces of the disk substrate. The magnetic recording layer includes at least one pattern area forming a plurality of data tracks in which a position for magnetic recording is patterned with a magnetic body and at least one continuous area formed of a continuous magnetic body, and at least a part of a servo pattern for following the data track is recorded in the continuous area. A method of recording a servo pattern on a magnetic recording medium includes determining a center position of the data track and a start position of the continuous area and recording a servo pattern for following the data track in the continuous area with respect to center position of the data track and the start position of the continuous area. A magnetic head for recording a servo pattern on a magnetic recording medium includes a data writing head for recording data, a servo writing head for recording the servo pattern, and a reading head for reproducing the data. | 12-18-2008 |
20090027802 | MAGNETIC RECORDING APPARATUS - Provided is a magnetic recording apparatus including a magnetic recording medium having a magnetic recording position patterned of a magnetic substance and a read head reading information from the magnetic recording medium, wherein the magnetic recording medium includes: a data area having the magnetic recording position patterned including a plurality of data tracks; and a servo area including a servo burst for tracking the data tracks, wherein the servo burst includes a plurality of bursts deviating from one another in a downtrack direction, and a width of each of the bursts is equal to or greater than a width of the read head and narrower than twice the width of the read head. According to this structure, although data is reproduced using a read head having a greater width than a width of each of data tracks, a linear section in which an output voltage is reduced depending on a size of an off-track is formed. As a result, a dead zone can be removed. | 01-29-2009 |
20090059424 | MAGNETIC HEAD, MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING APPARATUS USING THE MAGNETIC HEAD AND MAGNETIC RECORDING MEDIUM - Provided are a magnetic head, a magnetic recording medium, and a magnetic recording apparatus using the magnetic head and the magnetic recording medium. The magnetic head is used for magnetically recording data on a magnetic recording medium and includes a main pole; a return-yoke forming a magnetic path along with the main pole; a coil for inducing a magnetic field to emit a magnetic field for magnetic recording through an end tip of the main pole near a magnetic recording medium; and an insulating layer for electrically insulating the main pole from the return-yoke. The main pole is electrically connected to an external device and generates an electric field for assisting magnetic recording along the magnetic field for magnetic recording. In this structure, the coercive force of a magnetic recording layer can be reduced during magnetic recording so that data can be recorded at high density. | 03-05-2009 |
20090122449 | MAGNETIC WRITE HEAD AND METHOD OF MANUFACTURING THE SAME - A magnetic write head includes a main pole, a return yoke forming a magnetic path with the main pole, a side shield formed at both sides of the main pole, and a shield gap layer formed between the side shield and the return yoke. The side shield and the return yoke have portions connected to each, and are separated from each other by the shield gap layer in an area except for the portions which contact. A first gap layer formed of a nonmagnetic insulation material is formed between both sides of the main pole and the side shield. A gap is formed between an end portion of the main pole and an end portion of the return yoke and a second gap layer is formed in the gap with a nonmagnetic insulation material. | 05-14-2009 |
20090255279 | REFRIGERATOR AND ICE MAKER THEREOF - An ice detecting apparatus of an ice maker disposed to make ice in a refrigerator includes an ice maker and an ice detecting sensor to detect an ice-full state of ice discharged from the ice maker. The ice detecting sensor may be disposed at the ice maker. The ice detecting sensor may also be heated by a heater. | 10-15-2009 |
20090255280 | REFRIGERATOR AND ICE MAKER THEREOF - An ice detecting apparatus for an ice maker provided in a refrigerator includes an ice maker, and an ice detecting sensor attached to the ice maker and detecting an amount of ice collected in an ice container. The ice detecting sensor includes at least one optical transmitter or emitter provided on one side of the ice maker and at least one receiver at another side of the ice maker. The optical transmitter and receiver are separated by a prescribed distance and, at least one heater is provided to generate heat to be transferred to at least one of the optical transmitter or receiver. | 10-15-2009 |
20090255283 | REFRIGERATOR AND ICE MAKER THEREOF - An ice detecting apparatus for a refrigerator the apparatus includes an ice maker, an ice container to collect ice made by the ice maker, and an ice detecting sensor to detect an amount of ice stored in the ice container. The ice detecting sensor has a transmitter module provided on one side of the ice maker and a receiver module provided on another side of the ice maker. The transmitter module is separated by a prescribed distance from the receiver module. At least one of the transmitter module or receiver module includes at least one optical element and at least one heater, and the heater is made of an electroconductive heating material. | 10-15-2009 |
20090272130 | ICE DETECTING APPARATUS OF ICE MAKER FOR REFRIGERATOR AND ICE DETECTING METHOD THEREOF - An ice detecting apparatus for a refrigerator comprising and ice maker, a storage container to collect ice from the ice maker, and an ice detecting sensor provided at the ice maker including a transmitting unit to transmit one or more pulses, and a receiving unit to detect the pulses transmitted from the transmitting unit. A controller to determine whether the storage container is full or nearly full based on the pulses detected by the receiving unit among one or more pulses transmitted by the transmitting unit. | 11-05-2009 |
20090293509 | ICE AMOUNT DETECTING METHOD OF ICE DETECTING APPARATUS OF ICE MAKER FOR REFRIGERATOR - A method of detecting an amount of ice stored in a storage bin made by an ice maker of a refrigerator, the method comprises applying heat to the ice detecting sensor of the ice maker, detecting an amount stored in the storage bin, and controlling heat application according to the detected amount. The ice maker has an ice detecting sensor attached thereto. A sensor heater provides the heat. | 12-03-2009 |
20090293510 | ICE DETECTING METHOD AND APPARATUS FOR A REFRIGERATOR - A method of determining a amount of ice collected in a storage container of a refrigerator, the ice being discharged into the storage container by an ice maker having an ice detecting sensor with a heater, the method comprises determining whether or not the ice storage container is full or nearly full of ice by turning on the detecting sensor for a prescribed period of time. In one embodiment, the heater is turned on while the determining step is preformed. In an alternative embodiment, the heater is continuously maintained in an “ON” state. | 12-03-2009 |
20090316295 | METHOD OF SERVO WRITING, METHOD OF COMPENSATING PHASE MISMATCH OF SERVO PATTERN AND HARD DISK DRIVE ON WHICH THE METHODS ARE IMPLEMENTED - A method of servo writing for each track of a magnetic recording medium divided into a plurality of circular tracks including performing a phase adjustment operation by controlling a phase of a recording current according to a skew angle formed by a magnetic head and a track of the magnetic recording medium, and writing a servo pattern when the magnetic recording medium is magnetized using a magnetic head so as to have a magnetized pattern corresponding to a servo pattern. | 12-24-2009 |
20100139299 | REFRIGERATOR AND FULL ICE LEVEL SENSING APPARATUS THEREOF - A refrigerator and an ice level sensing apparatus are provided. The refrigerator may include a main body, and an ice level sensing apparatus including an optical element for sending or receiving a signal, and an alignment device for aligning and maintaining alignment of the optical element in a preset direction. The sensing apparatus may sense whether an ice storage container in which ice cubes made by an ice maker is at a full ice level. The optical element may be aligned at a preset position, thus preventing movement of the optical element, resulting in improved reliability of the sensing apparatus. | 06-10-2010 |
20100147792 | MAGNETIC RECORDING HEAD AND METHOD OF MANUFACTURING THE SAME - A magnetic recording head and a method of manufacturing the same. The magnetic recording head includes a stack containing a main pole and a return pole. The stack includes a first magnetic layer having a groove formed therein; an insulating layer covering a surface of the groove; and a second magnetic layer pattern filling the groove covered with the insulating layer. | 06-17-2010 |
20110100039 | ICE-FULL STATE DETECTING APPARATUS AND REFRIGERATOR HAVING THE SAME - An ice-full state detecting apparatus and a refrigerator having the same are disclosed. The refrigerator including an ice-full state detecting apparatus includes: a refrigerator body including a cooling chamber; a cooling chamber door to open and close the cooling chamber; an ice maker installed at the cooling chamber or at the cooling chamber door; an ice storage container to store ice made by the ice maker; and the ice-full state detecting apparatus to detect an ice-full state of the ice storage container, wherein the ice-full state detecting apparatus includes: a ice-full state detecting sensor to detect an ice-full state of the ice storage container; a sensor heater to heat the ice-full state detecting sensor; a detecting unit to detect whether the ice-full state detecting sensor is in contact with external air; and a controller to control the operation of the sensor heater based on the detection result of the detecting unit. The ice-full state detecting sensor can be restrained from being frosted to thus prevent degradation of detection performance of the ice-full state detecting sensor. In addition, power consumption required for a defrosting operation can be reduced. | 05-05-2011 |