Abstract: A method of managing a page buffer of a non-volatile memory device comprises programming least significant bit (LSB) page data from an LSB page buffer into a page of memory cells, and retaining the LSB page data in the LSB page buffer until most significant bit (MSB) page data corresponding to the LSB page data is programmed in the page.

Abstract: An image forming apparatus includes a power supply unit to generate DC power, a plurality of function units to perform the functions of the image forming apparatus, a control unit to control the operation of a plurality of function units, a switching unit to receive DC power of the power supply unit and switch power provided to the control unit and each of a plurality of function units, and a power management unit to receive DC power of the power supply unit and to control a switching operation of the switching unit according to an operation mode of the image forming apparatus.

Abstract: The non-volatile memory system includes a non-volatile memory and a controller. The non-volatile memory includes a data region including a sector region for storing sector data, and an uncorrectable information region for storing uncorrectable sector information on the sector region. The controller includes an information generation unit for generating the uncorrectable sector information that indicates whether the sector region is assigned to an uncorrectable sector region, according to a command output from a host.

Abstract: The present invention relates to a compressor, wherein a rotary shaft 140 having a swash plate 144 coupled thereto is used to linearly reciprocate a piston 150 in a cylinder bore 134 formed in front and rear cylinder blocks 130 and 130?. The rotary shaft 140 has a flow channel 142 formed therein and inlets 142a formed to communicate with the flow channel 142. A hub 146 is formed in the swash plate 144, and a shaft hole 146a, through which the rotary shaft 140 passes, is formed in the center of the hub 146. Communication holes 146b are formed in the hub 146 to communicate with the inlets 142a of the flow channel 142. First races 148a are coupled to the hub 146. A rotary shaft hole 148d is formed in the first race 148a, which has a thickness greater in its outer peripheral portion than its inner peripheral portion.

Abstract: A semiconductor device with flash memory includes; a log type determining unit configured to select log type from among a plurality of log types with respect to a log block storing program data requested to be programmed in the flash memory and generate a control signal indicating information indicating the selected log type, and a plurality of log units configured to store program data in the log block having a corresponding log type in response to the control signal, wherein the log type determining unit converts a first type log block formed by a first log type and included in a first type log unit from among the plurality of log units into second type log block formed by a second log type and converts the log block included in a second type log unit from among the plurality of log units into the first type log blocks, the first log type being different from the second log type.

Abstract: A memory device includes a control module to determine first data blocks needing a garbage collection, to determine second data blocks needing memory refresh among the determined first data blocks, and to execute the garbage collection first on the second data blocks.

Abstract: A semiconductor storage device and a method of throttling performance of the same are provided. The semiconductor storage device includes a non-volatile memory device configured to store data in a non-volatile state; and a controller configured to control the non-volatile memory device. The controller calculates a new performance level, compares the calculated performance level with a predetermined reference, and determines the calculated performance level as an updated performance level according to the comparison result.

Abstract: A semiconductor storage device (SSD) and a method of throttling performance of the SSD. The method can include gathering at least two workload data items related with a workload of the semiconductor storage device, estimating the workload using the at least two workload data items, and throttling the performance of the semiconductor storage device according to the estimated workload. Accordingly, a workload that the semiconductor storage device will undergo can be estimated.

Abstract: A semiconductor storage device and a method of throttling performance of the same are provided. The semiconductor storage device includes a non-volatile memory device; and a controller configured to receive a write command from a host and program write data received from the host to the non-volatile memory device in response to the write command. The controller inserts idle time after receiving the write data from the host and/or after programming the write data to the non-volatile memory device.

Abstract: A transmitter for supplying a large current upon phase change of an output voltage is disclosed.

Abstract: The non-volatile memory system includes a non-volatile memory and a controller. The non-volatile memory includes a data region including a sector region for storing sector data, and an uncorrectable information region for storing uncorrectable sector information on the sector region. The controller includes an information generation unit for generating the uncorrectable sector information that indicates whether the sector region is assigned to an uncorrectable sector region, according to a command output from a host.

Abstract: A method of managing a page buffer of a non-volatile memory device comprises programming least significant bit (LSB) page data from an LSB page buffer into a page of memory cells, and retaining the LSB page data in the LSB page buffer until most significant bit (MSB) page data corresponding to the LSB page data is programmed in the page.

Abstract: An image forming apparatus includes a power supply unit to generate DC power, a plurality of function units to perform the functions of the image forming apparatus, a control unit to control the operation of a plurality of function units, a switching unit to receive DC power of the power supply unit and switch power provided to the control unit and each of a plurality of function units, and a power management unit to receive DC power of the power supply unit and to control a switching operation of the switching unit according to an operation mode of the image forming apparatus.

Abstract: A transmitter for supplying a large current upon phase change of an output voltage is disclosed.

Abstract: A differential signaling serial interface circuit includes a receiver including a voltage comparator having input terminals with a termination resistor RT, a panel in front of the receiver, the panel having a load, and a transmitter for supplying a differential input current to the load of the panel.

Abstract: A semiconductor device with flash memory includes; a log type determining unit configured to select log type from among a plurality of log types with respect to a log block storing program data requested to be programmed in the flash memory and generate a control signal indicating information indicating the selected log type, and a plurality of log units configured to store program data in the log block having a corresponding log type in response to the control signal, wherein the log type determining unit converts a first type log block formed by a first log type and included in a first type log unit from among the plurality of log units into second type log block formed by a second log type and converts the log block included in a second type log unit from among the plurality of log units into the first type log blocks, the first loge type being different from the second log type.

Abstract: The present invention relates to a compressor, wherein a rotary shaft 140 having a swash plate 144 coupled thereto is used to linearly reciprocate a piston 150 in a cylinder bore 134 formed in front and rear cylinder blocks 130 and 130?. The rotary shaft 140 has a flow channel 142 formed therein and inlets 142a formed to communicate with the flow channel 142. A hub 146 is formed in the swash plate 144, and a shaft hole 146a, through which the rotary shaft 140 passes, is formed in the center of the hub 146. Communication holes 146b are formed in the hub 146 to communicate with the inlets 142a of the flow channel 142. First races 148a are coupled to the hub 146. A rotary shaft hole 148d is formed in the first race 148a, which has a thickness greater in its outer peripheral portion than its inner peripheral portion.

Abstract: The present invention relates to a compressor used in an air conditioner of a vehicle. In the present invention, an oil separation chamber and a discharge chamber are formed in one side of a discharge chamber of a compressor, a cylindrical oil separation conduit is formed between the oil separation chamber and the discharge chamber. At the same time, one discharge passage is formed such that refrigerant supplied from the front and rear discharge chambers is collected and oil is separated from the refrigerant, so that the oil is separated from the compressed refrigerant and returns to a swash plate chamber, thereby improving lubricity in the swash plate chamber.

Abstract: Disclosed is a compressor in which, in correspondence to a point in time that the piston is reached to a bottom dead center to start compression of the refrigerant, the outlet of the main refrigerant suction channel is closed by an inner wall of the cylinder block so that the inlet of the suction passageway of the cylinder block and the outlet of the main refrigerant suction channel of the drive shaft are discommunicated.

Abstract: Provided is a TDMA (time division multiple access) PON (passive optical network) OLT (optical line terminal) system for a broadcast service, including packet processor determining information according to types of frames (unicast, multicast, and broadcast frames) and a switch output port using header information (an IP address of a packet header, MAC (multiple access control) addresses of Ethernet frames, and the like) of data received from an external node or the ONT (optical network terminal) and attaching the information to header parts of the frames to generate second data, a switch copying the second data by a predetermined number of times according to a transmission method and transmitting the second data to a corresponding destination output port according to the identification codes, M TDMA PON MAC processors removing the identification codes added to the second data and converting the second data into TDMA PON frames, and M optical transceivers converting the TDMA PON frames into optical signals and