摘要:
A data alignment circuit of a semiconductor memory apparatus includes: a data strobe clock phase control block configured to control a phase of a data strobe clock signal in response to a strobe delay code and generate a delayed strobe clock signal; a plurality of data phase control blocks configured to control phases of input data in response to data delay codes and generate delayed data; a plurality of data alignment blocks configured to latch the delayed data in response to the delayed strobe clock signal and generate latched data and aligned data; and a delay code generation block configured to perform an operation of determining phases of the latched data and generate the strobe delay code and the data delay codes.
摘要:
A data equalizing circuit includes an equalizer configured to output data according to a control code; and a detection unit configured to divide the data into N number of calculation periods, count data transition frequencies for the N calculation periods, calculate dispersion values of the data transition frequencies for the N calculation periods, and output the control code corresponding to a largest dispersion value, in response to a counting interruption signal and a counting completion signal, wherein n is equal to or greater than 2, N is greater than n, and the data is divided to n number of unit intervals (UI), andwherein a phase shift of each of the calculation periods with respect to its corresponding UI is different from a phase shift of any of the other calculation periods with respect to its corresponding UI.
摘要:
A data equalizing circuit includes an equalizer configured to control a gain of data according to a value of a control code and output a controller gain; and a detection unit configured to divide n cycles of the data into N periods, count data transition frequencies for n/N periods while changing the value of the control code, calculate dispersion values of data transition frequencies for 1/N periods of the data from the data transition frequencies for the n/N periods, and finally output the value of the control code corresponding to a largest dispersion value, wherein n is equal to or greater than 2 and is set such that boundaries of the respective n/N periods of the data have different positions in the 1 UI data.
摘要:
Rotary compressor including a main bearing having a discharge passage for discharging compressed gas and a boss for inserting a motor shaft, the main bearing forming a component of a compression chamber, and a muffler having a boss hole for passing the boss of the main bearing and a discharge opening for discharging the compressed gas, the muffler mounted on the main bearing, wherein the discharge opening in the muffler is formed at least one in number inside of the discharge passage in the main bearing, whereby attenuating a noise generated in operation of the rotary compressor, effectively.
摘要:
There is disclosed a water spray plate having micro-shower-holes formed therein to expand a passage area of liquid. The plurality of the shower hole arrays formed to unit sprayed liquids may be arranged and there may be an effect of enabling the user to feel that sufficient liquid is supplied even if a small amount of liquid is supplied. As a result, the substantial amount of the liquid used by the user may be reduced and there may be a water-saving effect.
摘要:
Disclosed are a light emitting device and a method of fabricating the same. The light emitting device comprises a substrate. A plurality of light emitting cells are disposed on top of the substrate to be spaced apart from one another. Each of the light emitting cells comprises a first upper semiconductor layer, an active layer, and a second lower semiconductor layer. Reflective metal layers are positioned between the substrate and the light emitting cells. The reflective metal layers are prevented from being exposed to the outside.
摘要:
Disclosed are a light emitting device and a method of fabricating the same. The light emitting device comprises a substrate. A plurality of light emitting cells are disposed on top of the substrate to be spaced apart from one another. Each of the light emitting cells comprises a first upper semiconductor layer, an active layer, and a second lower semiconductor layer. Reflective metal layers are positioned between the substrate and the light emitting cells. The reflective metal layers are prevented from being exposed to the outside.
摘要:
There is disclosed a water spray plate having micro-shower-holes formed therein to expand a passage area of liquid. The plurality of the shower hole arrays formed to unit sprayed liquids may be arranged and there may be an effect of enabling the user to feel that sufficient liquid is supplied even if a small amount of liquid is supplied. As a result, the substantial amount of the liquid used by the user may be reduced and there may be a water-saving effect.
摘要:
A shower plate and a water-saving shower using the same are disclosed. The shower plate provided in a head body of shower used to supply fluid along an inner path thereof, the shower plate includes a plurality of spray holes configured to spray the supplying fluid out, wherein a predetermined amount of the spray hole are direction changing spray holes comprising a direction changing parts projected inwardly there from. The water-saving shower includes a shower plate provided in a head body of a shower used to supply fluid along an inner path thereof, the shower plate comprising a plurality of spray holes configured to spray the supplying fluid out, wherein a predetermined amount of the spray hole are direction changing spray holes comprising a direction changing parts projected inwardly there from, and a filter provided in the head body to filter foreign substances contained in the supplying fluid before the supplying fluid reaches the shower plate.
摘要:
An extendable and retractable link assembly is rotatably attached to a fixed plate and a sliding plate of a slide type cellular phone for applying a biasing force to the fixed plate and the sliding plate. The link assembly includes a link plate including a base end portion and at least one spring receiving channel extending from the base end portion. A link frame is coupled to the link plate in a removal-free manner, the link frame including a base end portion and at least one spring support rod extending into the spring receiving channel of the link plate. The link assembly further includes a spring having a first end received within the spring receiving channel of the link plate and a second end into which the spring support rod of the link frame is inserted.