摘要:
In a conventional method of driving a plasma display panel, for example, an auxiliary discharge is executed between an A electrode and a Y electrode to improve light-emission efficiency of a display discharge. However, since a phosphor layer is present between the A electrode and the Y electrode, the phosphor layer is exposed to a discharge, whereby there is a problem that its characteristic deteriorates. A method of driving a plasma display panel having a structure, in which at least three display electrodes X, Y, and Z used for a display discharge are provided to a display cell and no phosphor layer is formed between said display electrodes and a discharge space, the method comprising the steps of: varying a potential of at least one display electrode Z of said display electrodes during said display discharge; and making a potential of said at least one display electrode Z at a time of starting said display discharge different from that at a time of ending said display discharge.
摘要:
There is provided a drive circuit of a display device using a capacitive load which includes a clamp circuit connected to a power source potential and clamping a potential of the capacitive load to the power source potential such that an electric power is supplied to the capacitive load in a temporally dispersed manner. For example, the clamp circuit includes a plurality of switches parallelly connected between the capacitive load and the power source potential, the plurality of switches being turned on at different times.
摘要:
A method for soldering parts mounted on a print circuit baseboard with Pb-free material. A reflow soldering process is performed to parts mounted on one side surface of the print circuit baseboard. A flow soldering process is then performed to parts mounted on the other side surface of the print circuit baseboard with a jet flow solder process. Either a composition or a melting point of alloys generated when the reflow and flow soldering are performed is differentiated so that the alloy on one side surface does not melt during a flow soldering process to the other side surface.
摘要:
The invention provides a method of of judging a hit between at least two objects in a game system, the game system being adapted to display a plurality of objects on a screen such that at least one or more objects are moved on the screen in accordance with the operation performed by a player with a controller and/or such that at least on or more objects are moved on the screen by a CPU, the method being characterized in that each object comprises image information to be displayed and a plurality of areas used to judge a hit. Preferably, the plurality of areas are moved in accordance with the motion of each corresponding object.
摘要:
Herein described are a motion estimation method and a motion estimation apparatus for calculating a motion vector to estimate a current picture based on a reference picture. The current picture is partially formed by a current block represented by pel values. The reference picture is partially formed by a search window represented by pel values and having a plurality of candidate blocks. There are provided processor elements and side register units arranged in the form of a matrix array. The pel values of the search window are fed to the processor elements and the side register units. The pel values of the current block are fed to the processor elements. Between the processor elements and the side register units, are shifted pel values of the search window. The processor elements are designed to calculate distortion values each indicative of a difference between the current block and each of the candidate blocks on the basis of the received pel values of the search window and the received pel values of the current block. The method and apparatus are characterized in that, at one of the adjoining two columns of the matrix array, the pel values of the search window are shifted only in an upward direction, while, at the other of the adjoining two columns of the matrix array, the pel values of the search window are shifted only in a downward direction.
摘要:
A motion estimation method and a motion estimation apparatus for calculating a motion vector to estimate a current picture based on a reference picture where the current picture is partially formed by a current block represented by pel values. The reference picture is partially formed by a search window represented by pel values and having a plurality of candidate blocks. There are provided processor elements and side register units arranged in the form of a matrix array. The pel values of the search window are fed to the processor elements and the side register units. The pel values of the current block are fed to the processor elements. Between the processor elements and the side register units, are shifted pel values of the search window. The processor elements are designed to calculate distortion values each indicative of a difference between the current block and each of the candidate blocks on the basis of the received pel values of the search window and the received pel values of the current block. The method and apparatus are characterized in that, at one of the adjoining two columns of the matrix array, the pel values of the search window are shifted only in an upward direction, while, at the other of the adjoining two columns of the matrix array, the pel values of the search window are shifted only in a downward direction.
摘要:
A pointer re-setting method and apparatus are disclosed wherein resetting in a re-setting process of a pointer which is required for conversion from a transmission line frame phase into an in-apparatus frame phase is performed at an advanced timing to minimize invalid data. The pointer re-setting circuit includes retiming circuit 81 for latching a count value 112 from an in-apparatus frame counter 6 in response to a data head signal 111 from buffer 5, decoder circuit 7 for producing pulse signal 113 indicating a pointer insertion position, retiming circuit 91 for retiming the output from retiming circuit 81 at the timing of pointer insertion position signal 113 when inhibition signal 115 is not outputted from pointer value renewal inhibition signal generation circuit 11, incoincidence detection circuit 10 for outputting incoincidence signal 118 when the output values of the two retiming circuits 81 and 91 do not coincide with each other, retiming circuit 13 for latching incoincidence signal 118 from the incoincidence detection circuit 10 in response to the pointer insertion position signal 113, and pointer value renewal inhibition signal generation circuit 11 for producing a signal to inhibit renewal of the pointer value in response to pointer insertion position signal when incoincidence signal 118 is generated from the incoincidence detection circuit 10.
摘要:
A high pressure evaporation vessel which is operated at a predeterminate pressure above atmospheric pressure, is connected to a low pressure expansion vessel which is operated at a predeterminate pressure below the pressure prevailing in the high pressure evaporation vessel, through a U-shaped siphon tube. The U-shaped siphon tube contains a liquid column absorbing the pressure difference existing between the high pressure evaporation vessel and the low pressure expansion vessel.