Abstract: Disclosed is a folder-gluer comprises: a conveyance device configured to convey a corrugated paperboard sheet; a pair of bending bars configured to bend a first panel and a fourth panel of the corrugated paperboard sheet from 0 degree to about 90 degrees; a pair of bending plates provided in a zone where the first and fourth panels are bent from 0 degree to about 90 degrees, and configured such that distal ends thereof come into contact, respectively, with crease lines of the first and fourth panels or vicinities of the crease lines, wherein each of the bending plates is configured to be pushed and moved outwardly in a width direction, by a push-out device; a detector configured to detect a position of the corrugated paperboard sheet; and a control device configured to control the push-out device.

Abstract: Disclosed is a folder-gluer comprises: a conveyance device configured to convey a corrugated paperboard sheet; a pair of bending bars configured to bend a first panel and a fourth panel of the corrugated paperboard sheet from 0 degree to about 90 degrees; a pair of bending plates provided in a zone where the first and fourth panels are bent from 0 degree to about 90 degrees, and configured such that distal ends thereof come into contact, respectively, with crease lines of the first and fourth panels or vicinities of the crease lines, wherein each of the bending plates is configured to be pushed and moved outwardly in a width direction, by a push-out device; a detector configured to detect a position of the corrugated paperboard sheet; and a control device configured to control the push-out device.

Abstract: The present invention provides a corrugated sheet manufacturing apparatus (1) which includes a single facer (8), a double facer (14), and a cutter machine (16). The single facer includes a flute pitch calculation unit for calculating and setting a value of the flute pitch of the medium in such a manner that the given cut length for the double-faced corrugated sheet becomes equal to an integral multiple of the flute pitch of the medium; a flute pitch detection unit for detecting a flute pitch of the single-faced corrugated sheet; and a brake controller (44) for adjusting a tension of a liner being fed into the single facer to allow the detected flute pitch of the single-faced corrugated sheet to become equal to the set flute pitch.

Abstract: A folder gluer for folding a cardboard sheet having first through fourth panels connected through connecting portions and a glue tab and joining the first and fourth panels at the glue tab is disclosed. The folder gluer includes a pair of pressing members movable relative to one another in a cardboard sheet width direction perpendicular to a cardboard sheet feed direction for pressing the connecting portions of the first and fourth panels which are being folded, a detector disposed upstream in the feed direction from the pair of pressing members for detecting a passage of the cardboard sheet being fed in the feed direction and generating a detection signal, and a controller for determining, based on the generation of the detection signal from the detector, a timing at which the pair of pressing members are caused to move relative to one another and press on the connection portions of the first and fourth panels after the first and fourth panels are folded to 90° and before being folded to 180°.

Abstract: Provided is a corrugated paperboard box making machine which comprises: a cutting device for cutting one corrugated paperboard sheet into a plurality of small-size corrugated paperboard sheets along a direction perpendicular to a predetermined transport direction; a folder-gluer for bending and gluing each of the cut small-size corrugated paperboard sheets; a counter-ejector for stacking the glued small-size corrugated paperboard sheets to form a batch of the small-size corrugated paperboard sheets; and an inter-sheet spacing device for spacing the small-size corrugated paperboard sheets apart from each other, between the folder-gluer and the counter-ejector.

Abstract: Discharge for detecting the position coordinates of an electronic pen is caused stably, and the position coordinates are detected accurately. For this purpose, in a driving method of an image display device, an image display subfield group constituted of image display subfields, a timing detection subfield, a y-coordinate detection subfield, and an x-coordinate detection subfield are set in one field. In the timing detection subfield, a plurality of timing detection pulses for causing timing detection discharge in discharge cells is applied to scan electrodes and sustain electrodes alternately.

Abstract: Discharge for detecting the position coordinates of an electronic pen is caused stably, and the position coordinates are detected accurately. For this purpose, in a driving method of an image display device, an image display subfield, a y-coordinate detection subfield, and an x-coordinate detection subfield are included in one field. In the x-coordinate detection subfield, an x-coordinate detection waiting period is set in which a voltage higher than an x-coordinate detection voltage is applied to the scan electrodes and a voltage lower than the voltage of x-coordinate detection pulses is applied to the data electrodes. After the x-coordinate detection waiting period, the x-coordinate detection voltage is applied to the scan electrodes, and the x-coordinate detection pulses are sequentially applied to the data electrodes.

Abstract: Discharge for detecting the position coordinates of an electronic pen is caused stably, and the position coordinates are detected accurately. For this purpose, in a driving method of an image display device, an image display subfield group constituted of image display subfields, a y-coordinate detection subfield, and an x-coordinate detection subfield are set in one field. An initializing period, in which an up-ramp voltage and a down-ramp voltage are applied to the scan electrodes, is set in the x-coordinate detection subfield, and the x-coordinate detection subfield is disposed immediately after the y-coordinate detection subfield.

Abstract: Discharge for detecting the position coordinates of an electronic pen is caused stably, and the position coordinates are detected accurately. For this purpose, in a driving method of an image display device, an image display subfield, a y-coordinate detection subfield, and an x-coordinate detection subfield are included in one field. In an initializing period of the x-coordinate detection subfield, a first voltage is applied to data electrodes and a first down-ramp voltage is applied to scan electrodes. In the initializing period of the image display subfield, a second voltage is applied to the data electrodes and a second down-ramp voltage is applied to the scan electrodes. The voltage derived by subtracting an arrival voltage of the first down-ramp voltage from the first voltage is set higher than the voltage derived by subtracting an arrival voltage of the second down-ramp voltage from the second voltage.

Abstract: High image display quality is achieved when a 3D image is displayed on a plasma display panel (10). For this purpose, a driver circuit includes sustain pulse generation circuits (60) and (80), control signal generation circuit (45) for generating a shutter opening/closing timing signal and a control signal for controlling sustain pulse generation circuits (60) and (80), all-cell light-emitting rate detecting circuit (46) for detecting the all-cell light-emitting rate in each subfield, and partial light-emitting rate detecting circuit (47) for detecting the partial light-emitting rate in each of a plurality of regions set in an image display region of plasma display panel (10) in each subfield. The driver circuit corrects the number of sustain pulses to be generated set based on the image signal and luminance weight in each of the subfields in response to the all-cell light-emitting rate and the partial light-emitting rate.

Abstract: It is an object to provide a driving method of a plasma display panel, whereby a dark contrast can be improved while suppressing an erroneous discharge. In a resetting step in a first unit display period, while a first reset pulse having a predetermined peak electric potential is applied to one of first row electrodes of row electrode pairs formed in the PDP, a second reset pulse having a peak electric potential smaller than that of the first reset pulse is applied to the other of the first row electrodes. In the resetting step in a second unit display period subsequent to the first unit display period, a second reset pulse is applied to each of the one and the other of the first row electrodes.

Abstract: A plasma display apparatus usable as a 3D image display apparatus can reduce the crosstalk for a user who views a 3D image displayed on a plasma display panel through shutter glasses. For this purpose, the plasma display apparatus displays the 3D image on the plasma display panel having a plurality of pixels each of which is formed of a plurality of discharge cells by alternately repeating a right-eye field and a left-eye field. The plasma display apparatus adds a predetermined gradation value to an image signal to be displayed in a certain field when the number of pixels where the gradation equal to or higher than a high gradation threshold is displayed in the field immediately before a certain field and the gradation equal to or lower than a low gradation threshold is displayed in the certain field is equal to or larger than a number-of-pixels threshold.

Abstract: Sharp contrast is achieved while the driving time in displaying a 3D image on a plasma display panel is shorted. For this purpose, an all-cell initializing subfield for applying up-ramp waveform voltage and down-ramp waveform voltage to a scan electrode in the initializing period is set as the first subfield of one field. The plasma display panel is driven by one of 3D drive and 2D drive. A gradient of at least one of the up-ramp waveform voltage and the down-ramp waveform voltage in the all-cell initializing period during the 3D drive is set to be steeper than a gradient of the one waveform voltage in the all-cell initializing period during the 2D drive. A shutter opening/closing timing signal is generated so that both of a right-eye timing signal and a left-eye timing signal are in the OFF state in the all-cell initializing period during the 3D drive.

Abstract: In display of a 3D image on a plasma display panel, the plasma display apparatus achieves an excellent contrast with reduced crosstalk. For this purpose, the plasma display apparatus includes a driver circuit and a control signal generation circuit. The driver circuit drives the plasma display panel in a manner such that a subfield where an all-cell initializing operation is performed in the initializing period and a sustain discharge is caused in all the discharge cells in the sustain period is set as the first subfield of one field. The control signal generation circuit generates shutter opening/closing timing signals that include a timing signal for the right eye and a timing signal for the left eye. The control signal generation circuit sets both of the timing signal for the right eye and the timing signal for the left eye to OFF in the period of the first subfield.

Abstract: In a plasma display apparatus usable as a 3D image display apparatus, crosstalk is reduced to the user who views a 3D image displayed on the plasma display panel through a pair of shutter glasses. For this purpose, in a plasma display system, in each of fields for the right eye and fields for the left eye, luminance weights are set such that the first subfield in the one field has the heaviest luminance weight and those thereafter have luminance weights sequentially decreasing. A pair of shutter glasses is controlled in the following manner. The right eye shutter opens before the sustain period of the subfield where an address operation is performed first in the field for the right eye. The left eye shutter opens before the sustain period of the subfield where an address operation is performed first in the field for the left eye.

Abstract: In display of a 3D image on a plasma display panel, the plasma display apparatus achieves excellent image display quality while reducing crosstalk. For this purpose, the plasma display apparatus includes a driver circuit and a control signal generation circuit. The driver circuit sets a subfield where an all-cell initializing operation is performed in the initializing period as the top subfield of one field. The control signal generation circuit sets both of the timing signal for the right eye and the timing signal for the left eye to OFF in the initializing period of the top subfield. The one field includes an auxiliary subfield where no address operation is performed in the discharge cells applied with a phosphor having a long afterglow time, and an identical address operation with that in the top subfield is performed in the discharge cells applied with a phosphor having a short afterglow time.

Abstract: In a plasma display apparatus capable of displaying an image for stereoscopic view, the image display quality is enhanced. For this purpose, the plasma display apparatus includes a driver circuit and a timing generation circuit. The driver circuit drives the plasma display panel in a manner such that a field for the right eye and a field for the left eye are alternately repeated, each field is formed of an all-cell initializing subfield and a selective initializing subfield, and the top subfield of each field is the all-cell initializing subfield. The timing generation circuit generates shutter opening/closing timing signals. The timing generation circuit generates the shutter opening/closing timing signals such that both timing signal for opening/closing the right eye shutter and timing signal for opening/closing the left eye shutter are set to OFF in the all-cell initializing period of the fields for the right eye and for the left eye.

Abstract: An address period is shortened while degradation of image display quality of a plasma display apparatus is suppressed. For this purpose, in a driving method for a plasma display apparatus, the following operation is performed. A field for the right eye and a field for the left eye are alternately displayed on the plasma display panel. In each of the field for the right eye and the field for the left eye, a subfield having a smallest luminance weight occurs first, a subfield having a largest luminance weight occurs next, and the other subfields occur thereafter. In the subfield having the smallest luminance weight and the subfield having the largest luminance weight, one-line address operation for applying a scan pulse to each scan electrode is performed. In the other subfields, two-line simultaneous address operation for applying a scan pulse simultaneously to two adjacent scan electrodes is performed.

Abstract: An address period is shortened while degradation of image display quality of a plasma display apparatus is suppressed. For this purpose, in a driving method for a plasma display apparatus including a plasma display panel with a plurality of discharge cells having a scan electrode, a sustain electrode, and a data electrode, and a driver circuit, the following operation is performed. The driver circuit forms one field period by a subfield that displays an interlace signal as an image signal thinned out every one line and a subfield that displays oblique line interpolated data generated by interpolating oblique lines detected by an image signal. In the subfield displaying an image signal, the driver circuit performs two-line simultaneous address operation with application of a scan pulse simultaneously to two adjacent scan electrodes so as to generate an address discharge in a discharge cell.