Abstract: A driving method of a plasma display panel is provided in which effective resolution and luminance in a display of fields that constitute a frame are improved. The method includes dividing each of M (M?2) fields that constitute a frame into K (K?2) subfields having luminance weight, displaying the k (1?k<K) subfields selected in descending order of the luminance weight in progressive format using all display lines out of the K subfields and displaying the remaining subfields in interlaced format using the display lines selected at regular intervals at a ratio of one per M display lines in arrangement order.

Abstract: 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.

Abstract: A large diameter part is formed in a case-side oil passage, an O-ring is fitted into the large diameter part, and an oil pump is installed to the transmission case by adjusting a discharge hole thereof and the case-side oil passage in alignment with each other. A notch is formed in radial direction from an inner peripheral surface of the large diameter part to an outer peripheral surface of a seat part. When the discharge hole and the case-side oil passage are communicated without the O-ring in the large diameter part, an oil passing through the discharge hole leaks from the notch. Thus in a state the O-ring is not assembled, an oil pressure is not increased by positively leaking the oil through the notch, whereby it can be easily detected that the O-ring is not assembled by mistake.

Abstract: There is provided an oil separating structure of an automatic transmission, which makes it difficult for an oil strainer of an oil pump to draw oil containing air bubbles. A baffle plate base separates a space around the oil strainer and a space around a driven sprocket as well as a final gear, and therefore, oil containing air bubbles formed as a result of agitation by the driven sprocket, chain, and final gear does not flow directly into the oil strainer. As a result, the oil strainer is unlikely to draw oil containing air bubbles.

Abstract: There is provided a baffle plate which conforms to the shape of the inner peripheral surface of a transmission case and can be easily brought into contact with the inner peripheral surface of the transmission case, making it easier to design and manufacture the baffle plate. Rubber plates are arranged on a side of the baffle plate in proximity to the bottom wall of the transmission case. The baffle plate encloses both sides of the rotating surface of the driven sprocket. Therefore, even if the inner peripheral surface of the bottom wall of the transmission case has a complex shape, the side of the baffle plate in proximity to the case bottom wall can be closely attached to the inner peripheral surface of the transmission case. And, the baffle plate can be easily designed and manufactured. Also, oil agitating resistance during rotation of the driven sprocket can be reduced.

Abstract: A belt-type continuously-variable transmission includes a casing enclosing a primary pulley, a secondary pulley, a belt connecting the pulleys and a parking gear; and a side cover subassembly including a side cover joined to the casing. The side cover assembly further includes a parking pawl arranged to engage with the parking gear, a support member arranged to support the parking pawl; and a return spring.

Abstract: First and second oil flow passages are defined in a wall portion of a transmission casing. The first oil flow passage has an open end exposed to an interior of the casing. The second oil passage is connected to the first oil passage through a connection opening defined by the first oil passage. A separate pipe member has a predetermined end portion that is inserted into the first oil passage from the open end of the same. The predetermined end portion comprises a cylindrical portion having a fixed length; an end opening defined by an end of the cylindrical portion and exposed to the first oil passage; and an orifice opening defined by a side wall of the cylindrical portion. The orifice opening is blocked by an inner wall of the first oil passage when the connection opening takes a first position relative to the open end of the first oil passage, and exposed to the second oil passage when the connection opening takes a second position relative to the open end of the first oil passage.

Abstract: In a belt continuously-variable transmission, a casing or a housing is formed with an air communicating hole extending through an upper part of the casing or the housing. The casing and the housing include inner walls defining an air breather chamber and communicating parts. The air breather chamber is defined in a region located above a joint between the casing and the housing and ranging from an upper side of the second shaft to an upper side of the first shaft and between the second shaft and the first shaft. The communicating parts are defined at a position in the upper side of the first shaft and at a position between the second shaft and the first shaft. The air breather chamber communicates with open air via the air communicating hole, and communicates with an inside part of a casing assembly via each of the communicating parts.

Abstract: An oil cooling and filtering system of a transmission is described which comprises first and second oil passages formed in a given portion of a housing of the transmission. The given portion has an outer surface exposed to the outside of the housing. The first oil passage is fed with a compressed lubricating oil from an oil compressing means and the second oil passage is led to moving parts of the transmission which are to be lubricated. An oil cooler is connected to the outer surface of the given portion. The oil cooler includes a water flow passage and an oil flow passage which are isolated from each other. The oil flow passage has an inlet opening connected to the first oil passage and an outlet opening connected to the second oil passage. An oil filter is installed in at least one one of the first and second oil passages for filtering the lubricating oil flowing in the oil passage. With this arrangement, the oil cooler can be compact in size and simple in construction.

Abstract: A rib structure for a display device includes a light-transmissive rib structure containing therein a material absorbent of visible light so that a visible light absorption distance is 40 to 1200 ?m (the visible light absorption distance L (?m) means a distance such that visible light decreases to exp(?T/L) times less in connection to the travel distance T (?m), that is, visible light is absorbed by 1-exp(?T/L)).

Abstract: To maximize the efficiency of utilization of mother substrates used as material for the substrates in the flat display panel to form a display screen, the flat display panel includes a display screen formed by tetragonal first and second substrates. Four sides or opposite two sides forming a tetragonal peripheral edge of the first substrate are rendered to be substantially equal to those of the second substrate, and the first and second substrate are sandwiched together with one of the first and second substrates protruding in part outwardly from the peripheral edge of the other of the first and second substrates.

Abstract: A partition is formed by the process including a step for providing a sheet-like partition material that covers a display area and outside thereof on the surface of the substrate, a step for providing a mask for patterning that covers the display area and the outside thereof, so that a pattern of the portion arranged outside of the display area of the mask is a grid-like pattern, a step for patterning the partition material covered partially with the mask by a sandblasting process, and a step for baking the partition material after the patterning.

Abstract: A method for driving a plasma display panel is provided in which wasteful power consumption is reduced and ion bombardment that may deteriorate cells is suppressed for a long life of cells. A ratio of lighting that is a ratio of the number of cells to be lighted to a total number of cells is detected in accordance with display data that determine contents of addressing. In accordance with the detected ratio of lighting, a waveform of a voltage pulse that is applied in the sustaining step for displaying the corresponding display data is changed so that a gradient of the voltage change at a leading edge becomes smaller for a large value of the ratio of lighting than for a small value of the same.

Abstract: A method for driving a plasma display panel is provided in which wasteful power consumption is reduced and ion bombardment that may deteriorate cells is suppressed for a long life of cells. A ratio of lighting that is a ratio of the number of cells to be lighted to a total number of cells is detected in accordance with display data that determine contents of addressing. In accordance with the detected ratio of lighting, a waveform of a voltage pulse that is applied in the sustaining step for displaying the corresponding display data is changed so that a gradient of the voltage change at a leading edge becomes smaller for a large value of the ratio of lighting than for a small value of the same.

Abstract: A partition is formed by the process including a step for providing a sheet-like partition material that covers a display area and outside thereof on the surface of the substrate, a step for providing a mask for patterning that covers the display area and the outside thereof, so that a pattern of the portion arranged outside of the display area of the mask is a grid-like pattern, a step for patterning the partition material covered partially with the mask by a sandblasting process, and a step for baking the partition material after the patterning.

Abstract: A plasma display device includes a plasma display panel having a pair of opposing base plates and plural discharge cells formed between the base plates, and a driving circuit for driving the discharge cells. Each discharge cell has a pair of discharge sustain electrodes disposed on one of the base plates and an address electrode disposed on another of the base plates. At least one of the pair of discharge sustain electrodes is supplied with a pulse drive voltage within a period of light emission of a corresponding one of the plural discharge cells, and an address electrode of at least one of the plural discharge cells is supplied with a driving voltage within the period of light emission, and the drive voltage has a waveform where an absolute value of the voltage level Vb is not greater than an absolute value of half the voltage level Va.

Abstract: A driving method of a plasma display panel is provided in which effective resolution and luminance in a display of fields that constitute a frame are improved. The method includes dividing each of M (M≧2) fields that constitute a frame into K (K≧2) subfields having luminance weight, displaying the k (1≦k<K) subfields selected in descending order of the luminance weight in progressive format using all display lines out of the K subfields and displaying the remaining subfields in interlaced format using the display lines selected at regular intervals at a ratio of one per M display lines in arrangement order.

Abstract: A plasma display panel has a good productivity of partition formation and air exhaustion process and realizes a bright and stable display. A discharge gas is filled in a gap between two substrates. A mesh-patterned partition is arranged on the inner surface of one of the substrates for dividing the gap into plural squares corresponding to a cell arrangement. The partition has low portions forming a mesh-like air path that travels through all of the gas-filled space enclosed by the partition, in a plan view.

Abstract: In a display panel, the luminance and contrast are improved by making a partition semitransparent, which is a constituent element adjacent to a light-emitting section. A visible light incident on the partition proceeds inside the partition while being attenuated at a constant rate. When an external light incident on the partition from the front side is reflected off the bottom surface of the partition and returns to the front side again, the external light reciprocates inside the partition. Since the external light is largely attenuated by the reciprocation, the partition seemingly functions as an optical absorber with respect to the external light. A light emitted by the light-emitting section can transmit through the partition and radiate to the outside from the front side.

Abstract: A rib structure for a display device includes a light-transmissive rib structure containing therein a material absorbent of visible light so that a visible light absorption distance is 40 to 1200 &mgr;m (the visible light absorption distance L (&mgr;m) means a distance such that visible light decreases to exp(−T/L) times less in connection to the travel distance T (&mgr;m), that is, visible light is absorbed by 1-exp(−T/L)).