Abstract: A semiconductor device has an arithmetic processing circuit provided with an arithmetic circuit and a control circuit and a memory circuit provided with a ROM and a RAM, where the arithmetic processing circuit and the memory circuit are connected to each other through an address bus and a data bus, a machine language program executed using the arithmetic processing circuit is stored in the ROM, the RAM has a plurality of banks, processing data obtained by executing the machine language program is divided into a plurality of stacks to be written to the plurality of banks, and the arithmetic processing circuit is operated in accordance with the machine language program so that, in the plurality of stacks stored in the plurality of banks, a stack of which data is not used until the machine language program is terminated is omitted and contiguous stacks are written to the same bank.

Abstract: An object is to provide a clock synchronization circuit capable of stable communication even in the case where different clock signals are used in a plurality of circuits, and a semiconductor device provided therewith. Circuit for detecting a change point of received data, and outputting a reset signal; reference clock generating means for generating a clock signal; and circuit for counting the clock signals outputted from the reference clock generation means, and resetting a counter value obtained by counting the clock signals in the case where the reset signal is inputted are provided.

Abstract: A semiconductor device such as an RFID, which can easily generate a given stable potential, is provided. Circuits included in a semiconductor device are categorized depending on whether a given stable power source potential is necessary. A power source potential generated from a wireless signal received by an antenna with the use of the antenna and a rectifier circuit is supplied to a circuit which needs a given stable power source potential through a regulator. On the other hand, a power source potential generated by the rectifier circuit is supplied to a circuit other than the circuit which needs the arbitrary power source potential. Thus, a semiconductor device including a regulator circuit easily designed with a smaller layout can be provided, and the semiconductor device can easily generate a given stable power source potential.

Abstract: A semiconductor device includes an antenna circuit for receiving a wireless signal, a power supply circuit generating power by the wireless signal received by the antenna circuit, and a clock generation circuit to which power is supplied. The clock generation circuit includes a ring oscillator which self-oscillates and a frequency divider which adjusts frequency of an output signal of the ring oscillator in an appropriate range. A digital circuit portion is driven by a clock having high frequency accuracy, so that a malfunction such as an incorrect operation or no response is prevented.

Abstract: In a case where an ASK method is used for a communication method between a semiconductor device and a reader/writer, the amplitude of a radio signal is changed by data transmitted from the semiconductor device to the reader/writer when data is not transmitted from the reader/writer to the semiconductor device. Therefore, in some cases, the semiconductor device mistakes data transmitted from the semiconductor device itself for data transmitted from the reader/writer to the semiconductor device. The semiconductor device includes an antenna circuit, a transmission circuit, a reception circuit, and an arithmetic processing circuit. The antenna circuit transmits and receives a radio signal. The transmission circuit outputs to the reception circuit a signal showing whether or not the antenna circuit is transmitting the radio signal.

Abstract: A rubber vibration damping device including: a main rubber elastic body that connects together a first mounting member and a second mounting member; and a stopper mechanism that limits in cushionwise fashion relative displacement of the first mounting member and the second mounting member by means of contact of a pair of contact faces thereof. A stopper rubber is formed on each of the pair of contact faces in the stopper mechanism and a multitude of parallel grooves and lands are formed on the respective contact faces, with the grooves and lands on one of the contact faces and the grooves and lands on an other of the contact faces oriented in directions intersecting one another.

Abstract: A resin torque rod including: a first and second bushing disposed at both ends of the resin torque rod, each bushing having a resin outer casing and a rigid inner casing and a rubber elastic body interposed between the outer and inner casings, and a resin connecting component for connecting the first and second bushings, the first and second bushings facing each other at right angles. The rubber elastic body in the second bushing is shaped such that at least outer peripheral portions of axial end faces of the rubber elastic body protrude the same as, or beyond axially outwardly from axial end faces of the resin outer casing of the second bushing, respectively, and that the intermediate portion in an axis-perpendicular direction between the inner casing and outer casing has a substantially solid shape. A method of producing the resin torque rod is also disclosed.

Abstract: A cylindrical fluid-filled elastic mount which has a structure that avoids or mitigates a deterioration of damping effect, when an outer cylindrical member is subjected to a diameter-reducing operation. A cylindrical fluid-filled elastic mount including; a communication groove connecting a pair of pockets in the circumferential direction formed in an elastic body; fluid chambers provided by the corresponding pockets; an orifice member having a trough-form protrusion in which both-side wall portions provided at an end of the orifice groove are formed by an elastic material. The trough-form protrusion is inserted in the communication groove. At least one hollow groove is provided along the communication groove where the trough-form protrusion is inserted, and the hollow groove is formed longer in the circumferential direction than a length of a protrusion part of the trough-form protrusion.

Abstract: It is an object of the present invention to provide a video data control circuit that satisfactorily displays an image on a display panel without increasing accesses to a frame memory or increasing power consumption when conducting vertical-horizontal image display conversion when video data is converted into digital video data for displaying in a predetermined digital gray scale. Another object is to provide a display device comprising the video data control circuit in which data is temporally kept in a line memory in a video data storage portion before the data is converted into digital video data for displaying in a predetermined digital gray scale. For example, a first digital video data is written to the line memory in a first order and read from the line memory in a second order different from the first order and output to a format conversion portion as a second digital video data.

Abstract: A method of production of dielectric powder containing as main ingredients Ti, Cu, and Ni, comprising a step of mixing an oxide of Ti and/or a compound forming an oxide of Ti by firing, an oxide of Cu and/or a compound forming an oxide of Cu by firing, and an oxide of Ni and/or a compound forming an oxide of Ni by firing to obtain a mixed powder, a step of calcining the mixed powder to obtain a calcined powder, a step of dry crushing the calcined powder to obtain dry crushed powder, and a step of wet crushing the dry crushed powder.

Abstract: An object is to realize downsizing and cost reduction of a display device by efficiently using a physical region of a memory in a control circuit of the display device. A structure of a video data storage portion of the control circuit is that provided with a video data storage portion for storing video data of an n-th frame (n is a natural number), a video data storage portion for storing video data of an (n+1)th frame, and a video data storage portion for sharing video data of the n-th frame and the (n+1)th frame among received video data.

Abstract: A display device includes a main video data storage means for storing video data; a display mode storage means for storing a display mode; a display mode writing means by which a display mode of a supplied video signal is judged and the judged information is written to the display mode storage means; a video signal reading means by which the video data is read from the main video data storage means to supply to a display panel; a display mode reading means by which the display mode is read from the display mode storage means; and a video signal writing means by which permission or prohibition of writing of the supplied video signal is judged based on the display mode read from the display mode reading means and the video signal is converted to video data which can express a gray scale and written to the main video data storage means.

Abstract: The invention is made in view of solving problems in reduction in yield and an aperture ratio in accordance with an increase in the number of transistors which form a pixel, increase in power consumption for holding predetermined luminance to provide a light emitting device having a noble pixel configuration. A light emitting device of the invention includes a unit for applying a forward bias voltage to a first light emitting element so that a first pixel emits light and applying a reverse bias voltage to a second light emitting element, and a unit for applying a reverse bias voltage to the first light emitting element so that the first pixel emits no light and applying a forward bias voltage to the second light emitting element.

Abstract: A driving method of a display device for performing time-division gray scale display is disclosed, which is capable of inputting accurate data into a panel by using one memory. M groups each having a pair of a first period and a second period are provided in one frame period. Video signals are written into a memory in the first period of at least one group among the m groups, while video signals are read out from the memory in the respective second periods of the m groups. The start timing of reading out video signals from the memory is synchronized with the start timing of each of the n sub-frame periods.

Abstract: An engine mount including: an inner fitting having a first flange at a first axial end thereof; a cylindrical outer fitting having at a first axial end a second flange extending outwardly in the axis-perpendicular direction and positioned in opposition to but spaced apart from the first flange portion in an axial direction; a side rubber elastic body elastically connecting the first and second flanges; a main rubber elastic body elastically connect the inner fitting and the outer fitting in a direction of axial elongation of the side portion rubber elastic body; and a hollow portion extending from a second axial end toward a first axial end of the main rubber elastic body with a distal and thereof reaching an interior of the side rubber elastic body, thereby bifurcating the main rubber elastic body at an inside circumferential face of the outer fitting. The engine mount is positioned with the axial direction facing a left-right direction of the vehicle.

Abstract: A torque rod comprising: a first and second bushing disposed at both ends of the resin torque rod, each bushing having a resin outer casing and a rigid inner casing and a rubber elastic body interposed between the outer and inner casings, and a connecting component for connecting the first and second bushings, The connecting component has a predetermined breaking location adapted to be broken upon input of a substantial load during collisions, the predetermined breaking location includes a thin-walled portion provided at a location where the thin-walled portion undergoes compression break upon input of the substantial load, and a thick-walled portion provided at a location apart from a central axis of the connecting component in a perpendicular direction to the central axis of the connecting component.

Abstract: A resin torque rod including: a first and second bushing disposed at both ends of the resin torque rod, each bushing having a resin outer casing and a rigid inner casing and a rubber elastic body interposed between the outer and inner casings, and a resin connecting component for connecting the first and second bushings, the first and second bushings facing each other at right angles. The rubber elastic body in the second bushing is shaped such that at least outer peripheral portions of axial and faces of the rubber elastic body protrude the same as, or beyond axially outwardly from axial end faces of the resin outer casing of the second bushing, respectively, and that the intermediate portion in an axis-perpendicular direction between the inner casing and outer cuing has a substantially solid shape. A method of producing the resin torque rod is also disclosed.

Abstract: An object of the present invention is to provide a display device in which a frame frequency does not decrease even in the case of employing a method for driving having little difference between reading time of a memory and writing time of a memory. According to the present invention, a reading device and a writing device are synchronized by determining allotment of two memories every cycle of a writing signal and by determining a start of reading through a start signal for writing and horizontal synchronizing signals.

Abstract: Provided is magnetic ferrite powder in which a peak intensity ratio of Z phase (M3Me2Fe24O41: M=one or more kinds of alkaline-earth metal, Me=one or more kinds from Co, Ni, Mn, Zn, Mg and Cu) of hexagonal ferrite is 30% or higher in X-ray diffraction and a peak value of a grain size distribution is in a range from 0.1 &mgr;m to 3 &mgr;m.

Abstract: Regarding the time gradation method as the digital gradation expression method, it is an object of the invention to provide a display device which prevents a reduction of frame frequency and implements a low-power-consumption SRAM. The invention overcomes the aforementioned disadvantages of conventional technique by synchronizing a writing and reading by utilizing read and write signals of which states read at a certain timing to select which of two memories is efficient to be written.