Abstract: A semiconductor memory device includes a plurality of memory cell transistors arranged in a matrix and each configured to store data, and a test circuit configured to output to outside the semiconductor memory device an output signal indicative of an amount of test current flowing through a selected one of the plurality of memory cell transistors, wherein the test circuit includes a plurality of reference cell transistors employed to successively produce varying amounts of currents, a comparison circuit configured to successively compare the amount of test current with each of the varying amounts of currents, and a code generating circuit configured to generate a code indicative of a result of the successive comparisons performed by the comparison circuit, wherein the code is output as the output signal.

Abstract: A rechargeable battery protection integrated circuit device, includes a short circuit detecting circuit configured to convert a discharge electric current of a rechargeable battery to a voltage value and detect a short circuit state of the rechargeable battery when the converted voltage value is equal to or greater than a designated short circuit detecting voltage; a discharge control terminal configured to output a control signal when the short circuit state is detected by the short circuit detecting circuit, the control signal being configured to stop a discharge of the rechargeable battery; and an overcharge detecting circuit configured to detect an overcharge of the rechargeable battery, wherein the short circuit detecting circuit includes a short circuit detecting voltage change part, the short circuit detecting voltage change part being configured to change the short circuit detecting voltage when the overcharge is detected by the overcharge detecting circuit.

Abstract: A semiconductor package includes a semiconductor device, and a wiring board where the semiconductor device is mounted. The semiconductor device includes a semiconductor substrate, a piercing electrode configured to pierce the semiconductor substrate and electrically connect the wiring board and the semiconductor device, and a ring-shaped concave part provided so as to surround the piercing electrode, the ring-shaped concave part being configured to open to a wiring board side of the semiconductor substrate.

Abstract: A type detecting part detects types of drawing objects included in a printing job. A rate detecting part detects a rate of each type of drawing object. A storing part stores the rate of each type of drawing object as a count value of a statistics counter which counts predetermined units of drawing objects for each type of drawing object. A comparing part compares a previously set printing quality with a recommended printing quality which is derived from count values of statistics counters. A changing part changes the previously set printing quality to the recommended printing quality when the previously set printing quality is different from the recommended printing quality.

Abstract: A printed wiring board is configured to be connected to an organic substrate in a state where a semiconductor chip is mounted thereon. A plurality of first layers are formed of a material having the same coefficient of thermal expansion as the semiconductor chip. A plurality of second layers are formed of a material having the same coefficient of thermal expansion as the organic substrate. The first layers have different thicknesses from each other and the second layers have different thicknesses from each other. The first layers and the second layers form a lamination by being laminated alternately one on another. The thicknesses of the first layers decrease from a side where the semiconductor chip is mounted toward a side where the organic substrate is connected. The thicknesses of the second layers decrease from the side where the organic substrate is connected toward the side where the semiconductor chip is mounted.

Abstract: A key switch unit includes a keycap elongated in a lengthwise direction; a switch mechanism; a supporting plate supporting the switch mechanism; and a key reinforcement mechanism engaging the keycap on its lower side for reinforcement. The key reinforcement mechanism includes a first wire member having a beam part extending over substantially an overall dimension of the keycap in the lengthwise direction; a second wire member having a beam part extending in the lengthwise direction between a region contacting the switch mechanism and a first lengthwise end of the keycap; and a third wire member having a beam part extending in the lengthwise direction between the region and a second lengthwise end of the keycap. The beam parts engage the keycap on its lower side. The first, second, and third wire members have respective end parts turnably supported on the supporting plate.

Abstract: An electromagnetic relay includes a coil, an armature that is electromagnetically attracted by the coil when current flows through the coil, two fixed contacts, a movable spring disposed to be movable to the fixed contacts, a conductive plate that is connected to the movable spring and including two movable contacts. The movable contacts are brought in contact with the fixed contacts respectively via the movable spring by the armature attracted by the coil. When the fixed contacts and the movable contacts are in contact, the fixed contacts are electrically connected to each other via the conductive plate. The movable spring is made of an insulating material.

Abstract: A client apparatus is coupled to a server apparatus via a network in an information processing system. In the server apparatus, installing of a plug-in file in a first storage apparatus is detected, binary image data of the detected plug-in file are written to a first storage area, and the binary image data of the plug-in file is copied to the client apparatus. In the client apparatus, copying of the binary image data of the plug-in file in a second storage area is detected, the binary image data of the plug-in file stored in the second storage area is written in an executable state within a second storage apparatus, and the plug-in file in the second storage apparatus is read as a program.

Abstract: A memory card connector, which is mounted on a printed circuit board, includes a radio-communication module, and a card slot arranged with input/output terminals that are connected to the printed circuit board. In the memory card connector, input/output terminals of the radio-communication module are arranged to join the input/output terminals of the card slot, such that the radio-communication module enables the printed circuit board to access an external device via radio communication in a manner equivalent to a manner when the printed circuit board accesses a memory card attached to the card slot.

Abstract: A positional error detection method forms, on a belt which is transported in a transport direction, positional error detection marks for detecting a positional error between image positions of first and second colors, detects the positional error detection marks on the belt, and computes the positional error based on the detected positional error detection marks. The positional error detection marks include first and second marks which are inclined in mutually opposite directions with respect to the transport direction, and third marks which are perpendicular to the transport direction.

Abstract: An information processing apparatus is connected to a client apparatus and an image forming apparatus, the information processing apparatus including a large capacity memory device; a common interface device; a reception part compatible with the common interface device; and a transmission part compatible with the common interface device, wherein the reception part receives data for an image forming request from the client apparatus via the common interface device and stores the data on the large capacity memory device, and the transmission part transmits the data for the image forming request stored on the large capacity memory device to the image forming apparatus via the common interface device.

Abstract: In a battery pack including a protection circuit, a series circuit of a thermistor and a resistor is disposed in a vicinity of a secondary battery and connected in parallel with the secondary battery. A connection detecting circuit is disposed to detect connection of a charging device to the battery pack. A comparator is disposed to compare a voltage of a junction point of the thermistor and the resistor with a reference voltage corresponding to a predetermined temperature. A gate circuit is disposed to activate an output signal of the comparator only when the connection of the charging device is detected. The protection circuit is arranged so that, when a temperature of the secondary battery exceeds the predetermined temperature, a switch element is turned off in accordance with the output signal of the comparator activated.

Abstract: In an image forming device, when a priority of outputting input data determined by a priority determining unit is higher than a priority of in-process data during image expansion performed by one of PDL interpreter units, a PDL control unit determines whether the one of the PDL interpreter units supports an interruption process, and an output sequence changing unit changes an output sequence stored in an output sequence storing unit such that, when the one of the PDL interpreter units supports the interruption process, another of the PDL interpreter units performs image expansion of the input data earlier than the image expansion of the in-process data, and when the one of the PDL interpreter units does not support the interruption process, another of the PDL interpreter units performs the image expansion of the input data later than the image expansion of the in-process data.

Abstract: An exposure unit which exposes photoconductive drums having rotary axes thereof arranged parallel to each other on a single plane by light beams, includes one or more polygon mirrors each having a plurality of reflection surfaces, where the one or more polygon mirrors rotate about a common rotary axis. Each light beam is deflected by the one or more polygon mirrors and scans the surface of a corresponding photoconductive drum. The common rotary axis is separated from the rotary axes of the photoconductive drums by identical distances along respective normals which are perpendicular to both the common rotary axis and the rotary axes of the photoconductive drums.

Abstract: A thermal printer includes a thermal head, a platen roller configured to press the thermal head, an engaging part configured to engage the platen roller provided at a side part of a main part where the thermal head is provided, and a spring part provided at a part of the side part so as to engage the platen roller with the engaging part. The spring part forms a part of a side surface of the engaging part. The spring part is made of a material the same as a material of the side part.

Abstract: A battery pack including a protection circuit configured to detect over-charge, over-discharge and over-current of a rechargeable battery to turn off a switch element, the switch element provided at a wire provided between the rechargeable battery and a load circuit or a charging device; a series circuit of a thermistor and a resistor, the series circuit provided in parallel to the rechargeable battery, the thermistor thermally connected to the rechargeable battery; and an abnormal temperature detection unit provided in the protection circuit, wherein the abnormal temperature detection unit operates the switch to be in an off state when the temperature of the rechargeable battery is higher than a predetermined temperature, and when a voltage of the wire is higher than a threshold voltage of a forward drop voltage of a body diode in the switch, the abnormal temperature detection unit operates the switch to be in an on state.

Abstract: An image signal input circuit includes an input terminal configured to receive an image signal, a clamp circuit configured to hold a sink chip voltage contained in the image signal to be a constant value, a level shift circuit that includes a first emitter follower having a first transistor and a first current source, and a second emitter follower having a second transistor and a second current source, a base of the second transistor being connected to an emitter of the first transistor, and that is configured to shift a level of the sink chip voltage which is held constant, and an electric current source configured to attract a base current of the first transistor.

Abstract: A substrate pad structure for connecting a lead connecting portion of an electronic device to a substrate is disclosed. The substrate pad structure includes a first pad portion and a second pad portion that are arranged on the substrate at corresponding positions of two end regions of the lead connecting portion, which has a continuous oblong shape. A space portion is provided between the first pad portion and the second pad portion, and the lead connecting portion includes a non-connected region located at a corresponding position of the space portion.

Abstract: A board includes a board body; a first conductor provided at a first surface of the board body; and an electrically conductive connection terminal having a spring property. The connection terminal includes a first end part fixed to the first conductor; a second end part to be connected to a first object of connection to be placed opposite the first surface of the board body; and a projection part provided on the first end part so as to project toward the first conductor.

Abstract: A printer module for a clam-shell type printing apparatus having a lid that opens and closes with respect to a housing, includes a head assembly including a head and mounted on the housing, a platen roller mounted on the lid, and a main assembly including a frame and a motor mounted on the frame to rotate the platen roller. The main assembly is arranged to cover the head assembly and is mounted on the housing.