Abstract: According to the present invention, the setting height position of a first terminal is set to be lower than the setting height position of a second terminal on the terminal formation surface of a printed substrate, so that the protection of an internal circuit and the transmission of a high-speed signal can be both achieved.

Abstract: A film thickness measurement device, which measures the film thickness of an oil film of lubricating oil, formed in a gap between a piston ring and an electrode provided flush with a piston ring sliding surface of a cylinder liner, by detecting the electrostatic capacitance across the gap, employs an electrostatic capacitance detection portion, which charges the electrostatic capacitance by supplying a constant current to the electrode, detects the electrostatic capacitance based on changes in the charging voltage accompanying the charging, and outputs a detection signal indicating the electrostatic capacitance, and a film thickness computation portion, which calculates the film thickness of the oil film based on the electrostatic capacitance indicated by the detection signal input from the electrostatic capacitance detection portion.

Abstract: A card controller receives data from a recording card via a socket. A read clock is transmitted in a main transmission wiring, and the data is transmitted in a data transmission wiring. The read clock is withdrawn from the card controller by an outgoing transmission wiring and retrieved into the card controller by an incoming transmission wiring. A transmission delay amount of the outgoing transmission wiring is equal to that of the main transmission wiring, and a transmission delay amount of the incoming transmission wiring is equal to that of the data transmission wiring. The card controller receives the data in synchronization with the read clock retrieved by the incoming transmission wiring.

Abstract: A semiconductor device is disclosed in which resistance to the influence of external noise on internal power source network is improved. A semiconductor device operating at any predetermined frequency among a plurality thereof, and having power source networks for supplying power from a power source to internal functional units in the semiconductor device comprises switches, a storage unit, and a control unit. The switches are provided in the power source networks, and switch ON/OFF the supply of power from the power source to the functional units. In the storage unit are mapped and stored a plurality of predetermined operating frequencies and switching information designating an ON state or an OFF state for the switches. The control unit reads, from the storage, switching information corresponding to a current operating frequency, and controls the ON/OFF switching of the switches in accordance with the read switching information.

Abstract: Deep groove ball bearings are used as bearings supporting both side portions of a worm. In the first bearing on the side of a motor, the curvature radius of a raceway groove in an inner ring or the curvature radius of a raceway groove in an outer ring are set to a specific numerical range with respect to the diameter of a ball.

Abstract: A main object of the present invention is to reliably perform radio communication in an electronic device containing case without spoiling an aesthetic aspect thereof. In order to achieve the object, an electromagnetic shield body is provided on a wall surface of the case for containing an electronic device capable of the radio communication.

Abstract: An authentication communication system includes an storage medium having an area for storing digital information and an access device for reading/writing digital information from/into the area. The access device authenticates whether the storage medium is authorized according to a challenge-response authentication protocol in which scrambled access information generated by scrambling the access information which shows the area is used. The storage medium authenticates whether the access device is authorized. When the access device and the storage medium have authenticated each other as authorized devices, the access device reads/writes digital information from/into the area in the storage medium according to the access information separated from the scrambled access information by the access device.

Abstract: An object of the present invention is to realize reduction in an area of an output stage driver in an interface circuit that switches between two transmission systems. The interface circuit has two driver circuits and a drive control circuit that can switch between two driving systems that are a voltage driving system and a current driving system. The two driver circuits are connected to a power supply potential via the drive control circuit. Two input signals and inverted logic signals of the input signals are inputted via a selection circuit. According to a control signal inputted into the drive control circuit, the interface circuit switches between the voltage-driving type single-ended transmission system and current driving type differential transmission system.

Abstract: An object of the present invention is to provide a technique to improve the data transmission efficiency which allows correct reception of the data at the same time.

Abstract: An object is to provide a semiconductor memory device which can dynamically change the number of memory cells used as by-pass capacitors. In each memory block, one selector signal line is provided in parallel to one word line. In a pair of the word line and the selector signal line adjacent to each other, states are maintained opposite to each other. Further, in a memory block, one branch of a supply line is provided in parallel to one bit line. In each of the memory cells, a first transistor connects a capacitor to the bit line in accordance with the state of the word line. Furthermore, a second transistor connects the same capacitor to the branch of the supply line in accordance with the state of the selector signal line. In the memory cells aligned in a row direction, gates of the first transistors are connected to the same word line, and gates of the second transistors are connected to the same selector signal line.

Abstract: A flexible printed board that is adapted to high-speed transmission and can mount a plurality of connectors at low cost is provided. The board comprises a flexible printed board body 100 that has a first side 100a and a second side 100b opposed to each other, and an overlap portion 105 formed by bending its one end; a plurality of wiring lines 101 that are arranged on the first side 100a of the body substantially in parallel to each other; first pads 103 that are connected to respective ends of wiring lines, wider than the wiring lines and formed on the first-side surface 105a of the overlap potion; and second pads 104 that are located at respective ends of wiring lines, wider than the wiring lines and formed on the second-side surface 105b of the overlap potion. The wiring lines 101a with the first pads connected thereto and the wiring lines 101b with the second pads 104 connected thereto are alternatively arranged on the first side.

Abstract: A decryption device includes: an internal-key storage section for storing an internal-key; a content-key storage section for storing a content-key; a determination section for determining whether or not a value of the content-key storage section in its initial state and a current value of the content-key storage section are different; and an operation section, the operation section including a first decrypting section which, when an encrypted content-key is input to the operation section, decrypts the encrypted content-key using the internal-key so as to obtain a content-key and stores the content-key in the content-key storage section, and a second decrypting section which, when an encrypted content is input to the operation section and the determination section determines that the value of the content-key storage section in its initial state and the current value of the content-key storage section are different, decrypts the encrypted content using the current value of the content-key storage section as a c

Abstract: The present invention provides a magnetic recording/reproducing apparatus including two chassis, i.e., a main chassis on which a cylinder is disposed and a sub chassis on which a cassette can be mounted. A T3 post arm is pivotally attached to the sub chassis. A groove portion capable of positioning of the T3 post arm is formed in the sub chassis. During a mid-load period until a loaded position is reached, the T3 post arm pivots to a given extent on the sub chassis to pull out the magnetic tape and is positioned by engagement of the positioning portion with the groove portion. With this configuration, it is possible to provide a magnetic recording/reproducing apparatus that makes it difficult for the tape to be damaged while having a lightweight and simple structure.

Abstract: The present invention provides a tamper resistant circuit board, an apparatus and method for aiding the design of the circuit board, a computer readable storage medium having stored therein a program for performing the method, and a mobile terminal containing the circuit board. The tamper resistant circuit board has a multilayer structure, including outermost substrates and an internal layer between the outermost substrates, and a signal line through which a confidential signal flows. The signal line is wired such as the confidential signal does not appear on the outer surfaces of the outermost substrates of the multilayer structure of the circuit board.

Abstract: A first transmission line for transmitting a first signal and a second transmission line for transmitting a second signal, which has the reverse phase of the first signal, are connected in series with a common mode choke coil. A third transmission line and fourth transmission line are each connected in series with the common mode choke coil, and transmit the first and second signals. A semiconductor device is connected in series with the third and fourth transmission lines, so as to transmit and receive the first and second signals. One end of a first terminator is connected in parallel with the first transmission line, and the other end is connected to the common mode choke coil. One end of a second terminator is connected in parallel with the second transmission line, and the other end is connected to the common mode choke coil. The noise eliminating capability of the common mode choke coil is increased by means of this structure.

Abstract: A stacked device is disclosed which is easily manufactured while identifying a plurality of devices that are stacked in the stacked device. The stacked device includes a stack of a plurality of slave devices and a master device having identical terminal arrangements. Here, the master device includes command transmission unit configured to input an identification command to a terminal of an adjacent slave device.

Abstract: A magnetic recording and reproduction apparatus includes a rotatable head cylinder for recording information to, and/or reproducing information from, a magnetic tape; a tape pull-out member for pulling out the magnetic tape; and a guide member for guiding the tape pull-out member. The tape pull-out member is engaged with a groove formed in the guide member. The tape pull-out member is movable between a first position and a second position along the groove. The first position is a position at which information recording to, and information reproduction from, the magnetic tape is possible. The second position is a position at which information recording to, and information reproduction from, the magnetic tape is impossible. The rotatable head cylinder is provided on a cylinder holding member integrally formed with the guide member. A profile of the groove is continuous with no gap.

Abstract: A connection member can be produced without a via-forming step. The connection member includes an insulating substrate which has an upper surface, a lower surface opposed to the upper surface, and a side surface which connects these surfaces; and at least one wiring which extends from the upper surface to the lower surface through the side surface.

Abstract: A liquid crystal display device capable of improving display quality by enabling proper execution of receipt and acceptance of image signals through compensation for variation in duty ratios of clock signals as input to liquid crystal driver circuitry, is provided.

Abstract: A liquid crystal display device capable of improving display quality by enabling proper execution of receipt and acceptance of image signals through compensation for variation in duty ratios of clock signals as input to liquid crystal driver circuitry, is provided.