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: Fine-pitch first and second bonding pads are formed on a chip along its perimeter. The first bonding pads are formed at the peripheral parts on the chip, while the second bonding pads are formed inside the peripheral parts. An ESD protection circuit is connected to the first bonding pad, and an I/O circuit is connected to the second bonding pad. First and second bonding wires connect the first and second bonding pads to the same package pin, respectively. The second bonding wire is configured to be sufficiently longer than the first bonding wire, regardless of the pitch of the first bonding pads.

Abstract: A device and method for encrypting content in an encryption device including a content-key storage section is disclosed.

Abstract: It is an object of the invention to inhibit a drop in the data transmission efficiency due to the transmission of an interrupt signal.

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 copyright protection system comprises an encryption device and a decryption device. Cryptographic communication is performed between the encryption device and the decryption device using a contents key. The encryption device includes a contents storage section for storing contents, a first contents key generation section for generating the contents key based on a second decryption limitation obtained by updating a first decryption limitation, and a first encryption section for encrypting the contents using the contents key and outputting the encrypted contents. The decryption device includes a second contents key generation section for generating the contents key from the second decryption limitation, and a first decryption section for decrypting the encrypted contents using the contents key generated by the second contents key generation section.

Abstract: The memory card incorporates a memory device for storing information, and has a plurality of contact pads arranged parallel in the width direction for input and output of electric signals relating to the information to be recorded in the memory device or the information being read out from the memory device, provided at the forward end in the length direction. At least one contact pad of the contact pad group in the memory card includes first and second contact pads disposed side by side in the width direction of the memory card, and a third contact pad disposed behind the first and second contact pads in the length direction of the memory card.

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 patch antenna device and an antenna device that are miniaturized while avoiding degradation of radiation characteristics, such as gain and efficiency. A first electrode is formed on a front surface of a rectangular parallelepiped-shaped dielectric substrate. A second electrode is formed on a rear surface of the dielectric substrate. The first electrode is connected through a coaxial cable to a power supply unit. The width W of each of the first and second electrodes is smaller than or equal to a quarter of the length L thereof, and the thickness T of the dielectric substrate is larger than or equal to the above width W. Advantageously, the second electrode is set so as to be longer than the first electrode, and both end portions of the second electrode are bent and arranged on both end surfaces of the dielectric substrate.

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: A digital map data processing system is described that improves the appearance of a map without increasing the labor in automatic generation of road polygons required for generation of map data. The digital map data processing system reads network data, which expresses multiple roads by nodes and links, and generates polygon data including road polygons by processing the network data. The road polygon generation process includes generation of rectangular polygons of specified widths about respective links, generation of edge lines around polygons, and elimination of unnecessary edge lines. The digital map data processing system selectively applies a suitable terminal processing technique to specify terminal geometry of each object polygon, based on connection with each connection polygon and geometries and attributes of the object polygon and the connection polygon. This desirably improves the appearance at a connection of adjacent polygons.

Abstract: There is disclosed a radio communication system in which a constitution of a base station and further a control station can be simplified. A radio communication system according to the present invention converts a received signal received by a plurality of antenna elements in a base station to a signal of different frequency band, and then conflates the converted signal in order to generate sub-carrier wave multiplex signal. The signal is converted to an optical signal, and then the optical signal is transmitted to a control station via an optical fiber. Or the control station performs weighting to phase of the transmitted signal transmitted from a plurality of antennas of a base station, and then performs frequency conversion to different frequency band, and then conflates the converted signal in order to generate the sub-carrier wave multiplex signal. The signal is converted to an optical signal, and then an optical signal is transmitted to the base station side via the optical fiber.

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: A surface acoustic wave device includes a piezoelectric substrate that does not restore the pyroelectric effect, and a method for manufacturing the same. A surface acoustic wave element housed in a package includes a piezoelectric substrate having a specific resistance in the range of about 1.0×107 ?·cm to about 1.0×1013 ?·cm. Pads are electrically connected to an external electrode with a solder. The space between the package and a cap of the package is sealed with a sealing material. At least one of the solder and the sealing material has a melting point of about 300° C. or less.

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 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.