Patent application number | Description | Published |
20080204927 | MAGNETIC RECORDING/REPRODUCING APPARATUS - 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. | 08-28-2008 |
20080285750 | DECRYPTION DEVICE - 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 content-key so as to obtain a first output data and outputs the first output data to outside of the decryption device. | 11-20-2008 |
20090008131 | Flexible printed-circuit board - 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 | 01-08-2009 |
20090097301 | SEMICONDUCTOR STORAGE APPARATUS AND SEMICONDUCTOR INTEGRATED CIRCUIT INCORPORATING THE SAME - 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. | 04-16-2009 |
20090106460 | REMOVABLE MEMORY DEVICE, PHASE SYNCHRONIZING METHOD, PHASE SYNCHRONIZING PROGRAM, MEDIUM RECORDING THE SAME, AND HOST TERMINAL - 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. A removable memory device that transmits/receives data to and from a host terminal, which includes: a clock reception section | 04-23-2009 |
20090108872 | INTERFACE CIRCUIT THAT CAN SWITCH BETWEEN SINGLE-ENDED TRANSMISSION AND DIFFERENTIAL TRANSMISSION - 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. | 04-30-2009 |
20090146901 | ELECTRONIC DEVICE CONTAINING CASE, ELECTROMAGNETIC SHIELD BODY, AND ELECTRONIC DEVICE CONTAINING STRUCTURE - 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. | 06-11-2009 |
20090233489 | HOST DEVICE - 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. | 09-17-2009 |
20090290274 | REMOVABLE MEMORY CARD - 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. | 11-26-2009 |
20090290582 | SIGNAL TRANSMISSION METHOD, TRANSMISSION/RECEPTION DEVICE, AND COMMUNICATION SYSTEM - It is an object of the invention to inhibit a drop in the data transmission efficiency due to the transmission of an interrupt signal. The invention provides a signal transmission method that is characterized in that a reception side and a transmission side partition data into a plurality of data fragments and send and receive the plurality of data fragments over at least two transmission lines, in that the transmission side transmits first data fragments of the plurality of data fragments over a first transmission line of the transmission lines, transmits data packets that include header information, a second data fragment that has the same bit length as the first data fragments, and footer information over a second transmission line other than the first transmission line, and transmits the first data fragments and the second data fragments in synchronization, and in that an interrupt signal for controlling the transmission side is transmitted from the reception side to the transmission side in a time slot that is an interval between first data fragments that are adjacent on the first transmission line. | 11-26-2009 |
20100163282 | PRINTED WIRING BOARD, METHOD FOR MANUFACTURING PRINTED WIRING BOARD, AND ELECTRIC DEVICE - Provided are a printed wiring board and a flexible printed wiring board which hardly generate radiation electromagnetic noises and are not easily affected by external noises. First and second wave-shape wirings are provided between at least two insulation substrates stacked on each other. The first and the second wave-shape wirings three-dimensionally intersect with each other in a plane direction and a thickness direction of the insulating substrates. The first and second wave-shape wirings are electrically separated from each other by a resist layer provided between the insulating substrates. | 07-01-2010 |
20100289534 | INTERFACE CIRCUIT THAT CAN SWITCH BETWEEN SINGLE-ENDED TRANSMISSION AND DIFFERENTIAL TRANSMISSION - 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. | 11-18-2010 |
20110180317 | ELECTRONIC COMPONENT PACKAGE, METHOD FOR PRODUCING THE SAME AND INTERPOSER - A package comprising an electronic component, a circuit substrate onto which the electronic component is mounted, and an interposer located between the electronic component and the circuit substrate, allowing them to be electrically connected with each other, wherein the interposer is composed of at least two sub-interposers, and the at least two sub-interposers lie in the same plane to be disposed only on electrode terminal-forming areas of both of the electronic component and the circuit substrate. | 07-28-2011 |
20110280322 | DATA TRANSMISSION SYSTEM CAPABLE OF TRANSMITTING INTERRUPT SIGNAL WITHOUT INTERRUPT GATE PERIOD - A data transmission system comprises: a pair of transmission lines connecting a plurality of apparatuses; a bridge termination resistor connected between the transmission lines and having a resistance value matching a differential impedance of the transmission lines; a first switch connecting the bridge termination resistor to the transmission lines when being turned on, and disconnecting the bridge termination resistor from the transmission lines when being turned off; pull-up/down resistors connected between the transmission lines and a fixed voltage node, and having resistance values respectively matching characteristic impedances of the transmission lines, the fixed voltage node being a power supply or a ground; and second switches connecting the pull-up/down resistors between the transmission lines and the fixed voltage node when being turned on, and disconnecting the pull-up/down resistors from the transmission lines when being turned off. | 11-17-2011 |
20120021640 | COMMUNICATION CABLE - A serial-parallel conversion circuit provided on one end of a cable body converts a first serial signal into parallel signals and outputs the parallel signals to parallel signal lines. A parallel-serial conversion circuit provided on another end of the cable body converts the parallel signals inputted from the parallel signal lines into a second serial signal and outputs the second serial signal to outside. | 01-26-2012 |
20120112737 | IC CURRENT MEASURING APPARATUS AND IC CURRENT MEASURING ADAPTER - Provided is an IC current measuring apparatus provided between an IC and a substrate. The IC current measuring apparatus electrically connects each of a plurality of IC-facing terminals and a different one of a plurality of substrate-facing terminals. Especially, resistances are each inserted into a path between an IC terminal targeted for measurement and a substrate terminal corresponding thereto. Furthermore, the IC current measuring apparatus is provided with terminals each used to measure a voltage between both ends of an inserted resistance corresponding thereto. Accordingly, a measurer who measures current flowing through an IC-facing terminal can measure the current flowing through the IC-facing terminal by providing the IC current measuring apparatus between the IC targeted for measurement and the substrate and measuring a voltage between both ends of an inserted resistance corresponding to the IC terminal through which current he/she wishes to measure flows. | 05-10-2012 |
20120112784 | DIFFERENTIAL SIGNAL TRANSMISSION LINE, IC PACKAGE, AND METHOD FOR TESTING SAID DIFFERENTIAL SIGNAL TRANSMISSION LINE AND IC PACKAGE - An IC package includes an integrated circuit for transmitting and receiving a pair of differential signals composed of a signal having positive polarity and a signal having negative polarity, a first signal terminal for transmitting the signal having positive polarity, a second signal terminal for transmitting the signal having negative polarity, and a third terminal arranged between the first signal terminal and the second signal terminal. The first and second terminals are electrically connected to the integrated circuit, and the third terminal is not electrically connected to the integrated circuit. | 05-10-2012 |
20120328304 | OPTICAL TRANSMISSION SYSTEM - An optical transmission system for optically transmitting information between apparatuses via an optical transmission path. The system includes: a sending unit that emits, to the optical transmission path, excitation light for detecting an inter-apparatus connection via the path; a responding unit that receives the excitation light from the path and emits detection light to the path using light energy of the excitation light; a response receiving unit that receives the detection light from the path and outputs a detection light current; a detecting unit that detects presence/absence of the inter-apparatus connection based on the detection light current; a light signal transmitting unit that emits, to the path, a light signal for optically transmitting the information based on the detection result by the detecting unit; and a light signal receiving unit that receives the light signal from the path. | 12-27-2012 |
20130183045 | COMMUNICATION CABLE APPARATUS INCLUDING SWITCH TURNED OFF IN REVERSE CONNECTION STATE OF COMMUNICATION CABLE APPARATUS - A switch is inserted and connected between a first portion and a second portion of an HPD line. The switch connects the first portion to the second portion when an HPD signal is outputted to the second portion. The switch cuts off the connection between the first portion and the second portion when the HPD signal is not outputted to the second portion. An AND gate generates a connection state detection signal that represents the connection state of an HDMI optical active cable, and outputs the connection state detection signal to a switch. | 07-18-2013 |
20130242513 | ELECTRONIC DEVICE - An electronic device includes a conductor plate, a circuit board placed with a distance to a surface of the conductor plate, a connector provided on the circuit board, a flexible cable having one end connected to the connector and laid down along the surface of the conductor plate, and a cable holding member which includes a sloped holding surface for holding at least part of a portion of the flexible cable ranging from the connector to the surface of the conductor plate and which is electrically connected to the conductor plate. | 09-19-2013 |