Kabushiki Kaisha Toshiba

Toshiba Electronic Devices & Storage Corporation

Toshiba Memory Corporation

Motochika Okano

Hitoshi Imi

Keisuke Sato

Shigeto Endo

Michio Ido

Kazushi Ikeda

Yoshinori Fukuba

Jia Liu

Kazuyuki Matsuda

Toshiki Miyasaka

Toshihiro Tsujimura

A non-transitory computer readable recording medium includes simulation data input into a computing device executing a simulation of a semiconductor device, wherein the simulation data includes part shape information describing shape and terminal information of the semiconductor device, logical model information describing operation and connection information of an element in the semiconductor device, and functional block information describing positional information of a functional block in the semiconductor device, and the computing device causes the part shape information, the logical model information, and the functional block information to correspond to each other to execute the simulation of the semiconductor device.

Recording medium, computing method, and computing device

A recording medium includes simulation data input into a computing device executing a simulation of a semiconductor device, wherein the simulation data includes part shape information describing a shape of a part included in a simulation target circuit, model information describing operation and connection information of the simulation target circuit, and symbol information of the part included in the simulation target circuit, and the computing device causes the part shape information, the model information, and the symbol information to correspond to each other to execute the simulation of the semiconductor device.

A printed circuit board of an embodiment includes a board, a first ground plane provided on a first face of the board and having a first opening, a first wiring provided above the first ground plane, a second ground plane provided on a second face facing the first face of the board and having a second opening, a second wiring provided above the second ground plane, and a third wiring penetrating the board between the first opening and the second opening and connecting the first wiring and the second wiring. The third wiring is provided in the first opening and in the second opening when viewed from a direction perpendicular to the first face of the board.

Printed circuit board

An electronic device includes a main body having an aperture, a slot member disposed in the main body, the slot member having a slot exposed by the aperture and in which a memory card of a predetermined size is inserted and a connection terminal electrically connectable to a connection terminal of the memory card, and a coil disposed on a surface of the main body or within the main body so as to overlap with a surface of the slot member that is disposed to face a main surface of the memory card when the memory card is inserted in the slot.

Electronic device that assists wireless communication by a memory card inserted in a slot thereof

A coupler for proximity wireless communication primarily based on an electric induction field generated therein, includes a substrate, a ground layer formed on a first region of the substrate and surrounding a second region of the substrate on three sides of the second region, a fourth side of the second region being defined by an edge of the substrate, and a coupling element electrically isolated from the ground layer and formed on the second region of the substrate. The coupling element includes a first portion that extends adjacent to and along the edge of the substrate and a second portion that is electrically connected to the first portion, extends inwardly from the edge of the substrate, and includes an inductor.

Coupler for proximity wireless communication

According to one embodiment, an electronic device includes a cover, a flexible board, a coupler, a communication module, and an output device. The cover covers at least a part of the flexible board. The coupler is on the flexible board and has flexibility. The communication module performs close proximity wireless communication by using the coupler. The output device outputs at least a part of data received by the coupler.

Electronic device

According to one embodiment, an electronic device includes a housing, a first antenna, a second antenna, a distributor and a communication module. The first antenna is in a first region of the housing. The second antenna is in a second region of the housing. The distributor is configured to distribute a same signal to the first antenna and the second antenna. The communication module is configured to perform communication by using the first antenna when an antenna of an external device approaches the first region and to perform communication by using the second antenna when the antenna of the external device approaches the second region.

According to one embodiment, an antenna includes first and second coupling elements and first to fourth connecting elements. An electrical length between a middle point of the first coupling element and each of both open ends thereof is a first electrical length which is an odd multiple of &#xbc; of a wavelength &#x3bb; corresponding to a frequency used for close proximity wireless communication. An electrical length between a middle point of the second coupling element and each of both open ends thereof is the first electrical length. An electrical length of each of the first to fourth connecting elements is a second electrical length which is an odd multiple of &#xbc; of the wavelength &#x3bb;.

Antenna and electronic device for close proximity wireless communication

According to one embodiment, the radio communication apparatus has a printed-wiring board, an electronic element, a first electrode, a second electrode, an antenna, and a molded member. The first electrode is conductor-connected to the printed-wiring board. The second electrode has the same size as the first electrode, is disposed parallel to the first electrode, and capacitively coupled to the first electrode. The molded member buries the printed-wiring board, the electronic element, the first electrode, the second electrode, and the antenna.

Radio communication apparatus with built-in antenna

According to one embodiment, a design support apparatus determines one of a first impedance between a power plane and a ground plane in the printed circuit board at an ON time of a high-side transistor in the switching power supply, a second impedance between the power plane and the ground plane at an ON time of a low-side transistor in the switching power supply, and a third impedance in an intermediate range between the first impedance and the second impedance to be an impedance between the power plane and the ground plane, based on ON-time information indicative of a ratio of an ON period of the high-side transistor to a switching cycle of the switching power supply in an operation period of the device. The apparatus evaluates capacitor information included in design information of the printed circuit by comparing the determined impedance and a target impedance.

Support apparatus and design support method

According to one embodiment, a multilayer printed circuit board having a plurality of wiring layers and an electronic component mounted thereon, includes a spiral wire including a path in a substantial spiral shape configured with a printed wire section of a substantial loop shape provided on each of at least two wiring layers of the plurality of wiring layers, and a plug provided on each wiring layer arranged between a top wiring layer which is a wiring layer on a top on which the printed wire section of a substantial loop shape is provided and a bottom wiring layer which is a wiring layer on a bottom on which the printed wire section of a substantial loop shape is provided.

Multilayer printed circuit board

According to one embodiment, a capacitor arrangement support system includes a resonance analysis module configured to perform a resonance analysis based on data of a component producing electromagnetic radiation, a resonance point extraction module configured to extract a resonance point from an analysis result of the resonance analysis module, an electromagnetically radiated energy analysis module configured to analyze the ease of collection of electromagnetically radiated energy with respect to a resonance point extracted by the resonance point extraction module, a determination module configured to determine whether or not an absolute value of a value showing the ease of collection of electromagnetically radiated energy is larger than a preset absolute value, and a capacitor arrangement module configured to arrange a capacitor for suppressing electromagnetic radiation at a resonance point where the determination module determines that data of the component is larger the preset absolute value.

Capacitor arrangement support system, capacitor arrangement method and program

An information processing apparatus includes: an input unit; a storing unit configured to store wiring layout information and layer configuration information of a multilayer printed circuit board; a layout displaying unit configured to display a wiring layout drawing based on the wiring layout information; a clipping position specifying unit configured to specify a clipping position on the displayed wiring layout drawing in response to user's operation of the input unit; and a cross section displaying unit configured to display a cross section indicating a cross-sectional structure of the wiring layout of the multilayer printed circuit board along the specified clipping position on the display based on the wiring layout information and the layer configuration information.

Information processing apparatus and information display method

An information display method includes converting circuit diagram CAD data of a circuit board into a first standard format and converting layout diagram CAD data of the circuit board into a second standard format, displaying a circuit diagram based on the circuit diagram CAD data converted into the first standard format on a screen of a circuit-diagram viewer and displaying a layout diagram based on the layout diagram CAD data converted into the second standard format on a screen of a layout-diagram viewer, highlighting a circuit element selected on the screen of either the circuit-diagram viewer or the layout-diagram viewer using specified color, and giving information for identifying the circuit element selected on the screen to another viewer, and highlighting an element corresponding to the circuit element identified by the given information on the screen of the viewer receiving the information using specified color.

Growing community of inventors

Tokyo, Japan

Motochika Okano