Kabushiki Kaisha Toshiba

Shuichi Sekine

Hiroki Shoki

Hiroshi Yoshida

Ichiro Seto

Kuniaki Ito

Takehiko Toyoda

Naoko Ono

Makoto Higaki

Kazuhiro Inoue

Takayoshi Ito

Akiko Yamada

Ryoko Matsuo

Yukako Tsutsumi

Akihiro Tsujimura

Yutaka Asanuma

Noriaki Odachi

Hiroshi Watanabe

Motoji Noda

Tamio Ikehashi

Tatsuya Ohguro

Mie Matsuo

Masaki Nishio

There is provided with an antenna device includes; a first antenna element which is either a spiral antenna element or a loop-like antenna element; and a first feed point provided at a first end of the first antenna element, the first end being an outer end of the spiral antenna element or an one end of the loop-like antenna element, wherein a length from an second end of the first antenna element to the first end of the first antenna element along the first antenna element is about one half wavelength of operating frequency, the second end being an inner end of the spiral antenna element or the other end of the loop-like antenna element.

Antenna device, radio tag reader and article management system

A mobile communications terminal includes positional information generator configured to generate positional information indicating a current position of the terminal, receiver which receives identification information sent from the base station of the second mobile communication network, notification information generator configured to generate notification information including the identification information and the positional information generated at the time of receiving the identification information, and transmitter which transmits the notification information to the service area calculation apparatus via the first mobile communication network to derive the information concerning the service area.

Mobile communications terminal, service area calculation apparatus and method of calculating service area

There is provided with an antenna apparatus, including: a finite ground plane; planar elements arranged along and on both sides of a first gap line or a second gap line that is orthogonal to the first gap line; first linear elements connecting the ground plane with the planar elements; an antenna element including a second linear element placed in the first or second gap line and a third linear element placed such that one end of it is connected to one end of the second linear element and an other end of it faces the ground plane; and a feeding point supplying electric power to the other end of the third linear element, wherein a connection point between the second and third linear elements is positioned in an intersection area of the first and second gap lines, and the feeding point is provided in a vicinity of an edge of the ground plane.

Antenna apparatus

There is provided with an antenna apparatus, including:

According to an aspect of the invention, there is provide an antenna apparatus including: a conductive element including one end connected to a ground plane via a terminating resistor and the other end to which a power is supplied; and at least one branch conductive element branching from the conductive element and having a tip end which is short-circuited to the ground plane, and an element length of the branch conductive element being approximately a quarter wavelength of an operation frequency.

Antenna apparatus and article management system

There is provided with an antenna device including: a first wire antenna element having a length about half a wavelength of a radio wave in use; a second wire antenna element which is in a same plane as the first wire antenna element and substantially perpendicular to the first wire antenna element, and which is connected to the first wire antenna element at one end; a third wire antenna element which is in the same plane as the first wire antenna element and substantially in parallel with the first wire antenna element, and which is connected to the second wire antenna element; and a feed point provided on the second wire antenna element.

Antenna device, mobile terminal and RFID tag

There is provided with a high-impedance substrate including: a finite ground plane; a plurality of metal plates arranged at a predetermined height from the finite ground plane and in a matrix pattern such that respective faces thereof are approximately parallel to the finite ground plane; and a plurality of linear conductive elements configured to connect the plurality of metal plates to the finite ground plane and, wherein outer metal plates arranged at an outermost periphery among the plurality of metal plates are connected with the linear conductive elements at edges of the outer metal plates.

High-impedance substrate, antenna device and mobile radio device

An apparatus used in a first mobile communication system with a plurality of wireless base stations, the first mobile communication system operated by a first provider, the apparatus including an acquiring unit, a location detecting unit configured to detect a present location of the apparatus, a storing unit configured to store first service location information with respect to the first provider, and a location information providing unit configured to calculate locally a location of the plurality of wireless base stations using the detected present location of the apparatus stored in the storing unit. The location information providing unit is configured to provide a user with information based on the first service location information and the second service location information.

Apparatus and method for mapping a location of wireless base stations in a mobile communication system

A foldable mobile terminal comprises a pair of housings which are coupled through a hinge to make the terminal foldable, at least one antenna arranged on each of the housings, a switch connected to the antenna, at least one radio unit mounted on one of the housing and connected selectively to the antenna through the switch, and a selector to select a diversity transceiving system according to folding-out or folding-in of the terminal.

Foldable mobile terminal with antennas and a selector selecting a diversity transceiving system based on folding-out or folding-in terminal

A semiconductor device having a surface MEMS element, includes a semiconductor substrate, and an actuator which is arranged above the semiconductor substrate via a space and has a lower electrode, an upper electrode, and a piezoelectric layer sandwiched between the lower electrode and the upper electrode, at least an entire surface of the piezoelectric layer being substantially flat.

Semiconductor device having actuator

First and second monopole conductive elements are disposed so as to be approximately mutually perpendicular and so that respective open ends are adjacent, and with respect to a straight line that passes between open ends of the first and second monopole conductive elements and through a center of a conductive ground plane, a first conductive ground plane portion formed on a first monopole conductive element-side of the straight line among the conductive ground plane and the first monopole conductive element are formed so as to be approximately symmetrical to a second conductive ground plane portion formed on a second monopole conductive element-side of the straight line among the conductive ground plane and the second monopole conductive element.

Circularly polarized antenna device

The present invention is intended to provide a mobile communication terminal permitting a user to obtain location information of wireless base station which provides contents data in certain areas. The terminal accumulates identification information of wireless base stations when wireless services are received. The invention has functions of interrelating the identification information with location information of the terminal when the services are received and of storing both kinds of information. Wireless LAN service areas are displayed together with map information.

A wireless control apparatus which performs a wireless communication with a plurality of wireless terminals, comprising: an evaluation signal receiver configured to receive evaluation signals relating to received signals in the respective wireless terminals, which are transmitted from the plurality of wireless terminals; a supplement signal deciding unit which decides a supplement signal necessary to supplement the received signals in the plurality of wireless terminals; and a supplement signal transmitter configured to transmit the supplement signal decided by the supplement signal deciding unit, to the plurality of wireless terminals.

Network control apparatus, wireless terminal and communication control method

A mobile communication terminal apparatus includes an antenna unit configured to select antenna radiation characteristics, and receives a first signal transmitted from transmitting station according to the selected antenna radiation characteristic, a transmitter which transmits a detection signal to other terminals, the designation signal generated from the first signal, for designating the antenna radiation characteristics, a first receiver which receives another designation signal from the other terminal apparatuses, a controller which controls the antenna unit to obtain the antenna radiation characteristics designated by the another designation signal, a second receiver which receives second signal that is transferred from the other terminal apparatuses and is obtained by the antenna radiation characteristics selected by the other terminal apparatuses, and a processor which processes the second signal and the detection signal in a diversity scheme.

Growing community of inventors

Yokohama, Japan

Shuichi Sekine