Kabushiki Kaisha Toshiba

Anwar Sathath

Toshiyuki Hirota

Masao Teshima

Satoshi Mizoguchi

Hiroshi Shimasaki

Koichi Kaji

Keiji Kanamori

Information equipment according to an embodiment includes a display housing with a display unit, a first radio communication antenna disposed at an end part of the display housing, a second radio communication antenna using a frequency band adjacent to or overlapped with that of the first radio communication antenna, and a third radio communication antenna disposed at an end part between the first and the second radio communication antennas, and uses a frequency band not adjacent to nor overlapped with those of the first and the second radio communication antennas.

Information equipment with a plurality of radio communication antennas

According to an embodiment, an information processing apparatus includes a first storage unit, a second storage unit, a power supply state control unit, a cryptographic key movement unit, a communications unit, an information input determination unit, a communications state determination unit, and a cryptographic key control unit. The cryptographic key movement unit is configured to move at least part of the cryptographic key data stored in the first storage unit to the second storage unit before a shift from a power-on state to another power supply state. In the other power supply state, the cryptographic key control unit returns the cryptographic key data from the second storage unit to the first storage unit if it is determined that there is an input of information which matches the information stored in the second storage unit and it is determined that communications are enabled between the communications unit and a base-station apparatus.

Information processing apparatus and data protection method

According to one embodiment, an information processing apparatus includes an antenna element, a first wireless communication module including a printed circuit board and a wireless communication circuit which is provided on the printed circuit board, and a second wireless communication module. A diplexer is provided on the printed circuit board of the first wireless communication module, and includes a first terminal which is connected to the antenna element via a first antenna connector provided on the printed circuit board and a first cable, a second terminal which is connected to the wireless communication circuit via a wiring pattern on the printed circuit board, and a third terminal which is connected to a second antenna connector provided on the printed circuit board. The second wireless communication module is connected to the second antenna connector via a second cable.

Information processing apparatus having a shared antenna element

According to one embodiment, an information processing apparatus includes a main body, a display unit rotatably attached to the main body via a coupling portion, first and second antennas provided in the display unit, a first mixing/distributing device provided in the display unit, first and second wireless communication modules provided in the main body, and a second mixing/distributing device provided in the main body. The signal transmission/reception between the first mixing/distributing device in the display unit and the second mixing/distributing device in the main body is executed via a cable which is inserted in the coupling portion.

Information processing apparatus

According to one embodiment, an information processing apparatus includes a wireless communication device and a power management module. The power management module is configured to transmit, in response to disconnection of an external power supply device from a power connector of the information processing apparatus, a command instructing turn-off of a power supply circuit within the external power supply device to a wireless communication circuit within the external power supply device via the wireless communication device.

Information processing apparatus and power control method

According to one embodiment, an electronic apparatus comprises a wireless communication device configured to conduct wireless communication with an external apparatus, a switch connected to a radio frequency circuit of the wireless communication device, and configured to couple an RF signal input and output port of the radio frequency circuit to one of a wireless communication antenna and a cable connected to the external apparatus, and a control module configured to control the switch to switch a mode of conducting communication with the external apparatus between a wireless communication mode and a wired communication mode, a wireless signal being transmitted and received between the external apparatus and the wireless communication device through the wireless communication antenna in the wireless communication mode, the wireless signal being transmitted and received between the external apparatus and the wireless communication device through the cable in the wired communication mode.

Electronic apparatus, computer system, and communication control method

According to an embodiment, a laptop personal computer comprises a display housing with a display unit, a main body housing which houses a radio communication module, a connecting unit which rotatably connects between the display housing and the main body housing, a first radio communication antenna as a main antenna which is formed at an end part of the display housing almost orthogonal to the connecting unit, a second radio communication antenna as a sub antenna which is formed at an end part of the display housing in almost parallel with the connecting unit, the second radio communication antenna making a pair with the first radio communication antenna, a first cable which connects the first radio communication antenna to the radio communication module through the connecting unit, and a second cable which connects the second radio communication antenna to the radio communication module through the connecting unit.

Laptop personal computer with a radio communication antenna

An antenna has a multilayer substrate in which are laminated a first conductive plate, a first dielectric layer disposed on the first conductive plate, a conductive strip line which is disposed on the first dielectric layer and which has an input/output terminal for an electric signal and an open terminal, a second dielectric layer disposed so as to sandwich the strip line in cooperation with the first dielectric layer, and a second conductive plate which is disposed on the second dielectric layer and which has a slot. In addition, the antenna has a third conductive plate for covering, of all the side surfaces of the multilayer substrate, a surface opposing the open terminal of the strip line.

Growing community of inventors

Ome, Japan

Anwar Sathath