Kabushiki Kaisha Toshiba

Ichiro Tomoda

Atsushi Shimbo

Yoshiaki Takabatake

Toshinari Takahashi

Yuzo Tamada

Takashi Ida

Satoshi Ito

Toru Kambayashi

Hirofumi Muratani

Masafumi Kondo

Toshiya Takahashi

Masao Murota

Yasuhiko Shimomura

Takeshi Saito

Akira Morishita

Hirokazu Tanaka

Takashi Doi

Mitsuo Saito

Eiji Kamagata

Toru Imai

Nobuaki Suzuki

Yoshihiro Ohmori

Keiji Tsunoda

Shuichi Tsujimoto

Noriyasu Kato

Masao Murato

According to one embodiment, a communication device includes: a voltage detector configured to detect a voltage from a first signal line to which the communication device and a master device are connected; and a controller configured to output, in case of detecting a read-out command from a second signal line to which the communication device and the master device are connected, a first signal with a time length corresponding to a value of the voltage to a third signal line to which the communication device and the master device are connected, and output, in case that a first signal is not detected on the third signal line from another communication device different from the master device after output of the first signal ends, a second signal including information corresponding to the read-out command to the second signal line.

Communication device, cable device, and display device

According to one embodiment, a converter is supplied with power from a first or a second electronic apparatus and is configured to convert an electric signal received from the first electronic apparatus into an optical signal. The first and the second transmission lines configured to transmit the electric signal and the optical signal to the second electronic apparatus. The selector is supplied with power from the first or the second electronic apparatus and is configured to select one of transmission of the electric signal via the first transmission line and transmission of the optical signal via the second transmission line, based on an ability to supply the power by the first or the second electronic apparatus.

Cable and electronic apparatus

According to an embodiment, an electronic device is configured to output extended display identification data (EDID) to another electronic device, and to receive image data corresponding to the EDID from the other electronic device. The electronic device includes a memory and a controller. The memory is configured to store therein a plurality of distinct types of EDID. The controller is configured to detect a condition of a power source supplied to the electronic device, and to select an EDID corresponding to the condition.

System and method for outputting extended display identification data to another electronic device to achieve power savings

According to one embodiment, a wireless communication device includes a housing provided with a first face, a radio-frequency coupler installed in the housing so as to face the first face, a close proximity wireless transfer device configured to execute close proximity wireless transfer with the external device existing within a prescribed wirelessly communicable distance from the radio-frequency coupler, a pressure sensitive sensor configured to measure the pressure applied to the first face near the radio-frequency coupler, a reception data processor configured to process data received by the radio-frequency coupler and the close proximity wireless transfer device, and a controller configured to report to the reception data processor that close proximity wireless transfer is available when the close proximity wireless transfer is available and also a measured value of the pressure sensitive sensor is not smaller than a threshold value.

Wireless communication device

A file editing system that provides a high file content secrecy, a file version management and an asynchronous editing is disclosed. For a high file content secrecy, the block data of files managed by a file management server device are enciphered in units of blocks, and a client device obtains the block data of the desired file in enciphered state, deciphers the obtained block data in units of blocks, carries out an editing of the desired file to obtain editing data, enciphers the editing data in units of blocks, and transmits the enciphered editing data to the file management server device. For asynchronous editing, the system includes a unit for generating editing procedure data that indicates a procedure to obtain the editing made in the desired version of the desired file by each client device, a unit for converting the editing procedure data for the desired version of the converted desired file into the editing procedure data for the latest version of the desired file, and a unit for generating record management information indicating a result of the editing made by each client device according to the converted editing procedure data for the latest version of the desired file.

File editing system and shared file editing system with file content secrecy, file version management, and asynchronous editing

A scheme for realizing AV data transfer processing utilizing the transport layer protocol such as RTP protocol, between radio terminals in a radio system for carrying out data transfer after establishing a logical connection between radio terminals prior to data transfer between radio terminals such as Bluetooth is disclosed. In the case of transferring data packets containing an AV stream and exchanging control packets containing control information regarding transfer of the data packets, different logical channels are assigned to the data packets and the control packet so that the data packets and the control packet are transferred by these different logical channels.

Data transfer method and radio terminal for executing transport layer protocol on radio network

A communication node which can reliably transfer a packet with a payload including data having error resistance in radio environments is disclosed. A packet to be transmitted is divided into segments to form a plurality of packet segments. From among a plurality of error correction schemes that have been prepared in advance, the scheme to be employed is selected for each of the packet segments in accordance with predetermined criteria, and the selected error correction scheme is applied to each packet segment. Subsequently, the processed packet segment is transmitted to the network. Packet segments are received from the network. From among a plurality of error correction schemes prepared in advance, the scheme to be employed is selected for each of the received packet segments based on predetermined information contained in each received packet segment, and the selected error correction scheme is applied to the received packet segment. An original packet is formed from the plurality of processed packet segments.

Communication node and packet transfer method

A file editing system that provides a high file content secrecy, a file version management, and an asynchronous editing is disclosed. For a high file content secrecy, the block data of files managed by a file management server device are enciphered in units of blocks, and a client device obtains the block data of the desired file in enciphered state, deciphers the obtained block data in units of blocks, carries out an editing of the desired file to obtain editing data, enciphers the editing data in units of blocks, and transmits the enciphered editing data to the file management server device. For asynchronous editing, the system includes a unit for generating editing procedure data that indicates a procedure to obtain the editing made in the desired version of the desired file by each client device, a unit for converting the editing procedure data for the desired version of the desired file into converted editing procedure data for the latest version of the desired file, and a unit for generating record management information indicating a result of the editing made by each client device according to the converted editing procedure data for the latest version of the desired file.

A navigation communication system in which a plurality of clients access information stored in a server via a network, having a personal information control section provided in the server and controls the personal information of the users of the clients which access the same information and a personal information display section provided in the client and displays the personal information controlled by the personal information control section, a selector for selecting one of the personal information displayed, and a communication application section for communicating with a client corresponding to the selected personal information.

Communication navigation system which easily finds person who is

A file editing system that provides a high file content secrecy, a file version management, and an asynchronous editing is disclosed. For a high file content secrecy, the block data of files managed by a file management server device are enciphered in units of blocks, and a client device obtains the block data of the desired file in enciphered state, deciphers the obtained block data in units of blocks, carries out an editing of the desired file to obtain editing data, enciphers the editing data in units of blocks, and transmits the enciphered editing data to the file management server device. For asynchronous editing, the system includes a unit for generating editing procedure data that indicates a procedure to obtain the editing made in the desired version of the desired file by each client device, a unit for converting the editing procedure data for the desired version of the converted desired file into the editing procedure data for the latest version of the desired file, and a unit for generating record management information indicating a result of the converted editing made by each client device according to the converted editing procedure data for the latest version of the desired file.

File editing system and shared file editing system with file content

The multicast communication scheme which can enable a user to easily comprehend the multicast groups existing on the network, easily carry out an operation to join a desired multicast group, and easily specify a desired communication quality. At each user terminal, a virtual space with a plurality of regions defined therein in correspondence to a plurality of multicast groups is displayed on a screen, while an information indicating a range of each region in the virtual space is stored in correspondence to an address information for a corresponding multicast group. A desired position in the virtual space on the screen is specified by an input device, and joining/leaving to/from multicast groups is controlled by using the address information stored in correspondence to a region in the virtual space which contains the desired position. The display on the screen may include a plurality of zones defined within each region in correspondence to a plurality of different communication qualities, so that a communication quality of a multicast communication to be received can be controlled according to a zone within a region in the virtual space which contains the desired position.

Multicast communication system allows user to join or leave multicast

According to this invention, a computer includes a register use information detecting unit for extracting pieces of information of registers, use of which is started and ended by executing instructions of a program, a register use information storing unit for storing information of a register whose value need be stored to execute an instruction in the program, a register use information referring unit for referring to register use information of the register use information storing unit, an instruction executing unit for executing predetermined processing for a desired register in accordance with a reference result of the register use information referring unit, and a register use information updating means for updating use information of a register stored in the register use information storing unit in accordance with outputs from the register use information detecting unit and the instruction executing unit.

Growing community of inventors

Tokyo, Japan

Ichiro Tomoda