Abstract: Each node connected to an ad hoc network receives route information from an adjacent node. Each node obtains quality information indicating quality of a route indicated by the route information with respect to the received route information. Each node determines whether a plurality of route information items whose packet destination nodes are the same are received at a predetermined frequency. When it is determined that a plurality of route information items whose packet destination nodes are the same are received, each node compares quality information items of the plurality of received route information items, and selects a route information item corresponding to a quality information item indicating a highest quality as a comparison result. Each node relays the selected route information item to an adjacent node.

Abstract: A portable storage medium adapter, which is connected to a computer to store data received from the computer in a portable storage medium, includes a holding part that detachably holds the portable storage medium, a detecting part that detects an unloading operation of the portable storage medium by a user, and a disablement executing part that executes a disabling process to disable external access to the data stored in the portable storage medium at a time when the unloading operation is detected in the detecting part.

Abstract: A computer-implemented method that enables an operation relative to a removable storage medium connected with a computer includes, obtaining an erasing flag to be set to the removable storage medium on the basis of a predetermined rule when the removable storage medium being connected, obtaining a connection time when the removable storage medium is connected, and identifying whether a program being activated on the computer is an erasing program for erasing data stored in the removable storage medium. The computer-implemented method enables concealing, upon the erasing flag is being on and the program being activated being other than the erasing program, data to be erased classified on the basis of the connection time included in the data stored in the removable storage medium.

Abstract: A computer-implemented method that enables an operation relative to a removable storage medium connected with a computer includes, obtaining an erasing flag to be set to the removable storage medium on the basis of a predetermined rule when the removable storage medium being connected, obtaining a connection time when the removable storage medium is connected, and identifying whether a program being activated on the computer is an erasing program for erasing data stored in the removable storage medium. The computer-implemented method enables concealing, upon the erasing flag is being on and the program being activated being other than the erasing program, data to be erased classified on the basis of the connection time included in the data stored in the removable storage medium.

Abstract: A portable storage medium adapter, which is connected to a computer to store data received from the computer in a portable storage medium, includes a holding part that detachably holds the portable storage medium, a detecting part that detects an unloading operation of the portable storage medium by a user, and a disablement executing part that executes a disabling process to disable external access to the data stored in the portable storage medium at a time when the unloading operation is detected in the detecting part.

Abstract: A device driver includes an access permitted directory storage unit and an access-permission determining unit. The access-permitted directory storage unit stores as an access-permitted directory an activation directory for a process that is allowed to access an S memory (private memory). The access-permission determining unit checks whether an activation directory for a process that has requested for access to the S memory matches the access-permitted directory. Based on the result, the access-permission determining unit determines whether to accept the access request.

Abstract: Each node connected to an ad hoc network receives route information from an adjacent node. Each node obtains quality information indicating quality of a route indicated by the route information with respect to the received route information. Each node determines whether a plurality of route information items whose packet destination nodes are the same are received at a predetermined frequency. When it is determined that a plurality of route information items whose packet destination nodes are the same are received, each node compares quality information items of the plurality of received route information items, and selects a route information item corresponding to a quality information item indicating a highest quality as a comparison result. Each node relays the selected route information item to an adjacent node.

Abstract: A network system and a communication method are provided to solve an NAT problem to functionalize a P2P application in case that new port information (number is assigned to an NAT device. One communication device sends a pseudo-packet containing an address of another communication device, to a port information transmitting device via an address translation device; the port information transmitting device sends a response to the received pseudo-packet to the communication device; and the address translation device assigns new port information corresponding to the communication device address using the response and sends the address of the communication device and the assigned port information to the communication device.

Abstract: A device driver includes an access permitted directory storage unit and an access-permission determining unit. The access-permitted directory storage unit stores as an access-permitted directory an activation directory for a process that is allowed to access an S memory (private memory). The access-permission determining unit checks whether an activation directory for a process that has requested for access to the S memory matches the access-permitted directory. Based on the result, the access-permission determining unit determines whether to accept the access request.

Abstract: A network system and a communication method are provided to solve an NAT problem to functionalize a P2P application in case that new port information (number) is assigned to an NAT device. One communication device sends a pseudo-packet containing an address of another communication device, to a port information transmitting device via an address translation device; the port information transmitting device sends a response to the received pseudo-packet to the communication device; and the address translation device assigns new port information corresponding to the communication device address using the response and sends the address of the communication device and the assigned port information to the communication device.

Abstract: The present invention provides a data accumulation system wherein data storage process is simplified by using a portable communication device such as a notebook type PC as a data storage device. The data accumulation system of the invention comprises a pen scanner 21 as a data output device, a notebook type PC 22 as a data storage device and a portable terminal 23 as a data checking terminal. The pen scanner 21 reads a character string or the like in a document as an image and sends data of the image to the note PC 22. The note PC 22 generates thumbnail image data of the image data and sends the data to the portable terminal 23. When the thumbnail image is displayed on a display of the portable terminal 23, a user watches it and checks whether or not the data are worth storing. If the user decides to store the data, the user input a storage command from the portable terminal 23 to the note PC.

Abstract: An advertisement distribution system is provided, by which advertisements with contents that a user demands can be distributed while assuring security concerning user information. According to the advertisement distribution system, in a network environment including an Internet connection device that establishes relay and connection between a LAN environment and an Internet environment, the Internet connection device allows to receive and store information concerning a user of a user device connected over the LAN environment; to compare received attribute information of advertisement contents data with the stored user information so as to sort out the advertisement contents data; to receive and store the advertisement contents data that are to be distributed from a distribution device used by an advertisement contents distributor; and to distribute the advertisement contents data in response to a request.

Abstract: The device includes a device body that includes a display means that allows selection from among a plurality of display directions for display of images, information and the like; an operational instruction means capable of accepting input of instructions including selection instructions for selecting display direction of images, information and the like on the display means; and a battery unit that supplies power to the device body. The device body is provided with a plurality of attachment positions, such that at least one of the operational instruction means and the battery unit can be attached in a position that is compatible with the display direction of images, information and the like on the display means.

Abstract: A portable terminal includes a wireless public network communication portion for performing communication via a wireless public network, a short distance wireless communication portion for performing direct wireless communication with a terminal that exists within a short distance area, a communication history memory portion for storing a history of communication performed by using the wireless public network communication portion and a control portion for controlling each portion. The control portion searches other portable terminals that exist within the short distance area by using the short distance wireless communication portion, refers the communication history memory portion of each other with a found portable terminal, and informs a user of approach of the other end by using information means if there is a communication history with the other end exists in the communication history memory portion of each end.

Abstract: A wireless communication device (2), which is connected to a server (4) for providing information via a network (3) and is disposed at an access point for relaying information provision service by the server (4) to a portable terminal (1) having a short distance wireless communication function, includes a network interface (26) for connecting to the network (3), a wireless communication interface (21) for the short distance wireless communication with the portable terminal (1), a connection information exchange portion (25) for exchanging connection information for communication establishment with the portable terminal (1) prior to the short distance wireless communication with the portable terminal (1), and a wireless communication management portion (24) for controlling the exchange process of the connection information by the connection information exchange portion (25) and the communication establishment process with the portable terminal (1).

Abstract: The device includes a device body that includes a display means that allows selection from among a plurality of display directions for display of images, information and the like; an operational instruction means capable of accepting input of instructions including selection instructions for selecting display direction of images, information and the like on the display means; and a battery unit that supplies power to the device body. The device body is provided with a plurality of attachment positions, such that at least one of the operational instruction means and the battery unit can be attached in a position that is compatible with the display direction of images, information and the like on the display means.

Abstract: A portable information processing device comprises a signal processing unit, a memory, a display unit, an input device and a wireless transceiver. The signal processing unit transmits via the wireless transceiver to another information processing device, a piece of identification data selected by a user from a plurality of pieces of identification data, such as a geographical address, a URL and/or an e-mail address, stored in the memory, to activate an application associated with the piece of identification data. A signal processing unit of the information processing device receives the piece of identification data via a wireless transceiver thereof, activates an application associated with the piece of identification data, and passes the piece of identification data to the activated application.

Abstract: An information processing apparatus is connectable to a plurality of devices via a local area network. The information processing device includes means for acquiring data related to at least functions and operating states of the plurality of devices; and means for dynamically determining a configuration of the network in accordance with the acquired data and with a predetermined rule for a network configuration.

Abstract: The present invention provides a data accumulation system wherein data storage process is simplified by using a portable communication device such as a notebook type PC as a data storage device. The data accumulation system of the invention comprises a pen scanner 21 as a data output device, a notebook type PC 22 as a data storage device and a portable terminal 23 as a data checking terminal. The pen scanner 21 reads a character string or the like in a document as an image and sends data of the image to the note PC 22. The note PC 22 generates thumbnail image data of the image data and sends the data to the portable terminal 23. When the thumbnail image is displayed on a display of the portable terminal 23, a user watches it and checks whether or not the data are worth storing. If the user decides to store the data, the user input a storage command from the portable terminal 23 to the note PC.