Panasonic Corporation

Panasonic Intellectual Property Corporation of America

Panasonic Intellectual Property Management Co., Ltd.

Sun Patent Trust

Hironori Nakae

Yosuke Ukita

Hiroshi Hayashino

Mitsuaki Oshima

Tsutomu Mukai

Yosuke Matsushita

Masaru Yamaoka

Shohji Ohtsubo

Toshiaki Ohnishi

Kazunori Yamada

Michihiro Matsumoto

Tomoaki Ohira

Yoshitaka Ohta

Kazuhiro Ando

Shigehiro Iida

Mizuho Sakakibara

Kohei Yamaguchi

Ikuo Fuchigami

Naganori Shirakata

Tadanori Tezuka

Takahiro Sato

Yoichi Masuda

Yasuo Hamamoto

Yoichi Ikeda

Naotake Yamamoto

Kazuhiro Ohta

Takashi Matsumoto

Koji Imamura

Shuya Hosokawa

Kunihiko Sakaibara

Shuichi Sato

The communication device can easily serve as an extended user interface such as a remote controller of a target apparatus without causing any complicated operations to a user. The communication device includes the following units. An apparatus information obtainment unit () obtains apparatus information from an apparatus. A position information obtainment unit () obtains position information of the communication device (). An operation information obtainment unit () obtains operation information based on the apparatus information. A storage unit () stores the position information as apparatus position information indicating as a position of the apparatus, in association with the operation information. A direction sensor unit () detects direction of the communication device (). A directional space calculation unit () calculates a directional space of the communication device (). A selection unit (a) specifies the apparatus existing in the directional space based on the apparatus position information and selects the operation information associated with the specified apparatus. An operation information transmission unit () transmits, based on the selected operation information, a control signal to the specified apparatus so as to allow the communication device to operate the apparatus.

Communication device

A mobile device includes a position sensing unit, a remote control information obtainment unit, and a storage unit. Position information obtained by the position sensing unit is stored in the storage unit in association with remote control information. The mobile device further includes a directional space obtainment unit and an apparatus specification unit. The mobile device recognizes a direction pointed by a user using the mobile device, and enables operation of a terminal apparatus existing in the pointing direction.

A relay device according to the present invention includes: a receiving unit which receives a frame; a transmitting unit which transmits a frame; a frame determination unit which stores therein the first frame when the frame determination unit determines that the received frame is the first frame; a proxy ACK generation unit which generates a third frame which is a proxy frame of a second frame which is a frame to be transmitted from the receiving device, as a receipt acknowledgement to the first frame; and a communication control unit which: causes the transmitting unit to transmit the third frame; sets an extended active period in the inactive period subsequent to the active period; and transmits the first frame in the extended active period when the receiving unit does not receive the second frame within a predetermined period after reception of the first frame.

Relay device, receiving device, transmitting device, and relay method

Communication device for performing wireless communication with an external server based on information received via near field communication

A communication device, which can simplify various setting processes, transmits, to a server via a network, external device information received from an external device by using proximity wireless communication. The communication device includes: an antenna for the proximity wireless communication with the external device; a proximity wireless communication unit communicating with the external device via the antenna to receive the external device information from the external device; an external device storage unit storing the external device information received by the proximity wireless communication unit; a registration information generation unit generating registration information to be registered in a database in the server based on (a) the external device information stored in the external device storage unit and (b) communication device information including communication device identification information for identifying the communication device; and a server communication unit transmitting registration information to the server via the network.

Communication device that receives external device information from an external device using near field communication

A control point device that reduces delay in a power-saving wireless network includes a normal data generating unit that generates 1-type data, a preferential data generating unit that generates 2-type data different from the 1-type data, a determining unit that determines an active period length, a beacon generating unit that generates a broadcasting signal including information corresponding to the determined length of the active period, and a transmitting unit that transmits the broadcasting signal to the terminal on a frame basis. The determining unit shortens the length of the active period when the preferential data generating unit generates the 2-type data, and a preferential data period is set in an ex-active period obtained by the shortening of the active period, the preferential data period being a period during which the 2-type data is transmitted. The transmitting unit transmits the 2-type data to the terminal during the preferential data period.

Controller, communication terminal, and wireless communication system

A mobile communication device () includes: an appliance information obtainment unit () that obtains appliance information () by proximity wireless communication () with an appliance () installed in a home (), the appliance information specifying the appliance (); a position information obtainment unit () that obtains position information () of the mobile communication device when the proximity wireless communication () is performed; and a transmission unit () that transmits transmission information () to a server () in the case where the proximity wireless communication () is performed, the transmission information including the appliance information () and the position information ().

Mobile communication device, communication method, integrated circuit, and program

The communication terminal includes a receiving unit and a transmission unit, which serve as a communication unit for signal exchange; and a beacon processing unit as a first detection unit that detects, for each channel, the number of the other communication terminals performing wireless communication by receiving a terminal number notification signal from a control device. Additionally, a data processing unit is provided as a second detection unit that counts, for each channel, the number of the other communication terminals found by receiving acknowledgement signals transmitted from the other communication terminals; and a channel control unit selects a frequency channel having a least difference between the number detected by the beacon processing unit and the number counted by the data processing unit, and causes the receiving unit and the transmission unit to perform the signal exchange via the selected frequency channel.

Communication terminal, control device, communication method, control method, program, and integrated circuit

An energy controller, as a communication device, transmits and receives data by transmitting a signal for establishing transmission and reception of the data to network-connected home appliances. The energy controller includes a power saving control unit that determines a transmission period such that the transmission period during which the signal is transmitted is increased as a power value difference increases, which is a value obtained by subtracting the total power consumption value of a power consumption appliance from available power supply value to the power consumption appliance including the network-connected home appliances; and a wireless communication IF for transmitting the signal containing the information indicating the transmission period to the network-connected home appliances in order to set the network-connected home appliances in an active state with a period according to the transmission period.

Power control device for home appliances

Provided is a communication apparatus which allows multi-rate control causing less waste of communication band as compared to conventional, the communication apparatus according to the present invention includes: the wireless communication unit for performing wireless communication with the terminal apparatus; a transfer rate setting unit for setting a transfer rate; a beacon generation unit for generating a beacon which is a first control signal; and a control unit for causing the wireless communication unit to wirelessly transmit, for every predetermined period, the beacon, and, to cause the wireless communication unit to wirelessly transmit the beacon, the control unit causes the transfer rate setting unit to set a transfer rate different from the transfer rate previously used for the wireless transmission of the beacon, and causes the wireless communication unit to transmit the beacon to the terminal apparatus.

Apparatus, method and implementation for adaptable wireless beacon communication system

A terminal includes a wireless transmission and reception unit that transmits or receives a signal using a frequency channel selected by switching between a plurality of frequency channels, and an interference detection unit that determines, for each of the plurality of frequency channels, whether or not interference occurs when transmitting or receiving the signal using the frequency channel. Further, the terminal includes a frequency channel priority control unit that sets a priority used when the wireless transmission and reception unit transmits or receives the signal, according to a result of the determination by the interference detection unit. The wireless transmission and reception unit transmits or receives the signal according to the priority.

Communication terminal tranmitting or receiving a signal according to a set timing determined by a maximum or minimum value of a backoff time and control apparatus communication method, computer program and integrated circuit performing the same

Provided is a communication method for improving the communication quality of multicast transmission. A grouping table storage section stores a grouping table in which Ack return order positions indicating priority orders of the reception terminals which each return an Ack, and addresses of the reception terminals are set. An Ack return order position notification frame creation section notifies each reception terminal of a corresponding Ack return order position based on the grouping table. An Ack return permission information determination section refers to the grouping table, determines the number of reception terminal that are to be permitted to return an Ack, and creates Ack return permission information in which information about the reception terminals that are to be permitted to return an Ack is set, based on the determined number of reception terminals. A multicast creation section creates a multicast containing the Ack return permission information and transmission data.

Communication method

Growing community of inventors

Osaka, Japan

Hironori Nakae