Abstract: Provided is a tire vulcanizing bladder comprising fluororubber, wherein a plurality of grooves extending in a width direction are formed on a circumference of an outer surface of the tire vulcanizing bladder, and a plurality of recesses connecting the grooves to each other are formed between the grooves. Also provided is a pneumatic tire comprising one or more fluorine-containing particles having a maximum diameter of 1.0 ?m or more per area of 100 ?m2 of a tire inner surface, wherein a plurality of bladder ridges extending in a tire width direction are formed on a circumference of the tire inner surface, and a plurality of protrusions connecting the bladder ridges to each other are formed between the bladder ridges.

Abstract: The present invention relates to a highly contracted artificial fibroin fiber including a modified fibroin, in which a contraction percentage defined by the following equation exceeds 7%.

Abstract: A terminal device includes: transmission circuitry that transmits a connection request to a first access point in order to connect, by a wireless link, to one of the first access point or a second access point each having a superframe in an initial state in which a control channel period is longer than a data channel period; and reception circuitry that receives, as a connection response, information indicating the second access point as information on a connection destination access point from the first access point after the connection request is transmitted.

Abstract: A position estimation apparatus includes a selection circuit and an estimation circuit. The selection circuit selects at least one radio electronic device as an anchor used for estimating a position of a mobile terminal, based on first information and second information, the first information being related to an arrangement in a first region in which at least one of radio electronic devices including the at least one radio electronic device is arranged, the second information being related to a second region within which the mobile terminal is movable in the first region. The estimation circuit estimates a position of the mobile terminal based on third information related to radio communication quality between the anchor and the mobile terminal and on information related to the anchor in the first information.

Abstract: A selection circuit selects, as anchors, at least two of a plurality of radio electronic devices and updates the selected anchors based on first information and second information, the anchors being used for position estimation for a mobile terminal, the first information being related to an arrangement of the radio electronic devices, the second information being related to a first position resulting from estimation of a position of the mobile terminal, using the selected anchors. A estimation circuit estimates the first position of the mobile terminal based on third information related to radio communication quality between the selected anchors and the mobile terminal and on the first information related to the selected anchors, and estimates a second position of the mobile terminal based on fourth information related to radio communication quality between the updated anchors and the mobile terminal and on the first information related to the updated anchors.

Abstract: This position estimation system comprises a first wireless node for forming a wireless area; second wireless nodes which move within the wireless area; a plurality of third wireless nodes which are provided within the wireless area; and a position estimation device which estimates the position of the second wireless nodes on the basis of information indicating wireless reception quality at the third wireless nodes and the second wireless nodes. The position estimation device determines, for each of section areas, and on the basis of information pertaining to time resource capacity for wireless communication directed towards second wireless nodes, section areas which collect, in place of the first wireless node, information containing wireless reception quality at the second wireless nodes, and transmits, to one of third wireless nodes provided in the determined section area, and instruction to collect wireless reception quality at second wireless nodes within said section area.

Abstract: A position estimation device includes: a selector configured to select N wireless terminals and reselect N wireless terminals from M wireless terminals; a distance calculator configured to calculate distances among wireless terminals in a group consisting of a parent wireless terminal and the N wireless terminals based on information on power of radio signals of packets transmitted and received; a relative position calculator configured to calculate relative positions of the M wireless terminals based on the distances among the wireless terminals in the group for the N wireless terminals selected and reselected; and an absolute position converter configured to convert a relative position of a child wireless terminal into an absolute positon of the child wireless terminal based on the relative positions of the M wireless terminals and absolute positions of at least three of the M wireless terminals where the absolute positions are known.

Abstract: A shovel includes a lower traveling body, an upper turning body turnably mounted on the lower traveling body, a boom attached to the upper turning body, an arm attached to the boom, an end attachment attached to the arm, a sensor configured to output detection information about an orientation of a work part of the end attachment, and a processor configured to control operation of the work part to cause the work part to perform compaction of ground by pressing the work part against the ground, wherein the processor is configured to control an operation of the arm and the end attachment according to a lowering operation of the boom to cause an end portion of the work part to perform the compaction of the ground on the basis of the detection information of the sensor.

Abstract: A shovel (100) according to embodiments of the present invention includes a lower travelling body (1), an upper pivot body (3) pivotably mounted to the lower travelling body (1), an excavation attachment (AT) rotatably mounted to the upper pivot body, and a controller (30) provided to the upper pivot body (3). The controller (30) is configured to autonomously perform a compound operation including an operation of the excavation attachment (AT) and a pivot operation. The controller (30) may be configured to, in response to an automatic switch (NS2) provided in a cabin (10) mounted to the upper pivot body (3) being operated, autonomously perform the compound operation.

Abstract: A terminal device includes: transmission circuitry that transmits a connection request to a first access point in order to connect, by a wireless link, to one of the first access point or a second access point each having a superframe in an initial state in which a control channel period is longer than a data channel period; and reception circuitry that receives, as a connection response, information indicating the second access point as information on a connection destination access point from the first access point after the connection request is transmitted.

Abstract: A position estimation device includes: a selector configured to select N wireless terminals and reselect N wireless terminals from M wireless terminals; a distance calculator configured to calculate distances among wireless terminals in a group consisting of a parent wireless terminal and the N wireless terminals based on information on power of radio signals of packets transmitted and received; a relative position calculator configured to calculate relative positions of the M wireless terminals based on the distances among the wireless terminals in the group for the N wireless terminals selected and reselected; and an absolute position converter configured to convert a relative position of a child wireless terminal into an absolute positon of the child wireless terminal based on the relative positions of the M wireless terminals and absolute positions of at least three of the M wireless terminals where the absolute positions are known.

Abstract: A control device includes a communication unit, a storage, and a position estimator. The position estimator updates a position of the first wireless communication device by using a difference between first reception quality and third reception quality and a difference between second reception quality and fourth reception quality. A first response signal includes at least the first reception quality calculated when a first control signal is received by the first wireless communication device and the second reception quality of a second response signal calculated when the second response signal is received by the first wireless communication device, and a third response signal includes at least the third reception quality of a third control signal and the fourth reception quality of a fourth response signal calculated when the fourth response signal is received by the first wireless communication device.

Abstract: A base-station control apparatus includes: a number-of-training-packets determining circuit that determines the number of training packets to be transmitted by a wireless terminal, based on the number of first directional beam patterns used by a first base-station apparatus connected to the wireless terminal and the number of second directional beam patterns used by at least one second base-station apparatus not connected to the wireless terminal; and a notification issuing circuit that issues a notification indicating the determined number of training packets to the first base-station apparatus.

Abstract: A control device includes a communication unit, a storage, and a position estimator. The position estimator updates a position of the first wireless communication device by using a difference between first reception quality and third reception quality and a difference between second reception quality and fourth reception quality. A first response signal includes at least the first reception quality calculated when a first control signal is received by the first wireless communication device and the second reception quality of a second response signal calculated when the second response signal is received by the first wireless communication device, and a third response signal includes at least the third reception quality of a third control signal and the fourth reception quality of a fourth response signal calculated when the fourth response signal is received by the first wireless communication device.

Abstract: A communication control device includes a performance position determination unit that determines, from among first to Nth zones (N is an integer greater than or equal to 2) each used to display information by using differences in light emission states of light emitting units included in a plurality of slave devices, the first zone and the second zone in which the information is to be displayed, on the basis of the information and positions of the slave devices and further includes a performance control unit that transmits, to each of the slave devices, a first control command that controls the light emission state of the light emitting unit in order to display the information at a plurality of positions between the first zone and the second zone.

Abstract: A presentation apparatus includes a controller that includes a first output terminal for outputting a control signal and first to nth light emitters that each include a first input terminal to which the control signal is input and that is each attachable to the controller in a stacking manner and detachable from the controller. The control signal is transferred to the first to nth light emitters in a stacking order via an electrical serial connection.

Abstract: A location estimation system for estimating a location of a wireless communication terminal, the location estimation system including first to M-th wireless communication devices and a control device, wherein i-th wireless communication device includes communication circuitry, which in operation, receives a signal transmitted from the wireless communication terminal using beams in Ni directions, and control circuitry, which in operation, calculates Ni reception qualities corresponding to the beams in the Ni directions, respectively, and wherein the control device includes control circuitry, which in operation, estimates i-th arrival direction of the signal received by the i-th wireless communication device by comparing the Ni reception qualities with the radiation angle characteristics of the beams in the Ni directions, and estimates the location of the wireless communication terminal based on the first to the M-th arrival directions estimated and locations of the first to the M-th wireless communication devi

Abstract: In a frequency band switching by Fast Session Transfer (FST), a timeout value (link loss timeout: LLT) is determined based on a change in a communication state, a switching setup sequence including a step of transmitting the determined timeout value to a peer wireless station is performed, and frequency switching to the second frequency band is performed when time of the timeout value elapses from when the switching setup sequence is completed. For example, a large timeout value (LLT=T1) is set at time of connection establishment, and the LLT is changed (LLT=T2 to T4) based on, for example, a state of transmission data or a change in a channel state.

Abstract: A transmission apparatus includes a first transmission section for transmitting communication data using a first communication path in which band control is performed using a dedicated band and an undedicated band; a second transmission section for transmitting communication data using a second communication path in which priority control is performed depending on the priority of communication data; a switching control section for performing switching between the transmission using the first transmission section and the transmission using the second transmission section; and a parameter setting section for setting communication parameters for performing communication using the second communication path in the case that switching is performed from the transmission using the first transmission section to the transmission using the second transmission section.

Abstract: An industrial vehicle includes a hydraulically-operated brake device, a hydraulically-operated loading device, an electric motor, a hydraulic pump, a first hydraulic circuit having an accumulator and a detector for detecting pressure accumulated in the accumulator, a first oil passage connecting the first hydraulic circuit and the hydraulic pump, a load handling device, a second hydraulic circuit having a closed center control valve, a second oil passage connecting the second hydraulic circuit and the hydraulic pump, an oil tank, a pressure compensating circuit, a pilot passage, and a controller. When a selector valve is placed in a first position, hydraulic pressure generated by the hydraulic pump is transmitted to a pressure compensating valve in such a direction that disconnects the hydraulic pump from the oil tank to thereby create in the first oil passage hydraulic pressure that causes the accumulator pressure accumulation.