Abstract: An aircraft includes: a plurality of rotor units each including a propeller and a motor that drives the propeller; a balloon that laterally covers the plurality of rotor units, across the height of the plurality of rotor units in the up-and-down direction; a camera that protrudes, along a predetermined axis, beyond the balloon; and a holding component that holds the camera and whose overall length can be shortened along the predetermined axis.

Abstract: An aircraft includes: a plurality of rotor units each including a propeller and a motor that drives the propeller; a balloon that laterally covers the plurality of rotor units, across a height of the plurality of rotor units in an up-and-down direction; and a drive unit configured to change the external shape of the balloon at a predetermined timing.

Abstract: An aircraft includes; a plurality of rotor units each of which includes a propeller and a motor which drives the propeller, and generates thrust for flight of the aircraft; a controller which controls rotation of the propellers included in the plurality of rotor units; a balloon which laterally covers the plurality of rotor units; and a detector which detects a state of the aircraft, wherein the controller decreases a rotational speed of the propeller included in at least one rotor unit among the plurality of rotor units, according to a result of detection by the detector.

Abstract: An aircraft includes: a plurality of rotor units each including a propeller and a motor that drives the propeller; a plurality of shock absorbers including a first shock absorber and a second shock absorber different from the first shock absorber, the first shock absorber defining a first gas chamber containing a first gas that is less dense than air; and a release unit that is disposed on the first shock absorber and configured to release the first gas contained in the first gas chamber at a predetermined timing.

Abstract: An aircraft includes; a plurality of rotor units each of which includes a propeller and a motor which drives the propeller, and generates thrust for flight of the aircraft; a controller which controls rotation of the propellers included in the plurality of rotor units; a balloon which laterally covers the plurality of rotor units; and a detector which detects a state of the aircraft, wherein the controller decreases a rotational speed of the propeller included in at least one rotor unit among the plurality of rotor units, according to a result of detection by the detector.

Abstract: An aircraft includes: a plurality of rotor units each including a propeller and a motor that drives the propeller; a balloon that laterally covers the plurality of rotor units, across a height of the plurality of rotor units in an up-and-down direction; and a drive unit configured to change the external shape of the balloon at a predetermined timing.

Abstract: An aircraft includes: a plurality of rotor units each including a propeller and a motor that drives the propeller; a plurality of shock absorbers provided to the plurality of rotor units; and a main body to which the plurality of rotor units attach. The plurality of rotor units and the plurality of shock absorbers are attachable to and detachable from the main body.

Abstract: An aircraft includes: a plurality of rotor units each including a propeller and a motor that drives the propeller; a plurality of shock absorbers including a first shock absorber and a second shock absorber different from the first shock absorber, the first shock absorber defining a first gas chamber containing a first gas that is less dense than air; and a release unit that is disposed on the first shock absorber and configured to release the first gas contained in the first gas chamber at a predetermined timing.

Abstract: An aircraft includes: a plurality of rotor units each including a propeller and a motor that drives the propeller; a bag-shaped body including a chamber; and an injector that injects gas into the chamber to inflate the bag-shaped body. The bag-shaped body covers at least one of the plurality of rotor units when inflated.

Abstract: An aircraft includes: a plurality of rotor units each including a propeller and a motor that drives the propeller; a balloon that laterally covers the plurality of rotor units, across the height of the plurality of rotor units in the up-and-down direction; a camera that protrudes, along a predetermined axis, beyond the balloon; and a holding component that holds the camera and whose overall length can be shortened along the predetermined axis.

Abstract: A program information display device includes: an identification unit which obtains identification information for identifying a video program and a video program scene included in the video program which are being displayed in a television; a program information obtainment unit which obtains program information including first program information and second program information which are relevant to the video program identified by the identification information and are different in content from each other; a display unit which displays the program information obtained by the program information obtainment unit; and a control unit which, in the case where the video program scene identified by the identification information transitions from a non-CM scene to a CM scene, switch the program information being displayed in the display unit, from the first program information to the second program information according to the transition from the non-CM scene to the CM scene.

Abstract: A program information display device includes: an identification unit which obtains identification information for identifying a video program and a video program scene included in the video program which are being displayed in a television; a program information obtainment unit which obtains program information including first program information and second program information which are relevant to the video program identified by the identification information and are different in content from each other; a display unit which displays the program information obtained by the program information obtainment unit; and a control unit which, in the case where the video program scene identified by the identification information transitions from a non-CM scene to a CM scene, switch the program information being displayed in the display unit, from the first program information to the second program information according to the transition from the non-CM scene to the CM scene.

Abstract: A communication processing apparatus (101) includes: a MAC unit (106) receiving a packet; a classification unit (107) classifying the received packet; a transfer control unit (104) transferring data of the classified packet to a main memory (102); a first memory (112m) storing an interrupt management table (112); an interrupt control unit (111) specifying, with reference to the interrupt management table (112), an interrupt control method associated with the classification of the packet classified by the classification unit (107) and outputting an interrupt signal to a CPU (103) using the specified interrupt control method; and a setting unit (110) registering the classification and the interrupt control method into the interrupt management table (112) according to instructions from an application program activated in the CPU (103) so as to update the interrupt management table (112).

Abstract: When an instruction receiving unit (620) receives an information display instruction to display information on a video that is not being reproduced (hereinafter referred to as video content not being reproduced) which is a video different from a video that is being reproduced, a control unit (630) causes a display device to display information on video content not being reproduced which is all or part of the video content not being reproduced and can be reproduced by a reproduction unit (610) within a duration of an unreproduced portion of the video that is being reproduced.

Abstract: To provide a display device capable of reliably displaying emergency signal information without disturbing a viewer. In order to solve the problem, a display device (100) which receives, as at least one of a broadcast signal and communication data, a target signal including a video signal and an additional information signal, and displays the target signal information includes: display units (108, 109); detecting units (111, 113) which detect whether an external display device is connected to the display device (100); and a display control unit (112) which, when the detecting units detect that the external display device is connected to the display device (100), causes the display unit to display the information of a first signal that is at least a part of the target signal, and causes the external display device to display the information of a second signal that is the remaining part of the target signal.

Abstract: A communication processing apparatus (101) includes: a MAC unit (106) receiving a packet; a classification unit (107) classifying the received packet; a transfer control unit (104) transferring data of the classified packet to a main memory (102); a first memory (112m) storing an interrupt management table (112); an interrupt control unit (111) specifying, with reference to the interrupt management table (112), an interrupt control method associated with the classification of the packet classified by the classification unit (107) and outputting an interrupt signal to a CPU (103) using the specified interrupt control method; and a setting unit (110) registering the classification and the interrupt control method into the interrupt management table (112) according to instructions from an application program activated in the CPU (103) so as to update the interrupt management table (112).

Abstract: A network interface (101) includes: a packet receiving unit (103); a packet buffer (105); and a transfer unit (106) which transfers packets accumulated in the packet buffer to a main memory (102), and further including: an attack detecting unit (107) which detects an attack in which a large number of packets is transmitted, based on an accumulated amount of packets in the packet buffer (105); a table storing unit (110) for storing an attack packet table (109) in which attack packet identification information is registered; an update unit (108) which updates the attack packet table (109), using information obtained from the packets accumulated in the packet buffer; and a discarding unit (104a) which discards the packets received by the packet receiving unit (103) when the packets correspond to the updated attack packet information, before the packets are transferred to the main memory.

Abstract: To provide a communication apparatus for achieving further improvements in communication quality and power saving effect, without depending on network environments. A portable terminal (211) as a communication apparatus includes: a communication I/F unit (108) performing data transmission/reception with a transmitter apparatus (203) on a communication protocol having flow control such as TCP; a power control unit (106) switching power on and off to the communication I/F unit (108); and a suppression/resumption control unit (104) determining cycle interval Tc and cycle data size Dc according to communication quality required by a communication application program and, per cycle interval Tc, causing data of cycle data size Dc to be transmitted in a burst state, suppressing data transmission from the transmitter apparatus (203), and causing the power control unit (106) to power off the communication I/F unit (108) while the data transmission is suppressed (T2 to T3), using the flow control mechanism.

Abstract: A communication apparatus and authenticating method prevent mistaken authentication at initial authentication in a connection between communication apparatuses. The communication apparatus includes an authentication processing unit which manages each state of the communication apparatus. The states include an authentication initiation permissible state, an authentication initiation impermissible state, an authentication initiation state, an authenticating state, an authentication successful state, an authentication unsuccessful state and an authentication completed state. Additionally, the authentication processing unit performs authentication with another communication apparatus, and stops the authentication when a plurality of authentication messages is received while in the authentication initiation state and the authenticating state.

Abstract: A communication apparatus and a communication method capable of avoiding the transmission rate from being unnecessarily suppressed so as to improve the communication rate between devices, for example, in a home network. A communication apparatus (100) comprises a congestion control determining part (104) that determines, based on IP addresses of the communication apparatus (100) and a communication apparatus (500) on the other end of communication, which are information about the positions of those communication apparatuses on a network, whether a congestion control is necessary in the network when the communication apparatus (100) implements a transmission to the communication apparatus (500) on the other end of communication; and a transmission rate control part (101) that controls the data transmission rate in accordance with the necessity of the congestion control.