Abstract: A robot control device that controls operation of a robot including a robot arm, a driving section configured to drive the robot arm, and a driving control section configured to receive electric power supplied to the driving section and output power to the driving section based on an input control signal, the robot control device including a logical operation circuit configured to perform a logical operation about a stop signal and output an operation result and a power interruption circuit configured to interrupt, based on the operation result, the electric power supplied to the driving control section or the control signal input to the driving control section to thereby interrupt the power of the driving section.

Abstract: A communication system includes a communication apparatus and a communication terminal configured to wirelessly communicate with each other, wherein the communication terminal includes a first wireless communication interface configured to support a Bluetooth® standard and include a single antenna, and wherein the communication apparatus includes a second wireless communication interface configured to support the Bluetooth® standard and include a plurality of antennas, and includes one or more controllers configured to function as a unit configured to obtain angle information and field intensity information based on a result of reception of radio waves, by the plurality of antennas, transmitted from the single antenna; and a unit configured to transmit an establishment request for wireless communication based on the Bluetooth® standard to the first wireless communication interface via the second wireless communication interface based on a fact that the angle information and the field intensity information sat

Abstract: Provided is a communication system that includes: a first imaging device; a communication unit configured to execute a first communication with a mobile communication terminal and a second communication with a communication device other than the mobile communication terminal to execute relay communication relaying the communication between the mobile communication terminal and the communication device; a communication control unit configured to receive, from the mobile communication terminal via the first communication, data of a second captured image that is captured by a second imaging device provided in the mobile communication terminal having the first communication established for the relay communication; and an image processing unit configured to execute prescribed image processing based on the data of a first captured image that is captured by the first imaging device and the data of the second captured image.

Abstract: An acoustic wave device includes a composite substrate and an excitation electrode located on an upper surface of the composite substrate. The composite substrate includes a support substrate, a multilayer film, and a piezoelectric film overlapping the upper surface of the multilayer film. The multilayer film includes a plurality of acoustic films stacked on an upper surface of the support substrate. Adjacent ones of the acoustic films in a direction in which the acoustic films are stacked are made of different materials. The excitation electrode is located on an upper surface of the piezoelectric film. A side surface of the composite substrate includes a step portion. The step portion has a step-like shape with two or more steps ascending from the support substrate side to the piezoelectric film side in a direction from an outside to an inside with respect to the side surface.

Abstract: An acoustic wave element includes an IDT electrode including electrode fingers, a first substrate on an upper surface of which the IDT electrode is located, which has a thickness of less than 2 times a repetition interval of the electrode fingers and is configured by a piezoelectric crystal, a second substrate bonded to a lower surface of the first substrate, and configured by an Si single crystal having a plane orientation of a (100) plane or (110) plane or a plane equal to them, in which substrate a crystal axis of the Si single crystal parallel to a substrate surface of Si single crystal is inclined at any angle of 25° to 65°, 115° to 155°, 205° to 245°, and 295° to 345° relative to a direction of propagation of an acoustic wave when viewed from the upper surface of the superposed first substrate.

Abstract: A communication system includes: a determination section that determines occurrence of an event; and a communication control section that relays between a first communication network communicating with an external communication apparatus and a second communication network communicating with a mobile communication terminal. The communication control section sets a control target of a communication volume of at least one of a first communication and a second communication among communications via the first communication network, based on a result of determination of occurrence of the event. The first communication is performed through other processing than relaying processing, and the second communication is performed through the relaying processing.

Abstract: Provided is a communication system that includes: a first imaging device; a communication unit configured to execute a first communication with a mobile communication terminal and a second communication with a communication device other than the mobile communication terminal to execute relay communication relaying the communication between the mobile communication terminal and the communication device; a communication control unit configured to receive, from the mobile communication terminal via the first communication, data of a second captured image that is captured by a second imaging device provided in the mobile communication terminal having the first communication established for the relay communication; and an image processing unit configured to execute prescribed image processing based on the data of a first captured image that is captured by the first imaging device and the data of the second captured image.

Abstract: A communication system includes: an information transmission section that performs information transmission via a communication network; a communication relaying section that relays a communication between a mobile communication terminal and the communication network; and a fee determination section that determines a communication fee for communication via a communication network or a monetary amount of reward for the information transmission, based on a first communication volume related to the information transmission, or on a ratio of the first communication volume to a second communication volume related to the communication relaying.

Abstract: Provided is a communication system that includes: a first imaging device; a communication unit configured to execute a first communication with a mobile communication terminal and a second communication with a communication device other than the mobile communication terminal to execute relay communication relaying the communication between the mobile communication terminal and the communication device; and a communication control unit configured to transmit, via the first communication, data of a first captured image that is captured by the first imaging device to the mobile communication terminal having the first communication established for the relay communication.

Abstract: A SAW device includes a mounting substrate including a mounting surface, a SAW chip mounted on the mounting surface, a dummy chip mounted on the mounting surface, and a resin part covering the acoustic wave chip and the dummy chip. The dummy chip includes an insulating dummy substrate, and one or more dummy terminals which are located on a surface of the dummy substrate on the mounting surface side and are bonded to the mounting surface. The dummy chip configures an open end when electrically viewed from the mounting substrate side.

Abstract: An acoustic wave device includes a substrate, a multilayer film on the substrate, an LT layer configured by a single crystal of LiTaO3 on the multilayer film, and an IDT electrode on the LT layer. The thickness of the LT layer is 0.3? or less where ? is two times a pitch p of electrode fingers in the IDT electrode. Euler angles of the LT layer are (0°±20°, ?5° to 65°, 0°±10°), (?120°±20°, ?5° to 65°, 0°±10°), or (120°±20°, ?5° to 65°, 0°±10°). The multilayer film configured by alternately stacking at least one first layer and at least one second layer. The first layer is comprised of SiO2. The second layer is comprised of any one of Ta2O5, HfO2, ZrO2, TiO2, and MgO.

Abstract: A relay failure detection circuit includes a first voltage acquiring section configured to acquire an AC voltage input to a power supply circuit and output the AC voltage as a first voltage signal, a second voltage acquiring section configured to acquire an inter-terminal voltage of a relay provided in the power supply circuit and output the inter-terminal voltage as a second voltage signal, a comparing section configured to compare a waveform of the first voltage signal and a waveform of the second voltage signal, and a determining section configured to determine a failure of the relay according to a result of the comparison.

Abstract: An acoustic wave filter includes a first chip and a second chip electrically connected to the first chip. Each of the chips includes a support substrate, a plurality of acoustic films, a piezoelectric film, and an excitation electrode sequentially stacked on one another. The plurality of acoustic films are sequentially stacked on the support substrate and materials for acoustic films stacked on each other are different from each other.

Abstract: An acoustic wave device includes a substrate, a multilayer film on the substrate, an LT layer which is located on the multilayer film and is configured by a single crystal of LiTaO3, and an IDT electrode on the LT layer. In the multilayer film, a differential value obtained by subtracting a total value of values each obtained by multiplying a density and thickness of a film having a slower acoustic velocity than a transverse wave acoustic velocity of the LT layer from a total value of values each obtained by multiplying a density and thickness of a film having a faster acoustic velocity than the transverse wave acoustic velocity of the LT layer is negative, and a thickness of the LT layer is less than p and a thickness of the multilayer film is less than p where a pitch of electrode fingers in the IDT electrode is “p”.

Abstract: An acoustic wave device includes a substrate, a multilayer film disposed on the substrate, a piezoelectric film disposed on the multilayer film, and a first excitation electrode and a second excitation electrode disposed on the piezoelectric film. The first excitation electrode has a plurality of first electrode fingers arranged with a first pitch p1 in a propagation direction of an acoustic wave. The second excitation electrode has a plurality of second electrode fingers arranged with a second pitch p2 in the propagation direction. The piezoelectric film is formed of a single crystal of LiTaO3 or a single crystal of LiNbO3. When t0 represents a thickness of the piezoelectric film, 1.15×p1?p2, t0?0.48×p1, and t0?0.27×p2 are satisfied.

Abstract: An acoustic wave device includes a substrate 3, a multilayer film 5 on the substrate 3, an LT layer 7 which is located on the multilayer film and is configured by a single crystal of LiTaO3, and an IDT electrode 19 on the LT layer 7. In the multilayer film 7, a differential value D obtained by subtracting a total value of values each obtained by multiplying a density and thickness of a film having a slower acoustic velocity than a transverse wave acoustic velocity of the LT layer 7 from a total value of values each obtained by multiplying a density and thickness of a film having a faster acoustic velocity than the transverse wave acoustic velocity of the LT layer 7 is negative, and a thickness of the LT layer 7 is less than 2p where a pitch of electrode fingers in the IDT electrode 19 is “p”.

Abstract: A robot control device that controls operation of a robot including a robot arm, a driving section configured to drive the robot arm, and a driving control section configured to receive electric power supplied to the driving section and output power to the driving section based on an input control signal, the robot control device including a logical operation circuit configured to perform a logical operation about a stop signal and output an operation result and a power interruption circuit configured to interrupt, based on the operation result, the electric power supplied to the driving control section or the control signal input to the driving control section to thereby interrupt the power of the driving section.

Abstract: An elastic wave device includes a substrate, a multilayer film located on the substrate, a piezoelectric layer located on the multilayer film, resonators located on the piezoelectric layer and including an IDT electrode, and a protective film located on the resonators. The resonators include a first resonator and a second resonator having a higher resonant frequency than the first resonator. A thickness of the protective film on the first resonator is larger than the thickness of the protective film on the second resonator.

Abstract: A relay failure detection circuit includes a first voltage acquiring section configured to acquire an AC voltage input to a power supply circuit and output the AC voltage as a first voltage signal, a second voltage acquiring section configured to acquire an inter-terminal voltage of a relay provided in the power supply circuit and output the inter-terminal voltage as a second voltage signal, a comparing section configured to compare a waveform of the first voltage signal and a waveform of the second voltage signal, and a determining section configured to determine a failure of the relay according to a result of the comparison.

Abstract: An acoustic wave device includes a substrate 3, a multilayer film 5 on the substrate 3, an LT layer 7 which is located on the multilayer film and is configured by a single crystal of LiTaO3, and an IDT electrode 19 on the LT layer 7. In the multilayer film 7, a differential value D obtained by subtracting a total value of values each obtained by multiplying a density and thickness of a film having a slower acoustic velocity than a transverse wave acoustic velocity of the LT layer 7 from a total value of values each obtained by multiplying a density and thickness of a film having a faster acoustic velocity than the transverse wave acoustic velocity of the LT layer 7 is negative, and a thickness of the LT layer 7 is less than 2 p where a pitch of electrode fingers in the IDT electrode 19 is “p”.