Abstract: In order to produce a larger output and smaller friction acting on a movable substrate of an electrostatic-type electromechanical transducer using electrostatic interaction between charged portions and opposing electrodes to transduce between electric power and motive power, the electrostatic-type electromechanical transducer includes: a fixed substrate; a movable substrate being movable while maintaining a predetermined distance between the fixed substrate and the movable substrate; charged portions disposed on a first surface of the movable substrate at intervals in a direction of movement of the movable substrate, the first surface facing the fixed substrate; opposing electrodes disposed on the fixed substrate in the direction of movement, the opposing electrodes facing the movable substrate; and a ground electrode facing a second surface of the movable substrate, the second surface being opposite to the first surface.

Abstract: A tool rest for a machine tool, with a plurality of rotary tools and a tool-rotating drive shaft supported rotatably so that its rotation is transmitted to each rotary tool. The tool rest includes: a plurality of input portions fixed to the tool-rotating drive shaft; and engaging portions corresponding to the respective input portions, rotatably supported and adopted to be driven in rotation by the input portions for engaging with engaged portions of each rotary tool to transmit power when a prescribed rotational phase is reached. Adjusting means is provided between a prescribed input portion and the engaging portion, for adjusting the phase of the engaging portion relative to the tool-rotating drive shaft such that the engaging portions and the corresponding engaged portions are engaged simultaneously.

Abstract: A control apparatus for machine tool, in accordance with user set conditions, feeds a cutting tool in a feeding direction while reciprocatively vibrating the cutting tool, smoothly cuts a workpiece, and achieves a machined surface having an improved appearance. In a machine tool and a control apparatus thereof, a control means is configured to set the number of rotations of relative rotation and the number of vibrations of reciprocating vibration during one rotation of the relative rotation in accordance with a vibration frequency attributable to a cycle during which an operation instruction can be issued, and the control means includes adjusting means configured to adjust the number of rotations or the number of vibrations set by the control means.

Abstract: A control device for a machine tool and a machine tool, for which settings of the number of vibrations per rotation become easy, is provided. The control device of the machine tool controls a relative rotation between a workpiece and a cutting tool and a relative reciprocal movement between the workpiece and the cutting tool in a feed direction to perform vibration cutting to the workpiece. The control device includes a control section for controlling a spindle headstock, a first tool post, and a second tool post, the workpiece W being installed on the spindle headstock, the first tool post being provided to be reciprocally movable along the feed direction with respect to the spindle headstock and installed with a first cutting tool for cutting the workpiece, and the second tool post being provided to be reciprocally movable along the feed direction with respect to the spindle headstock independently of the first tool post and installed with a second cutting tool for cutting the workpiece.

Abstract: In a timepiece, moments of inertia of a first pointer and a second pointer that are for displaying first information and second information, respectively and that have a same rotation axis are the same. As a result, parts having identical specifications may be used in a drive mechanism of the first pointer and a drive mechanism of the second pointer. Further, color schemes of the first pointer and second pointer differ. As a result, a user may easily distinguish the first pointer and the second pointer.

Abstract: To provide a machine tool and a control device for the machine tool that allows a user to select the vibration condition according to an input number of rotations and an input number of vibrations.

Abstract: A machine forms threads on a workpiece by relatively feeding the workpiece and a cutting tool in a feeding direction while relatively rotating the workpiece and the cutting tool, and by performing a helical cutting work multiple times while carrying out relative reciprocal vibration of the workpiece and the cutting tool in a radial direction of the workpiece. The machine tool or a control device of the machine tool includes a vibration setting unit to set a pattern of vibration during each cutting work accompanied by the reciprocal vibration so that a cut portion of one cutting work partially includes a portion that has been cut in another cutting work. The machine tool and the control device prevent a long, continuous chip from becoming entangled with a workpiece or a cutting tool in the process of forming threads on the workpiece.

Abstract: Provided is a light-emitting apparatus including a substrate, a plurality of light-emitting units each having a plurality of LED elements mounted on the substrate in a rectangular lattice pattern, wherein each of the light-emitting units has a rectangular light-emitting region, and a lens array including a plurality of lenses provided corresponding to the light-emitting units, respectively, the lens array being arranged on the plurality of light-emitting units, wherein the plurality of lenses is designed such that beams of emission light from the plurality of light-emitting units are collected and radiated so as to overlap with one another at a position distant from the substrate, and a part of the plurality of light-emitting units is arranged to be inclined with respect to a reference direction in a plane of the substrate by an angle different from that of other light-emitting units.

Abstract: In order to prevent degradation in print quality which can come from matter generated from an ink ribbon and adhering to a thermal head, the thermal transfer printer transports an ink ribbon which has characteristics such that the amount of matter generated from the ink ribbon by transfer and adhering to the thermal head has a peak at predetermined transfer energy and reduces in an energy range higher than the predetermined transfer energy with increase in transfer energy, transfers ink and protective material onto paper in this order from the ink ribbon on which the ink and the protective material are repeatedly arranged in a longitudinal direction thereof, and adjusts transfer energy for the protective material to a value within a predetermined range.

Abstract: To provide a planar light unit that optically and mechanically connects a light-emitting device and a light guide plate to each other in a stable manner so as to improve luminous efficiency and brightness uniformity on a light exit surface. A planar light unit 40 includes: a light guide plate 2, which includes a light incident portion 2f on a side edge of the light guide plate 2; a light-emitting device 3, which is configured to emit light into an inside of the light guide plate 2 through the light incident portion 2f; and a light source board 4, on which the light-emitting device 3 is mounted. The light incident portion 2f includes a recess 2a and a reflecting-shaped portion 2b. A flexible resin 6, which has a light-transmitting property and a flexibility, is disposed between a light incident surface 2c, which is formed on the recess 2a, and the light-emitting device 3.

Abstract: An electronic watch includes a power source, an electrostatic motor including a rotor in which a plurality of electret films are arranged in a rotational direction and a plurality of fixed electrodes arranged in the rotational direction at positions facing the rotor, a hand rotating in conjunction with the rotation of the rotor, and a motor control circuit controlling the electrostatic motor. The motor control circuit selectively executes a hand movement mode for rotating the hand and a stop mode for keeping the hand stationary. In the stop mode, the motor control circuit keeps the rotor stationary through electrostatic forces exerted on the electret films from the fixed electrodes with the polarities of the fixed electrodes maintained.

Abstract: A light-emitting device comprises a first optical element covering an LED and covered by a second optical element. The first optical element has: a first incident surface on which light emitted from the LED is incident; a recessed first reflecting surface, above the first incident surface, and reflecting to the side the light is incident via the first incident surface from the LED; and a first emitting surface across the periphery of the first reflecting surface, which emits the light from the first reflecting surface. The second optical element has: an incident-reflecting surface formed by, concentric second incident surfaces on which light emitted from the first emitting surface is incident, and second reflecting surfaces alternately with the second incident surfaces, that reflect upward the light incident on the second incident surfaces; and a second emitting surface above the incident-reflecting surface, that emit light reflected by the second light reflecting surfaces.

Abstract: A watch including: a first drive mechanism including a hand having a rotational axis along a first direction, a wheel train, and a drive power source; and a second drive mechanism including a hand having a rotational axis along a second direction different from the first direction, a wheel train, and a drive power source, wherein the first drive mechanism and the second drive mechanism are mounted separately. Each of the first direction and the second direction is defined along a normal direction to dial at a position of a rotational axis of the hand.

Abstract: A coolant coupling device (20) includes: a cylinder chamber (25) provided for a support member (2) for a tool rest (4) in a machine tool and supplied with coolant; a piston (P) movably arranged in the cylinder chamber (25); and a coolant supply flow channel (30) provided for the piston (P) for passing coolant therethrough. The piston (P) is driven by the coolant supplied to the cylinder chamber (25) so that an outlet (32) of the coolant supply flow channel (30) is connected to a coolant inlet port (10) of the tool rest (4) to supply the coolant to the tool rest (4). The piston (P) comprises a cylindrical projection (29) protruding toward and into the cylinder chamber (25), and the coolant supply flow channel (30) has an inlet (34) that opens at an outer peripheral surface of the cylindrical projection (29).

Abstract: Provided is an electric power generating device capable of performing electret power generation by efficiently rotating a rotating electrode group.

Abstract: Provided is a light-emitting device of which a resin frame serving as a dam of a sealing resin is not readily deformed. The light-emitting device includes: a planar lead frame configured from first and second metal portions which are spaced apart from each other with an insulating resin interposed therebetween; light-emitting elements mounted on the first metal portion and electrically connected by wires to the first and second metal portions; a first resin frame disposed on the lead frame so as to enclose the light-emitting elements; a sealing resin containing a phosphor for converting the wavelength of light emitted from the light-emitting elements, the sealing resin being filled into a region on the lead frame enclosed by the first resin frame to seal the light-emitting elements; and a second resin frame being harder than the first resin frame and covering an outer surface of the first resin frame at an outer edge of the lead frame.

Abstract: A light-emitting device comprises a first optical element covering an LED and covered by a second optical element. The first optical element has: a first incident surface on which light emitted from the LED is incident; a recessed first reflecting surface, above the first incident surface, and reflecting to the side the light is incident via the first incident surface from the LED; and a first emitting surface across the periphery of the first reflecting surface, which emits the light from the first reflecting surface. The second optical element has: an incident-reflecting surface formed by, concentric second incident surfaces on which light emitted from the first emitting surface is incident, and second reflecting surfaces alternately with the second incident surfaces, that reflect upward the light incident on the second incident surfaces; and a second emitting surface above the incident-reflecting surface, that emit light reflected by the second light reflecting surfaces.