Abstract: An arm wearable device including a case, a module which has a brittle member and is provided in the case, and a plurality of holding portions which holds the module in the case such that flexural deformation of the module is restricted to deformation where a virtual straight line extending in a longitudinal direction of the brittle member serves as a center line.

Abstract: An indicator device includes a plurality of light emitters and at least one processor. The processor obtains, at intervals of a first period, a first period maximum value representing a maximum volume among a plurality of pieces of volume information based on an input signal. The processor obtains, for each second period including a plurality of first periods each being the first period, a minimum value among first period maximum values each being the first period maximum value as a second period minimum value and a maximum value among the first period maximum values as a second period maximum value. The processor controls light emission of the light emitters based on a relative ratio of a predetermined first period maximum value among the first period maximum values. The relative ratio is based on the second period minimum value and the second period maximum value.

Abstract: A light emission control device includes at least one processor. The processor performs dimming control on a light emitting device by interrupt processing.

Abstract: A spatial projection apparatus is provided. The apparatus includes an optical medium that diffuses a projected light. The apparatus further includes a light guide optical system that guides the projected light diffused by the optical medium and forms an image on a spatial imaging unit. The optical medium can be formed with a plate shape, a film shape, a three-dimensional shape including unevenness, in smoke-form, fluid-form, or mist-form.

Abstract: A sensor device including a case which has a sensor housing portion provided in an outer circumferential portion thereof, a sensor which is housed in the sensor housing portion, and a connection hollow portion which is provided in an outer circumferential portion of the case corresponding to an outer side surface of the sensor, has a blocking portion integrally provided with the case, and is connected to outside of the case while covering the outer side surface of the sensor.

Abstract: An electronic musical instrument includes an operation unit that receives a user performance; and at least one processor. wherein the at least one processor performs the following: in accordance with a user operation specifying a chord on the operation unit, obtaining lyric data of a lyric and obtaining a plurality of pieces of waveform data respectively corresponding to a plurality of pitches indicated by the specified chord; inputting the obtained lyric data to a trained model that has been trained and learned singing voices of a singer so as to cause the trained model to output acoustic feature data in response thereto; synthesizing each of the plurality of pieces of waveform data with the acoustic feature data so as to generate a plurality of pieces of synthesized waveform data; and outputting a polyphonic synthesized singing voice based on the generated plurality of pieces of synthesized waveform data.

Abstract: In an electronic musical instrument that can output stored lyrics of a song in accordance with operations by a user, a processor determines whether a pedal is on or off, and if the pedal is off, the lyric is advanced in accordance with a user operation of a keyboard, and if the pedal is on, the lyric is not advanced in accordance with a user operation of a keyboard.

Abstract: An electronic musical instrument includes an operation receiver that receives an input operation and a processor. The operation receiver includes a rotating wheel. The rotating wheel includes a first light emitter that emits colored light. The processor causes, upon the rotating wheel receiving an input operation, the first light emitter to change an emission color from a color at a start of the input operation to a color corresponding to a rotation angle of the rotating wheel having received the input operation.

Abstract: An electronic musical instrument includes an input device that receives an input operation, a display, and a processor. The processor performs a first process upon duration of a detected continuation of the input operation being a reference time or longer. The processor performs a second process upon duration of a detected continuation of the input operation being less than the reference time. The processor causes the display to display a content from which it is determinable whether or not duration of a detected continuation of the input operation being the reference time or longer.

Abstract: Disclosed is an electronic device including: a display; a detector that detects contact or proximity between an operating body and a detection surface; multiple light emitters that are provided at a position corresponding to the detector, and cause the detection surface to emit light; and at least one processor. The processor performs control to link displaying regarding at least part of a content on the display with light emission of at least part of the light emitters.

Abstract: A case includes an exterior member including a first surface including an external surface of a first sheet and a second surface connected to the first surface, and an attachment member to which the exterior member is attached, having a facing surface disposed to face the second surface, and arranged in such a manner that a projecting end of the facing surface projects further than the first surface when viewed in cross section.

Abstract: An applying system includes the following. A drying apparatus dries a first applying material applied to a surface of a nail. An applying apparatus applies a second applying material on the surface of the nail with the first applying material dried by the drying apparatus in between.

Abstract: An electronic device includes: a memory including a data region that stores data; a display device; and at least one processor. At least one processor executes: first boot processing in which a boot time is constant irrespective of a usage state of data in the data region, first output processing of outputting information of a first pattern to the display device during execution of the first boot processing, second boot processing in which a boot time varies depending on a usage state of the data, and second output processing of outputting information of a second pattern to the display device until the second boot processing is completed.

Abstract: An input interface device includes at least one processor. The processor performs control to cause, among light emitters, a first light emitter corresponding to a contact/proximity point detected by a detector to emit light with a luminous intensity higher than that of a remaining light emitter. The contact/proximity point is where an object is in contact with or in proximity to a detection surface. The processor further performs control, while the object is moving along the light emitters in a state in which the object is in contact with or in proximity to the detection surface, to gradually reduce a luminous intensity of, among the light emitters, a second light emitter corresponding to a point where the object being in contact with or in proximity to the detection surface once detected by the detector is no longer detected to put out the second light emitter in a predetermined time.

Abstract: Disclosed is a keyboard cover including: an upper surface cover that is able to cover an upper surface of an instrument body including a keyboard; a front hanging portion that is provided at a front end of the upper surface cover so as to be able to turn into a folded-in state of overlapping with the upper surface cover and that is able to hang down so as to cover a front end surface of the keyboard; and a handle that is provided to the front hanging portion so as to extend in a longitudinal direction of the instrument body and is able to be bent to be deformed. The keyboard cover is able to be turned into a storable state by maintaining, with the handle, a state in which the entire keyboard cover is made compact.

Abstract: A panel includes a coloring layer having light transmission characteristics relative to light from a light source, a first concealment layer provided on a rear surface side of the coloring layer, having light concealment characteristics relative to at least a part of light from the light source, and including an opening provided therein, and a second concealment layer provided on a rear surface side of the first concealment layer, having light concealment characteristics relative to at least a part of light from the light source, and including an opening provided therein in such a manner as to correspond to the opening in the first concealment layer, and the coloring layer is colored in a color different from those of the first concealment layer and the second concealment layer, the first concealment layer having a higher lightness than that of the second concealment layer.

Abstract: An automatic performance device executing a process includes: determining stochastically one of a plurality of timing patterns indicating a sound production timing of a musical instrument sound, and determining a musical instrument tone designation table associated with the determined timing pattern from a plurality of musical instrument tone designation tables.

Abstract: An electronic device includes: an amplifier configured to amplify an input signal and output an output signal obtained by shaping the amplified input signal; and at least one processor. The at least one processor is configured to: obtain a value indicating power supplied to the amplifier, control the amplifier in a first pattern such that a clip value for the output signal decreases, when detecting that the value is larger than a reference potential and that the value becomes larger than a first threshold larger than a second threshold from a state of being smaller than the second threshold; and control the amplifier in a second pattern such that the clip value for the output signal increases, when detecting that the value is larger than the reference potential and that the value becomes smaller than the second threshold from a state of being larger than the first threshold.

Abstract: An image forming medium changing device includes a changing unit configured to change a characteristic of an image forming medium on which projected light is focused, wherein the projected light is refocused on an aerial space image forming section by a light guide optical system. A spatial projection apparatus including the image forming medium changing device includes multiple image forming media having different characteristics, and the changing unit is configured to be driven to dispose one image forming medium selected from the multiple image forming media on an image forming effective area interposed between a light source of the projected light and the light guide optical system.

Abstract: A button apparatus comprises a push member on which a push operation can be performed, an elastic member of a substantially hollowed shape provided on a push direction side of the push member and configured to be elastically deformed on a side thereof which faces the push member in response to the push operation performed on the push member, a detector configured to detect the push operation performed on the push member, and a moving member supported on the elastic member and configured to move in the push direction in response to the push operation performed on the push member, and a side of the elastic member which faces the detector is elastically deformed as a result of the moving member moving in response to the push operation.