Abstract: A wearable sensing device includes clothing worn by a user, and a sensor unit including a sensor and being attached to the clothing. The sensor unit includes: a body; first and second bracket parts provided to sandwich the body and fixed to the clothing; and first and second hinge parts respectively coupling the body and first and second bracket parts. The first and second bracket parts of the sensor unit are respectively attached to first and second sensor attachment parts provided on clothing 22L.

Abstract: A wearable sensing device includes: a sensor provided on clothing worn by a worker wearing conductive work clothes; and an electronic device connected to the sensor. The electronic device includes a ground connection part that makes contact with the conductive work clothes to be electrically connected to the conductive work clothes.

Abstract: A fitting detection method according to the present disclosure is a fitting detection method for detecting fitting which includes acquiring first data indicating information generated from vibration, acquiring second data output from a learned model by inputting the first data to the learned model having undergone machine learning using at least information generated from vibration generated by normal fitting as teacher data, determining whether or not the first data is related to fitting based on the second data, and determining whether or not normal fitting is performed based on the first data when the first data is related to fitting.

Abstract: The determination device includes an acquisition unit that acquires a vibration signal generated when the position of an object is switched, and a determination unit that determines the state of the object by using the vibration signal.

Abstract: A bone conduction microphone includes a housing having an opening, a microphone pad, an element support member, a piezoelectric element, and a drive plate. The microphone pad is formed in a bottomed tubular shape having a bottom portion disposed outward and a tubular portion with an outer circumference fixed to an inner circumference of the opening. The element support member has an outer circumference fixed to an inner circumference of the tubular portion, and a support portion projecting toward the bottom portion. The piezoelectric element is in a plate shape with a peripheral edge of one surface fixed to the support portion and picks up vibration. The drive plate has a diaphragm part fixed to an inward surface of the bottom portion, and the diaphragm part is provided at a center with a protrusion fixed to an element central portion on another surface of the piezoelectric element.

Abstract: A heartbeat detection device includes a bone conduction microphone that converts, into a signal, displacement on the body surface of a user in a thickness direction of the body of the user, and an extractor that extracts a first frequency component and a second frequency component which are included in the signal. The first frequency component is based on audio information of the user, and the second frequency component is based on heartbeat information of the user. The heartbeat detection device is capable of estimating the physical and psychological state of the user based on the heartbeat information by extracting both the audio information and the heartbeat information, from a signal that has been output by the bone conduction microphone.

Abstract: A bone conduction microphone is configured to convert vocal cord vibration into a sound signal. The bone conduction microphone includes a vibration collection unit configured to come into contact with a human body and collect vibration in a predetermined direction, which is included in the vocal cord vibration, and a switch configured to switch whether collection of the vibration in the predetermined direction is enabled. The switch is disposed on a side of the vibration collection unit, which is opposite to a side configured to come into contact with the human body, to allow a direction of an operation of switching whether collection of the vibration in the predetermined direction is enabled to be parallel to the predetermined direction.

Abstract: A bone conduction microphone of the present disclosure includes: a vibration sensor that comes into contact with a nose of a living body from outside the living body and converts vibration into an electric signal; a head-worn part that is worn on a head of the living body; and a sensor support that hangs from the head-worn part and supports the vibration sensor toward the nose.

Abstract: A bone conduction microphone includes a housing having an opening, a microphone pad, an element support member, a piezoelectric element, and a drive plate. The microphone pad is formed in a bottomed tubular shape having a bottom portion disposed outward and a tubular portion with an outer circumference fixed to an inner circumference of the opening. The element support member has an outer circumference fixed to an inner circumference of the tubular portion, and a support portion projecting toward the bottom portion. The piezoelectric element is in a plate shape with a peripheral edge of one surface fixed to the support portion and picks up vibration. The drive plate has a diaphragm part fixed to an inward surface of the bottom portion, and the diaphragm part is provided at a center with a protrusion fixed to an element central portion on another surface of the piezoelectric element.

Abstract: A bone conduction headset includes a support member having a U-shape, a pair of bone conduction speakers respectively provided to a first end of the support member and a second end of the support member, the second end being opposite to the first end, a microphone coupled to the first end, and a mute switch provided to either the first end or the second end, and configured to perform a control to lower volume on the pair of bone conduction speakers.

Abstract: A bone conduction speaker includes a vibration driver that includes a magnetic circuit and a vibration plate, and that is configured to convert sound into vibration, a vibration body configured to hold a side of the vibration driver, which is adjacent to the magnetic circuit, to come into contact with a subject, and to transmit vibration of the vibration driver to the subject, and a lid body configured to cover a side of the vibration driver, which is adjacent to the vibration plate, without being in contact with the vibration driver, and to substantially seal the vibration driver together with the vibration body.

Abstract: A headset main body includes a PTT switch, bone conduction speakers, a first connector to be coupled with a microphone, and a second connector to be coupled with a transceiver. A sleeve of the first connector is coupled to a sleeve of the second connector. A ring of the first connector is coupled to a ground. A chip of the first connector is coupled to a ring of the second connector, and the chip of the first connector is further coupled, via the PTT switch, to the ground.

Abstract: A heartbeat detection device includes a bone conduction microphone that converts, into a signal, displacement on the body surface of a user in a thickness direction of the body of the user, and an extractor that extracts a first frequency component and a second frequency component which are included in the signal. The first frequency component is based on audio information of the user, and the second frequency component is based on heartbeat information of the user. The heartbeat detection device is capable of estimating the physical and psychological state of the user based on the heartbeat information by extracting both the audio information and the heartbeat information, from a signal that has been output by the bone conduction microphone.

Abstract: A bone conduction headset includes a support member having a U-shape, a pair of speakers of bone conduction type respectively provided to a first end and a second end of the support member, the second end being opposite to the first end, a microphone coupled to the first end, and a mute switch provided to either the first end or the second end, and configured to perform a control to lower volume on the speakers of bone conduction type.

Abstract: A bone conduction speaker includes a vibration driver that includes a magnetic circuit and a vibration plate, and that is configured to convert sound into vibration, a vibration body configured to hold a side of the vibration driver, which is adjacent to the magnetic circuit, to come into contact with a subject, and to transmit vibration of the vibration driver to the subject, and a lid body configured to cover a side of the vibration driver, which is adjacent to the vibration plate, without being in contact with the vibration driver, and to substantially seal the vibration driver together with the vibration body.

Abstract: A headset main body includes a PTT switch, bone conduction speakers, a first connector to be coupled with a microphone, and a second connector to be coupled with a transceiver. A sleeve of the first connector is coupled to a sleeve of the second connector. A ring of the first connector is coupled to a ground. A chip of the first connector is coupled to a ring of the second connector, and the chip of the first connector is further coupled, via the PTT switch, to the ground.

Abstract: A bone conduction microphone is configured to convert vocal cord vibration into a sound signal. The bone conduction microphone includes a vibration collection unit configured to come into contact with a human body and collect vibration in a predetermined direction, which is included in the vocal cord vibration, and a switch configured to switch whether collection of the vibration in the predetermined direction is enabled. The switch is disposed on a side of the vibration collection unit, which is opposite to a side configured to come into contact with the human body, to allow a direction of an operation of switching whether collection of the vibration in the predetermined direction is enabled to be parallel to the predetermined direction.

Abstract: A headset supported on a head of a wearer while passing around the head includes a bone conduction speaker, a contact type microphone, a frame that supports the bone conduction speaker and has elasticity, and a movable part configured to change a distance between the bone conduction microphone and the frame. This configuration can provide a headset that is easily worn by the wearer.

Abstract: A head set configured to be worn on the head of a human body includes a communicator configured to communicate with an external device, speakers configured to output, as voices, signals received by the communicator, detectors configured to detect whether or not the head set is being worn on the head, a vibration generator configured to generate vibrations for applying vibrations to the human body, a supporting portion configured to support the communicator, the speakers, the detectors and the vibration generator, and a controller configured to cause the vibration generator to vibrate, when the communicator is being in a signal-arriving state, and the head set not being worn on the head is being detected by the detectors.

Abstract: A material for audio equipment housing containing a polylactic acid resin composition containing a polylactic acid resin, a plasticizer, an organic crystal nucleating agent, and an inorganic material, wherein the content of the plasticizer is from 1 to 50 parts by mass based on 100 parts by mass of the polylactic acid resin; and a vibration-damping material containing a polylactic acid resin composition containing a polylactic acid resin, a plasticizer, an organic crystal nucleating agent, and an inorganic material, wherein the content of the plasticizer is from 1 to 50 parts by mass based on 100 parts by mass of the polylactic acid resin. The material of the present invention can be suitably used as materials for audio equipment of, for example, speakers, television, radio cassette players, headphones, audio components, or microphones, and manufactured articles, such as electric appliances, transportation vehicles, construction buildings, and industrial equipment, or parts or housing thereof.