摘要:
An ultrasound transducer is provided. The ultrasound transducer include at least one emitter made from a piezoelectric material, having first and second emitting surfaces opposite one another provided to emit first and second ultrasound beams. The transducer comprises at least first and second mirrors placed across from the first and second emitting surfaces, respectively, and configured so as to deflect back the first and second ultrasound beams by forming a reflected beam with a predetermined shape.
摘要:
An acoustic generator includes a vibration body; a first exciter and a second exciter which are disposed on the vibration body; a first damping material disposed on the vibration body and having a first portion which overlaps the first exciter; and a second damping material disposed on the vibration body and having a second portion which overlaps the second exciter. The first damping material is disposed so as to straddle at least a portion of a first segment which is a portion of a contour of the first exciter which portion does not face the second exciter, and the second damping material is disposed so as to straddle at least a portion of a second segment which is a portion of a contour of the second exciter which portion does not face the first exciter.
摘要:
A sound generator includes a vibration unit (60) having a piezoelectric element (61) and also includes a weight (10) for applying a load to the vibration unit (60). The vibration unit (60) deforms based on a sound signal while receiving the load from the weight (10), thereby vibrating a contact surface (150) in contact with the sound generator (10) and generating a sound from the contact surface (150).
摘要:
An earphone (1) includes a cylindrical barrel (2) having one end thereof inserted in an ear canal, a transmission element (4) that is provided on a part of the side of the barrel (2), has a part thereof being in contact with a tragus of a human body while the barrel (2) is inserted in the ear canal and has a built-in electroacoustic conversion element (3) configured to generate an acoustic vibration in response to an electrical signal, a vibration element (5) that is provided on an inner wall of the barrel (2) and vibrates in reaction to the acoustic vibration from the electroacoustic conversion element (3), and a biosensor (30).
摘要:
A tactile sound device in proximate contact with a user, comprising a multistage arrangement of vibrotactile materials to impart visceral sensations to a user. The device imparts a physical sensation via a multistage arrangement of vibrotactile materials embodied in a wearable or seated configuration, in response to a wired or wireless signal input.
摘要:
There is provided an acoustic device that can reduce muffled sound. The disclosed acoustic device includes a holder 103 that has one end abutting the inside of an inferior antihelix crus and other end abutting a depression between a tragus and an antitragus of a user's ear, and a human body vibration sound generator 10 that is held by the holder 103 and allows sound to be heard by the user in response to an audio signal as well.
摘要:
A transducer in the form of cloth having high flexibility obtained by manufacturing a conventional woven or knitted fabric structure using general-purpose fiber materials. The transducer includes piezoelectric units, each including two conductive fibers and one piezoelectric fiber arranged substantially on the same plane in the order of the conductive fiber, the piezoelectric fiber and the conductive fiber, and outputs and inputs an electric signal.
摘要:
There are provided an acoustic generator capable of generating a high-quality sound having little distortion, and an acoustic generation device and an electronic apparatus using the same. An acoustic generator has a vibration body, a first exciter, a second exciter, a first damping material and a second damping material. The vibration body has two surfaces which are positioned with a gap therebetween in a first direction. The first exciter and the second exciter are disposed on the vibration body. The first damping material is disposed on the vibration body and has a first portion which overlaps the first exciter when viewed in the first direction. The second damping material is disposed on the vibration body and has a second portion which overlaps the second exciter when viewed in the first direction.
摘要:
An acoustic generator includes a vibration body; a first exciter and a second exciter which are disposed on the vibration body; a first damping material disposed on the vibration body and having a first portion which overlaps the first exciter; and a second damping material disposed on the vibration body and having a second portion which overlaps the second exciter. The first damping material is disposed so as to straddle at least a portion of a first segment which is a portion of a contour of the first exciter which portion does not face the second exciter, and the second damping material is disposed so as to straddle at least a portion of a second segment which is a portion of a contour of the second exciter which portion does not face the first exciter.
摘要:
The hearing system comprises a finger ring and a hearing device body. The finger ring includes: a first short-distance wireless communication portion; a vibration output portion disposed at a position that contacts a finger to convert a voice signal, which is received by the first short-distance wireless communication portion, into a cartilage conduction vibration and outputs it; and a first power source portion that supplies power to the first short-distance wireless communication portion and the vibration output portion. The talk device body includes: a second short-distance wireless communication portion that communicates with the first short-distance wireless communication portion; a microphone; a voice signal output portion that makes the second short-distance wireless communication portion output the voice signal according to a voice captured by the microphone; and a second power source portion that supplies power to the second short-distance wireless communication portion, the microphone, and the voice signal output portion.