Kyocera Corporation

Kyocera Corportion

Tomoyoshi Ikeda

Jun Takeda

Kenji Kono

Tomotake Aono

Fumiaki Nakao

Katsuhiko Shimizu

Shigeto Hattori

Kanji Satake

A brush includes a head with bristles, an actuator that expands and contracts in accordance with an electric signal, a connection member that transmits vibration of the actuator to the head, and a body including a housing that houses the actuator. The direction of reciprocal vibration of the head is at a predetermined angle relative to the direction of extension of the housing.

Brush and head

Mounting behavior is detected easily. A mounting behavior detection system includes a mounting-side apparatus, a mounted-side apparatus, and a charging apparatus. The mounting-side apparatus is attached to the neck or the chin of a first domestic animal, is configured to emit a transmission signal, and includes a battery. The mounted-side apparatus is attached at any position from the back to the tail of a second domestic animal and is configured to transmit a response signal in response to the transmission signal. The charging apparatus is configured to transmit power wirelessly to the battery.

Mounting behavior detection system

This measurement system is for evaluating an acoustic apparatus () that includes a vibrating element () and allows sound to be heard via vibration transmission. The measurement system includes an ear model () including an artificial ear () modeled after a human ear and an artificial temporal bone () in contact with the artificial ear (); and a vibration detection element () disposed in the artificial temporal bone ().

Ear model, artificial head, and measurement system and measurement method using the ear model and artificial head

An electronic device can effectively transmit sound even if a force is applied to a panel by an ear. The electronic device includes a panel () and a vibration unit () that vibrates the panel () to generate air-conducted sound and vibration sound that is transmitted through a portion of a human body. The intensity of vibration of the vibration unit () changes in accordance with the force applied to the panel ().

Electronic device and panel device

Provided is a measurement device that evaluates an acoustic deviceincluding a vibrating element and configured to allow sound to be heard by vibration transmission. The measurement device includes: an ear model unitincluding an ear modelthat is molded after a human ear and an artificial cartilage unitthat is joined to the ear model; and a vibration detectordisposed in the ear model unit

Ear model, artificial head, and measurement device using same, and measurement method

Mounting behavior or the like by domestic animals or the like is easily detected. Included are a mounting-side apparatus attached to the neck of a first domestic animal and configured to emit a transmission signal, and a mounted-side apparatus attached at any position from the back to the tail of a second domestic animal. A communication interface of the mounted-side apparatus emits a response signal to a communication interface of the mounting-side apparatus.

Mounting behavior detection system and detection method

A measurement device and measurement method for evaluating an acoustic device that allows a sound to be transmitted via vibration transmission by being held by a human ear includes an ear model unit having an ear model modeled after a human ear and an artificial external ear canal unit continuous with the ear model. The ear model unit is formed from rubber, a same material as an auricle model conforming to IEC 60318-7 or IEC 60268-7, or a material having a Shore hardness of from 30 to 60. The ear model is provided with an auricle or a hole which holds the acoustic device. A microphone is configured to measure an air-conducted component generated within an artificial ear canal of the artificial ear canal unit by vibration transmitted to the ear model unit from the acoustic device held by the auricle or the hole.

Ear model unit, artificial head, and measurement device and method using said ear model unit and artificial head

Provided is a measuring apparatus that may measure a vibration amount weighted by cartilage conduction characteristics of the human ear and thus allows for accurate evaluation of an electronic device having a vibrator. A measuring apparatus for evaluating an electronic device that delivers a sound through vibration transmission from a vibrator retained in a housing held against the human ear includes an ear simulator simulating the human ear and a vibration detector disposed on an artificial eardrum formed in the ear simulator.

Ear model, head model, and measuring apparatus and measuring method employing same

A measurement device () is for evaluating an acoustic device () that allows sound to be heard via vibration transmission by having a housing () provided with a vibrating element () be held by a head including a human ear. The measurement device () includes an ear model unit () modeled after a human ear, a model of a human body that holds the acoustic device (), and a vibration detector () disposed in the ear model unit ().

There is provided an acoustic device that can reduce muffled sound. The disclosed acoustic device includes a holderthat 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 generatorthat is held by the holderand allows sound to be heard by the user in response to an audio signal as well.

Acoustic device

The disclosed acoustic device includes a holderthat 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 vibratorthat is held by the holderand, based on an audio signal, expands and contracts in a direction intersecting a direction of connecting the one end and the other end, and by the expansion and the contraction, causes the ear to vibrate.

Provided is an electronic device for detecting the relative rotational positions of two casing members optically without utilizing the difference in the reflecting efficiency between a plurality of reflecting portions. The electronic device comprises a first light emitting unit () for emitting a light (R), a first casing member () mounting the first light emitting unit (), a first light receiving unit () for receiving the light (R), a second casing member () mounting the first light receiving unit () and so connected to the first casing member () as to rotate on a spindle (), and a detecting unit for detecting the rotational position of the second casing member () relative to the first casing member (), on the basis of the reception of the light (R) emitted from the first light emitting unit () in the first light receiving unit (). The first light emitting unit () is arranged in the first casing member () and on a first circumference (C) centering on the spindle (), and the first light receiving unit () is arranged in the second casing member () and on a second circumference (C) facing the first circumference (C) and centering on the spindle ().

Growing community of inventors

Yokohama, Japan

Tomoyoshi Ikeda