Canon Kabushiki Kaisha

Central Glass Company, Limited

Taiheiyo Cement Corporation

Other

Kabushiki Kaisha Toshiba

Ajinomoto Co., Ltd.

Toshiba Elevator Kabushiki Kaisha

Nihon Cement Co., Ltd.

Mino Ceramic Co., Ltd.

Nihon Ceratec Co., Ltd.

Yutaka Maruyama

Nobuyuki Kojima

Takayuki Tsukimoto

Kiyoshi Nitto

Toru Ezaki

Takahiro Yamakawa

Kentaro Tsutsumi

Akira Shimada

Haruhiko Komoriya

Atsushi Kimura

Jun Tamai

Kaishi Ohashi

Toshio Koishi

Yoshio Imai

Satoru Kitajima

Junji Negishi

Ichiro Chiba

Masaaki Kakimoto

Kazuhiko Maeda

Takashi Arai

Toshihiro Ifuku

Hiroyuki Seki

Ichiro Okumura

Katsumi Suzuki

Yoshifumi Nishimoto

Masashi Matsumoto

Toshikazu Kawai

Takashi Kai

Yoshinobu Ishikawa

Yasuhiro Ogawa

Yoshiaki Ohda

Koji Kitani

Takashi Maeno

Satoshi Marushima

Akira Negishi

Koichi Matsushita

Yukio Ikeda

Takami Maekawa

Takeshi Kumazawa

Mikio Ootani

Shuyo Akama

Yasufumi Takakusaki

Yoshihiko Nakada

Kiyomi Sugawara

Seichi Katsuragawa

Ikuo Fuchi

Takashi Kondoh

Naoki Soumiya

Masahiro Harada

Yosuke Igarashi

Tooru Ezaki

Yasuhiro Tsubota

Junzaburou Ono

Yutaka Inada

Hidenari Okinaka

Kengo Kadotani

Yuu Itou

Michitaka Ohtani

Yutaka Katsuhara

Katuyoshi Murata

Sadamu Tozawa

Jiro Ohta

Tomoyoshi Kato

Yoshiyuki Oishi

A rail installation assist device includes at least control circuitry. The control circuitry is configured to acquire displacement information representing displacement of individual rail brackets and a rail joint from a reference position, the rail brackets that fix guide rails in an elevator shaft, the rail joint that joins the guide rails together; estimate, from the displacement information, a change in the displacement information of the rail brackets and the rail joint when the rail brackets are moved to given target positions; calculate an evaluation value for variation in the displacement information before the change and an evaluation value for variation in the displacement information after the change; and set positions of the rail brackets based on a result of comparison between the evaluation values.

Rail installation assist device, rail installation assist method, rail installation assist system, and computer program product

A method for screening an objective substance such as a salty-taste modifying substance is provided. It is identified by using a TMC6 protein whether a test substance is an objective substance such as a salty-taste modifying substance.

Method of using transmembrane channel-like protein 6 (TMC6) protein to identify substances affecting salty taste

An aspect of the present invention relates to a vibration element comprising: a substrate; a ceramic layer containing glass and provided on the substrate; and a piezoelectric element comprising an electrode layer fixed to the substrate with the ceramic layer therebetween and a piezoelectric layer, wherein the piezoelectric layer, the electrode layer, the substrate, and the ceramic layer are integrated by the piezoelectric layer, the electrode layer, the substrate, and the ceramic layer being sintered together at a sintering temperature of from 800&#xb0; C. or higher to 940&#xb0; C. or lower.

Vibration element, method for manufacturing same, and vibration-type driving device

A vibrating body includes a substrate, a piezoelectric element comprising a piezoelectric layer and electrode layers and joined to the substrate, and a ceramic layer between the substrate and the piezoelectric element. The ceramic layer comprises a first region and a second region which is adjacent to the first region in a direction perpendicular to a thickness direction of the ceramic layer. The first region has a square shape, each side of the first region having a length equal to a thickness of the ceramic layer, the second region has a square shape, each side of the second region having the length equal to the thickness of the ceramic layer, and a difference between a porosity of the first region and a porosity of the second region is not greater than 15%.

Vibrating body, method of manufacturing the same and vibration type drive device

A vibration element includes: a substrate; a ceramic layer containing molten glass and provided on the substrate; and a piezoelectric element fixed to the substrate with the ceramic layer therebetween, wherein the piezoelectric element includes a first electrode layer provided in contact with the ceramic layer, a second electrode layer, and a piezoelectric layer provided between the first electrode layer and the second electrode layer, and the first electrode layer has a thickness larger than that of the second electrode layer.

There are provided a row of external permanent magnets and a row of internal permanent magnets; a floating output ring is provided on which is wound a 3-phase coil, between these rows. The floating output ring has no mechanical restraining relationship with any other member in the linear motor). Instead, a controller that controls a PWM inverter that injects AC exciting current into the 3-phase coil brings the central axes of the double cylinder and the floating output ring into coincidence by generating supporting force with respect to the floating output ring by magnetism, by controlling the d axis current component of the exciting current.

Operating mechanism including a movable element supported by electromagnetic force

A piezoelectric device includes an elastic member, an electrical-mechanical energy conversion element fixed to the elastic member, configured to cause the elastic member to generate vibration, and a supporting member that supports the elastic member. The electrical-mechanical energy conversion element is formed of a piezoelectric material in which, in a usage temperature range of the piezoelectric device, a piezoelectric constant decreases along with temperature rise. A supporting member that supports the elastic member is formed of a material in which, in the usage temperature range of the piezoelectric device, Q value increases along with temperature rise.

Piezoelectric device, dust removing apparatus, and imaging apparatus

A vibration element includes a substrate, a piezoelectric element including a piezoelectric layer and an electrode layer, and a bonding layer provided between the piezoelectric element and the substrate and comprising ceramic containing melted glass powder, wherein the vibration element causes the substrate to vibrate by vibration energy of the piezoelectric element to output the vibration energy of the substrate, and the piezoelectric element is fixed to the substrate via the bonding layer.

Vibration element, manufacturing method thereof, and vibration wave actuator

Provided are a vibrating body and a vibration wave actuator, which can suppress vibration attenuation along with a reduction in size with an inexpensive structure, to thereby improve vibration efficiency, and can output stable vibration energy. A vibrating body includes: a piezoelectric element including a piezoelectric layer and an electrode layer; a ceramic substrate to which the piezoelectric element is fixed; and a ceramic layer including the same main component as a main component of the ceramic substrate, which is provided between the piezoelectric element and the ceramic substrate, and the piezoelectric element is fixed to the ceramic substrate through intermediation of the ceramic layer.

Vibrating body and vibration wave actuator

Provided is a vibrating body for a vibratory drive unit, including: a piezoelectric element including a piezoelectric layer and an electrode layer; and a plate-shaped elastic member bonded to the piezoelectric element, wherein the vibrating body drives a body to be driven, which is in contact with the plate-shaped elastic member, by a vibration generated in the plate-shaped elastic member through an application of a drive voltage to the piezoelectric element, and the plate-shaped elastic member has a front surface and a back surface each provided with one or a plurality of the piezoelectric elements to generate at least two different vibration modes through the application of the drive voltage to the one or the plurality of the piezoelectric elements.

Vibrating body of vibratory drive unit and vibratory drive unit

Provided is a piezoelectric element including: an electrode portion including a piezoelectric layer and an electrode layer that are laminated; and a non-electrode portion that is in contact with the electrode portion and includes a piezoelectric layer without an electrode layer, in which the non-electrode portion includes a region having a density smaller than a density of the piezoelectric layer of the electrode portion.

Piezoelectric element, and piezoelectric actuator and vibration wave motor including piezoelectric element

A method of manufacturing a stacked piezoelectric element that can suppress periodic damping on miniaturization of a vibration wave motor and improve its performance. A stacked piezoelectric element comprises piezoelectric layers and electrode layers alternately stacked to have a shape of a cylinder. The electrode layers are divided into a plurality of electrode layer regions along a circumferential surface of the shape of a cylinder.

Stacked piezoelectric element, manufacturing method thereof and vibration wave driving apparatus

A stacked piezoelectric element comprising a driving unit and a non-driving unit, and a vibration wave driving apparatus, which are capable of suppressing occurrences of deformation, particularly warping, that are generated during firing and polarization of the stacked piezoelectric element. A driving unit has a first conductive layer and a first piezoelectric layer consisting of a piezoelectric material, which is driven by an application of voltage to the first conductive layer to generate vibration on the stacked piezoelectric element. A non-driving unit has a plurality of second conductive layers and a plurality of second piezoelectric layers consisting of the piezoelectric material, which is arranged to have a thickness that enables generation of the vibration.

Stacked piezoelectric element and vibration wave driving apparatus

At least one exemplary embodiment is directed to an electro-mechanical energy converter and a vibration wave driving apparatus that can facilitate miniaturization, high power, low cost and low voltage drive, by using a polygonal piezoelectric element with a plurality of electrode films divided by a boundary of electrode film on the polygonal piezoelectric element.

Electro-mechanical energy converter and vibration wave driving

Provided is a stacked type piezoelectric element including a surface electrode layer as a first layer and a piezoelectric layer as a second layer. A third layer to an N-th layer thereof are formed by alternately arranging piezoelectric layers and piezoelectric layers. A surface of the piezoelectric layer is provided with four-way split inner electrodes S+, B+, A&#x2212;, and B&#x2212;. A surface of the piezoelectric layer is provided with four-way split inner electrodes AG+, BG+, AG&#x2212;, and BG&#x2212;. A surface of the piezoelectric layer is provided with four-way split inner electrodes of A+, B+, A&#x2212;, and B&#x2212;. The piezoelectric layers are formed such that only the inner electrode S+ serving as a sensor phase and the inner electrodes A+ and AG+ being arranged in the same phase as the inner electrode S+ are exposed to an outside of the piezoelectric layer.

Stacked type piezoelectric element and vibration wave motor

Growing community of inventors

Tokyo, Japan

Yutaka Maruyama