Kyocera Corporation

Panasonic Corporation

Omron Corporation

Matsushita Electric Industrial Co., Ltd.

Renesas Technology Corp.

Toray Industries, Inc.

Gs Yuasa International Ltd.

Gs Yhasa International, Ltd.

Gs Yussa International Ltd.

Mizuno Corporation

Hiroyuki Tanaka

Yukihiro Kaneko

Shun Sakai

Takehiro Okumichi

Eiji Fujii

Atsushi Irie

Kiyohiro Iioka

Tsuyoshi Nakai

Tatsuya Murakami

Yoshiomi Fujiwara

Nobuaki Nagao

Hiroaki Suzuki

Yoshihisa Kato

Michihito Ueda

Takahiro Hamada

Takahiro Takayama

Yuki Hanzawa

Kazuhiro Otsuka

Motoo Yamamoto

Yasuhiro Shimada

Masanori Hamada

Akimitsu Tsukuda

Tetsuya Kishino

Yasuhiro Kawabata

Kenji Yamamoto

Takashi Mimura

Yasushi Takada

Tomio Furuya

Takanori Ikuta

Nobufusa Iwanishi

Kyohei Kobayashi

Yuji Kishida

Tatsuo Shinoura

Michiaki Nishimura

Junya Nishii

Atsuomi Fukuura

Yusuke Yamaji

Shinya Tokunaga

Masahisa Shimozono

Mitsumi Ito

Daisuke Makibuchi

Koichi Seko

Troy Sauve

Masaki Nambu

Ikuo Obara

Tadashi Nishida

Kazuhiko Ishimoto

Kazuhiko Fujimoto

Shouichi Kobayashi

Yuichi Nishimura

Kazuyuki Hamatani

Tomomi Serikawa

Rumi Karasawa

Toshihiro Tanaka

Katsuya Suzuki

A capacitive element includes a piezoelectric substrate, a first electrode finger extending towards a positive side in a first direction, and a second electrode finger disposed facing and spaced apart from the first electrode finger in a second direction intersecting the first direction, extending towards a negative side in the first direction, and connected to a different potential from the first electrode finger. The first electrode finger includes a first portion extending in the first direction and a second portion extending from the first portion, through a first step portion, and at a different position in the second direction from the first portion. The second electrode finger includes a third portion disposed facing the second portion and extending in the first direction, and a fourth portion extending from the third portion through a second step portion, extending from the second portion in the first direction, and facing the first portion.

Capacitive element and elastic wave device

A filter body has a series arm including a plurality of series resonators connected in series with one another and one or more parallel resonators in such a manner that the series arm and the parallel resonators are connected in a ladder form. The series arm has a bent part, and when viewed from an elastic wave propagation direction, a series resonator located closest to a first terminal from a circuit perspective among the plurality of series resonators and a parallel resonator located closest to the first terminal from a circuit perspective among the plurality of parallel resonators do not overlap a series resonator located closest to a second terminal from a circuit perspective among the plurality of series resonators and a parallel resonator located closest to the second terminal from a circuit perspective among the plurality of parallel resonators.

Elastic wave filter, branching filter, and communication device

The multiplexer includes a plurality of IDT electrodes on a substrate, an insulating cover located on the substrate so as to configure one or more spaces above the plurality of IDT electrodes, an antenna terminal, transmission terminal, and reception terminal which are all located on the substrate and pass through the cover, and a reinforcing layer which is located on the cover and is made of metal. By the plurality of IDT electrodes, a transmission filter located in a signal path connecting the antenna terminal and the transmission terminal and a receiving filter located in a signal path connecting the antenna terminal and the reception terminal. The reinforcing layer includes a first area part facing the transmission filter and a second area part which faces the receiving filter and is separated from the first area part.

Acoustic wave device and communication apparatus

An acoustic wave element of the present invention includes a substrate; and an IDT electrode on an upper surface of the substrate, including a first bus bar, a second bus bar arranged with a space in a first direction from the first bus bar, a plurality of first electrode fingers connected to the first bus bar, a plurality of second electrode fingers connected to the second bus bar, and a second dummy electrode finger facing a tip end of one of the first electrode fingers through a gap. In at least one of the second electrode fingers, a width in a region on the side closer to the second bus bar than a first virtual line connecting the tip ends of the plurality of first electrode fingers is wider than a width in a region on the side closer to the first bus bar than the first virtual line.

Acoustic wave element and acoustic wave device

A surface acoustic wave (SAW) device includes a piezoelectric substrate, an interdigital transducer (IDT) electrode located on an upper surface of the piezoelectric substrate, a cover covering the upper surface of the piezoelectric substrate from above the IDT electrode, at least one first via conductor extending through at least part of the cover from the upper surface of the piezoelectric substrate to an upper surface of the cover, at least one second via conductor located, on the piezoelectric substrate, inward from the first via conductor in a plan view, extending through at least part of the cover from the upper surface of the piezoelectric substrate to the upper surface of the cover, and having a smaller diameter than the first via conductor, and a conductive layer located on the upper surface of the cover and extending over an upper end of the second via conductor.

Elastic wave device, duplexer, and communication device

An acoustic wave deviceincludes a piezoelectric substrateincluding a first surfaceA and a second surfaceB, a support substratebonded to the second surfaceB of the piezoelectric substrate, and a first filterand a second filtera passband of which is higher than that of the first filter, both being on the first surfaceA of the piezoelectric substrate. The first filterand the second filtereach includes an IDT electrode. A thickness of the IDT electrodeof the first filterand a thickness of the IDT electrodeof second filterare different.

Acoustic wave device

An IDT electrode of a SAW element has a plurality of first dummy electrodes which extend from the first bus bar to the second bus bar side and have tips which face the tips of the plurality of second electrode fingers through a plurality of first gaps, and a plurality of second dummy electrodes which extend from the second bus bar to the first bus bar side and have tips which face the tips of the plurality of first electrode fingers through a plurality of second gaps. The plurality of first gaps and the plurality of second gaps are arranged to be inclined to the same side relative to the propagation direction of SAW. When the inclination angles of the first gaps and the second gaps relative to the propagation direction are a first angle &#x3b8;A and a second angle &#x3b8;B, the following are true: 10&#xb0;&#x2264;&#x3b8;A&#x2264;26&#xb0;, and 10&#xb0;&#x2264;&#x3b8;B&#x2264;26&#xb0;.

Acoustic wave element and acoustic wave device using same

In an acoustic wave element of the present invention, a first imaginary line connecting end portions of the plurality of first electrode fingers in the IDT electrode on the second bus bar side and a second imaginary line connecting end portions of the plurality of second electrode fingers in the IDT electrode on the first bus bar side are within ranges of 2 degrees&#x3c;&#x3b8;A&#x2264;10 degrees and 2 degrees&#x3c;&#x3b8;B&#x2264;10 degrees where an angle formed by the first imaginary line and the propagation direction is the first inclination angle &#x3b8;A and an angle formed by the second imaginary line and the propagation direction is the second inclination angle &#x3b8;B.

Acoustic wave element, filter element, and communication device

An image display apparatus configured to zoom display an image to be displayed on a display area has a position specifying unit that specifies a position of an object contained in a displayed image, a position deciding unit that decides a positional relationship between an outer frame of the display area and the position of the object, and a zoom speed changing unit that changes a zoom speed in the zoom display depending on the decided positional relationship.

Image display apparatus, method of controlling image display apparatus, image display program, and computer readable recording medium recording the same

A SAW element has a substrate; an IDT electrode located on an upper surface of the substrate and comprises Al or an alloy containing Al; a first film located on an upper surface of the IDT electrode; and a protective layer which covers the IDT electrode provided with the first film and the portion of the substrate exposed from the IDT electrode, which has a thickness from the upper surface of the substrate larger than a total thickness of the IDT electrode and first film, and which contains a silicon oxide. The first film contains a material which has a larger acoustic impedance than the material (Al or the alloy containing Al) of the IDT electrode and the silicon oxide and which has a slower propagation velocity of an acoustic wave than the material of the IDT electrode and the silicon oxide.

An IDT electrode of a SAW element has a plurality of first dummy electrodes which extend from the first bus bar to the second bus bar side and have tips which face the tips of the plurality of second electrode fingers through a plurality of first gaps, and a plurality of second dummy electrodes which extend from the second bus bar to the first bus bar side and have tips which face the tips of the plurality of first electrode fingers through a plurality of second gaps. The plurality of first gaps and the plurality of second gaps are arranged to be inclined to the same side relative to the propagation direction of SAW. When the inclination angles of the first gaps and the second gaps relative to the propagation direction are a first angle &#x3b8;A and a second angle &#x3b8;B, the following are true: 10&#xb0;&#x2266;&#x3b8;A&#x2266;26&#xb0;, and 10&#xb0;&#x2266;&#x3b8;B&#x2266;26&#xb0;.

An image processing device selects an image in which sharpness of a photographic subject is relatively high compared with sharpness of a background. The image processing device includes a photographic subject detection unit that identifies a photographic subject region on an image, which includes a predetermined photographic subject, by detecting the predetermined photographic subject from the image, a background region identifying unit that identifies a background region on the image, which is other than the photographic subject region, a sharpness identifying unit that identifies sharpness of the photographic subject region and sharpness of the background region, a score calculation unit that calculates a score based on a difference in the sharpness between the photographic subject region and the background region, and a determination unit which determines the image as an optimum image when the score indicates that photographic subject region is clearer than the background region.

Device and method for determining an optimum image

A gesture input device that controls a control device on the basis of a gesture action of a user has a gesture detecting unit that detects a gesture from an image picked up by a camera, a first gesture determining unit that determines that the gesture detected by the gesture detecting unit includes a first gesture, a second gesture determining unit that determines that the gesture detected by the gesture detecting unit includes a second gesture, and a control signal generating unit that sets a period in which the first gesture determining unit determines that the gesture includes the first gesture as a second gesture valid period in which recognition of the second gesture is valid and generates a control signal on the basis of the second gesture when the second gesture determining unit determines that the gesture includes the second gesture in the second gesture valid period.

Gesture input device and method for controlling gesture input device

An SAW filter and a duplexer excellent in electrical characteristics will be provided. An SAW filter has a piezoelectric substrate, a surface acoustic wave elementhaving a first IDT electrodeon the piezoelectric substrate, a first signal lineelectrically connected to the first IDT electrode, and a ring-shaped reference potential linewhich has a first intersecting portion intersecting with the first signal linethrough an insulation memberand surrounds the surface acoustic wave element

Surface acoustic wave filter and duplexer using same

An acoustic wave device has a substrate and adjacent IDT electrodes. One IDT electrode has a signal connecting bus bar at one side in a direction orthogonal to a propagation direction and is connected to a signal line. A ground bus bar is grounded and located at the other side in the orthogonal direction. The other IDT electrode has a signal connecting bus bar which is located at the other side in the orthogonal direction and is connected to a signal line. A ground bus bar is grounded and located at the one side in the orthogonal direction. The acoustic wave device further has a floating member on the substrate, which is located at a space between the ground bus bar of the IDT electrode and the signal connecting bus bar of the IDT electrode and is not connected to the ground bus bar nor the signal connecting bus bar.

Growing community of inventors

Kyoto, Japan

Hiroyuki Tanaka