Abstract: A monitoring device includes: an instruction unit configured to instruct a vehicle to acquire appearance data of a monitoring object designated by a user; a detection unit configured to receive the appearance data from the vehicle and to detect whether a state of the monitoring object has changed based on the appearance data; and a monitoring result notifying unit configured to notify the user of a monitoring result of the monitoring object when the detection unit detects that the state of the monitoring object has changed.

Abstract: The vibration substrate having a main surface extending parallel to a first direction and a second direction that are orthogonal to each other, and that includes a main body region having a vibrating portion at least in a part thereof and at least one holding region arranged side by side with the main body region along the first direction. The at least one holding region including a holding portion and a beam portion connecting the holding portion and the main body region. The beam portion includes a first arm portion extending from the holding portion along the first direction, a second arm portion extending along the second direction from an end portion of the first arm portion on a side thereof opposite to the holding portion, and a connection portion connecting the second arm portion and the main body region.

Abstract: Provided is optical glass in which a refractive index nd is 1.950 or more, an amount of P2O5 is 10.0 to 40.0 mass %, an amount of TiO2 is 5.0 to 40.0 mass %, an amount of Nb2O5 is 20.0 to 60.0 mass %, an amount of Bi2O3 is 20.0 mass % or less, a total amount of Al2O3 and SiO2 [Al2O3+SiO2] is 2.0 mass % or less, a total amount of Li2O, Na2O, and K2O [Li2O+Na2O+K2O] is 5.0 mass % or less, and a total amount of ZnO, SrO, and BaO [ZnO+SrO+BaO] is 0.01 to 12.0 mass %.

Abstract: Provided is optical glass in which a refractive index nd is 1.900 or more, an Abbe number vd is 25.0 or less, an amount of P2O5 is 5.0 mass % or more, an amount of Bi2O3 is 20.0 mass % or less, an amount of TiO2 is 0.1 mass % or more, a mass ratio [TiO2/(Li2O+Na2O+K2O)] between the amount of TiO2, and a total amount of Li2O, Na2O, and K2O [Li2O+Na2O+K2O] is 2.5 to 10.0, a mass ratio [TiO2/(MgO+CaO+ZnO+SrO+BaO)] between the amount of TiO2 and a total amount of MgO, CaO, ZnO, SrO, and BaO [MgO+CaO+ZnO+SrO+BaO] is 1.25 to 10.0, and a mass ratio [(Li2O+Na2O+MgO+CaO+ZnO+SrO)/(K2O+BaO)] between a total amount of Li2O, Na2O, MgO, CaO, ZnO, and SrO [Li2O+Na2O+MgO+CaO+ZnO+SrO] and a total amount of K2O and BaO [K2O+BaO] is 0.8 or less.

Abstract: Provided is optical glass in which an amount of P2O5 is 10.0 to 40.0 mass %, an amount of TiO2 is 5.0 to 40.0 mass %, an amount of Nb2O5 is 20.0 to 60.0 mass %, an amount of K2O is 0.01 mass % or more, a total amount of Li2O, Na2O, K2O, MgO, CaO, ZnO, SrO, and BaO [Li2O+Na2O+K2O+MgO+CaO+ZnO+SrO+BaO] is 20.0 mass % or less, a total amount of TiO2 and Nb2O5[TiO2+Nb2O5] is 55.0 mass % or more, a mass ratio [K2O/(Li2O+Na2O+K2O)] between the amount of K2O, and a total amount of Li2O, Na2O, and K2O [Li2O+Na2O+K2O] is 0.5 or more, a mass ratio [(MgO+CaO+ZnO+SrO+BaO)/(Li2O+Na2O+K2O)] between a total amount of MgO, CaO, ZnO, SrO, and BaO [MgO+CaO+ZnO+SrO+BaO], and the total amount of Li2O, Na2O, and K2O [Li2O+Na2O+K2O] is 0.30 to 10.0, a mass ratio [TiO2/K2O] between the amount of TiO2 and the amount of K2O is 3.0 or more, and a mass ratio [(Li2O+Na2O+MgO+CaO+ZnO+SrO)/(K2O+BaO)] between a total amount of Li2O, Na2O, MgO, CaO, ZnO, and SrO [Li2O+Na2O+MgO+CaO+ZnO+SrO], and a total amount of K2O and BaO [K2O+BaO] is 0.

Abstract: To provide an optical glass having a high refractive index and a relatively low specific gravity, and an optical element. An optical glass which is a SiO2—TiO2—Nb2O5-based glass, and in which the content of SiO2 is 10% by mass or greater, the total content of Na2O, K2O, and Cs2O(Na2O+K2O+Cs2O) is 11.0% by mass or less, and the specific gravity and the refractive index nd thereof satisfy formula (1). nd?0.2×specific gravity+1.

Abstract: A piezoelectric vibration element includes a piezoelectric piece having a main surface; an excitation electrode disposed on the main surface of the piezoelectric piece; and a connection electrode disposed on the main surface of the piezoelectric piece and electrically connected to the excitation electrode, wherein when the main surface of the piezoelectric piece is viewed in a plan, the piezoelectric piece has a through-hole in an area between the excitation electrode and the connection electrode, and wherein an internal wall of the through-hole located closer to the excitation electrode has at least four slopes.

Abstract: The vibration substrate having a main surface extending parallel to a first direction and a second direction that are orthogonal to each other, and that includes a main body region having a vibrating portion at least in a part thereof and at least one holding region arranged side by side with the main body region along the first direction. The at least one holding region including a holding portion and a beam portion connecting the holding portion and the main body region. The beam portion includes a first arm portion extending from the holding portion along the first direction, a second arm portion extending along the second direction from an end portion of the first arm portion on a side thereof opposite to the holding portion, and a connection portion connecting the second arm portion and the main body region.

Abstract: Provided is a piston ring for an internal combustion engine capable of preventing aluminum cohesion for a long time under conditions with high temperature and a high load and also suppressing the wearing of a piston member. A piston ring 1 for the internal combustion engine including a piston ring body 11 having at least one of an upper side face and a lower side face coated with an aluminum cohesion resistance film 12, wherein the aluminum cohesion resistance film 12 has a first coating film 12a made of first ceramics material formed on the piston ring body and a second coating film having Vickers hardness HV smaller than that of the first ceramics material formed on the first coating film 12a.

Abstract: A piston ring having a resin-based film covering at least one of the upper and lower sides, wherein the resin-based film contains a fibrous filler with a mean fiber diameter of 50 to 500 nm and an aspect ratio of 30 to 500, wherein the fibrous filler in the resin-based film to align roughly parallel to the film surface.

Abstract: Provided is a piston ring for an internal combustion engine capable of preventing aluminum cohesion for a long time under conditions with high temperature and a high load and also suppressing the wearing of a piston member. A piston ring 1 for the internal combustion engine including a piston ring body 11 having at least one of an upper side face and a lower side face coated with an aluminum cohesion resistance film 12, wherein the aluminum cohesion resistance film 12 has a first coating film 12a made of first ceramics material formed on the piston ring body and a second coating film having Vickers hardness HV smaller than that of the first ceramics material formed on the first coating film 12a.

Abstract: Provided is a piston ring for an internal combustion engine capable of preventing aluminum cohesion for a long time under conditions with high temperature and a high load and also suppressing the wearing of a piston member. A piston ring 1 for the internal combustion engine including a piston ring body 11 having at least one of an upper side face and a lower side face coated with an aluminum cohesion resistance film 12, wherein the aluminum cohesion resistance film 12 has a first coating film 12a made of first ceramics material formed on the piston ring body and a second coating film having Vickers hardness HV smaller than that of the first ceramics material formed on the first coating film 12a.

Abstract: Disclosed is a piston ring that, in an engine where high temperature is reached in the vicinity of the piston ring, is capable of sustaining an excellent effect of preventing aluminum cohesion over a prolonged period of time. The piston ring having a resin-based coating formed on at least one of an upper surface and a lower surface of a piston ring body, the resin-based coating including a first resin-based coating containing plate-like filler having a mean particle diameter of 2 ?m to 20 ?m and an aspect ratio of 20 to 200 and a second resin-based coating located under the first resin-based coating and containing hard particles having a mean particle diameter of 0.01 ?m to 1 ?m.

Abstract: An object of the present invention is to provide a piston ring for an internal combustion engine capable of preventing aluminum cohesion for a long time under high temperature and high load conditions. Specifically, a piston ring 1 for the internal combustion engine including a piston ring base material 11 coated with an aluminum cohesion resistant film 12, wherein the aluminum cohesion resistant film 12 is made of ceramics coated on at least one of an upper side face 11a and a lower side face 11b of the piston ring base material 11.

Abstract: Disclosed is a piston ring that, in an engine where high temperature is reached in the vicinity of the piston ring, is capable of sustaining an excellent effect of preventing aluminum cohesion over a prolonged period of time. The piston ring having a resin-based coating formed on at least one of an upper surface and a lower surface of a piston ring body, the resin-based coating including a first resin-based coating containing plate-like filler having a mean particle diameter of 2 ?m to 20 ?m and an aspect ratio of 20 to 200 and a second resin-based coating located under the first resin-based coating and containing hard particles having a mean particle diameter of 0.01 ?m to 1 ?m.

Abstract: A piston ring that can maintain an excellent aluminum adhesion prevention effect over a long period in a high output engine is provided. One aspect of a piston ring according to the present invention is a piston ring in which at least one of upper and lower surfaces is covered with a resin-based film containing a plate-like filler, wherein the plate-like filler contains at least one of a group selected from alumina, silicon carbide, silicon nitride, and boron nitride.

Abstract: A piston ring which can sustain a superior effect of preventing aluminum cohesion for a long time in a high output engine is provided. At least one of the upper and lower side faces of a piston ring is coated with a polyimide film having hard particles dispersed therein. Employed as the hard particles may be alumina, zirconia, silicon carbide, silicon nitride, cubic boron nitride, or diamond. The hard particles are to be 0.01 to 5 ?m in average particle diameter, and the film is 2 to 30 ?m in thickness.

Abstract: An object of the present invention is to provide a piston ring for an internal combustion engine capable of preventing aluminum cohesion for a long time under high temperature and high load conditions. Specifically, a piston ring 1 for the internal combustion engine including a piston ring base material 11 coated with an aluminum cohesion resistant film 12, wherein the aluminum cohesion resistant film 12 is made of ceramics coated on at least one of an upper side face 11a and a lower side face 11b of the piston ring base material 11.

Abstract: A call device includes a processor configured to detect a specific language phonation of a user for the call device during a call, sample a frequency characteristic of a voice of an intended party, and modify the frequency characteristic of the voice of the intended party depending on detection of the phonation based on the frequency characteristic sampled from the voice of the intended party.

Abstract: [OBJECT] To provide a piston ring which, when used in a high-output engine, can sustain an excellent effect of suppressing aluminum adhesion, over a long period. [SOLUTION MEANS] Either or both the upper and lower sides of the piston ring are covered with a resin-based film containing a fibrous filler with a mean fiber diameter of 50 to 500 nm and an aspect ratio of 30 to 500. The fibrous filler content is 0.5 to 10 vol % with respect to the total resin-based film. Also, the fibrous filler used is at least one type from among carbon fibers, silica fibers and boron nitride fibers.