Abstract: A robot having a leg mechanism having high rigidity, so as to enable moving on wheels, on the leveled ground, and also moving on the bipedalism, on the unleveled ground, and also enabling to execute exchanging between the wheel running and the bipedalism in a short time, comprising: a body; and left and right leg portions in lower portion of the body, wherein each leg portion has a wheel, which can be drive, at a tip thereof, and a supporting portion, which is movable in roll and pitch directions, the each leg portion has three (3) degrees of freedom, roll, pitch and pitch from the body side, and the supporting portion has at least two (2) of contact points to be in contact with a ground, and makes up a stable region by a contact point of the wheel and the contact point of the supporting body, and thereby oscillating the left and right leg portions, alternately, so as to make bipedalism, and further operating the supporting body, so as to run on the wheels.

Abstract: Described herein is a robot having a camera mount that is movable along a curved surface of an upper part of the head, on a front side thereof, and two units of cameras that are mounted in the camera mount. The cameras are disposed such that the cameras are laterally separated from each other at an interval substantially equivalent to a lateral width of the head, respective extremities of the cameras are substantially flush with the front end of the head, and the cameras are positioned in close proximity of the upper end of the robot.

Abstract: An optical device includes a movable portion and a fixed portion having a first light reflection portion. The movable portion has a second light reflection portion facing the first light reflection portion with a first gap. The first and second light reflection portions are configured to reflect light repeatedly between the first and second light reflection portions so as to cause interference and emit light having a wavelength corresponding to a size of the first gap. The optical device includes a first drive electrode portion facing a surface of the movable portion near the first light reflection portion with a second gap between the movable portion and the first drive electrode portion. The optical device has a second drive electrode portion facing another surface of the movable portion with a third gap between the movable portion and the second drive electrode portion.

Abstract: An optical device includes a movable portion and a fixed portion having a first light reflection portion. The movable portion has a second light reflection portion facing the first light reflection portion with a first gap. The first and second light reflection portions are configured to reflect light repeatedly between the first and second light reflection portions so as to cause interference and emit light having a wavelength corresponding to a size of the first gap. The optical device also includes a first electrode portion fixed to the fixed portion so as to face a surface of the movable portion near the first light reflection portion with a second gap between the movable portion and the first electrode portion. The optical device has a second electrode portion fixed to the fixed portion so as to face another surface of the movable portion with a third gap between the movable portion and the second electrode portion.

Abstract: An optical tunable filter has a fixed substrate having a first recess formed therein and a movable substrate bonded to the fixed substrate. The movable substrate includes a movable portion having an opening formed at a location facing the first recess and a support portion for supporting the movable portion so that the movable portion can be displaced. The optical tunable filter also has a light-transmittable substrate bonded to the movable portion, a fixed reflection film formed on a bottom of the first recess, and a movable reflection film formed on a surface of the light-transmittable substrate. The optical tunable filter includes an interference gap formed between the fixed reflection film and the movable reflection film. The optical tunable filter also includes an actuator operable to displace the movable portion relative to the fixed substrate.

Abstract: To provide a robot whose degree of freedom of design is not limited, and which has simple structure and further reduces load of an actuator of a neck part, the present invention provides a robot at least including a head part, a body part, and a neck link which connects the head part and the body part, wherein a surrounding object distance measurement means is provided adjacently to the neck link and in an upper portion of the body part between the head part and the body part, and a distance scanning field of the surrounding object distance measurement means is provided in parallel with a horizontal plane.

Abstract: There is provided a high-speed and stable robot apparatus realizing stable walking by surely grounding legs having wheels even on an irregular ground surface. The mobile robot includes a body having a control device and an inclination angle detecting device which detects an inclination angle and an angular velocity, and the plurality of legs each having a thigh part and a lower limb part. The thigh part is rotatable around an X-axis, which is a front direction with respect to the body, and around a Y-axis which is a side surface direction with respect to the body. The robot comprises wheels rotatable around the Y-axis and movable supporting parts rotatable around the Y-axis and capable of being grounded on a road surface, which are provided on lower portions of the lower limb parts.

Abstract: An optical tunable filter is provided including a first substrate having light transmission properties and having a movable part and a supporting member that movably supports the movable part and having a smaller thickness than the movable part, a second substrate having light transmission properties and opposed to the first substrate, a first gap and a second gap provided between the movable part and the second substrate, an interference part causing interference between the movable part and the second substrate through the second gap and a drive member changing an interval of the second gap by moving the movable part to the second substrate by making use of the first gap.

Abstract: A tunable filter including; a fixed substrate provided with a fixed reflecting film and capable of transmitting light having a shorter wavelength than infrared light; a movable substrate provided with a movable section equipped with a movable reflecting film and disposed to the fixed substrate so that the movable reflecting film and the fixed reflecting film faces each other with a predetermined length of gap; and a drive section for varying the length of the gap by displacing the movable section with respect to the fixed substrate, wherein light entering the gap from the outside is repeatedly reflected by the movable reflecting film and the fixed reflecting film for outputting light having a wavelength corresponding to the length of the gap, and the movable section is provided, at an area to which the movable reflecting film is disposed, with a light transmitting section capable of transmitting light having a shorter wavelength than infrared light and for inputting/outputting light from/to the outside.

Abstract: An optical device includes a movable portion and a fixed portion having a first light reflection portion. The movable portion has a second light reflection portion facing the first light reflection portion with a first gap. The first and second light reflection portions are configured to reflect light repeatedly between the first and second light reflection portions so as to cause interference and emit light having a wavelength corresponding to a size of the first gap. The optical device includes a first drive electrode portion facing a surface of the movable portion near the first light reflection portion with a second gap between the movable portion and the first drive electrode portion. The optical device has a second drive electrode portion facing another surface of the movable portion with a third gap between the movable portion and the second drive electrode portion.

Abstract: An adapted to output video signals reproduced from an optical disk and audio signals of two languages selected in advance, enabling dubbing of the video signals and two language audio signals on another recording medium.

Abstract: An optical device includes a movable portion and a fixed portion having a first light reflection portion. The movable portion has a second light reflection portion facing the first light reflection portion with a first gap. The first and second light reflection portions are configured to reflect light repeatedly between the first and second light reflection portions so as to cause interference and emit light having a wavelength corresponding to a size of the first gap. The optical device also includes a first electrode portion fixed to the fixed portion so as to face a surface of the movable portion near the first light reflection portion with a second gap between the movable portion and the first electrode portion. The optical device has a second electrode portion fixed to the fixed portion so as to face another surface of the movable portion with a third gap between the movable portion and the second electrode portion.

Abstract: An optical tunable filter includes a first substrate 3 having a light transmitting property which includes a movable portion 31, a second substrate 20 having a light transmitting property which is provided so as to be opposed to the first substrate, a first gap 21 and a second gap 22 which are respectively provided between the movable portion 31 and the second substrate 20, an interference portion which causes interference of incident light between the movable portion 31 and the second substrate 20 through the second gap 22, and a driving portion which changes a distance of the second gap 22 by displacing the movable portion 31 with respect to the second substrate 20 using the first gap 21. This makes it possible to provide an optical tunable filter having a simpler structure and a smaller size, which can be manufactured through a simplified manufacturing process without using a release hole and can achieve stable driving of a movable portion, and a method for manufacturing such an optical tunable filter.

Abstract: An optical tunable filter has a fixed substrate having a first recess formed therein and a movable substrate bonded to the fixed substrate. The movable substrate includes a movable portion having an opening formed at a location facing the first recess and a support portion for supporting the movable portion so that the movable portion can be displaced. The optical tunable filter also has a light-transmittable substrate bonded to the movable portion, a fixed reflection film formed on a bottom of the first recess, and a movable reflection film formed on a surface of the light-transmittable substrate. The optical tunable filter includes an interference gap formed between the fixed reflection film and the movable reflection film. The optical tunable filter also includes an actuator operable to displace the movable portion relative to the fixed substrate.

Abstract: A mobile robot has a mobile mechanism, a swing mechanism and a control unit. The mobile mechanism is of a coaxial two-wheeled type and controls a forward thrust using inverted pendulum control. The swing mechanism actively swings an upper body laterally with respect to the mobile mechanism. A centrifugal force and a gravitational force act on a center of gravity of the mobile robot. A swing attitude is controlled such that a location of intersection of an extension of a composite vector of the forces acting on the center of gravity of the mobile robot and a ground plane of wheels is kept between left and right wheels.

Abstract: A trench gate semiconductor device, which can improve the difficulty of channel inversion to thereby improve the switching characteristics as maintaining the effect of suppression of short-channel effects and the high dielectric voltage characteristic between the gate and the drain. The trench gate semiconductor device includes a gate electrode (18) buried in a trench (14) formed in an Si substrate (12) through a gate insulating film (16), and a source/drain diffusion layer (20) formed in a surface region of the Si substrate (12) on the opposite sides of the trench (14). In this trench gate semiconductor device, the corner portions (14a) and (14b) formed by the side walls and the bottom wall of the trench (14) are rounded so as to form concave surfaces concaved inward of the trench (14).

Abstract: A tunable filter including; a fixed substrate provided with a fixed reflecting film and capable of transmitting light having a shorter wavelength than infrared light; a movable substrate provided with a movable section equipped with a movable reflecting film and disposed to the fixed substrate so that the movable reflecting film and the fixed reflecting film faces each other with a predetermined length of gap; and a drive section for varying the length of the gap by displacing the movable section with respect to the fixed substrate, wherein light entering the gap from the outside is repeatedly reflected by the movable reflecting film and the fixed reflecting film for outputting light having a wavelength corresponding to the length of the gap, and the movable section is provided, at an area to which the movable reflecting film is disposed, with a light transmitting section capable of transmitting light having a shorter wavelength than infrared light and for inputting/outputting light from/to the outside.

Abstract: An optical tunable filter is provided including a first substrate having light transmission properties and having a movable part and a supporting member that movably supports the movable part and having a smaller thickness than the movable part, a second substrate having light transmission properties and opposed to the first substrate, a first gap and a second gap provided between the movable part and the second substrate, an interference part causing interference between the movable part and the second substrate through the second gap and a drive member changing an interval of the second gap by moving the movable part to the second substrate by making use of the first gap.

Abstract: An optical tunable filter includes a first substrate 3 having a light transmitting property which includes a movable portion 31, a second substrate 20 having a light transmitting property which is provided so as to be opposed to the first substrate, a first gap 21 and a second gap 22 which are respectively provided between the movable portion 31 and the second substrate 20, an interference portion which causes interference of incident light between the movable portion 31 and the second substrate 20 through the second gap 22, and a driving portion which changes a distance of the second gap 22 by displacing the movable portion 31 with respect to the second substrate 20 using the first gap 21. This makes it possible to provide an optical tunable filter having a simpler structure and a smaller size, which can be manufactured through a simplified manufacturing process without using a release hole and can achieve stable driving of a movable portion, and a method for manufacturing such an optical tunable filter.

Abstract: A tunable optical filter is provided by joining a movable unit that supports a movable body moving up and down freely, and whose top surface has a highly reflective film formed thereon, a drive electrode unit in which a drive electrode facing the movable body with an electrostatic gap EG therebetween is formed, and an optical gap unit in which a highly reflective film facing the highly reflective film with an optical gap OG therebetween is formed.