Abstract: An optical sensor includes an image sensor device that converts an incident-light image into an electric image signal, and a case that hermetically houses the image sensor device. The case has an entrance window that transmits the incident-light image, and a feedthrough allowing an inside and an outside of the case to be electrically conductive to each other. The feedthrough includes an insulating member forming part of the case, a deformation-easing member positioned on an outer side with respect to the insulating member, and a plurality of plate-like conductors each extending through the insulating member and the deformation-easing member. The deformation-easing member is easier to deform than the insulating member.

Abstract: An optical probe includes an optical fiber that rotates around an axis of rotation and that transmits light; an optical connector that is connected to an end face of the optical fiber and that rotates together with the optical fiber; a supporting tube that surrounds the optical fiber and that rotates together with the optical fiber; a jacket tube that covers the supporting tube; an inner shell that is attached to the supporting tube, that surrounds the optical connector around the axis of rotation, and that rotates together with the optical fiber; an outer shell that is attached to the jacket tube and that surrounds the inner shell; and an elastic body that elastically deforms between the inner shell and the outer shell.

Abstract: A liquid crystal display device includes a reflective color filter arranged to intersect with an optical path of light emerging from a principal surface of a light guide plate, and a recycle portion arranged at a side of the light guide plate opposite to the reflective color filter. Out of light incident on the light guide plate, light reflected by the reflective color filter is returned to the reflected color filter again by being reflected by the recycle portion via the light guide plate.

Abstract: An image projection apparatus according to the present invention includes a light source for outputting laser light and a mirror section for reflecting and projecting the laser light having been output from the light source, and displays an image with at least a portion of the projected laser light. The image projection apparatus includes a detection section for detecting at least a portion of the laser light returning from a projection direction of the laser light, and a calculation section for determining an image displayable region based on the detected light. The mirror section reflects at least a portion of the laser light returning from the projection direction of the laser light so as to be led into the detection section.

Abstract: A scan unit according to the present invention is a scan unit including: a reflecting portion for reflecting laser light; and an enclosure portion having a movable object enclosed within a hollow, characterized in that the movable object moves in accordance with an angular velocity of the scan unit, thereby changing a reflecting state of the reflecting portion with respect to the laser light. In one embodiment, the movable object moves in accordance with the angular velocity of the scan unit to cover at least a part of the reflecting portion. In one embodiment, the movable object moves in accordance with the angular velocity of the scan unit to deform the reflecting portion.

Abstract: An optical head device according to the present invention includes: a light source for outputting laser light; an optical system for allowing the laser light to be radiated onto an optical disk medium; and an aberration correction section for correcting an aberration of the laser light. The aberration correction section includes: a plurality of mirror sections for reflecting the laser light; a plurality of mirror driving sections for displacing the plurality of mirror sections; and a detection section for detecting a physical condition within the optical head device.

Abstract: According to the present invention, a stable operation of an actuator is realized. An actuator 1 according to the present invention includes: a movable section 5; a stationary section 10 for supporting the movable section 5; driving electrode portions 8 and 9 for driving the movable section 5; and a repulsion generation section 6 for generating a repulsion acting between the movable section 5 and the stationary section 10. The repulsion generation section 6 is provided at a position of the stationary section 10 opposing the movable section 5. At least a portion of the repulsion generation section 6 opposes an end of the movable section 5 that is located closer to the movable comb electrodes 9 than to hinges 7. By applying the same driving voltage to the movable section 5 and the repulsion generation section 6, a repulsion is generated. The repulsion acts in a direction of suppressing a rotation of the movable section 5 around an axis which is perpendicular to the planar direction of the movable section 5.

Abstract: The present invention is directed to a bi-axial pivoting type actuator having a first movable section, a second movable section supporting the first movable section, and backlining. A first conductive portion and a second conductive portion for independently applying a driving voltage to each of the first movable section and the second movable section are provided on the second movable section, in a state of being split by isolation trenches and being stabilized by the backlining provided under the second movable section. By providing such backlining, mutual stabilization of the first conductive portion and the second conductive portion in an electrically isolated state, and simplification of the production steps for the actuator are realized. By providing a mirror on the first conductive portion of the actuator of the present invention as such, it becomes possible to provide a bi-axial pivoting type mirror device through a simple production process.

Abstract: An image projector according to the present invention includes a first light source that emits visible light and a second light source that emits invisible light and projects the visible light and the invisible light onto a screen. The screen includes a material, at least one of the visible light reflectance, transmittance and absorbance of which changes when irradiated with the invisible light projected. The image projector further includes a modulating section for modulating the intensities of the visible light and invisible light based on an image signal and a control section for controlling the modulating section.

Abstract: An actuator 1 according to the present invention includes: a first movable section 5; a second movable section 6 supporting the first movable section 5; and a stationary section 13 supporting the second movable section 6. The second movable section 6 includes: a first conductive portion 6a for applying a first voltage to the first movable section 5; a second conductive portion 6b to which a second voltage is applied; and backlining 15 for stabilizing the first conductive portion 6a and the second conductive portion 6b to each other in an electrically insulated state. The backlining 15 stabilizes the first conductive portion 6a and the second conductive portion 6b from a face of the actuator 1 opposite from the face on which the mirror section 34 is provided.

Abstract: The present invention is directed to a bi-axial pivoting type actuator having a first movable section, a second movable section supporting the first movable section, and backlining. A first conductive portion and a second conductive portion for independently applying a driving voltage to each of the first movable section and the second movable section are provided on the second movable section, in a state of being split by isolation trenches and being stabilized by the backlining provided under the second movable section. By providing such backlining, mutual stabilization of the first conductive portion and the second conductive portion in an electrically isolated state, and simplification of the production steps for the actuator are realized. By providing a mirror on the first conductive portion of the actuator of the present invention as such, it becomes possible to provide a bi-axial pivoting type mirror device through a simple production process.

Abstract: A wavelength separator is provided with a reflective color filter arranged to intersect with an optical path of light emerging from a principal surface of a light guide plate, and a recycle portion arranged at a side of the light guide plate opposite to the reflective color filter. Out of light incident on the light guide plate, light reflected by the reflective color filter is returned to the reflected color filter again by being reflected by the recycle portion via the light guide plate.

Abstract: A scan unit according to the present invention is a scan unit including: a reflecting portion for reflecting laser light; and an enclosure portion having a movable object enclosed within a hollow, characterized in that the movable object moves in accordance with an angular velocity of the scan unit, thereby changing a reflecting state of the reflecting portion with respect to the laser light. In one embodiment, the movable object moves in accordance with the angular velocity of the scan unit to cover at least a part of the reflecting portion. In one embodiment, the movable object moves in accordance with the angular velocity of the scan unit to deform the reflecting portion.

Abstract: An actuator 1 according to the present invention includes: a first movable section 5; a second movable section 6 supporting the first movable section 5; and a stationary section 13 supporting the second movable section 6. The second movable section 6 includes: a first conductive portion 6a for applying a first voltage to the first movable section 5; a second conductive portion 6b to which a second voltage is applied; and backlining 15 for stabilizing the first conductive portion 6a and the second conductive portion 6b to each other in an electrically insulated state. The backlining 15 stabilizes the first conductive portion 6a and the second conductive portion 6b from a face of the actuator 1 opposite from the face on which the mirror section 34 is provided.

Abstract: An optical head device according to the present invention includes: a light source for outputting laser light; an optical system for allowing the laser light to be radiated onto an optical disk medium; and an aberration correction section for correcting an aberration of the laser light. The aberration correction section includes: a plurality of mirror sections for reflecting the laser light; a plurality of mirror driving sections for displacing the plurality of mirror sections; and a detection section for detecting a physical condition within the optical head device.

Abstract: An image projection apparatus according to the present invention includes a light source for outputting laser light and a mirror section for reflecting and projecting the laser light having been output from the light source, and displays an image with at least a portion of the projected laser light. The image projection apparatus includes a detection section for detecting at least a portion of the laser light returning from a projection direction of the laser light, and a calculation section for determining an image displayable region based on the detected light. The mirror section reflects at least a portion of the laser light returning from the projection direction of the laser light so as to be led into the detection section.

Abstract: An image projector according to the present invention includes a first light source that emits visible light and a second light source that emits invisible light and projects the visible light and the invisible light onto a screen. The screen includes a material, at least one of the visible light reflectance, transmittance and absorbance of which changes when irradiated with the invisible light projected. The image projector further includes a modulating section for modulating the intensities of the visible light and invisible light based on an image signal and a control section for controlling the modulating section.

Abstract: According to the present invention, a stable operation of an actuator is realized. An actuator 1 according to the present invention includes: a movable section 5; a stationary section 10 for supporting the movable section 5; driving electrode portions 8 and 9 for driving the movable section 5; and a repulsion generation section 6 for generating a repulsion acting between the movable section 5 and the stationary section 10. The repulsion generation section 6 is provided at a position of the stationary section 10 opposing the movable section 5. At least a portion of the repulsion generation section 6 opposes an end of the movable section 5 that is located closer to the movable comb electrodes 9 than to hinges 7. By applying the same driving voltage to the movable section 5 and the repulsion generation section 6, a repulsion is generated. The repulsion acts in a direction of suppressing a rotation of the movable section 5 around an axis which is perpendicular to the planar direction of the movable section 5.

Abstract: A comb shaped actuator having off centered electrodes to the fixed electrode and the movable electrode comprise a plurality of electrode finger units containing two fixed electrode fingers next to each other and the movable electrode finger interposed between the two fixed electrode fingers, at least two of the electrode finger units comprising off-centered electrode finger units having the movable electrode finger being off-centered with respect to a central position between the two fixed electrode fingers, the off-centered electrode finger units being located on both sides of a central line dividing the fixed electrode and the movable electrode along the opening into two parts, and directions of off-centering of the both sides being inverse to each other.

Abstract: A comb-shaped actuator comprising a substrate having an opening formed therein; a fixed electrode comprising a fixed electrode base portion provided along an inner side of the opening on the substrate and a plurality of fixed electrode finger groups arranged in parallel with each other in the shape of teeth of a comb throughout a predetermined length on the fixed electrode base portion; a movable electrode located in the opening of the substrate and comprising a movable electrode base portion and a plurality of movable electrode fingers arranged in parallel with each other in the shape of teeth of a comb facing the fixed electrode throughout a predetermined length, the movable electrode being movable by an attracting force generated between the fixed electrode finger and the movable electrode finger subject to a voltage or a magnetic field applied between the movable electrode and the fixed electrode upon arranging the movable electrode fingers and the fixed electrode fingers in an interdigital pattern with a