Patent application number | Description | Published |
20110026011 | OPTICAL POSITION DETECTION APPARATUS AND DISPLAY APPARATUS HAVING POSITION DETECTION FUNCTION - An apparatus for detecting a position of an object, includes: position detection light sources irradiating light onto the object; a light guide plate having light incident portions receiving the light therein and emitting it onto a detection area to form an intensity distribution of a light emission quantity of the light; a light detector having light receiving portions facing the detection area to receive the light reflected by the object; and a signal processing portion detecting the position of the object based on the intensity distribution; wherein the light guide plate has a plane shape with long-sides and short-sides; the light incident portions and the position detection light sources are installed on corner portions of the light guide plate; and the light incident portions have concavo-convex shapes and provided with deflection incident surfaces for deflecting a portion of the incident light in a direction following the long-sides through refraction. | 02-03-2011 |
20110062316 | SCREEN DEVICE WITH LIGHT RECEIVING ELEMENT AND DISPLAY DEVICE WITH POSITION DETECTION FUNCTION - A screen device with a light receiving element, the screen device being used in a display device with a position detection function, the display device forming an intensity distribution of a position detection light on a screen surface side of a screen member, the screen surface side on which an image is visually recognized, the display device detecting the position of an object located on the screen surface side of the screen member by detecting the position detection light reflected from the object, the screen device includes: a screen device main body provided with the screen member; and a light receiving element which is formed of a photodiode or a phototransistor fixed to the screen device main body and directs a light receiving section in a direction along the screen surface outside a screen surface in a state in which the screen member is spread. | 03-17-2011 |
20110084903 | LIGHT DETECTOR, OPTICAL POSITION DETECTION APPARATUS, AND DISPLAY APPARATUS WITH POSITION DETECTION CAPABILITY - A light detector includes: a light receiving device having a central optical axis and first and second directions perpendicular thereto, the light receiving device detecting incident light; a first light shield provided on a light incident side of the light receiving device and disposed on one side in the first direction with respect to the light receiving device; and a second light shield provided on the light incident side of the light receiving device and disposed on the other side in the first direction with respect to the light receiving device, wherein the first and second light shields form a light incident slit over an angular range including the direction in which the central optical axis of the light receiving device extends, and the width of the slit increases as the angle with respect to the central optical axis of the light receiving device increases. | 04-14-2011 |
20110096030 | OPTICAL POSITION DETECTING DEVICE AND DISPLAY DEVICE WITH POSITION DETECTING FUNCTION - An optical position detecting apparatus for optically detecting a position of a target object in a detection region includes: a light source device for position detection that emits position detection light to the detection region and forms an intensity distribution of the position detection light in the detection region; a photodetector that receives the position detection light reflected on the target object; and a position detecting device that detects the position of the target object on the basis of a light reception result in the photodetector, wherein the light source device for position detection includes: a linear light source unit extending along an outer peripheral edge of the detection region and including a light emitting section that emits the position detection light to the detection region; and a light-source driving unit that drives the linear light source unit. | 04-28-2011 |
20110279361 | OPTICAL DETECTION DEVICE, DISPLAY DEVICE, AND ELECTRONIC APPARATUS - An optical detection device includes: a light source unit that emits source light; a curve-shaped light guide that includes: a light incident surface to which the source light is incident, the light incident surface being located in an end portion of the light guide; and a convex surface from which the source light received by the light incident surface is output; an emitting direction setting unit that receives the source light output from the convex surface of the light guide and sets an emitting direction of emitting light to a direction of a normal line of the convex surface; a light receiving unit that receives reflection light acquired by reflecting the emitting light off an object; and a detection unit that detects at least a direction in which the object is located based on the light reception in the light receiving unit. | 11-17-2011 |
20110291990 | PROJECTION DISPLAY SYSTEM AND ATTACHING DEVICE - A projection display system includes: an image projection device projecting an image on a projection surface; an optical detecting device; and an attaching device, wherein the optical detecting device includes an irradiating section emitting an irradiation light toward a detection region which is set along the projection surface, a light receiving section receiving a reflected light generated as a result of the irradiation light being reflected from the object, and a detecting section detecting position information of the object based on the result of the light received by the light receiving section, and the attaching device includes a first attaching section attached to a support supporting the attaching device, a second attaching section attached to the image projection device, and a third attaching section attached to the optical detecting device. | 12-01-2011 |
20110304591 | POSITION DETECTION DEVICE, ELECTRONIC APPARATUS, AND DISPLAY DEVICE - A display device includes a screen on which an image is displayed, and a position detection device including a light emitting section adapted to emit an irradiation light beam along the screen, a light receiving section adapted to receive a reflected light beam caused by an object reflecting the irradiation light beam, and a detection section adapted to detect position information of the object based on a light reception result of the light receiving section, wherein the position detection device has detection accuracy of the position information of the object varying in accordance with a position of the object in a direction intersecting the screen. | 12-15-2011 |
20120153121 | OPTICAL POSITION DETECTION DEVICE AND APPARATUS WITH POSITION DETECTION FUNCTION - An optical position detection device that detects a position of a target object, includes plural detection light sources that output detection light, alight source drive unit that drives the plural detection light sources, a first light receiving unit that receives the detection light reflected by the target object located in an output space of the detection light, a compensation light source unit that outputs compensation light that enters outside the output space, a second light receiving unit that receives the compensation light, and a position detection unit that detects the position of the target object based on a difference between first received light intensity in the first light receiving unit and second received light intensity in the second light receiving unit. | 06-21-2012 |
20120249418 | OPTICAL POSITION DETECTION DEVICE, OPTICAL POSITION DETECTION SYSTEM, AND DISPLAY SYSTEM WITH INPUT FUNCTION - In an optical position detection device, the XY coordinates of a target object are detected based on received light intensity of a light receiving section by forming a light intensity distribution, in which the intensity changes in a radiation angle range of detection light, with first and second light source modules. The first and second light source modules are separated from each other in the Z-axis direction, and the position of the target object in the Z-axis direction is detected based on the received light intensity of the light receiving section when forming the light intensity distribution in which the intensity is fixed in the radiation angle range of detection light. | 10-04-2012 |
20130002535 | OPTICAL POSITION DETECTION DEVICE AND DISPLAY SYSTEM WITH INPUT FUNCTION - In an optical position detection device, when emitting the detection light from the light source section, the light receiving section receives the reflected light from the target object with the first light receiving element and the second light receiving element. The first light receiving element and the second light receiving element are arranged to have the intersection angle greater than 90° and smaller than 180°, the intersection angle being formed between the normal direction with respect to the light receiving surface of the first light receiving element and the normal direction with respect to the light receiving surface of the second light receiving element. | 01-03-2013 |
20130016067 | POSITION DETECTION SYSTEM AND DISPLAY SYSTEM WITH INPUT FUNCTIONAANM YOSHIDA; KazukiAACI SuwaAACO JPAAGP YOSHIDA; Kazuki Suwa JPAANM ONISHI; YasunoriAACI ShiojiriAACO JPAAGP ONISHI; Yasunori Shiojiri JPAANM KIYOSE; KanechikaAACI MatsumotoAACO JPAAGP KIYOSE; Kanechika Matsumoto JP - In a position detection system, a retroreflection portion is provided on an outer peripheral surface of a designating member. Alight source unit emits detection light along an imaginary plane parallel to a reference surface. A light receiving element is arranged on one side in a Z-axis direction from the imaginary surface in such a way that a direction of a normal light to a light receiving surface intersects with the reference surface. When a distance between the designating member and the light source unit is long, light reflected by the retroreflection portion becomes incident more efficiently on the light receiving surface of the light receiving element than when the distance is short. | 01-17-2013 |
20130261465 | ULTRASONIC PROBE, ELECTRONIC INSTRUMENT, AND ULTRASONIC DIAGNOSTIC DEVICE - An ultrasonic probe includes an element chip, a flexible wiring member and a control circuit. The element chip includes a substrate forming a plurality of openings arranged in an array pattern and a plurality of ultrasonic transducer elements disposed at the openings. The flexible wiring member is connected to the element chip, and forming at least a part of an annular body surrounding a space. The control circuit is connected to the flexible wiring member and electrically connected to the ultrasonic transducer elements via the flexible wiring member. | 10-03-2013 |
20130338502 | ULTRASONIC TRANSDUCER ELEMENT PACKAGE, ULTRASONIC TRANSDUCER ELEMENT CHIP, PROBE, PROBE HEAD, ELECTRONIC DEVICE, ULTRASONIC DIAGNOSTIC APPARATUS, AND METHOD FOR PRODUCING ULTRASONIC TRANSDUCER ELEMENT PACKAGE - An ultrasonic transducer element package includes a first substrate, a second substrate, a support body, and first and second ultrasonic transducers. The first substrate has first and second openings that are aligned in a first direction. The second substrate has a third and fourth openings that are aligned in the first direction. The support body supports the first and second substrates. The first and second substrates are aligned in a second direction that intersects with the first direction, with a space therebetween. The first and Second ultrasonic transducer elements are configured at the first and second openings respectively. | 12-19-2013 |
20130338507 | ULTRASONIC TRANSDUCER ELEMENT UNIT, PROBE, PROBE HEAD, ELECTRONIC DEVICE, AND ULTRASONIC DIAGNOSTIC DEVICE - An ultrasonic transducer element unit includes a substrate, a first ultrasonic transducer element, and a projecting portion. The substrate includes openings being arranged in an array pattern and a main surface. The first ultrasonic transducer element is configured at a first opening of the openings on the main surface of the substrate and has a first height in a vertical direction from the main surface. The projecting portion is configured not to overlap with the first ultrasonic transducer element in a planar view in a thickness direction of the substrate on the main surface and having a second height which is greater than the first height in the vertical direction. | 12-19-2013 |
20140103781 | ULTRASONIC TRANSDUCER DEVICE, PROBE HEAD, ULTRASONIC PROBE, ELECTRONIC MACHINE AND ULTRASONIC DIAGNOSTIC APPARATUS - An ultrasonic transducer device includes a substrate on which a plurality of openings are arranged; a plurality of ultrasonic transducer elements, each of the ultrasonic transducer elements being provided to each of the openings of the plurality of openings, on a first surface of the substrate; and a member fixed to a second surface of the substrate, which is a surface on the opposite side of the first surface of the substrate. Provided to the member are a plurality of first groove sections, and a second groove section for bundling together the plurality of the first groove sections. | 04-17-2014 |
20140208853 | ULTRASONIC DEVICE, ULTRASONIC PROBE, ELECTRONIC EQUIPMENT, AND ULTRASONIC IMAGING APPARATUS - Provided is an ultrasonic device including: an ultrasonic element array substrate having a plurality of ultrasonic elements that each include a piezoelectric body; an acoustic lens secured via an acoustic matching layer to a surface, formed with the ultrasonic elements, of the ultrasonic element array substrate; and a support member secured to a surface, opposite to the surface formed with the ultrasonic elements, of the ultrasonic element array substrate, wherein the support member is formed to have a larger area, in plan view in the thickness direction of the ultrasonic element array substrate, and a higher bending stiffness than the ultrasonic element array substrate, and the acoustic lens is formed to have a lower bending stiffness than the ultrasonic element array substrate. The above-described ultrasonic device further includes an acoustic matching layer filled between the ultrasonic element array substrate and the acoustic lens. | 07-31-2014 |