Abstract: A moiré pattern imaging device includes a light-transmitting film and an optical sensor. The light-transmitting film includes a plurality of microlenses, and a light-incident surface and a light-exit surface opposite to each other. The plurality of microlenses are disposed on the light-incident surface, the light-exit surface or a combination thereof, and the plurality of microlenses are arranged in two dimensions to form a microlens array. The optical sensor includes a photosurface. The photosurface faces the light-exit surface of the light-transmitting film, the photosurface is provided with a plurality of pixels, and the plurality of pixels are arranged in two dimensions to form a pixel array. The microlens array and the pixel array correspondingly form a moiré pattern effect to produce an imaging magnification effect, and the photosurface of the optical sensor senses light and forms a moiré pattern magnification image.

Abstract: A thin proximity sensing device includes a transparent plate and a light sensor. The transparent plate includes a first surface and a second surface. The first surface is provided with a light source and a light entering area. The light source is arranged on the first surface. The second surface is provided with a reflector. The light sensor includes a light receiving area. The light sensor is arranged on the transparent plate. The reflector is capable of correspondingly reflecting specific incident light. The specific incident light refers to light that enters the transparent plate through the light entering area on the first surface after the light emitted by the light source is reflected externally, and is incident to the reflector. After reflected by the reflector, the specific incident light is reflected one or more times within the thickness of the transparent plate and is transmitted to the light sensor.

Abstract: A moiré pattern imaging device includes a light-transmitting film and an optical sensor. The light-transmitting film includes a plurality of microlenses, and a light-incident surface and a light-exit surface opposite to each other. The plurality of microlenses are disposed on the light-incident surface, the light-exit surface or a combination thereof, and the plurality of microlenses are arranged in two dimensions to form a microlens array. The optical sensor includes a photosurface. The photosurface faces the light-exit surface of the light-transmitting film, the photosurface is provided with a plurality of pixels, and the plurality of pixels are arranged in two dimensions to form a pixel array. The microlens array and the pixel array correspondingly form a moiré pattern effect to produce an imaging magnification effect, and the photosurface of the optical sensor senses light and forms a moiré pattern magnification image.

Abstract: A thin proximity sensing device includes a transparent plate and a light sensor. The transparent plate includes a first surface and a second surface. The first surface is provided with a light source and a light entering area. The light source is arranged on the first surface. The second surface is provided with a reflector. The light sensor includes a light receiving area. The light sensor is arranged on the transparent plate. The reflector is capable of correspondingly reflecting specific incident light. The specific incident light refers to light that enters the transparent plate through the light entering area on the first surface after the light emitted by the light source is reflected externally, and is incident to the reflector. After reflected by the reflector, the specific incident light is reflected one or more times within the thickness of the transparent plate and is transmitted to the light sensor.

Abstract: An air-charging unmanned aerial vehicle set is provided, including a charging unmanned aerial vehicle and a functional unmanned aerial vehicle. The charging unmanned aerial vehicle includes a first unmanned aerial vehicle body, a plurality of first propeller units, a rotation stage, a first battery slot and a second battery slot. The first propeller units are disposed on the first unmanned aerial vehicle body. The rotation stage is disposed on the first unmanned aerial vehicle body. The first battery slot and the second battery slot are disposed on the rotation stage. The functional unmanned aerial vehicle includes a second unmanned aerial vehicle body, a plurality of second propeller units, a third battery slot and a battery cover. The second propeller units, the third battery slot and the battery cover are disposed on the second unmanned aerial vehicle body.

Abstract: An air-charging unmanned aerial vehicle set is provided, including a charging unmanned aerial vehicle and a functional unmanned aerial vehicle. The charging unmanned aerial vehicle includes a first unmanned aerial vehicle body, a plurality of first propeller units, a rotation stage, a first battery slot and a second battery slot. The first propeller units are disposed on the first unmanned aerial vehicle body. The rotation stage is disposed on the first unmanned aerial vehicle body. The first battery slot and the second battery slot are disposed on the rotation stage. The functional unmanned aerial vehicle includes a second unmanned aerial vehicle body, a plurality of second propeller units, a third battery slot and a battery cover. The second propeller units, the third battery slot and the battery cover are disposed on the second unmanned aerial vehicle body.

Abstract: An wide-angle imaging lens module satisfies: 0.84<|f1|/f<2.28; 0.52<f2/f<1.26; 0.49<f3/f<1.12; 0.32<|f4|/f<0.70; FOV>100?; and TTL/ImagH<2.80, where f1 denotes a focal length of a first lens, f2 denotes a focal length of a second lens, f3 denotes a focal length of a third lens, f4 denotes a focal length of a fourth lens, f denotes a total system focal length of the wide-angle imaging lens module, FOV denotes a total system field-of-view angle of the wide-angle imaging lens module, TTL denotes a system length of the wide-angle imaging lens module, and ImagH denotes a maximum image height of the wide-angle imaging lens module.

Abstract: An optical touch device using imaging module according the present invention includes a guide light plate, at least a light source, an imaging module, at least a photosensitive unit and a microprocessor; the imaging module has at least an image reflective curved surface to image multiple contact positions to at least a photosensitive unit conveniently to form image information corresponding to the multiple contact positions so as to allow the microprocessor to generate corresponding touch signals; the images at where an object contacts the guide light plate are utilized directly to generate the touch signals instead of detecting attenuation signal of frustrated total internal reflection resulting from the object contacting the guide light plate; due to the light in the guide light plate is employed to conduct the total internal reflection propagation to attain touch control function, components needed in the touch device is reduced and the fabrication cost is saved largely.

Abstract: An imaging zoom lens system includes a first lens group, a second lens group and a third lens group in sequence along an optical axis of the imaging zoom lens. Through designs of structural relationships among the first to third lens groups and relevant optical parameters, the imaging zoom lens system is able to increase a focusing speed at a telephoto end to approach a focusing speed at a wide angle end.

Abstract: An imaging zoom lens system includes a first lens group, a second lens group and a third lens group in sequence along an optical axis of the imaging zoom lens. Through designs of structural relationships among the first to third lens groups and relevant optical parameters, the imaging zoom lens system is able to increase a focusing speed at a telephoto end to approach a focusing speed at a wide angle end.

Abstract: An imaging zoom lens includes a first lens group, a second lens group and a third lens group in sequence along an optical axis of the imaging zoom lens. With the structural relationship of the first to third lens group and relevant optical parameters, the imaging zoom lens may be as miniaturized as possible while maintaining good optical performance.

Abstract: A wide angle optical lens system includes an aperture stop and an optical assembly, the optical assembly includes, in order from the object side to the image side: a first lens element with a negative refractive power; a second lens element with a positive refractive power; a third lens element with a negative refractive power; a fourth lens element with a refractive power; a fifth lens element with a positive refractive power; a sixth lens element with a negative refractive power, wherein a focal length of the wide angle optical lens system is f, a focal length of the fifth lens element is f5, a radius of curvature of an object-side surface of the third lens element is R5, a radius of curvature of an image-side surface of the third lens element is R6, the following conditions are satisfied: 1.0<f/f5<3.8; ?3.5<(R6+R5)/(R6?R5)<0.6.

Abstract: An imaging optical lens assembly includes an aperture stop and an optical assembly, the optical assembly includes, in order from the object side to the image side: a first lens element with a positive refractive power; a second lens element with a refractive power; a third lens element with a refractive power; a fourth lens element with a refractive power; a fifth lens element with a negative refractive power having an image-side surface being convex near an optical axis; wherein the image-side surface of the fifth lens element is formed with at least two inflection points, including a first inflection point and a second inflection point further away from the optical axis, a vertical distance from the first inflection point to the optical axis is Y_inf1, a vertical distance from the second inflection point to the optical axis is Y_inf2, satisfying: 1.7<Y_inf2/Y_inf1<2.1.

Abstract: An optical lens system includes an aperture stop and an optical assembly, the optical assembly includes, in order from an object side to an image side: a first lens element with a positive refractive power; a second lens element with a negative refractive power; a third lens element with a positive refractive power; a fourth lens element with a positive refractive power; a fifth lens element with a negative refractive power; the aperture stop is located between an image-side surface of the first lens element and an object to be photographed. The optical lens system satisfies the following conditions: 0.55<TD/CA52<0.73; 20<Vd3?Vd2<40; 80<FOV<100; and 1.0<TL/ImgH<1.6.

Abstract: An imaging optical lens assembly includes an aperture stop and an optical assembly, the optical assembly includes, in order from the object side to the image side: a first lens element with a positive refractive power; a second lens element with a refractive power; a third lens element with a refractive power; a fourth lens element with a refractive power; a fifth lens element with a negative refractive power having an image-side surface being convex near an optical axis; wherein the image-side surface of the fifth lens element is formed with at least two inflection points, including a first inflection point and a second inflection point further away from the optical axis, a vertical distance from the first inflection point to the optical axis is Y_inf1, a vertical distance from the second inflection point to the optical axis is Y_inf2, satisfying: 1.7<Y_inf2/Y_inf1<2.1.

Abstract: A wide angle optical lens system includes an aperture stop and an optical assembly, the optical assembly includes, in order from the object side to the image side: a first lens element with a negative refractive power; a second lens element with a positive refractive power; a third lens element with a negative refractive power; a fourth lens element with a refractive power; a fifth lens element with a positive refractive power; a sixth lens element with a negative refractive power, wherein a focal length of the wide angle optical lens system is f, a focal length of the fifth lens element is f5, a radius of curvature of an object-side surface of the third lens element is R5, a radius of curvature of an image-side surface of the third lens element is R6, the following conditions are satisfied: 1.0<f/f5<3.8; ?3.5<(R6+R5)/(R6?R5)<0.6.

Abstract: An optical lens system, sequentially arranged from an object side to an image side along an optical axis, includes: a stop, a first lens element with positive refractive power having a convex object-side surface, a second lens element with negative refractive power, a third lens element with positive refractive power having a concave object-side surface and a convex image-side surface, and a fourth lens element with negative refractive power having a concave image-side surface with both being aspheric. Furthermore, the optical lens system satisfies conditions related to increase the field of view and reduce the total length as well as the sensitivity of assembly tolerance of the optical lens system.

Abstract: An optical lens system having a small F number, a wide angle of view, a short total length and a low manufacturing cost, includes, in order from an object side to an image side: a stop; a first lens element with a positive refractive power; a meniscus second lens element with a negative refractive power; a third lens element with a positive refractive power; a fourth lens element with a positive refractive power; a fifth lens element with a negative refractive power, the optical lens system has a focal length of f, the first lens element has a focal length f1, the third lens element has a focal length f3, the fourth lens element has a focal length f4, the fifth lens element has a focal length f5, and they satisfy the conditions: 0.4<f4/f<1.0; ?0.8<f5/f<?0.4; and f1/f<1.2<f3/f.

Abstract: An imaging lens assembly includes a first lens, a second lens, a third lens, a fourth lens and a fifth lens arranged in sequence from an object side to an image side. The first lens has positive refractive power and a convex object-side surface. The second lens has negative refractive power and a concave image-side surface. At least one surface of the image-side surface and an object-side surface of the second lens is aspheric. The third lens has positive refractive power, a concave object-side surface and a convex image-side surface of which at least one surface is aspheric. The fourth lens has positive refractive power, a concave object-side surface and a convex image-side surface of which at least one surface is aspheric. The fifth lens has negative refractive power, a concave object-side surface and a concave image-side surface which are aspheric.

Abstract: An imaging lens apparatus comprises two lenses with refractive function, from the object side to the image side: a first lens which is a positive meniscus lens with a convex object-side surface, an aperture; and a second lens which is a negative meniscus lens with a concave object-side lens. Both surfaces of said first and second lens are aspheric, and the imaging lens apparatus satisfy the following equations: 1.35<N1<1.57; 1.60<N2<1.65; V1?50; V2<30; wherein, N1 is the refractivity of the first lens, N2 is the refractivity of the second lens, V1 is the abbe number of the first lens, and V2 is the abbe number of the second lens.