摘要:
An object of the present invention is to provide: a thin imaging device in which a high image resolution is obtained and in which the resolution does not uniformly vary even when the shooting distance is changed; and a lens array used therein. The present invention relates to an imaging device comprising: a lens array 130 constructed by arranging in parallel a plurality of lens elements having optical power in at least one surface; and an image sensor 110 in which an optical image formed by an optical system having each of the lens elements is received by each of mutually different imaging regions each having a plurality of photoelectric conversion sections so that the optical image is converted into an electric image signal, wherein each lens element and the imaging region corresponding to the lens element constitute an imaging unit, while the imaging units have diverse imaging region areas. The present invention relates also to a lens array used therein.
摘要:
A thin image sensor which is capable of projecting an illuminating light for illuminating an object and has high optical performance is provided. An image sensor (10) includes: a lens array (11) including lens elements (11a) arranged in an array on a plane; an imaging element (13) for converting an optical image into an electrical signal, the imaging element including imaging areas, each of which includes a plurality of photoelectric conversion sections and is operable to receive the optical image; and a light source section (14) for projecting an illuminating light for illuminating an object from which the optical images are to be formed.
摘要:
An imaging apparatus includes an imaging optical system for forming an optical image of an object, the imaging optical system including a focal length adjusting section adjustable a focal length based on an input signal and a plurality of image forming lenses for receiving a light that has transmitted through said focal length adjusting section to form the optical image of the object, and an image sensor for generating an electrical image signal obtained by converting the optical image, wherein a unit is composed of each of the image forming lens and an image taking area on the image sensor having a plurality of light receiving sections for receiving the optical image, and a plurality of units being two-dimensionally arranged, so that it is possible to provide the imaging apparatus with high convenience, which is reduced in thickness, and whose focal length adjustable.
摘要:
There is provided an imaging device which is small in light loss, is operable to suppress an occurrence of a stray light, and is operable to provide an image with a high quality as far as a periphery thereof. The imaging device operable to output an image of an object as an electrical image signal, comprising: a solid-state imaging sensor including pixels which are two dimensionally arranged on a first flat surface and each of which has a photo-electric conversion function; and a lens array including micro lenses two dimensionally arranged on a second flat surface separately provided so as to be parallel to the first flat surface, in which the solid-state imaging sensor includes an imaging area of unit including a plurality of pixels, and each of the micro lenses forms an optical image of the object on a corresponding imaging area of unit and satisfies a predetermined condition, arctan(L/f)≦θ, for a pixel, from among pixels included in an imaging area of unit corresponding to each micro lens, positioned farthest from an optical axis of a corresponding micro lens. Here, θ is a maximum angle of an incident light capable of entering a pixel, f is a focal length of a micro lens, and L is a diameter of a circle circumscribing an imaging area of unit corresponding to one of the micro lenses.
摘要:
There is provided an imaging device which is small in light loss, is operable to suppress an occurrence of a stray light, and is operable to provide an image with a high quality as far as a periphery thereof. The imaging device operable to output an image of an object as an electrical image signal, comprising: a solid-state imaging sensor including pixels which are two dimensionally arranged on a first flat surface and each of which has a photo-electric conversion function; and a lens array including micro lenses two dimensionally arranged on a second flat surface separately provided so as to be parallel to the first flat surface, in which the solid-state imaging sensor includes an imaging area of unit including a plurality of pixels, and each of the micro lenses forms an optical image of the object on a corresponding imaging area of unit and satisfies a predetermined condition, arctan(L/f)≦θ, for a pixel, from among pixels included in an imaging area of unit corresponding to each micro lens, positioned farthest from an optical axis of a corresponding micro lens. Here, θ is a maximum angle of an incident light capable of entering a pixel, f is a focal length of a micro lens, and L is a diameter of a circle circumscribing an imaging area of unit corresponding to one of the micro lenses.
摘要:
A projector system includes a first projection section projecting inputted image information onto a projection target, a laser pointer pointing a predetermined part of an image projected onto a screen 1, an image pick-up section picking up the image in a state pointed by the laser pointer, and a pointed position detecting section detecting the position of the part pointed by the laser pointer on the basis of the image information picked up by the image pick-up section. And a projection lens projects an image on the basis of the position of the part pointed by the laser pointer and detected by the pointed position detecting section and/or in correspondence to the image of the pointed part.
摘要:
A projector system includes a first projection section projecting inputted image information onto a projection target, a laser pointer pointing a predetermined part of an image projected onto a screen 1, an image pick-up section picking up the image in a state pointed by the laser pointer, and a pointed position detecting section detecting the position of the part pointed by the laser pointer on the basis of the image information picked up by the image pick-up section. And a projection lens projects an image on the basis of the position of the part pointed by the laser pointer and detected by the pointed position detecting section and/or in correspondence to the image of the pointed part.
摘要:
A lens barrel includes a fourth lens, a prism, and a sixth lens. The fourth lens receives a light flux incident along a first optical axis. The prism includes a reflecting surface reflecting the light flux passing through the fourth lens to a direction along a second optical axis intersecting with the first optical axis. The sixth lens receives the light flux reflected by the prism. A second group frame includes an opening portion, a prism retaining frame that is arranged in a more inner position than the opening portion and in which the prism is contained, and a plurality of adhesive pockets arranged on an area around the prism retaining frame and being open to the side of the opening portion. Adhesive agent is filled in the adhesive pockets.
摘要:
A lens barrel includes a fourth lens, a prism, and a sixth lens. The fourth lens receives a light flux incident along a first optical axis. The prism includes a reflecting surface reflecting the light flux passing through the fourth lens to a direction along a second optical axis intersecting with the first optical axis. The sixth lens receives the light flux reflected by the prism. A second group frame includes an opening portion, a prism retaining frame that is arranged in a more inner position than the opening portion and in which the prism is contained, and a plurality of adhesive pockets arranged on an area around the prism retaining frame and being open to the side of the opening portion. Adhesive agent is filled in the adhesive pockets.
摘要:
A lens barrel includes a fourth lens, a prism, and a sixth lens. The fourth lens receives a light flux incident along a first optical axis. The prism includes a reflecting surface reflecting the light flux passing through the fourth lens to a direction along a second optical axis intersecting with the first optical axis. The sixth lens receives the light flux reflected by the prism. A second group frame includes an opening portion, a prism retaining frame that is arranged in a more inner position than the opening portion and in which the prism is contained, and a plurality of adhesive pockets arranged on an area around the prism retaining frame and being open to the side of the opening portion. Adhesive agent is filled in the adhesive pockets.