H04N25/7013

Image capturing device

An image capturing device (1) includes: a microlens array (33) including a plurality of micro condenser lenses (34) arranged at a focal position of an imaging optical system for forming a plurality of erect equal-magnification images; and an imaging unit (31) including light-sensitive pixels (32x) provided at positions corresponding to the micro condenser lenses 34. Micro condenser lenses (34) have refractive powers to condense, among light rays incident from the imaging optical system, light rays incident at an incident angle within a predetermined limited angle range, onto positions different from positions on which light rays incident at an incident angle outside the limited angle range are incident. Effective light-sensitive regions of the light-sensitive pixels (32x) receive only light rays incident at an incident angle within the limited angle range among light rays entered micro condenser lenses (32).

IMAGE CAPTURING DEVICE

An image capturing device (1) includes: a microlens array (33) including a plurality of micro condenser lenses (34) arranged at a focal position of an imaging optical system for forming a plurality of erect equal-magnification images; and an imaging unit (31) including light-sensitive pixels (32x) provided at positions corresponding to the micro condenser lenses 34. Micro condenser lenses (34) have refractive powers to condense, among light rays incident from the imaging optical system, light rays incident at an incident angle within a predetermined limited angle range, onto positions different from positions on which light rays incident at an incident angle outside the limited angle range are incident. Effective light-sensitive regions of the light-sensitive pixels (32x) receive only light rays incident at an incident angle within the limited angle range among light rays entered micro condenser lenses (32).

Methods and apparatus for a light sensor

Various embodiments of the present technology may comprise methods and apparatus for a light sensor with a precharge circuit, such as for charging an internal node of a sensor to a starting voltage equal to an ending voltage of a different sensor. The methods and apparatus may comprise sequentially reading out the voltages of photosensitive elements and selectively activating the precharge circuit of one sensor during readout of the last photosensitive element of a different sensor.

IMAGE READING DEVICE AND SEMICONDUCTOR DEVICE
20180278791 · 2018-09-27 · ·

An image reading chip includes: a first pixel that includes a first photodetector that receives light of a reduced image of a portion of an image and performs photoelectric conversion, and generates a first pixel signal by amplifying a signal generated by the photoelectric conversion; a second pixel that includes a second photodetector that receives light of a reduced image of a portion of the image and performs photoelectric conversion, and generates a second pixel signal by amplifying a signal generated by the photoelectric conversion; and a pseudo pixel that is not involved in reading the image. The first pixel, the second pixel, and the pseudo pixel are arranged along a first side, and the distance between the pseudo pixel and the second side is shorter than the distance between the first pixel and the second side and the distance between the second pixel and the second side.

PHOTOELECTRIC CONVERSION APPARATUS, SENSOR UNIT, AND IMAGE FORMING APPARATUS
20180254298 · 2018-09-06 ·

A photoelectric conversion apparatus is provided. The apparatus comprises a substrate including two light receiving regions in which light receiving devices are arranged; electrode pads arranged on the substrate; and a readout circuit arranged on the substrate and configured to read out signals from the light receiving regions. The electrode pads include an output pad for outputting a signal, and a power supply pad for supplying power to the light receiving regions or the readout circuit. Each of the light receiving regions has a shape in which a first direction is taken as a longitudinal direction, the light receiving regions are arranged along a second direction with an interval therebetween, the second direction intersecting the first direction, and one or more pads of the electrode pads is sandwiched by the light receiving regions in the second direction.

PHOTOELECTRIC CONVERSION DEVICE, DEFECTIVE PIXEL DETERMINING METHOD, IMAGE FORMING APPARATUS, AND RECORDING MEDIUM
20180213124 · 2018-07-26 ·

A photoelectric conversion device includes a photoelectric conversion element to generate an image signal according to an intensity of light being input and circuitry. The circuitry obtains pixel values in dark time, respectively, for at least a first time and a second time. The second time is longer than the first time. The pixel values in dark time represent pixel values obtained when no light is input to the photoelectric conversion element. The circuitry obtains a subtraction between the pixel values for the first time and the pixel values for the second time. The circuitry detects a noise amount based on the subtraction. The circuitry determines at least one pixel having the detected noise amount that is equal to or greater than a predetermined first threshold value, as a defective pixel of the photoelectric conversion element.

Image sensor unit, paper sheet distinguishing apparatus and image reading apparatus
10009555 · 2018-06-26 · ·

An image sensor unit includes a light emitting element, a light guide that has a substantially rod-like shape and shapes light emitted by the light emitting element into a line, a light condenser that focuses light from an illuminated object, an image sensor that detects the light focused by the light condenser, and a frame in which a light guide housing chamber that houses the light guide and an image sensor housing chamber that houses the image sensor are formed. A correction optical path that extends from the light guide to the image sensor without passing through the light condenser is formed in the frame.

Photoelectric conversion device, image reading device, and image forming apparatus
09967488 · 2018-05-08 · ·

A photoelectric conversion device includes a current consumption circuit configured to consume current such that a difference between a current consumption during a blanking period and a current consumption during a standby period is reduced.

IMAGING DEVICES FOR USE WITH ADDITIVE MANUFACTURING SYSTEMS AND METHODS OF IMAGING A BUILD LAYER

An imaging device for an additive manufacturing system is provided. The additive manufacturing system includes a material. The imaging device includes a high resolution imaging bar including at least one detector array, and an imaging element positioned between the at least one detector array and the material. The high resolution imaging bar is displaced from the material along a first direction and extends along a second direction. The high resolution imaging bar is configured to generate an image of a build layer within the material.

IMAGE READER DEVICE, AND SEMICONDUCTOR DEVICE
20180091692 · 2018-03-29 · ·

Each of a plurality of image reader chips included in an image reader device includes: a readout circuit that reads out a pixel signal output from a pixel portion; a transfer interconnect; an output circuit that outputs the pixel signal; a capacitor that is selectively connected between the transfer interconnect and the output circuit; and a constant voltage circuit. The constant voltage circuit is selectively connected to a first terminal of the capacitor via the output circuit.