Abstract: An image sensor includes a body module including a refractive power controller that adjusts an application voltage applicable to a liquid lens in a lens module to control a refractive power of the liquid lens, a recognition processor that analyzes, after a preset period elapses from when the refractive power controller changes the application voltage to the liquid lens, image data from an imaging device in an imaging module, and an adjuster that reads first information from a memory in the lens module and second information from a memory in the imaging module and adjusts, based on the first and second information, the preset period to a period corresponding to a combination of the lens module and the imaging device. The first information indicates a specification for or a type of the lens module. The second information indicates a specification for or a type of the imaging device.

Abstract: An image sensor includes an imaging device, an optical system including a liquid lens, a temperature sensor that detects a temperature of the liquid lens, a heater that heats the liquid lens, a temperature adjuster that controls the heater to adjust the temperature of the liquid lens to a predetermined temperature, a nonvolatile memory storing property information about the liquid lens, a refractive power controller that determines, based on a target refractive power and the property information stored in the nonvolatile memory, an application voltage applicable to the liquid lens adjusted to have the predetermined temperature and applies the application voltage to the liquid lens to control a refractive power of the liquid lens to match the target refractive power, and an image processor. The optical system, the nonvolatile memory, and the temperature sensor are disconnectable from a body module including the refractive power controller and the image processor.

Abstract: An image sensor includes an imaging device, an optical system including a liquid lens to form an image of a subject on an imaging surface of the imaging device, and a controller that performs a refractive power control process of adjusting an application voltage applicable to the liquid lens to control a refractive power of the liquid lens, and a recognition process of analyzing image data from the imaging device to recognize predetermined information about the subject. The controller is operable in a plurality of operation modes each with a different wait period from a change in the application voltage to the liquid lens in response to the refractive power control process to a start of the recognition process.

Abstract: A display switching device according to one or more embodiments may include a lens array including an array of a plurality of lenses and a display unit. Light from each of the plurality of light source positions transmits through a different position on the display unit and is focused by a corresponding lens. A transmittance on the display unit through which the light transmits differs depending on a position on the display unit. The transmittance at a position of a plurality of positions on the display unit is a transmittance of one of three or more types.

Abstract: An image sensor includes an imaging device, an optical system including a liquid lens, a temperature sensor that detects a temperature of the liquid lens, a heater that heats the liquid lens, a temperature adjuster that controls the heater to adjust the temperature of the liquid lens to a predetermined temperature, a nonvolatile memory storing property information about the liquid lens, a refractive power controller that determines, based on a target refractive power and the property information stored in the nonvolatile memory, an application voltage applicable to the liquid lens adjusted to have the predetermined temperature and applies the application voltage to the liquid lens to control a refractive power of the liquid lens to match the target refractive power, and an image processor. The optical system, the nonvolatile memory, and the temperature sensor are disconnectable from a body module including the refractive power controller and the image processor.

Abstract: An image sensor includes an imaging device, an optical system including a liquid lens to form an image of a subject on an imaging surface of the imaging device, and a controller that performs a refractive power control process of adjusting an application voltage applicable to the liquid lens to control a refractive power of the liquid lens, and a recognition process of analyzing image data from the imaging device to recognize predetermined information about the subject. The controller is operable in a plurality of operation modes each with a different wait period from a change in the application voltage to the liquid lens in response to the refractive power control process to a start of the recognition process.

Abstract: An image sensor includes a body module including a refractive power controller that adjusts an application voltage applicable to a liquid lens in a lens module to control a refractive power of the liquid lens, a recognition processor that analyzes, after a preset period elapses from when the refractive power controller changes the application voltage to the liquid lens, image data from an imaging device in an imaging module, and an adjuster that reads first information from a memory in the lens module and second information from a memory in the imaging module and adjusts, based on the first and second information, the preset period to a period corresponding to a combination of the lens module and the imaging device. The first information indicates a specification for or a type of the lens module. The second information indicates a specification for or a type of the imaging device.

Abstract: An image sensor includes an optical system including a liquid lens, a nonvolatile memory that stores property information about an amount of change in a refractive power of the liquid lens in response to an application voltage, a temperature sensor that detects a temperature of the liquid lens, and a body module. The optical system, the nonvolatile memory, and the temperature sensor are disconnectable from the body module that includes a controller that performs image processing on image data received from a imaging device and performs liquid lens control for determining the application voltage to be applied to the liquid lens based on the property information stored in the nonvolatile memory, the temperature of the liquid lens detected by the temperature sensor, and a target value for the refractive power of the liquid lens and applying the application voltage to the liquid lens.

Abstract: An optical unit included in an image sensor includes an optical system including at least a liquid lens, a first plastic lens located on an object side of the liquid lens, and a second plastic lens located on an image side of the liquid lens, an electrode to apply a voltage to the liquid lens, and a temperature sensor located near the liquid lens. A controller controls the voltage to be applied from the electrode to the liquid lens in accordance with a temperature measured by the temperature sensor.

Abstract: An appearance inspection system includes a setting part, a movement mechanism, and a control part. The setting part sets a route passing through a plurality of imaging positions in order. The setting part sets the route so that a first time necessary for the movement mechanism to move an imaging device from a first imaging position to a second imaging position among the plurality of imaging positions is longer than a second time necessary for a process of changing a first imaging condition corresponding to the first imaging position to a second imaging condition corresponding to the second imaging position by the control part. The control part starts the process of changing the first imaging condition to the second imaging condition earlier by the second time or more than a scheduled time at which the imaging device arrives at the second imaging position.

Abstract: The disclosure provides an image sensor. A body module of the image sensor acquires specification information of each module from the installed imaging module and lens module, generates shading correction information corresponding to the combination of the installed two modules based on the acquired specification information, and performs shading correction of a content corresponding to the generated shading correction information on image data from the imaging module.

Abstract: An image sensor capable of performing satisfactory distortion aberration correction on an imaging result regardless of a combination of a lens module and an imaging module being used is provided. A main body module of an image sensor acquires size information of an imaging element from a mounted imaging module, acquires distortion aberration characteristic information of an optical system from the mounted lens module, and performs distortion aberration correction using the acquired information.

Abstract: An image sensor capable of performing satisfactory distortion aberration correction on an imaging result, regardless of a combination of a lens module and an imaging module being used, is provided. A main body module of an image sensor acquires form information of each module from an imaging module and a lens module which are mounted thereon, acquires size information indicating a number of pixels and/or a pixel size of an imaging element within the imaging module and distortion aberration characteristic information indicating distortion aberration characteristics of an optical system within the lens module from a predetermined device on the basis of the acquired form information, and performs distortion aberration correction using the acquired information.

Abstract: The disclosure provides a structure for suppressing occurrence of dew condensation on a cover member in an image sensor for industrial use. An image sensor includes an illumination part for illuminating a subject, a lens part for forming an optical image of the subject, an imaging part for generating an image based on the optical image, and a housing for accommodating the illumination part, the lens part, and the imaging part. A light-transmissive cover member covering a front side of the lens part and the illumination part is attached to the housing. A wall member partitioning a space where the lens part is arranged and a space where the illumination part is arranged is provided inside the housing, and the housing has a heat transfer structure for transferring heat generated inside the housing to the cover member.

Abstract: The image sensor includes a body module, and a lens module and an imaging module installed in the body module. The body module includes: a correction part performing shading correction on image data outputted by the imaging module installed in the body module according to the set shading correction information; an acquisition part acquiring information related to a size of an imaging element in the imaging module installed in the body module and acquiring light amount ratio information representing a ratio of a light amount at least two positions on an imaging surface of the imaging element from the lens module installed in the body module; and a generation and setting part generating shading correction information based on the information acquired by the acquisition part and setting the shading correction information to the correction part.

Abstract: The disclosure provides a photoelectric sensor that reliably guides light by a light guide member and is easy to be assembled. A light projecting side light guide part of a light guide member extends in the front-and-rear direction. A light receiving side light guide part extends with at least a part thereof inclined with respect to the front-and-rear direction. A light shielding member includes a fitting part, into which the light projecting side light guide part fits in the front-and-rear direction, and a contact part that is in contact with a base board in the front-and-rear direction.

Abstract: The disclosure provides an image sensor capable of performing a good shading correction on the imaging result regardless of the combination of the used lens module and imaging module. The body module of the image sensor obtains the format information of each module from the attached imaging module and lens module and performs on the image data from the imaging module the shading correction in accordance with the shading correction information associated with the combination of the obtained format information.