The apparatus may include a microprocessor. In electronic communication with the microprocessor there may be a memory cell. In electronic communication with the microprocessor there may be a light source circuit. In electronic communication with the microprocessor there may be a camera circuit. In electronic communication with the microprocessor there may be a nano light-emitting diode display circuit. Stored in the memory cell there may be image-processing instructions. Stored in the memory cell there may be light-source control instructions. The memory cell; the light source circuit; the camera circuit; and the nano light-emitting diode display circuit may be embedded in an information card. The instructions may be configured to cause the microprocessor to count objects set in motion by a user. The motion may be a motion of manually flicked objects.

The apparatus may include a microprocessor. In electronic communication with the microprocessor there may be a memory cell. In electronic communication with the microprocessor there may be a light source circuit. In electronic communication with the microprocessor there may be a camera circuit. In electronic communication with the microprocessor there may be a nano light-emitting diode display circuit. Stored in the memory cell there may be image-processing instructions. Stored in the memory cell there may be light-source control instructions. The memory cell; the light source circuit; the camera circuit; and the nano light-emitting diode display circuit may be embedded in an information card. The instructions may be configured to cause the microprocessor to count objects set in motion by a user. The motion may be a motion of manually flicked objects.

A reflective member is disposed on the optical path from the linear light source to the lens array. An ultraviolet light blocking filter is provided closer to a light-receiving unit than the reflective member. A color filter is provided closer to the light-receiving unit than the ultraviolet light blocking filter. A light-receiving surface of the light-receiving unit has a first region opposed to the reflective member without the ultraviolet light blocking filter and the color filter interposed therebetween, a second region opposed to the reflective member and the ultraviolet light blocking filter without the color filter interposed therebetween, and a third region opposed to the reflective member, the ultraviolet light blocking filter, and the color filter.

A device for verifying a machine-readable security feature of a document of value, having: a transport device configured to transport the document on a transport plane, a radiation emitter that is arranged on a first flat side and emits radiation in the direction towards the first flat side, a sensor that is arranged on the first flat side and is configured to receive at least part of the luminescent radiation, a reflector arranged and configured on the second flat side-so as to at least partly reflect the luminescent radiation of the security feature of the document of value to the sensor, and an evaluation unit.

A device for verifying a machine-readable security feature of a document of value, having: a transport device configured to transport the document on a transport plane, a radiation emitter that is arranged on a first flat side and emits radiation in the direction towards the first flat side, a sensor that is arranged on the first flat side and is configured to receive at least part of the luminescent radiation, a reflector arranged and configured on the second flat side-so as to at least partly reflect the luminescent radiation of the security feature of the document of value to the sensor, and an evaluation unit.

Provided are a detection method, a detection apparatus and a detection process. The detection method includes: using a sensor for idle scanning to obtain a first output electrical signal, and performing feedback correction on the first output electrical signal to eliminate a noise to obtain first correction data; using the sensor to scan a correction specimen page to obtain a second output electrical signal, and performing the feedback correction on the second output electrical signal to eliminate a noise to obtain second correction data; calculating according to the first correction data, the second correction data and an electrical signal predetermined value to obtain third correction data; using the sensor to scan a to-be-detected object to obtain a third output electrical signal; and correcting the third output electrical signal according to the first correction data and the third correction data. In the detection method obtains an accurate detection result.

Provided is an image sensor lighting unit including at least one light guide extending in a main scanning direction; a first light source group facing a first end surface of at least two end surfaces of the at least one light guide in the main scanning direction; and a second light source group facing a second end surface of the at least two end surfaces. The first light source group includes a first light source that emits light having a predetermined wavelength band. The second light source group includes a second light source that emits light having the wavelength band. An X-coordinate of the first light source in a corresponding XY-coordinate system is equal in absolute value to an X-coordinate of the second light source in a corresponding XY-coordinate system, with the at least one light guide viewed from the first end surface side in the main scanning direction.

A paper sheet detection device includes: an optical sensor that includes a light-emitting portion that emits light, and a light-receiving portion that receives the emitted light; a storage portion that stores a first threshold value used for determining whether or not a paper sheet is present in a path of the emitted light, a target light-receiving level set as a target value of a level of the light received by the light-receiving portion in a state where the paper sheet is not present, and a second threshold value that is set to a value that is greater than the first threshold value and less than the target light-receiving level; an estimating portion that determines whether the level of the light received by the light-receiving portion is equal to or greater than the first threshold value and less than the second threshold value, and that estimates whether or not the paper sheet is present; and a light amount adjusting portion that adjusts an amount of the light emitted by the light-emitting portion so that the level of the light received by the light-receiving portion becomes the target light-receiving level in the state where the paper sheet is not present when the estimating portion estimates that the paper sheet is not present after the estimating portion determines that the level of the light received by the light-receiving portion is equal to or greater than the first threshold value and less than the second threshold value.

A paper sheet detection device includes: an optical sensor that includes a light-emitting portion that emits light, and a light-receiving portion that receives the emitted light; a storage portion that stores a first threshold value used for determining whether or not a paper sheet is present in a path of the emitted light, a target light-receiving level set as a target value of a level of the light received by the light-receiving portion in a state where the paper sheet is not present, and a second threshold value that is set to a value that is greater than the first threshold value and less than the target light-receiving level; an estimating portion that determines whether the level of the light received by the light-receiving portion is equal to or greater than the first threshold value and less than the second threshold value, and that estimates whether or not the paper sheet is present; and a light amount adjusting portion that adjusts an amount of the light emitted by the light-emitting portion so that the level of the light received by the light-receiving portion becomes the target light-receiving level in the state where the paper sheet is not present when the estimating portion estimates that the paper sheet is not present after the estimating portion determines that the level of the light received by the light-receiving portion is equal to or greater than the first threshold value and less than the second threshold value.

A banknote validation device includes a light source array which includes multiple light emission units; a light receiver configured to receive light emitting from the light emission units and to generate, upon receiving the light emitting from the light emission units, a detection signal corresponding thereto; a banknote channel arranged between the light source array and the light receiver; and a control circuit electrically connected to the light source array and the light receiver. The banknote channel is configured to receive a banknote to be validated to pass therethrough. The light receiver is arranged to correspond to multiple light emission units. The control circuit is configured to control the light emission units of the light source array to sequentially emit light according to a preset timing sequence of lighting. The present invention allows for inspection of a banknote to be validated with a simplified structure at the same accuracy.