Abstract: A system includes a first image sensor that generates a first image signal by synchronously scanning all pixels at a prescribed timing, a second image sensor including an event-driven type vision sensor that, upon detecting a change in an intensity of incident light on each of the pixels, generates a second image signal asynchronously, an inertial sensor that acquires attitude information on the first image sensor and the second image sensor, a first computation processing device that recognizes a user on the basis of at least the second image signal and calculates coordinate information regarding the user on the basis of at least the second image signal, a second computation processing device that performs coordinate conversion on the coordinate information on the basis of the attitude information, and an image generation device that generates a display image which indicates a condition of the user, on the basis of the converted coordinate information.

Abstract: An image forming apparatus includes a light scanning device, a developing portion, a control portion and a storage portion. An evaluation chart includes a first evaluation pattern, a second evaluation pattern, a third evaluation pattern and a fourth evaluation pattern. The first evaluation pattern includes a first dot row and a second dot row, and the third evaluation pattern includes a fifth dot row and a sixth dot row. The fourth evaluation pattern is formed by arranging a plurality of fourth evaluation patches. The fourth evaluation patch includes a seventh dot row and an eighth dot row.

Abstract: An image forming apparatus includes a light scanning device, a developing portion, a control portion and a storage portion. An evaluation chart includes a first evaluation pattern and a second evaluation pattern. The first evaluation pattern includes a first patch row. The first patch row is formed by arranging a plurality of first evaluation patches. The first evaluation patch includes a first dot row and a second dot row. The second evaluation pattern includes a second patch row. The second patch row is formed by arranging a plurality of second evaluation patches.

Abstract: An image forming apparatus includes a light scanning device, a developing portion, a control portion and a storage portion. An evaluation chart includes a first evaluation pattern, a second evaluation pattern, a third evaluation pattern and a fourth evaluation pattern. The first evaluation pattern includes a first dot row and a second dot row, and the third evaluation pattern includes a fifth dot row and a sixth dot row. The fourth evaluation pattern is formed by arranging a plurality of fourth evaluation patches. The fourth evaluation patch includes a seventh dot row and an eighth dot row.

Abstract: A gas component detection device includes a column, a sensor, a flow path, and a flow path switch. The column separates a component of gas to be detected. The sensor is, for example, a semiconductor sensor, is connected to the downstream side of the column, and detects a component of gas to be detected. The flow path connects the column and the sensor. The flow path switch is arranged between a flow path and a flow path. The flow path switch switches between and executes a measurement mode in which gas to be detected discharged from the column flows into the sensor, and a discharge mode in which gas to be detected discharged from the column is discharged to the outside.

Abstract: An image forming apparatus includes a light scanning device, a developing portion, a control portion and a storage portion. The storage portion stores an evaluation chart. The evaluation chart includes a first evaluation pattern and a second evaluation pattern. The first evaluation pattern includes a first patch row. The first patch row is formed by arranging a plurality of first evaluation patches. The first evaluation patch includes a first dot row, a second dot row and an auxiliary dot row. The second evaluation pattern includes a second patch row. The second patch row is formed by arranging a plurality of second evaluation patches.

Abstract: An image forming apparatus includes a light scanning device, a developing portion, a control portion and a storage portion. The storage portion stores an evaluation chart. The evaluation chart includes a first evaluation pattern and a second evaluation pattern. The first evaluation pattern includes a first patch row. The first patch row is formed by arranging a plurality of first evaluation patches. The first evaluation patch includes a first dot row and a second dot row. The second evaluation pattern includes a second patch row. The second patch row is formed by arranging a plurality of second evaluation patches.

Abstract: A toner case includes a case main body, a conveying member and a transmitting member. The case main body is configured to store a toner and has a discharge port for the toner. The conveying member is configured to rotate around a rotation axis extending along a rotation axis direction and to convey the toner in the case main body to the discharge port. The transmitting member is configured to transmit rotation to the conveying member. The conveying member is movable along the rotation axis direction with respect to the transmitting member between a coupling position where the conveying member is coupled to the transmitting member and a release position where a coupling of the conveying member to the transmitting member is released.

Abstract: A toner case includes a case main body, a conveying member and a transmitting member. The case main body is configured to store a toner and has a discharge port for the toner. The conveying member is configured to rotate around a rotation axis extending along a rotation axis direction and to convey the toner in the case main body to the discharge port. The transmitting member is configured to transmit rotation to the conveying member. The conveying member is movable along the rotation axis direction with respect to the transmitting member between a coupling position where the conveying member is coupled to the transmitting member and a release position where a coupling of the conveying member to the transmitting member is released.

Abstract: An image forming apparatus includes a light scanning device, a light detection unit, and a positional-deviation-amount calculation unit. The light detection unit includes a slit-shaped first light detection region and a slit-shaped second light detection region arranged to have mutually different angles with respect to a scanning direction of the light beam, and outputs a detection signal when the light beam passes through each of the light detection regions. The positional-deviation-amount calculation unit calculates a time period until when the light beam passes through the second light detection region from when the light beam has passed through the first light detection region for each scan of the light beam based on the detection signal output from the light detection unit, and calculates a variation characteristic of a positional deviation amount in a sub-scanning direction of the light beam associated with rotation of the polygon mirror.

Abstract: An image forming apparatus includes a mirror position adjustment mechanism capable of adjusting a position of a return mirror. The return mirror is used in a state in which its position is adjusted such that a gravity center position of the return mirror is separated from a rotational axis of the return mirror by the mirror position adjustment mechanism in a sub-scanning direction.

Abstract: A laser scanning device includes light source, deflection portion, image forming lens, a block position setting portion, and a light source control portion. The image forming lens condenses a light beam deflected by the deflection portion on a scanned surface, and causes the light beam to be scanned on the scanned surface in a scanning direction at an equal speed. The block position setting portion sets one or more block areas which each include a plurality of section areas sectioned from each other on the scanned surface in the scanning direction. The light source control portion controls the light source to irradiate the light beam to the plurality of section areas at a plurality of irradiation timings that are determined for each of the block areas. The block position setting portion shifts set positions of the block areas along the scanning direction for each scan of at least one line.

Abstract: A laser scanning device includes a light source, a deflection portion, an image forming lens, and a light source control portion. The light source emits a light beam. The deflection portion causes the light beam emitted from the light source to scan a scanned surface by deflecting the light beam at a predetermined deflection angle. The image forming lens condenses the deflected light beam on the scanned surface, and causes the light beam to be scanned on the scanned surface in a scanning direction at an equal speed. The light source control portion controls the light source to irradiate the light beam to at least one section area among a plurality of section areas sectioned from each other in the scanning direction on the scanned surface, at a plurality of irradiation timings determined based on a position of the at least one section area in the scanning direction.

Abstract: An image forming apparatus includes a mirror position adjustment mechanism capable of adjusting a position of a return mirror. The return mirror is used in a state in which its position is adjusted such that a gravity center position of the return mirror is separated from a rotational axis of the return mirror by the mirror position adjustment mechanism in a sub-scanning direction.

Abstract: An image forming apparatus includes a light scanning device, a light detection unit, and a positional-deviation-amount calculation unit. The light detection unit includes a slit-shaped first light detection region and a slit-shaped second light detection region arranged to have mutually different angles with respect to a scanning direction of the light beam, and outputs a detection signal when the light beam passes through each of the light detection regions. The positional-deviation-amount calculation unit calculates a time period until when the light beam passes through the second light detection region from when the light beam has passed through the first light detection region for each scan of the light beam based on the detection signal output from the light detection unit, and calculates a variation characteristic of a positional deviation amount in a sub-scanning direction of the light beam associated with rotation of the polygon mirror.

Abstract: A laser scanning device includes a light source, a deflection portion, an image forming lens, and a light source control portion. The light source emits a light beam. The deflection portion causes the light beam emitted from the light source to scan a scanned surface by deflecting the light beam at a predetermined deflection angle. The image forming lens condenses the deflected light beam on the scanned surface, and causes the light beam to be scanned on the scanned surface in a scanning direction at an equal speed. The light source control portion controls the light source to irradiate the light beam to at least one section area among a plurality of section areas sectioned from each other in the scanning direction on the scanned surface, at a plurality of irradiation timings determined based on a position of the at least one section area in the scanning direction.

Abstract: A laser scanning device includes light source, deflection portion, image forming lens, a block position setting portion, and a light source control portion. The image forming lens condenses a light beam deflected by the deflection portion on a scanned surface, and causes the light beam to be scanned on the scanned surface in a scanning direction at an equal speed. The block position setting portion sets one or more block areas which each include a plurality of section areas sectioned from each other on the scanned surface in the scanning direction. The light source control portion controls the light source to irradiate the light beam to the plurality of section areas at a plurality of irradiation timings that are determined for each of the block areas. The block position setting portion shifts set positions of the block areas along the scanning direction for each scan of at least one line.

Abstract: In an image forming apparatus, a high-density portion and a low-density portion are arranged close to each other such that a boundary between the high-density portion and the low-density portion intersects with the conveyance direction of a density detection patch. A controller compares, in the conveyance direction, temporal change in the density detection value at a boundary portion shifting from the high-density portion to the low-density portion, with temporal change in the density detection value at a boundary portion shifting from the low-density portion to the high-density portion, and sets a process condition based on a result of the comparison.

Abstract: In an image forming apparatus, a high-density portion and a low-density portion are arranged close to each other such that a boundary between the high-density portion and the low-density portion intersects with the conveyance direction of a density detection patch. A controller compares, in the conveyance direction, temporal change in the density detection value at a boundary portion shifting from the high-density portion to the low-density portion, with temporal change in the density detection value at a boundary portion shifting from the low-density portion to the high-density portion, and sets a process condition based on a result of the comparison.

Abstract: An electrolytic capacitor includes an electrolytic capacitor element, anode terminals as a pair, and a conductive member. The capacitor element has an anode body formed by placing an anode foil and a cathode foil one above the other and by winding the anode and cathode foils, anode leads as a pair electrically connected to the anode foil, and a cathode lead electrically connected to the cathode foil. A dielectric layer is formed on a surface of the anode foil. A electrolyte layer is placed between the dielectric layer and the cathode foil. The anode terminals as a pair are each electrically connected to corresponding one of anode leads as a pair of the capacitor element. The conductive member electrically connects the anode terminals to each other outside the capacitor element.