Abstract: An image processing apparatus inquires to an external apparatus for information as to whether or not a first database relating to setting items of the image processing apparatus exists, when initially connecting to the network; obtains setting values of the first database when it is confirmed that the first database exists; and reflects the obtained setting values to a second database held in the image processing apparatus and requests to the external apparatus to update information of the first database with the reflected setting values of the second database.

Abstract: A lens unit L100 is removably mounted on an image pickup apparatus generating control information used for a vibration control that vibrates a correction lens L105 and moves a vibration center of the correction lens L105, includes an image pickup optical system including a magnification varying lens L102 and the correction lens L105, a storage unit storing first information indicating a relation between positions of the magnification varying lens L102 and the correction lens L105, and a lens controller performing a predetermined control in which the correction lens L105 moves in accordance with the movement of the magnification varying lens L102, and the lens controller sends information relating to the magnification varying operation to the image pickup apparatus, and overlaps the vibration control of the correction lens L105 based on the control information in accordance with the information relating to the magnification varying operation with the predetermined control.

Abstract: The failure frequency of first communication at the time of activation with a setting management server arranged in the same apparatus is reduced. A client switches the timing of executing the first communication at the time of activation by whether the server is the same apparatus. If the server is the same apparatus, activation of the server is delayed and the first communication at the time of activation for synchronization is performed after the delay. The delay period is, for example, for a predetermined time or for a period until a notification from the server is received.

Abstract: A determination unit determines whether a server is an apparatus configured with an information processing apparatus in an integrated manner, and according to a result of the determination of the determination unit, a communication connection between the server and the information processing apparatus is controlled, and the transition of a power state is controlled.

Abstract: An image capturing apparatus comprises an image pickup device with a plurality of pixels each of which includes at least two photoelectric conversion portions, a readout unit configured to read out a first image signal and an added signal obtained by adding the first image signal and a second image signal, a subtraction unit configured to subtract the first image signal from the added signal, a focus detection unit configured to detect a focus state based on the first and the second image signal, and a limiter unit configured to suppress an output of the first photoelectric conversion portion and an output of the second photoelectric conversion portion not to exceed a predetermined threshold, wherein the limiter unit suppresses the output of the first photoelectric conversion portion and the second photoelectric conversion portion for different color filters.

Abstract: An image processing apparatus inquires to an external apparatus for information as to whether or not a first database relating to setting items of the image processing apparatus exists, when initially connecting to the network; obtains setting values of the first database when it is confirmed that the first database exists; and reflects the obtained setting values to a second database held in the image processing apparatus and requests to the external apparatus to update information of the first database with the reflected setting values of the second database.

Abstract: To achieve focusing suitable for a perspective-conflict object in AF control using a phase difference detection method, a focus adjustment apparatus detects a defocus amount of an image pickup optical system based on plural image signals generated from an exit pupil of the system, sets plural areas including a predetermined area used for focus adjustment of the system as areas of the plural image signals used for detecting the defocus amount, generates a focus adjustment signal for performing the focus adjustment based on the defocus amount detected in the predetermined area, and determines whether a perspective conflict occurs in the predetermined area according to the defocus amount detected in each set area. If the perspective conflict occurs in the predetermined area, the area used for the focus adjustment is changed from the predetermined area to any of other set areas, according to the defocus amount detected from each area.

Abstract: An information processing apparatus that is capable of reducing total network traffic without wasting received synchronizing data in the information processing apparatus. A plurality of devices of which energization states are controllable independently perform information processes according to set data. A determination unit determines whether each of the plurality of devices is in an energized state. A request unit requests update information about set data concerning a device that is determined being in the energized state by the determination unit from an external apparatus connected to the information processing apparatus through a network. An update unit performs an update process that updates the set data according to the update information transmitted from the external apparatus in response to the request.

Abstract: An image capturing apparatus comprises an image pickup device with a plurality of pixels each of which includes at least two photoelectric conversion portions, a readout unit configured to read out a first image signal and an added signal obtained by adding the first image signal and a second image signal, a subtraction unit configured to subtract the first image signal from the added signal, a focus detection unit configured to detect a focus state based on the first and the second image signal, and a limiter unit configured to suppress an output of the first photoelectric conversion portion and an output of the second photoelectric conversion portion not to exceed a predetermined threshold, wherein the limiter unit suppresses the output of the first photoelectric conversion portion and the second photoelectric conversion portion for different color filters.

Abstract: The defocus amount of an imaging optical system is detected based on a pair of image signals that are obtained from an image sensor and are used for phase-difference detection automatic focusing. In a first mode, the drive of a focusing lens is controlled so that the focusing lens is driven at a first speed if the reliability of the pair of image signal is at a first level, and at a second speed lower than the first speed if the reliability of the pair of image signals is at a second level higher than the first level.

Abstract: An image capturing apparatus comprises an image pickup device with a plurality of pixels each of which includes at least two photoelectric conversion portions, a readout unit configured to read out a first image signal and an added signal obtained by adding the first image signal and a second image signal, a subtraction unit configured to subtract the first image signal from the added signal, a focus detection unit configured to detect a focus state based on the first and the second image signal, and a limiter unit configured to suppress an output of the first photoelectric conversion portion and an output of the second photoelectric conversion portion not to exceed a predetermined threshold, wherein the limiter unit suppresses the output of the first photoelectric conversion portion and the second photoelectric conversion portion for different color filters.

Abstract: A lens unit L100 is removably mounted on an image pickup apparatus generating control information used for a vibration control that vibrates a correction lens L105 and moves a vibration center of the correction lens L105, includes an image pickup optical system including a magnification varying lens L102 and the correction lens L105, a storage unit storing first information indicating a relation between positions of the magnification varying lens L102 and the correction lens L105, and a lens controller performing a predetermined control in which the correction lens L105 moves in accordance with the movement of the magnification varying lens L102, and the lens controller sends information relating to the magnification varying operation to the image pickup apparatus, and overlaps the vibration control of the correction lens L105 based on the control information in accordance with the information relating to the magnification varying operation with the predetermined control.

Abstract: To achieve focusing suitable for a perspective-conflict object in AF control using a phase difference detection method, a focus adjustment apparatus detects a defocus amount of an image pickup optical system based on plural image signals generated from an exit pupil of the system, sets plural areas including a predetermined area used for focus adjustment of the system as areas of the plural image signals used for detecting the defocus amount, generates a focus adjustment signal for performing the focus adjustment based on the defocus amount detected in the predetermined area, and determines whether a perspective conflict occurs in the predetermined area according to the defocus amount detected in each set area. If the perspective conflict occurs in the predetermined area, the area used for the focus adjustment is changed from the predetermined area to any of other set areas, according to the defocus amount detected from each area.

Abstract: A lens unit L100 is removably mounted on an image pickup apparatus generating control information used for a vibration control that vibrates a correction lens L105 and moves a vibration center of the correction lens L105, includes an image pickup optical system including a magnification varying lens L102 and the correction lens L105, a storage unit storing first information indicating a relation between positions of the magnification varying lens L102 and the correction lens L105, and a lens controller performing a predetermined control in which the correction lens L105 moves in accordance with the movement of the magnification varying lens L102, and the lens controller sends information relating to the magnification varying operation to the image pickup apparatus, and overlaps the vibration control of the correction lens L105 based on the control information in accordance with the information relating to the magnification varying operation with the predetermined control.

Abstract: An image forming apparatus includes a switching unit configured to switch a power supply source from a main power source to a power storage unit according to shifting to a power failure state, a calculation unit configured to calculate a power amount to be consumed by a received job if the power supply source is the power storage unit when the job is received, a detection unit configured to detect a power amount stored in the power storage unit, a determining unit configured to determine whether the received job can be executed based on the detected power amount and the calculated power amount to be consumed for the received job, and a control unit configured to start processing the job if it is determined that the received job can be executed and to perform control during the processing of the job so as not to accept a subsequently received job.

Abstract: A focus adjusting apparatus employable for an imaging system with an image-capturing unit configured to capture an image of an object, includes a unit configured to extract a specific frequency component from an image capturing signal along each horizontal scanning line to generate a focus signal and a unit configured to set a focus signal extraction area with reference to the image capturing signal. A peak holding unit extracts a line peak value by peak-holding the focus signal along each horizontal scanning line in the setting area. A first evaluation value generation unit generates an integral evaluation value by integrating line peak values obtained along a predetermined number of horizontal scanning lines of all the horizontal scanning lines in the setting area. A control unit performs a focus adjustment that includes driving a focus lens based on an AF evaluation value derived from the integral evaluation value.

Abstract: An image capturing apparatus comprises an image pickup device with a plurality of pixels each of which includes at least two photoelectric conversion portions, a readout unit configured to read out a first image signal and an added signal obtained by adding the first image signal and a second image signal, a subtraction unit configured to subtract the first image signal from the added signal, a focus detection unit configured to detect a focus state based on the first and the second image signal, and a limiter unit configured to suppress an output of the first photoelectric conversion portion and an output of the second photoelectric conversion portion not to exceed a predetermined threshold, wherein the limiter unit suppresses the output of the first photoelectric conversion portion and the second photoelectric conversion portion for different color filters.

Abstract: The defocus amount of an imaging optical system is detected based on a pair of image signals that are obtained from an image sensor and are used for phase-difference detection automatic focusing. In a first mode, the drive of a focusing lens is controlled so that the focusing lens is driven at a first speed if the reliability of the pair of image signal is at a first level, and at a second speed lower than the first speed if the reliability of the pair of image signals is at a second level higher than the first level.

Abstract: A lens unit L100 is removably mounted on an image pickup apparatus generating control information used for a vibration control that vibrates a correction lens L105 and moves a vibration center of the correction lens L105, includes an image pickup optical system including a magnification varying lens L102 and the correction lens L105, a storage unit storing first information indicating a relation between positions of the magnification varying lens L102 and the correction lens L105, and a lens controller performing a predetermined control in which the correction lens L105 moves in accordance with the movement of the magnification varying lens L102, and the lens controller sends information relating to the magnification varying operation to the image pickup apparatus, and overlaps the vibration control of the correction lens L105 based on the control information in accordance with the information relating to the magnification varying operation with the predetermined control.

Abstract: An image pickup apparatus, adapted to be used with a remote control apparatus external to the image pickup apparatus, includes an image pickup unit for performing photoelectric conversion on a captured image to generate a first image signal representing the captured image, a communicator operable to send the generated first image signal to the remote control apparatus, and further operable to receive from the remote control apparatus a second image signal relating to the sent first image signal, and a controller operable to use the received second image signal to detect a target object in a further captured image represented by a third image signal generated by the image pickup unit subsequently to the first image signal.