Abstract: A communication terminal is capable of simultaneously communicating through a plurality of carriers by carrier aggregation, and the communication terminal comprises: a quality measurement unit for measuring the reception quality of a radio wave transmitted through a plurality of carriers from a base station of a connected cell to obtain a measured value; a primary carrier storage unit storing information specifying a primary carrier chosen from the plurality of carriers; a comparator for comparing a measured value of the primary carrier measured by the quality measurement unit to a threshold value; and a cell search unit for searching for another cell when the measured value of the primary carrier is less than or equal to the threshold value. Consequently, a search threshold value for carrier aggregation can be appropriately determined to perform a cell search and a quality measurement.

Abstract: The present technology relates to an interchangeable lens and a method for controlling the same capable of starting shooting in consideration of mechanical fluctuations after a diaphragm is driven, a shooting apparatus, and a camera system. An interchangeable lens includes a diaphragm, a diaphragm driving unit that drives the diaphragm, and a lens control unit that transmits diaphragm driving information including stabilization time information of the diaphragm to a shooting apparatus when the diaphragm driving unit drives the diaphragm. The present technology is applicable to lens-interchangeable digital cameras, and the like, for example.

Abstract: The present invention relates to an imaging device including a camera body configured to attach, to a barrel body, a lens barrel including a collapsible barrel in which a barrel holding at least one lens can be in a stored state and in an extended state by manual operation, and a control unit configured to perform control to execute a display of information indicating a state of the imaging device in a case where the lens barrel attached to the camera body is detected to be in the stored state.

Abstract: Provided is an imaging apparatus including a mode setting unit that sets a diaphragm driving mode out of a plurality of diaphragm driving modes including a first diaphragm driving mode and a second diaphragm driving mode in which diaphragm driving is more limited than in the first diaphragm driving mode, and a diaphragm control unit that controls diaphragm driving in accordance with brightness of an imaging target in a case where the mode setting unit sets the second diaphragm driving mode.

Abstract: The present technique relates to a lens apparatus, a driving method, an image capturing apparatus, and an image capturing system that allow reduction of possible noise in a captured image caused by a magnetic field generated when an actuator of the lens apparatus is driven, without any change in image capturing processing of the image capturing apparatus. A lens apparatus is enabled to be mounted on an image capturing apparatus and includes an actuator, a communication section configured to receive, from the image capturing apparatus, drive frequency information used to set a drive frequency for the actuator, a control section configured to set the drive frequency for the actuator on the basis of the drive frequency information, and a driving section configured to drive the actuator at the drive frequency set. The present technique can be applied to, for example, a lens apparatus mounted on a single-lens reflex camera.

Abstract: The present technology relates to an interchangeable lens and a method for controlling the same capable of starting shooting in consideration of mechanical fluctuations after a diaphragm is driven, a shooting apparatus, and a camera system. An interchangeable lens includes: a diaphragm; a diaphragm driving unit configured to drive the diaphragm; and a lens control unit configured to transmit diaphragm driving information including stabilization time information of the diaphragm to a shooting apparatus when the diaphragm driving unit drives the diaphragm. The present technology is applicable to lens-interchangeable digital cameras, and the like, for example.

Abstract: There is provided an imaging apparatus (60) including: a mode setting unit (72) configured to set a diaphragm driving mode out of a plurality of diaphragm driving modes including a first diaphragm driving mode and a second diaphragm driving mode in which diaphragm driving is more limited than in the first diaphragm driving mode; and a diaphragm control unit (72) configured to control diaphragm driving in accordance with brightness of an imaging target in a case where the mode setting unit sets the second diaphragm driving mode.

Abstract: The present technique relates to a lens apparatus, a driving method, an image capturing apparatus, and an image capturing system that allow reduction of possible noise in a captured image caused by a magnetic field generated when an actuator of the lens apparatus is driven, without any change in image capturing processing of the image capturing apparatus. A lens apparatus is enabled to be mounted on an image capturing apparatus and includes an actuator, a communication section configured to receive, from the image capturing apparatus, drive frequency information used to set a drive frequency for the actuator, a control section configured to set the drive frequency for the actuator on the basis of the drive frequency information, and a driving section configured to drive the actuator at the drive frequency set. The present technique can be applied to, for example, a lens apparatus mounted on a single-lens reflex camera.

Abstract: The present technology relates to an interchangeable lens and a method for controlling the same capable of starting shooting in consideration of mechanical fluctuations after a diaphragm is driven, a shooting apparatus, and a camera system. An interchangeable lens includes: a diaphragm; a diaphragm driving unit configured to drive the diaphragm; and a lens control unit configured to transmit diaphragm driving information including stabilization time information of the diaphragm to a shooting apparatus when the diaphragm driving unit drives the diaphragm. The present technology is applicable to lens-interchangeable digital cameras, and the like, for example.

Abstract: The present technology relates to an interchangeable lens and a method for controlling the same capable of starting shooting in consideration of mechanical fluctuations after a diaphragm is driven, a shooting apparatus, and a camera system. An interchangeable lens includes: a diaphragm; a diaphragm driving unit configured to drive the diaphragm; and a lens control unit configured to transmit diaphragm driving information including stabilization time information of the diaphragm to a shooting apparatus when the diaphragm driving unit drives the diaphragm. The present technology is applicable to lens-interchangeable digital cameras, and the like, for example.

Abstract: Provided is an interchangeable lens including: at least one shared communication terminal configured to be shared and used in synchronous communication that is communication performed synchronously with a synchronization signal and in asynchronous communication that is communication performed asynchronously with the synchronization signal.

Abstract: Provided is an interchangeable lens including: at least one shared communication terminal configured to be shared and used in synchronous communication that is communication performed synchronously with a synchronization signal and in asynchronous communication that is communication performed asynchronously with the synchronization signal.

Abstract: Embodiments of the present invention generally include magnetoresistive heads, such as read heads, having a sensor structure and side shields disposed adjacent to the sensor structure. The distance between the side shields and the sensor structure increase in a direction from an ABS in the off-track direction. The magnetoresistive heads may include tapered surfaces on the side shields or sensor structure, or may include stepped surfaces on the side shields or sensor structure.

Abstract: A magnetic read head configured for two dimensional magnetic recording and having asymmetrical secondary read elements. The magnetic read head includes a primary read element configured to read a data track (i.e. n data track) and first and second secondary read elements located over adjacent data tracks (i.e. n+1, n?1 data track) at either side of the data track to be read. The secondary read element have asymmetrical off track amplitude profiles, preferably such that they each have a steep amplitude profile at the outer side and a broader cross-track amplitude profile at their inner sides. This allows the secondary read elements to detect signals of the adjacent data track (so that those signals can be subtracted out of the signal from the primary reader) without the secondary read elements also picking up further adjacent data tracks (i.e. n+2, n?2).

Abstract: A method, apparatus, and system are provided for implementing spin-torque oscillator (STO) erasure prevention for microwave assisted magnetic recording (MAMR) hard disk drives (HDDs). A first voltage is applied to an STO element in the MAMR head at the time of write operation. A second voltage is applied to the STO element at the time of read operation, or not write operation, to prevent STO erasure otherwise resulting from remnant magnetization of STO at the time of read operation.

Abstract: Embodiments of the present invention generally include magnetoresistive heads, such as read heads, having a sensor structure and side shields disposed adjacent to the sensor structure. The distance between the side shields and the sensor structure increase in a direction from an ABS in the off-track direction. The magnetoresistive heads may include tapered surfaces on the side shields or sensor structure, or may include stepped surfaces on the side shields or sensor structure.

Abstract: The embodiments disclosed generally relate to a read head sensor in a magnetic recording head. The read head sensor comprises side shields in addition to the upper and lower shields. The upper shield sensor is a multilayer structure with antiferromagnetic coupling. The side shield is a multilayer structure whereby a lower magnetic layer is separated from an upper magnetic layer. The upper magnetic layer is ferromagnetically coupled to a bottom layer of the upper shield. The bias direction of the read head sensor is antiparallel to the bottom layer of the upper shield.

Abstract: In one embodiment, an apparatus includes at least one read head, each read head including a magnetoresistive (MR) read element, having a lower shield layer, an underlayer positioned above the lower shield layer, an antiferromagnetic (AFM) layer positioned above the underlayer, a magnetization pinned layer positioned above the AFM layer, an insulating layer positioned above the magnetization pinned layer, and a magnetization free layer positioned above the insulating layer, magnetic side shields positioned on both sides of the MR read element in a cross-track direction, and at least one shield excitation coil configured to excite magnetization of the side shields. In another embodiment, a method for forming a read sensor includes forming a MR read element, forming magnetic side shields on both sides of the MR read element in a cross-track direction, and forming at least one shield excitation coil configured to excite magnetization of the side shields.

Abstract: The embodiments disclosed generally relate to a read head sensor in a magnetic recording head. The read head sensor comprises side shields in addition to the upper and lower shields. The upper shield sensor is a multilayer structure with antiferromagnetic coupling. The side shield is a multilayer structure whereby a lower magnetic layer is separated from an upper magnetic layer. The upper magnetic layer is ferromagnetically coupled to a bottom layer of the upper shield. The bias direction of the read head sensor is antiparallel to the bottom layer of the upper shield.

Abstract: In one embodiment, an apparatus includes at least one read head, each read head including a magnetoresistive (MR) read element, having a lower shield layer, an underlayer positioned above the lower shield layer, an antiferromagnetic (AFM) layer positioned above the underlayer, a magnetization pinned layer positioned above the AFM layer, an insulating layer positioned above the magnetization pinned layer, and a magnetization free layer positioned above the insulating layer, magnetic side shields positioned on both sides of the MR read element in a cross-track direction, and at least one shield excitation coil configured to excite magnetization of the side shields. In another embodiment, a method for forming a read sensor includes forming a MR read element, forming magnetic side shields on both sides of the MR read element in a cross-track direction, and forming at least one shield excitation coil configured to excite magnetization of the side shields.