Abstract: A piezoelectric actuator includes a vibrating plate having a piezoelectric material, and a contact part provided in an end portion of the vibrating plate in contact with a driven part, wherein the contact part has a first portion in contact with the driven part and a second portion provided between the first portion and the vibrating plate and having lower rigidity than the first portion. Further, a width of the second portion in a direction crossing an arrangement direction of the first portion and the second portion is smaller than a width of the first portion in the crossing direction.

Abstract: A piezoelectric drive apparatus for a motor, the apparatus including a substrate having a longitudinal direction and a widthwise direction perpendicular to the longitudinal direction, a piezoelectric element provided on the substrate and having a first electrode, a second electrode, and a piezoelectric body positioned between the first electrode and the second electrode, and a contact section that is attached to a front end section of the substrate in the longitudinal direction thereof or in contact with the front end section of the substrate in the longitudinal direction thereof and comes into contact with a driven body, wherein the longitudinal direction of the substrate roughly coincides with a direction in which Young's modulus is minimized in a plane of the substrate.

Abstract: A piezoelectric drive device has a first piezoelectric vibrator and a second piezoelectric vibrator each include a vibrating portion and a distal end portion in which the distal end portion make elliptic motion by stretching vibration and flexural vibration of the vibrating portion, a driven member driven by the elliptic motion of the distal end portion, a drive signal generation circuit that outputs stretching vibration drive signals to the first piezoelectric vibrator and the second piezoelectric vibrator, a first boosting circuit provided between the first piezoelectric vibrator and the drive signal generation circuit, a second boosting circuit provided between the second piezoelectric vibrator and the drive signal generation circuit, and a control circuit that controls boosting amounts of the stretching vibration drive signals.

Abstract: A piezoelectric driving device includes: a substrate including a fixed portion, and a vibrating body portion which is provided with a piezoelectric element and is supported by the fixed portion; and a contact portion which comes into contact with a driven body, and transmits movement of the vibrating body portion to the driven body, the contact portion is provided at an end portion in the longitudinal direction of the vibrating body portion, and a difference between a distance between the end portion when the contact portion is not pressed against the driven body and a tip end of the contact portion, and a distance between the end portion when the contact portion is pressed against the driven body and the tip end, is smaller than a total amplitude in the longitudinal direction in a case where the vibrating body portion is driven.

Abstract: An ion exchange membrane having a structure that an ion exchange resin is filled in spaces of a porous base film, the porous base film has a structure that at least two porous olefin resin layers are laminated with a bonding strength of 100 gf/cm or more to less than 700 gf/cm and a Gurley air permeance of 500 sec/100 ml or less in terms of a 100 ?m thick film. In this ion exchange membrane, base film has high air permeability though it has a multi-layer structure that a plurality of porous resin films are bonded together, and therefore a rise in electric resistance caused by the lamination of the base sheets is effectively suppressed.

Abstract: A piezoelectric drive device includes a vibrating part, and a control unit that controls vibration of the vibrating part, wherein the vibrating part includes a piezoelectric material having a first surface and a second surface in a front-back relation, a drive electrode having a first electrode arranged at the first surface and a second electrode arranged at the second surface, and vibrating the piezoelectric material when a drive signal from the control unit is input to the second electrode, and a detection electrode having a third electrode arranged at the first surface and a fourth electrode arranged at the second surface, and outputting a detection signal according to the vibration of the piezoelectric material to the control unit via the fourth electrode, and the first electrode and the third electrode are separated on the first surface, and the second electrode and the fourth electrode are separated on the second surface.

Abstract: An electronic device sets, in accordance with a use operation, which one of a plurality of objects is to be used to display a specific setting item on a setting screen. The plurality of objects include a first object and a second object whose display size, information amount to be displayed, and number of types of operable setting values are larger than the first object. In case where the first object is displayed on the setting screen, the electronic device changes a first setting value concerning the specific setting item in accordance with an operation on one of a first or second operation member. In case where the second object is displayed on the setting screen, the electronic device changes the first and second setting values in accordance with the operations on the first and second operation members, respectively.

Abstract: An electronic device sets, in accordance with a use operation, which one of a plurality of objects is to be used to display a specific setting item on a setting screen. The plurality of objects include a first object and a second object whose display size, information amount to be displayed, and number of types of operable setting values are larger than the first object. In case where the first object is displayed on the setting screen, the electronic device changes a first setting value concerning the specific setting item in accordance with an operation on one of a first or second operation member. In case where the second object is displayed on the setting screen, the electronic device changes the first and second setting values in accordance with the operations on the first and second operation members, respectively.

Abstract: An image pickup apparatus includes a finder unit configured to enable visual confirmation of an object image; a display unit located outside of the finder unit; and a control unit configured to control a display time for a first image acquired in a first shooting operation to be longer than a display time for a second image acquired in a second shooting operation in a case where a plurality of images is sequentially displayed on the display unit as a review display after continuous shooting is performed, the plurality of images being captured in the continuous shooting for continuously performing a plurality of shooting operations including at least the first shooting operation and the second shooting operation in response to a shooting instruction, the second shooting operation being performed after the first shooting operation.

Abstract: A piezoelectric driving device includes a vibrating portion including a piezoelectric element for driving and a piezoelectric element for detection and vibrating by driving of the piezoelectric element for driving, a drive circuit that generates a drive signal for driving the piezoelectric element for driving, and a detection circuit that detects vibration of the vibrating portion based on a detection signal output from the piezoelectric element for detection with the vibration of the vibrating portion, wherein the piezoelectric element for detection is placed in an area containing a center of the vibrating portion.

Abstract: Provided is a liquid pump configured to suppress discharge of air from an air pool formed in a discharge-side tank. A discharge-side tank part formed in a housing has a first inner wall surface and a second inner wall surface facing each other in a horizontal direction in an installed position of the liquid pump. The first inner wall surface is formed with a discharge port, and the second inner wall surface is formed with an opening of a discharge-side communicating passage. An air pool is formed in a space in the discharge-side tank part above the opening of the discharge-side communicating passage and the discharge port. A circular cylindrical partition is provided in the discharge-side tank part. The circular cylindrical partition projects from the second inner wall surface toward the first inner wall surface with at least a portion of the cylindrical partition positioned above the opening of the discharge-side communicating passage so as to cover the opening as seen from the air pool side.

Abstract: A piezoelectric drive device includes piezoelectric vibration modules that each include a vibration portion and a transmission unit abutting a driven portion and transmitting longitudinal vibration in an alignment direction of the vibration portion with the driven portion and bending vibration which is a composite of the longitudinal vibration and lateral vibration of the vibration portion intersecting the alignment direction to the driven portion and a controller controlling the modules. The controller controls the modules in a first drive mode wherein the transmission portions of all the modules are driven to perform the bending vibration in a first direction and a second drive mode wherein the transmission portions of some of the modules are driven to perform the bending vibration in the first direction and the transmission portions of other modules are driven to perform the longitudinal or bending vibrations in a second direction opposite the first direction.

Abstract: An electronic apparatus includes: a connecting unit (connector) that connects with an external apparatus; a setting unit sets a connection mode to any of a plurality of connection modes, including a first connection mode in which an image having a gradation resolution which is not higher than a first gradation resolution is outputted, and a second connection mode in which an image having a gradation resolution which is higher than the first gradation resolution is outputted; and a control unit controls so that in a case where the connection is in the second connection mode and an instruction to switch a first screen including a captured image to a second screen not including a captured image is received, the set connection mode is switched from the second connection mode to the first connection mode, and the second screen is outputted from the connecting unit.

Abstract: An electronic apparatus includes: a converting unit that converts a first type of image into a converted image; a connecting unit that connects with an external apparatus; a setting unit that sets a connection mode; and a control unit that controls so that in a case where the connection is in a first connection mode, the first type of image is outputted from the connecting unit without converting the first type of image by the converting unit, and in a case where the connection is in a second connection mode, the first type of image is converted by the converting unit, and is outputted from the connecting unit, wherein source of the image to be outputted from the connecting unit can be switched from a second type of image to the first type of image, while maintaining the connection in the second connection mode.

Abstract: An electronic apparatus comprises a registration unit which registers a menu item in a menu having a hierarchical structure, and a display control unit which (i) displays a first-type item and a second-type item as options in a specific layer of the menu, (ii) performs control to display a first menu item in a menu in a lower layer below a layer of the first-type item, the first menu item being used to register a menu item in the same menu and to delete a registered menu item, and (iii) displays a second menu item in a menu in a lower layer below a layer of the second-type item, the second menu item being for deleting a registered menu item that is in the menu in the lower layer below the layer of the first-type item.

Abstract: An imaging apparatus including a control unit configured to perform control to present a first 2-area enlargement display of displaying live view images captured by two imaging regions that are separated in a width direction while arranging them on a display unit if an orientation of the imaging apparatus is a first orientation, and present a second 2-area enlargement display of displaying live view images captured by two imaging regions that are separated in a height direction while arranging them on the display unit if the orientation of the imaging apparatus is a second orientation. The control unit is configured to perform control to end the first 2-area enlargement display based on the orientation of the imaging apparatus changed from the first orientation in a manner satisfying a predetermined condition when the first 2-area enlargement display is presented.

Abstract: A piezoelectric driving device includes a first substrate having cleavability, and a piezoelectric element placed above the first substrate, wherein a cleavage direction of the first substrate and a direction in which a shear force is applied do not coincide in a plan view of the first substrate. Further, an angle formed by the cleavage direction of the first substrate and the direction in which the shear force is applied is equal to or larger than 20° in the plan view of the first substrate. Furthermore, the first substrate contains silicon single crystal.

Abstract: A display control apparatus includes, a reception unit that receives an operation on a display object displayed in a display area, a changing unit that changes the display area to a second size smaller than a first size, and a control unit that controls to, in a case where the operation is not received while the display area is displayed in the first size, when the display area is changed from the first size to the second size, display a first range of the display object, and in a case where the operation is received while the display area is displayed in the first size, when the display area is changed from the first size to the second size, move the display object to display a second range.

Abstract: The invention relates to a piezoelectric actuator including: a first piezoelectric vibrator including a first diaphragm and first piezoelectric elements that are provided on the first diaphragm and include a first electrode, a second electrode, and a piezoelectric material layer held by the first electrode and the second electrode; a second piezoelectric vibrator including a second diaphragm and second piezoelectric elements that are provided on the second diaphragm and include a first electrode, a second electrode, and a piezoelectric material layer held by the first electrode and the second electrode; and an inductor. The layout of the first piezoelectric vibrator in the first diaphragm is the same as the layout of the second piezoelectric vibrator in the second diaphragm. The positions of the first piezoelectric elements on the first diaphragm correspond to the positions of the second piezoelectric elements on the second diaphragm.

Abstract: A liquid-ejecting head includes a nozzle plate having a nozzle opening that serves for liquid ejection; a channel-forming substrate including pressure-generating chambers that are in communication with the nozzle opening; a pressure generator that serves to generate pressure change in a liquid in the pressure-generating chambers; and a communication plate provided between the nozzle plate and the channel-forming substrate, the communication plate having a communication channel that forms a communication between the pressure-generating chambers and the nozzle opening. The communication plate has a circulation channel that is in communication with a common liquid chamber through the communication channel, the common liquid chamber being in communication with a plurality of the pressure-generating chambers in common.