| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 396463000 | Dynamo-electric actuator | 61 |
| 20080205879 | Opening and Closing Apparatus For Small Image Photographing Devices - Disclosed is a shutter apparatus for small cameras. According to the first embodiment of the invention, a shutter housing is mounted in an exposure aperture formed in a main body. The shutter housing has a through-hole communicated with the exposure aperture. A shutter panel is pivotably mounted inside the shutter housing so as to open and close the through-hole. A pivot lever is rotatably installed inside the shutter housing and engaged with the shutter panel such that the shutter panel is pivoted to open and close the through-hole. Thus, the opening is opened only when the camera is used to take a picture, and otherwise the opening is closed, thereby efficiently preventing introduction of foreign matters into the inside of the camera. | 08-28-2008 |
| 20080240707 | Actuator, shutter driving device for camera and method of manufacturing actuator - An actuator includes: a coil for excitation; a stator excited with different magnetic poles by energization of the coil; a rotor magnetized with different magnetic poles in a circumferential direction, and rotated by magnetic force generating between the rotor and the stator; and an outputting member rotated in conjunction with the rotor and outputting rotational movement of the rotor to a member. The outputting member fits onto the rotor, and the rotor has at least one of a recess portion and a projection portion at a fitting surface of the rotor. The outputting member is jointed with the rotor so as to have a shape corresponding to the at least one of the recess portion and the projection portion by welding. | 10-02-2008 |
| 20080279544 | Camera blade shutter module - The present invention is a miniature camera shutter module for use in miniature camera applications. It is an object of the present invention to provide the miniature camera shutter module with solenoid controlled blades in order to alter the amount and quality of light passing through a conduit disposed on the surface of the module. In some embodiments of the present invention, the blade comprises a shutter to completely block light. In other embodiments, the blade comprises an aperture, a neutral-density filter, a monochromatic filter, and the like. In some embodiments of the present invention, the miniature camera shutter module is positioned within a more elaborate miniature camera chassis. | 11-13-2008 |
| 20090148154 | SHUTTER DRIVE DEVICE FOR CAMERA - In a shutter drive device for a camera, the device including: a plate having an aperture; a shutter blade provided in the plate, and for opening and closing the aperture; and an driving source provided in the plate, and for driving the shutter blade. The driving source includes: a rotor magnetized with plural magnetic poles in a circumferential direction, and rotatable about an axis thereof; a stator generating magnetic force against the rotor; and a coil provided in the stator and for exciting the stator. The rotor has an arm portion extending outwardly in a direction perpendicular to the axis of the rotor, and a pin portion engaging with the shutter blade and provided in the arm portion to stand. The rotor, the arm portion and the pin portion are disposed within a thickness of the coil in the axis direction. | 06-11-2009 |
| 20090162050 | NON CONTACT SHUTTER ACTIVATION SYSTEM AND METHOD - A method of controlling a plurality of shutter blades activated by a solenoid to move the plurality of shutter blades between an open position and a closed position includes reducing an electrical signal applied to the solenoid while the plurality of shutter blades is in transit between the open position and the closed position. | 06-25-2009 |
| 20090180773 | ACTUATOR AND BLADE DRIVE DEVICE FOR CAMERA - An electromagnetic actuator includes; a coil for excitation; a stator excited with different magnetic poles by energization of the coil; a rotor magnetized with different magnetic poles in a circumferential direction thereof, and rotated by a magnetic force generated between the rotor and the stator; and an outputting member rotated in conjunction with the rotor and outputting rotational movement of the rotor to a first blade and a second blade. The rotor and the outputting member are jointed by welding and a welding portion of the rotor lies in a boundary of the magnetic poles thereof. | 07-16-2009 |
| 20090190918 | MECHANICAL SHUTTER AND CAMERA MODULE HAVING THE SAME - A mechanical shutter includes a base, four shutter blades, four permanent magnets, and four electromagnets. The base has an aperture for permitting light into a camera module. The shutter blade includes a light shielding portion capable of moving across the aperture by rotating about a shaft formed on the base, a securing portion secured on the base, and an elastic portion connecting the light shielding portion and the securing portion. The permanent magnet is secured on a light shielding portion and sleeves around a shaft. The electromagnets are capable of providing magnetic force to rotate the permanent magnets. | 07-30-2009 |
| 20090232487 | ACTUATOR AND BLADE DRIVE DEVICE FOR CAMERA - An electromagnetic actuator includes: a coil for excitation; a stator excited with different magnetic poles by energization of the coil; a rotor magnetized with the different magnetic poles in accordance with a circumferential direction, and rotated by a magnetic force generating between the rotor and the stator; and an outputting member rotated in conjunction with the rotor and outputting rotational movement of the rotor to a first blade and a second blade. The outputting member is provided with a fitting hole press-fitted onto the rotor. | 09-17-2009 |
| 20100046938 | BLADE DRIVE DEVICE - A blade drive device includes: a blade; a drive source that drives the blade; and a chassis that has an opening opened and closed by a driving of the blade, and that houses the blade and the drive source. The drive source includes: a rotor that is rotatably supported; and a stator around which a coil for excitation is wound and which applies a rotational force to the rotor. The stator is formed along an inner side surface of the chassis and has a rectangular shape. | 02-25-2010 |
| 20100046939 | BLADE DRIVE DEVICE - A blade drive device includes: a blade; a drive source that drives the blade; and a chassis that has an opening opened and closed by the blade and that houses the blade and the drive source. The drive source includes: a rotor that is rotatably supported; a stator around which a coil for excitation is wound and which applies a rotational force to the rotor. The stator is arranged to surround a periphery of the opening and has a rectangular shape. | 02-25-2010 |
| 20100061715 | CAMERA SYSTEM AND CAMERA BODY - A camera body includes a body mount that supports an attachable lens unit, an imaging element that captures an optical image of a subject and generates image data, a shutter unit disposed between the body mount and the imaging element, a protecting plate that has a first condition of shielding an opening of the shutter unit and a second condition of retracting from the opening of the shutter unit, a motor that drives the protecting plate, a power source operable to supply power, and a camera controller that controls the motor before power supply from the power source is stopped, so that the protecting plate is in the first condition when the power supply from the power source is stopped. | 03-11-2010 |
| 20100074611 | SHUTTER AND CAMERA MODULE HAVING SAME - A shutter for a micro camera module includes a substrate made from silicon wafer and a light absorbing layer covering the surface. | 03-25-2010 |
| 20100189431 | SHUTTER ASSEMBLY - A shutter assembly includes a plurality of shutter blades movable between an open position and a closed position, a drive ring having first and second oppositely-facing sides, at least one of the shutter blades being movably coupled to the first side, and a first permanent magnet coupled to the second side of the drive ring. The shutter assembly also includes a first solenoid selectively energizable to alternately attract and repel the first permanent magnet along an arcuate path beneath the first solenoid, thereby transitioning the plurality of shutter blades between the open and closed positions. The shutter assembly also includes a sensor assembly configured to detect a location of the first permanent magnet along the path. | 07-29-2010 |
| 20100290777 | Apparatus For Driving Micro Shutter And Aperture - An apparatus for driving micro shutter and aperture is provided, including a permanent magnet, a coil set, an aperture blade, a curve handle, and a base. The coil set is fixed to the base. The permanent magnet is located between the coils of the coil set. The curve handle is installed with the permanent magnet. The curve handle is linked to the aperture blade. When the current runs through the coil set, the generated magnetic force will exert a reaction force on the permanent magnet. The reaction force will generate a torque to rotate the magnet. With the curve handle linked to the aperture blade, the linkage movement can achieve the object of driving the shutter and the aperture | 11-18-2010 |
| 20110069948 | Camera shutter - A camera shutter comprising a shutter driving means which does not immediately start an operation to provide stable movement even though an operation signal is output. A camera shutter comprises a base plate having a shutter opening; a shutter blade for opening and closing the shutter opening; and a driving means for driving the shutter blade, wherein the driving means comprising a swingably journaled swinging lever having an arm portion connected to the shutter blade, a permanent magnet provided on the arm portion, restraining members comprising a magnetic material that face each other at least at one of both end positions of an operating range of the swinging lever and a magnet coil fixed so as to face the permanent magnet; the swinging lever is operated by attractive force toward or repelling force against the permanent magnet that is generated by conduction of electricity to the magnet coil to drive the shutter blade; and an operation of the swinging lever is restricted by the restraining member at an operation stop position and/or a fully open position of the shutter blade under the magnetic force of the permanent magnet. | 03-24-2011 |
| 20110103787 | FOCAL-PLANE SHUTTER APPARATUS AND IMAGE-PICKUP APPARATUS - The focal-plane shutter apparatus includes a cam member and being rotated by a motor in one direction such that leading and trailing blade cams respectively make contact with leading and trailing blade driving members to drive them in a charging direction in which urging members are charged, and then to allow each of the leading and trailing blade driving members to move from a charge completion position to a blade drive standby position. Leading and trailing blade inclination portions of the cam member respectively allow each of the leading and trailing blade driving members to move from the charge completion position to the blade drive standby position. In a rotation direction of the cam member, a first angular area where the leading blade inclination portion is formed on the cam member is smaller than a second angular area where the trailing blade inclination portion is formed thereon. | 05-05-2011 |
| 20110116783 | MAGNET ARRAY MEMBER WITH MORE THAN FOUR POLES AND SHUTTER - A magnet array member with more than four poles is used for being mounted on a shutter of a camera module of a portable mobile communication device, adjacent to one side of a yoke iron of the shutter. The magnet array member includes a disc portion and a driving portion. The disc portion has more than four N poles and S poles, and an annular side face and opposite first end face and second end face. The driving portion protrudes from one of the first end face and the second end face of the disc portion in a vertical direction. Since the driving portion protrudes from one end face of the disc portion, the disc portion can form more than four N poles and S poles when magnetized, thereby being convenient for mass production. | 05-19-2011 |
| 20110129212 | FOCAL PLANE SHUTTER FOR DIGITAL CAMERAS - A first driving member for front blade that connects a front blade and a second driving member for front blade are rotatably mounted to a shaft | 06-02-2011 |
| 20110135296 | MECHANICAL SHUTTER AND CAMERA MODULE HAVING SAME - An exemplary mechanical shutter includes a barrel, a first blade, a second blade, a third blade, a magnet, and a magnetic field generator. The barrel defines a through hole and an aperture in the hole. The first blade is arranged in the hole and mounted on the barrel. The second blade is slidably mounted on the first blade. The third blade is slidably mounted on the second blade. The magnet is attached to the third blade. The magnetic field generator is mounted on the fixture and spatially corresponding to the magnet. The magnetic field generator applies a magnetic field to the magnet. The magnet and the magnetic field generator cooperatively move the blade group between an extended position and an retracted position. | 06-09-2011 |
| 20110158635 | FOCAL PLANE SHUTTER AND IMAGING APPARATUS INCLUDING THE SAME - An imaging apparatus includes a focal plane shutter that has a simple mechanical structure, is easily manufactured and controlled, and provides a live view function. The focal plane shutter includes: a front curtain assembly including two or more front curtain links and two or more front curtain blades, wherein bosses are formed at one of the front curtain links and the front curtain blades, holes are formed in the remaining one of the front contain links and the front curtain blades, and the bosses are inserted into the holes; and a rear curtain assembly including two or more rear curtain links and two or more rear curtain blades, wherein bosses are formed at one of the rear curtain links and the rear curtain blades, holes are formed in the remaining one of the rear curtain links and the rear curtain blades, and the bosses are inserted into the holes. | 06-30-2011 |
| 20110206363 | CAMERA SHUTTER DEVICE AND OPTICAL APPARATUS HAVING THE SAME - A camera shutter device and an optical apparatus having the same are disclosed. The camera shutter device includes a pair of cores, each wrapped by a coil and having a distal end facing the other, wherein each coil is formed at the distal end with an electromagnetic force line generating unit. A magnet comprising a first magnet and a second magnet is interposed between the pair of cores. The magnet linearly and reciprocally moves in a direction perpendicular to the electromagnetic force line generating unit, and a slider opens and shuts a shutter blade as the magnet linearly and reciprocally moves, whereby miniaturization and thinning of the shutter device can be realized, and an opening/shutting operation can be stably performed. | 08-25-2011 |
| 20110206364 | CAMERA SHUTTER DEVICE AND OPTICAL APPARATUS HAVING THE SAME - A camera shutter device and an optical apparatus having the same are disclosed. The shutter device includes a core wrapped by a coil, wherein a first distal end and a second distal end of the core are arranged in parallel, and when a voltage is applied to the coil, the first and second distal ends exhibit a mutually opposite polarity with respect to each other. A magnet is arranged with a side facing the first and second distal ends of the core for linearly and reciprocally moving between the first and second distal ends. In addition, a slider opens and closes a shutter blade as the magnet linearly and reciprocally moves. Thus, the driving unit of the core, magnet, and slider can be miniaturized and thinned, and a reciprocatively moving distance of a magnet can he minimally shortened to quicken the opening/shutting operation. | 08-25-2011 |
| 20110206365 | CAMERA SHUTTER DEVICE AND OPTICAL APPARATUS HAVING THE SAME - A camera shutter device and an optical apparatus having the same are disclosed, wherein the device includes a core including a first rod and a second rod, each arranged in parallel with the other, and one of which is wrapped by a coil, a first distal end formed at the first rod to generate an electromagnetic force line, and a second distal end formed at the second rod to generate an electromagnetic force line, a magnet arranged in opposition to the first and second distal ends to linearly and reciprocally move between the first and second distal ends, a slider for opening and closing a shutter blade in a case the magnet linearly and reciprocally moves between the first and second distal ends, wherein each area of the first and second distal ends is larger than each cross-sectional area of the first and second rods, such that miniaturization and thinning of the shutter device can be realized, and generation of trembling phenomenon can be prevented during an opening/shutting operation of the shutter blade. | 08-25-2011 |
| 20120008932 | FOCAL PLANE SHUTTER AND OPTICAL DEVICE - A focal plane shutter includes: an electromagnet; a board including an opening; a blade movable between a position where the blade recedes from the opening and a position where the blade covers at least part of the opening; and a drive lever driving the blade, and including: a spindle portion provided at its one end with a flange portion; an iron piece provided at the other end of the spindle portion and capable of being adsorbed to the electromagnet; a support portion including a through hole through which the spindle portion penetrates with a play; and a guide portion provided along the iron piece. | 01-12-2012 |
| 20120033961 | SHUTTER DEVICE AND IMAGE CAPTURING APPARATUS HAVING THE SAME - A shutter device and an image capturing apparatus including the shutter device are provided. The shutter device includes at least one shutter blade assembly, each of the at least one shutter blade assembly including at least one shutter blade that opens and closes the shutter opening and a driving link that drives the shutter blades, and at least one actuators for rotating the driving link, wherein a rotation center of the actuator is eccentric from a rotation center of the driving link. | 02-09-2012 |
| 20120076486 | CAMERA BLADE DRIVE DEVICE - In a camera blade drive device that includes a base plate | 03-29-2012 |
| 20120155850 | SHUTTER DEVICE CAPABLE OF PREVENTING FOREIGN MATTER FROM ADHERING TO MAGNETIC STICKING SURFACE AND CAMERA INCLUDING SHUTTER DEVICE - A shutter device capable of preventing foreign matter from adhering to an attracting surface of an armature to a yoke, without providing an additional member. In a state of the shutter device assembled to a camera body, an attracting surface of the armature, provided on a drive lever, to the yoke that magnetically attracts the armature extends perpendicularly to a bottom surface of the camera body and is disposed closer to the bottom of the camera body than is a pivotal axis of the drive lever. The shutter device releases the armature of the drive lever from a state attracted and held by the yoke to thereby allow the drive lever to pivot by the urging force of a drive spring, whereby said shutter blade is driven in the direction of closing an opening formed in a base plate. | 06-21-2012 |
| 20120207466 | COMPACT, LIGHTWEIGHT, ENERGY EFFICIENT, LOW NOISE SHUTTER MECHANISM - A robust, compact, lightweight, low energy, low cost, and low noise mechanical mechanism suitable for military and other demanding applications includes a Geneva drive that transitions a camera shutter or other element between two positions and locks the shutter or other element in place between transitions, thereby isolating the remainder of the mechanism from shutter vibrations and torques. Accordingly, the mechanism controlling the Geneva drive need not be especially robust even for military applications, and can be similar in size, weight, energy consumption, and noise to a conventional shutter mechanism. The driving mechanism can include a rotary actuator or a linear actuator with a rack gear. In various embodiments the driving mechanism includes a piezomotor. In certain embodiments, the starting and ending positions of the mechanism are determined by sensors, and in some embodiments the starting and ending positions are adjustable. | 08-16-2012 |
| 20120251094 | SHUTTER DRIVE DEVICE, SHUTTER DEVICE, AND IMAGING DEVICE - A shutter drive device includes a base member, an actuator, a first drive member, and a second drive member. The actuator is fixed to the base member and produces a driving force to drive the shutter mechanism. The first drive member is rotatably supported by the base member and configured to be rotated by the driving force. The second drive member is supported by the base member so as to be linearly movable in a first direction and configured to transmit the driving force of the actuator to the shutter mechanism. The first drive member has a gear component to drive the second drive member in the first direction, and a cam component configured to hold the second drive member in a specific position. The second drive member has a rack gear configured to mesh with the gear component, and a cam follower configured to contact the cam component. | 10-04-2012 |
| 20130156414 | CAMERA MODULE - The present invention relates to a camera module including: a shutter including a blocking unit for blocking progress of light, a fixing unit for preventing arbitrary motion of the blocking unit, and a magnet for rotating the blocking unit; a pair of electromagnets mounted about the magnet to rotate the magnet in response to changes in magnetic polarity; and a cylindrical fixing pole for providing an axis for rotating the magnet, wherein the magnet comprises a hole, the hole for inserting the fixing pole being formed through a portion adjacent to a center of the magnet. | 06-20-2013 |
| 20130223835 | EMBEDDED LINEAR MOTOR DRIVE FOR IR CAMERA SHUTTER - An embedded linear motor drive for an IR camera comprising linear motor components that integrates into a sliding shutter is disclosed. The linear motor components can be a linear array of magnets, or a series of ridges or gear teeth. A motor drive is aligned with the linear motor components. The drive can be a series of coils connected to a power source that can move the shutter when the coils are energized in series. The drive can also be a pinion shaft with a friction wheel at one end or pinion gear that can connect to the ridges or gear teeth and move the shutter when the shaft is rotated. | 08-29-2013 |
| 20140029931 | Shutter Having Magnet-Driven Drive Ring - A shutter assembly includes a drive ring having a permanent magnet disposed thereon. The shutter assembly also includes a solenoid defining a gap between first and second magnetic poles thereof, the drive ring being disposed coplanar with the solenoid and being rotatable in response to a magnetic field created between the first and second magnetic poles. The shutter assembly also includes a plurality of shutter blades configured to transition between an open position and a closed position in response to rotation of the drive ring. The shutter assembly further includes a base plate separating the plurality of shutter blades from at least one of the drive ring and the solenoid. | 01-30-2014 |
| 20140286632 | FOCAL PLANE SHUTTER AND OPTICAL DEVICE - A focal plane shutter includes: a board including an opening; a blade opening or closing the opening; an electromagnet including an iron core and a coil for energizing the iron core; and a drive lever holding an iron piece capable of being adsorbed to the iron core, capable of moving such that iron piece is moved into and away from the iron core, and driving the blade, wherein a plating process is performed on the iron core and the iron piece, a Vickers hardness of a plating of the iron piece is greater than that of a plating of the iron core, and a difference in the Vickers hardness between the plating of the iron piece and the plating of the iron core is 100 HV or more. | 09-25-2014 |
| 20150071628 | EMBEDDED LINEAR MOTOR DRIVE FOR IR CAMERA SHUTTER - An embedded linear motor drive for an IR camera composing linear motor components that integrates into a sliding shutter is disclosed. The linear motor components can be a linear array of magnets, or a series of ridges or gear teeth. A motor drive is aligned with the linear motor components. The drive can he a series of coils connected to a power source that can move the shutter when the coils are energized in series. The drive can also be a pinion shaft with a friction wheel at one end or pinion gear that can connect to the ridges or gear teeth and move the shutter when the shaft is rotated. | 03-12-2015 |
| 20150131986 | SHUTTER DEVICE AND IMAGE PICKUP APPARATUS INCLUDING SHUTTER DEVICE - When a stepping motor is used as a driving source for a shutter device, if the stepping motor loses synchronization because of variations in load during driving or the like, it becomes unable to rotate a driving ring at that time, and this disables an exposure operation. In a first zone where a driven member is driven, but a light shielding member remains in a closed state or an open state, the motor drives the driven member in open-loop driving mode. In a second zone where the driven member is driven, and thus the light shielding member moves to the closed state or the open state, the motor drives the driven member in feed-back driving mode. | 05-14-2015 |
| 20160377960 | MAGNETIC FLUID SHUTTER OPERATION - Techniques related to a method, apparatus, and systems for magnetic fluid shutter operation are described herein. For example, an apparatus may include an aperture of an image sensor. The apparatus may also include a ferrofluid to expose the aperture based on a propagation direction of a magnetic flux applied to the ferrofluid. | 12-29-2016 |
| 396465000 | Latching relay | 5 |
| 20100027987 | Shutter device and image pickup apparatus - Disclosed herein is an image pickup apparatus including: an image sensor; and a shutter device, wherein said shutter device includes a trailing curtain, a first driving member, a second driving member, first urging force applying means, and a charging member. | 02-04-2010 |
| 20120269505 | IMAGING APPARATUS - When an imaging apparatus performs normal image-capturing, an energization control unit energizes a driving source to move a body release lever from a locking position to a releasing position, and then does not energize the driving source. When the imaging apparatus performs continuous image-capturing, the energization control unit energizes the driving source to move the body release lever from the locking position to the releasing position, and then energizes the driving source to regulate bounding of the body release lever. | 10-25-2012 |
| 396466000 | Plural latching relays | 3 |
| 20100054727 | Camera - In a camera, the first cam is rotated to assume a rotational phase at which drive of the first shutter blade set with the first drive force is not hindered and the second drive force charge cam face in contact with the second charge member charges the second drive force as the rotating shaft is caused to rotate to a first rotational phase. The second drive force charge cam in contact with the second charge member sustains a second drive force charging state during a transition period in which the rotating shaft in the first rotational phase rotates to a second rotational phase. The first drive force charge cam face in contact with the first charge member charges the first drive force and the second drive force charge cam face in contact with the second charge member charges the second drive force as the rotating shaft is caused to rotate from the first rotational phase to the second rotational phase. | 03-04-2010 |
| 20100284685 | Focal Plane Shutter For Cameras - A focal plane shutter for cameras includes: a shutter blade assembly; an electromagnet assembly; driving means that includes a mounting member mounted with an iron scrap member that cooperates with an iron core member of the electromagnet assembly; and a setting member that operates the driving means to a set position. The iron scrap member includes a shaft fitted in a mounting hole of the mounting member, an iron scrap portion provided at one end of the shaft and brought into contact with the iron core member, and a removal preventing flange provided at the other end of the shaft, a collar member is fitted to the shaft between the mounting hole and the flange, an edge of the mounting hole is formed to have an arcuate surface protruding toward the collar member, and the collar member is formed to have, on the edge side, an arcuate surface protruding toward the flange and substantially perpendicular to the arcuate surface. | 11-11-2010 |
| 20110255857 | Camera - In a camera, the first cam is rotated to assume a rotational phase at which drive of the first shutter blade set with the first drive force is not hindered and the second drive force charge cam face in contact with the second charge member charges the second drive force as the rotating shaft is caused to rotate to a first rotational phase. The second drive force charge cam in contact with the second charge member sustains a second drive force charging state during a transition period in which the rotating shaft in the first rotational phase rotates to a second rotational phase. The first drive force charge cam face in contact with the first charge member charges the first drive force and the second drive force charge cam face in contact with the second charge member charges the second drive force as the rotating shaft is caused to rotate from the first rotational phase to the second rotational phase. | 10-20-2011 |
| 396467000 | Plural linear solenoids | 2 |
| 20110052183 | AF/ZOOM SHUTTER WITH TWO BLADES FUNCTION - A miniature camera module comprising: a module frame comprising a surface with a conduit passing through the surface, thereby allowing light to pass through the surface via the conduit; a first blade coupled to the module frame and configured to rotate about a first axis between an open position and a closed position, wherein the first blade does not eclipse the conduit at all when in the open position and the first blade at least partially eclipses the conduit when in the closed position; a first solenoid coupled to the module frame; and a first pin coupled to the first solenoid, wherein an actuation of the first solenoid causes the first pin to rotate the first blade from the open position to the closed position. In some embodiments, the module includes additional blades, solenoids and pins. | 03-03-2011 |
| 20130251359 | IMAGE-PICKUP APPARATUS HAVING SHUTTER APPARATUS - An image-pickup apparatus includes a driving member for leading blades configured to drive a leading blade group, a driving member for trailing blades configured to drive a trailing blade group, a cam member configured to rotate the driving member for leading blades and the driving member for trailing blades, a motor configured to drive the cam member, and a controller configured to control the motor. The controller applies a second voltage that is lower than a first voltage applied in releasing the driving member for leading blades to the motor when the driving member for trailing blades is released at normal shooting, and a third voltage that is lower than the first voltage and that is higher than the second voltage to the motor when the driving member for trailing blades is released at live view shooting. | 09-26-2013 |
| 396468000 | Single linear solenoid | 8 |
| 20090232488 | SHUTTER ACTIVATION SYSTEM - A shutter includes at least one shutter blade, a magnet moveably connected to the at least one shutter blade, and a solenoid defining a gap between a first pole and a second pole. The solenoid is configured to controllably draw the magnet into the gap in a first state and to controllably repel the magnet from the gap in a second state. | 09-17-2009 |
| 20090232489 | SHUTTER ACTIVATION SYSTEM - A method of controlling a plurality of shutter blades includes providing a shutter assembly including a solenoid having a first magnetic pole, a second magnetic pole, and a gap between the first and second poles. The shutter assembly also includes a permanent magnet moveable within the gap in a path coplanar with the solenoid, wherein movement of the permanent magnet transitions the plurality of shutter blades between an open position exposing a central opening of the shutter assembly and a closed position. The method also includes moving the plurality of shutter blades between the open and closed positions, and reducing an electrical signal applied to the solenoid while the plurality of shutter blades is in transit between the open and closed positions. | 09-17-2009 |
| 20090232490 | COIL BOBBIN, ACTUATOR, AND BLADE DRIVE DEVICE FOR CAMERA - A coil bobbin includes: a body portion around which a coil is wound and having a cylindrical shape; a pair of flange portions formed at both ends of the body portion respectively; and terminal portions which are formed in the pair of flange portions, respectively, the terminal portions being around which respective ends of the coil are wound. The pair of flange portions have thicker portions and thinner portions, respectively, different from each other in thickness. The pair of flange portions is formed to gradually reduce a thickness from the thicker portions toward the thinner portions, respectively. The terminal portions are formed in the thicker portions, respectively. | 09-17-2009 |
| 20100189432 | SHUTTER ASSEMBLY WITH DRIVE RING-MOUNTED MAGNET - A shutter assembly includes a drive ring having a permanent magnet disposed thereon. The shutter assembly also includes a solenoid defining a gap between first and second magnetic poles thereof, the drive ring being disposed coplanar with the solenoid and being rotatable in response to a magnetic field created between the first and second magnetic poles. The shutter assembly also includes a plurality of shutter blades configured to transition between an open position and a closed position in response to rotation of the drive ring. The shutter assembly further includes a base plate separating the plurality of shutter blades from at least one of the drive ring and the solenoid. | 07-29-2010 |
| 20110038626 | SHUTTER DEVICE FOR CAMERA - The present invention relates to a shutter device for camera used for small-sized digital equipment and includes a base forming a light transmission hole to expose a film or charge-coupled device (CCD) to laser beam; an electromagnet mounted on one side of the base; a driving arm which is mounted on one side of the electromagnet on the base so as to pivot on the base; a first shutter and a second shutter to open and close the light transmission hole, which pivots on the part of the base in association with the pivoting of the driving arm; and a magnetic which is installed on the driving arm and has the north magnetic pole and the south magnetic pole at opposite ends of the magnetic or on surfaces opposite to the electromagnet. The driving arm drives the first shutter and the second shutter by pivoting in a clockwise or counter-clockwise direction by the attractive force and repulsive force generated between the electromagnet and the magnetic according to the direction of the electric current applied to the electromagnet, the electromagnet includes a bobbin and a coil wound around the bobbin, and each side of the bobbin having opposite poles of magnetic field is disposed adjacent to the north and south pole. | 02-17-2011 |
| 20110069949 | Camera shutter - A camera shutter comprising a shutter driving means which has permanent magnets on both ends of a swingably journaled swinging lever and drives a shutter blade by conduction of electricity to a magnet coil wound around an iron core that is fixed so as to face the permanent magnets, thereby performing efficient motion. A camera shutter comprises a base plate having a shutter opening; a shutter blade for opening and closing the shutter opening; and a driving means for driving the shutter blade, wherein the driving means comprises a swingably journaled swinging lever having arm portions on both sides of a rotating shaft as well as a portion connected to the shutter blade, permanent magnets provided on both ends of the arm portions, a magnet coil wound around an iron core that is fixed so as to face the permanent magnets of the both ends, and an electromagnetic drive circuit for controlling electricity conduction to the magnet coil; and the swinging lever is operated by attractive force toward or repelling force against the permanent magnet that is generated by conduction of electricity to the magnet coil to drive the shutter blade. | 03-24-2011 |
| 20120134660 | FOCAL PLANE SHUTTER AND OPTICAL APPARATUS - A focal plane shutter includes: a board including an opening; blades capable of opening and closing the opening; a drive lever swingably supported, holding a movable iron piece and driving the blades; a self-holding type solenoid capable of adsorbing to the movable iron piece by a given attraction force in a non-energized state, and reducing the given attraction force in an energized state; a biasing member biasing the drive lever to move the drive lever away from the self-holding type solenoid; and a set member moving the drive lever to abut the drive lever with the self-holding type solenoid, wherein the self-holding type solenoid is energized to reduce the given attraction force when the drive lever is swung by the set member to abut the movable iron piece with the self-holding type solenoid. | 05-31-2012 |
| 20130136442 | SHUTTER ASSEMBLY WITH DRIVE RING-MOUNTED MAGNET - A shutter assembly includes a drive ring having a permanent magnet disposed thereon. The shutter assembly also includes a solenoid defining a gap between first and second magnetic poles thereof, the drive ring being disposed coplanar with the solenoid and being rotatable in response to a magnetic field created between the first and second magnetic poles. The shutter assembly also includes a plurality of shutter blades configured to transition between an open position and a closed position in response to rotation of the drive ring. The shutter assembly further includes a base plate separating the plurality of shutter blades from at least one of the drive ring and the solenoid. | 05-30-2013 |
| 396469000 | Plural dynamo-electric actuators | 7 |
| 20090245780 | Shutter device - A shutter device comprises a base, two electromagnetic valves, two blades, and a cover plate. A first light hole is formed in the center of base. The electromagnetic valve comprises a magnetic core, a coil unit, and a magnetic part. The magnetic cores and coil units are on the base, being axially symmetrical at the periphery of first light hole of the base. The blades join with the corresponding magnetic parts of the electromagnetic valves, in which each of the blades may travel between first and second positions at a degree of freedom to open or shut the first light hole through which rays of light pass. The cover plate is assembled onto the base and provided with a second light hole corresponding to the first light hole. The two magnetic cores are axially symmetrical on the base and lie at the periphery of first light hole. | 10-01-2009 |
| 20100329664 | SHUTTER DEVICE FOR CAMERA - A shutter device mounted in a compact device such as a camera or mobile phone is provided. The shutter device includes, a base which forms a light permeation hole through which a film or a charge coupled device (CCD) is exposed to a light; a first and second electromagnets which are mounted to opposite sides of the base; a driving arm in which one end is rotatably assembled with a side of the base between the first electromagnet and the second electromagnet; a first and second shutters which open or close the light permeation hole while concurrently rotating about a part of the base in association with the rotation of the driving arm; and a magnetic which is mounted to an end of the driving arm, and rotates the driving arm in a clockwise or counter clockwise direction while moving by the magnetic force between the first electromagnet and the second electromagnet along a direction of an electric current applied to the first and second electromagnets. | 12-30-2010 |
| 20110222843 | FOCAL PLANE SHUTTER FOR DIGITAL CAMERAS - When a hold member rotates on a shaft counterclockwise in the set operation, pressing parts of a pressing member which is fitted on top end of the hold member press pressed parts of iron piece members to rotate a lock-releasing member for a first blade and a lock-releasing member for a rear blade so that the iron piece members are made to come into contact with iron-core members of electromagnets, while an engagement pin presses an arm of a connection spring to rotate a restraining member clockwise so that a restraining part of the restraining member moves into the trajectory of the movement of a restrained part of the lock-releasing member for the rear blade. When the coils of the electromagnets are not electrified and the hold member rotates clockwise, the lock-releasing member for the front blade presses a front blade locking member to make it possible to perform an open operation of the front blade, while the lock-releasing member for the rear blade cannot press a rear blade locking member because the lock-releasing member for the rear blade is restrained by the restraining member. As a result, an exposure aperture is fully opened, and it becomes possible to perform observation with electronic finder. | 09-15-2011 |
| 20140010526 | FOCAL PLANE SHUTTER AND OPTICAL APPARATUS PROVIDED WITH SAME - A focal plane shutter includes: a board including an opening; a leading blade and a trailing blade opening and closing the opening; first and second drive members respectively driving the leading blade and the trailing blade; first and second actuators respectively driving the first and second drive members; a first biasing member biasing the first drive member to move the leading blade away from the opening; and a second biasing member biasing the second drive member to move the trailing blade away from the opening. | 01-09-2014 |
| 20140010527 | BLADE DRIVE DEVICE AND OPTICAL INSTRUMENT - A blade drive device includes: a board including an opening; a blade movable between a position receding from the opening and a position covering at least a portion of the opening; a first actuator including a first rotor rotatable about a first axis and a first stator, and being capable of driving the blade; a second actuator including a second rotor rotatable about a second axis and a second stator, and being capable of driving the blade; first and second positioning portions respectively positioning the first and second actuators; and a first biasing member respectively biasing the first and second actuators toward the first and second positioning portions. | 01-09-2014 |
| 20140369675 | BLADE DRIVE DEVICE AND OPTICAL INSTRUMENT - A blade drive device includes: a board including an opening; first and second blades opening and closing the opening; and first and second actuators arranged adjacent to each other and respectively driving the first and second blades, wherein the first and second actuators respectively include first and second stators, first and second rotors, and first and second coils, and the first and second rotors is arranged to sandwich at least one of the first and second coils. | 12-18-2014 |
| 20150050014 | BLADE DRIVE DEVICE AND OPTICAL INSTRUMENT - A blade drive device includes: a board including an opening; first and second blades opening and closing the opening; and first and second actuators respectively driving the first and second blades, wherein the first and second actuators respectively include first and second stators, first and second rotors, and first and second coils, and respectively drive the first and second blades through first and second drive members, the first drive member is arranged to overlap the first stator and the first coil in an optical axis direction, and the second drive member is arranged to overlap the second stator and the second coil in the optical axis direction. | 02-19-2015 |
| 396470000 | Having spring return | 3 |
| 20110293263 | CENTRAL SHUTTER FOR CAMERA OBJECTIVES - A central shutter for camera objectives, said central shutter having a ring-shaped leaf carrier ( | 12-01-2011 |
| 20120087646 | FOCAL-PLANE SHUTTER AND OPTICAL APPARATUS - A focal plane shutter includes: an electromagnet; a board including an opening; blades capable of opening and closing the opening; a drive member holding an iron piece adsorbed to the electromagnet and driving the blades, the drive member being movable such that the iron piece moves toward and away from the electromagnet and being biased by a spring such that the iron piece moves away from the electromagnet; and a holding board facing the board and including a pair of sandwiching portions elastically deformable and holding and sandwiching the electromagnet. The electromagnet includes a restriction portion engaging the board and restricting a movement of the electromagnet in a direction where the iron piece moves away from the electromagnet. | 04-12-2012 |
| 20130136443 | FOCAL PLANE SHUTTER FOR CAMERAS - In a focal plane shutter according to the present invention, a support plate is placed while a plate plane of the support plate is parallel to a shutter base plate, a second blade-driving member is fitted to a shaft erectly provided on the shutter base plate, the second blade-driving member being rotated by the biasing force of a second blade-driving spring, an electromagnet for second blade is fitted to the support plate, the electromagnet attracting and holding an iron piece member fitted to the second blade-driving member, a printed wiring board on which a wiring pattern for supplying electric current to the electromagnet is formed is placed in a hole formed in the support plate, and terminal pins of the electromagnet are soldered to the both ends of a coil. | 05-30-2013 |
