Class / Patent application number | Description | Number of patent applications / Date published |
396493000 | Pivoting or rotating blade type | 30 |
20090003823 | SHUTTER AND OPTICAL APPARATUS HAVING THE SAME APPARATUS - A shutter for an optical apparatus has multiple sectors and an operation member. Each of the multiple sectors has a cam opening for engagement and is pivotally provided to open and close a shutter opening, the operation member moves each of said multiple sectors in engagement with the cam opening, and the cam opening of at least one sector that is one of the multiple sectors is formed to change a moving direction of said at least one sector, when the operation member moves said at least one sector to a position to close the shutter opening. | 01-01-2009 |
20090041451 | Lens Barrel - A lens barrel includes: a photographic optical system capable of altering focal length; a movable lens group constituting part of the photographic optical system, that moves along an optical axis when altering the focal length; an image sensor disposed at an image forming plane of the photographic optical system to capture a subject image; and a shutter unit disposed between the movable lens group and the image sensor, that comprises a shutter blade that blocks a photographic light flux passing through the photographic optical system. A principal-point of the photographic optical system moves as the movable lens group moves along the optical axis. The shutter unit is disposed by assuring that a distance between a range of motion endpoint of the movable lens group and the shutter blade is shorter than a distance between the image sensor and the shutter blades. | 02-12-2009 |
20090154913 | LIGHT QUANTITY CONTROL DEVICE - A light quantity control device includes: a bottom board having an opening; a first blade, a supporting blade and a second blade linearly moving in opposing directions and controlling light quantity passing through the opening; and a driving lever connected to the set of blades and driving the set of blades by rotation of the driving lever. The driving lever rotates within degrees centering on a phantom line A passing through a rotational center of the driving lever and being parallel with the moving directions of the blades. | 06-18-2009 |
20090154914 | LIGHT QUANTITY CONTROL DEVICE - A light quantity control device includes: a bottom board having an opening; a first blade, a supporting blade, and a second blade linearly moved in opposing directions and controlling the opening to a fully open state, a fully closed state, and a small aperture state; a driving lever connected to the set of blades and driving the set of blades by rotation of the driving lever; and a stopper restricting a rotational range of the driving lever. The set of blades controls the opening to the small aperture state when the driving lever is positioned at one end of the rotational range defined by the stopper. | 06-18-2009 |
20090263119 | SHUTTER DEVICE - Provided is a shutter device including a coil layer that includes one or more substrates having a through-hole formed in the center thereof and a coil installed thereon, the coil generating a magnetic field when a current is applied; and a shutter layer that is installed on one surface of the coil layer and includes a shutter case having a shape corresponding to the substrate and a pair of shutter blades which are connected to flexible suspensions formed in the shutter case, respectively. The shutter blades open and close the through-hole of the substrate, while being moved in the reverse direction to each other by an electromagnetic force caused by an interaction with the magnetic field generated by the coil and returning to the original position due to the recovery force of the flexible suspensions when the electromagnetic force is canceled. | 10-22-2009 |
20100054728 | BLADE DRIVE DEVICE AND OPTICAL EQUIPMENT - A blade drive device according to a first embodiment includes: a board including an opening and a slide slot; a blade for adjusting an opening amount of the opening; and a transmitting member for transmitting a drive force from an electromagnetic actuator to the blade through the slide slot. The transmitting member includes: an arm member revolving; and an engagement member sliding in contact with an inner surface of the slide slot in conjunction with a revolving of the arm member, and being brought into pressure contact with the inner surface of the slide slot by an external impact. | 03-04-2010 |
20100054729 | SECTOR BLADE DRIVING APPARATUS - A sector blade driving apparatus includes: a board having an opening; a blade supported for linear movement, adjusting an opening amount of the opening, and having first and second engagement holes; a drive member rotating to drive the blade; and an arm transmitting an drive force of the drive member to the blade, and provided in the drive member. The arm is provided with first and second drive pins respectively engaging the first and second engagement holes. | 03-04-2010 |
20100178049 | FOCAL PLANE SHUTTER FOR CAMERAS - In the focal plane shutter for cameras, a shutter base plate, an shank for attaching the first blade drive component and the second blade drive component respectively so as to enable to be rotated, an shank for attaching a set component so as to enable to be rotated, and an shank for attaching the first blade and the second blade so as to enable to be rotated respectively are made of synthetic resins. Each of the shanks is fabricated after a shutter base plate was fabricated beforehand, and grooves for sump having cross section of V letter shape are formed at the same interval of angle extending toward the axial direction of the shank at the circumferential side surfaces of the shanks. | 07-15-2010 |
20100196001 | Actuator mechanism and a shutter mechanism - In one example, an actuator mechanism comprising: one or more coils for establishing a magnetic field; a rotating permanent magnet, which has at least one extreme position depending on the magnetic field; and driving members, which are coupled to the permanent magnet and by means of which the members coupled to the actuator mechanism are driven. In another example, an actuator mechanism comprising: one or more wires, which are manufactured of a shape memory alloy that shrinks when heated; and driving members, which are coupled to said wire and by means of which the members connected to the actuator mechanism are driven. | 08-05-2010 |
20100202770 | BLADE DRIVING DEVICE FOR CAMERAS - A base plate is elongate and an opening for a photographing optical path is configured close to one end in its longitudinal direction. A shutter blade is rotatably mounted to the blade-mounting shank of the base plate so that when the opening is fully opened, a part covering the opening is stored in the region of the base plate in the longitudinal direction. Another shutter blade is slidably mounted to the blade-mounting shank of the base plate so that when the opening is fully opened, a part covering the opening is stored in the region of the base plate in its lateral direction. Each of the shutter blades is constructed so that the reciprocating operation is performed by the driving pin of an electromagnetic actuator to open and to close the opening. | 08-12-2010 |
20110222844 | OPENING/CLOSING ASSEMBLY FOR LIGHT PATH AND PHOTOGRAPHING APPARATUS INCLUDING THE SAME - An opening/closing assembly for a light path and a photographing apparatus including the same, comprises: a barrier base having an opening for providing the light path; a rotatable barrier installed on the barrier base for opening/closing the light path, and including an insertion portion; a first driving member disposed on the barrier base and including a first engagement groove in which the insertion portion is inserted and a functional portion on which an external force is exerted; a second driving member disposed on the barrier base and including a second engagement groove in which the insertion portion is inserted; and an elastic member for elastically connecting the first driving member and the second driving member, wherein, when the barrier is rotated, a distance between a portion of the first engagement groove contacting the insertion portion and a portion of the second engagement groove contacting the insertion portion is varied. | 09-15-2011 |
20120128345 | SHUTTER DEVICE - When a blade drive spring has been overcharged when a second cam gear has caused a drive lever to move to a position beyond a position of attraction of an armature by a yoke, a blade lever does not contact the drive lever even if the blade lever has been driven in a direction of opening an aperture by a first blade and a second blade with an urging force of a blade return spring. When the second cam gear has moved to the attraction position form the overcharged position, the blade lever contacts the drive lever before the yoke starts attracting the armature by the attractive force. | 05-24-2012 |
20120128346 | SHUTTER DEVICE - A blade lever is provided with a roller bearing portion, which extends towards a shaft around which a roller is rotatably supported to prevent falling off of the roller. The roller bearing portion is provided within a range of movement of the shaft when the blade lever is driven in a direction of opening an aperture by a first blade and a second blade with an urging force of a blade return spring. | 05-24-2012 |
20120288270 | DEVICE FOR SYNCHRONIZING SHUTTER BLADES - A device for synchronizing shutter blades, which are each fastened to a swivel arm which is mounted rotatably on a swivel pin on a circular-ring-shaped blade carrier, is distinguished in that a synchronizing ring disc ( | 11-15-2012 |
20130322866 | BLADE DRIVE DEVICE AND OPTICAL EQUIPMENT - A blade drive device includes: a blade; a board including an opening opened and closed by the blade; an actuator including a rotor; an output member driven by the rotor; a drive member rotatable relative to the board in response to the output member; a driven member driving the blade in response to the drive member; and a holder holding the actuator, wherein the holder includes an escape hole, the drive member includes: a support portion rotatably supported; a first connection portion connected with the output member; and a second connection portion connected with the driven member, and the first connection portion is positioned in the escape hole between the second connection portion and the support portion. | 12-05-2013 |
20130343744 | SHUTTER APPARATUS AND IMAGE-PICKUP APPARATUS HAVING THE SAME - A shutter apparatus includes a shutter base plate having an aperture, a blade group configured to open and close the aperture, a blade driving member configured to drive the blade group, a charge lever configured to rotate the blade driving member, a first roller which is attached to a first axis portion extending from the blade driving member and abuts against the charge lever, a cam member configured to rotate the charge lever, and a second roller which is attached to a second axis portion extending from the charge lever and is configured to trace a cam portion formed on the cam member. The cam member has a flange protruding from the cam portion to periphery of the cam member. And the cam member is arranged so that the second roller is overlapped with the flange in an extending direction of the second axis portion. | 12-26-2013 |
20140294374 | FOCAL PLANE SHUTTER FOR CAMERA - A focal plane shutter for a camera which is suitable for miniaturization and arranged to prevent wear debris from entering into a blade chamber via a base plate hole. Wall portions ( | 10-02-2014 |
396497000 | Plural oscillating blades | 13 |
20080317460 | Camera shutter with whip action and method for producing same - A shutter assembly has an actuator for applying a whip action on a shutter wing for blocking or exposing an aperture. The shutter wing has a first blade fixedly connected to the actuator and a second blade movably connected to the first blade. When the shutter wing is in the closed position, the blades form a folded shape with a waist section large enough to cover the entire aperture. When the shutter wing is in the open position, the blades form an extended shape having a narrower waist section. The blades can be connected to each other by a hinge or a wire. Two shutter wings located on opposite sides of the aperture can be used to create a gap therebetween to control the exposure in a camera. As the shutter wings move from one side to another, the gap acts like a moving slit across the aperture. | 12-25-2008 |
20100074612 | BLADE DRIVE DEVICE - A blade drive device includes: a board having a shutter opening; a blade for adjusting an amount of light entering the shutter opening; and a transmitting member for transmitting a drive force to the blade. The transmitting member includes a drive pin swinging about a given support point. The blade has a first cam slot engaged with the drive pin and swinging about a given support point in conjunction with a swinging of the drive pin. The first cam slot includes a first permitting area and a first restricting area. The blade is permitted to swing when the drive pin is located in the first permitting area. The blade is restricted from swinging when the drive pin is located in the first restricting area. | 03-25-2010 |
20110217033 | MECHANICAL SHUTTER AND PORTABLE ELECTRONIC DEVICE WITH SAME - A mechanical shutter includes a base, a cover, a primary blade and a secondary blade. The base includes a first through hole and a connecting shaft extending from the base. The cover includes a second through hole and a connecting hole. The connecting shaft of the base extends through the connecting hole to secure the cover to the base. The first through hole is coaxial to the second through hole, thereby cooperatively forming an light passage. The primary blade and the secondary blade are moveably interconnected so when the primary blade rotates around the connecting shaft relative to the base, the primary blade carries the secondary blade to move, and the secondary blade moves together to cover or expose the light passage. | 09-08-2011 |
20120106945 | FOCAL PLANE SHUTTER FOR CAMERA - A first blade includes two arms and four blades, and is arranged between a shutter base plate and an intermediate plate. A second blade includes two arms and four blades, and is arranged between the intermediate plate and an auxiliary base plate. During an exposure operation, the four blades of the first blade are brought into an overlap state from a development state and the four blades the second blade are brought into the development state from the overlap state. Since a contour forming edge of the intermediate plate above the opening portion is formed in the shape of an arc, the four blades of the second blade are able to start an operation appropriately from the overlap state. | 05-03-2012 |
20120141111 | SHUTTER BLADE AND SHUTTER USING THE SAME - A shutter blade is provided. The shutter blade includes a carbon nanotube structure and a polymer. The carbon nanotube structure includes a plurality of carbon nanotubes joined by van der Waals force. A camera shutter using the shutter blade is also provided. The camera shutter includes a blade structure, two drive units, a substrate defining an aperture, and a connection unit located on the substrate. The blade structure is connected with the connection unit and controls the aperture to be covered or uncovered. The blade structure includes at least two the above-mentioned shutter blades. The drive units are located on a same side of the substrate and configured to drive the blade structure to rotate clockwise or counterclockwise. | 06-07-2012 |
20120141112 | SHUTTER BLADE AND SHUTTER USING THE SAME - A shutter blade is provided. The shutter blade includes a carbon nanotube structure. The carbon nanotube structure includes a plurality of carbon nanotubes. A shutter using the shutter blade is also provided. The camera shutter includes a blade structure, two drive units, a substrate defining an aperture, and a connection unit located on the substrate. The blade structure is connected with the connection unit and controls the aperture to be covered or uncovered. The blade structure includes at least two the above-mentioned shutter blades. The drive units are located on a same side of the substrate and configured to drive the blade structure to rotate clockwise or counterclockwise. | 06-07-2012 |
20120189295 | SHUTTER FOR A CAMERA - A camera shutter is provided that includes a first drive member operating an opening blade; a first hook holding the first drive member in a charged position; a closing member operating a closing blade; a second drive member displacing the closing blade to position closing the shutter opening by operating the closing member; a second hook holding the second drive member in a charged position, and a magnet controlling operative timings between the first and second hooks. In operation, the magnet displaces the second hook from a rest position to a charged position and releases the first drive member from the first hook, thereby moving the opening blade. After a predetermined time, the magnet releases the hooking between the second hook and the second driving member such that the closing member is operated by the second driving member, thereby moving the closing blade to the position closing the shutter opening. | 07-26-2012 |
20130077950 | APERTURE CONTROLING MECHANISM FOR IMAGE RECORDING DEVICE - An image recording device includes a base plate; a blade assembly; and a driving mechanism. The base plate is formed with a guiding slot and a first axle. The blade assembly includes a first blade and a second blade stacked on the base plate and hinged to the first axle. The first blade is formed with a first pivot slot thereon, which has two first inner walls formed apart oppositely. The second blade is formed with a second pivot slot thereon, which has two second inner walls formed apart oppositely. The distance between the two second inner walls is greater than the distance between the two first inner walls. The driving mechanism includes a pin member projected through the guiding slot, the first pivot slot, and the second pivot slot. The first and second blades are driven by the pin member. Thereby, the image recording device can be miniaturized. | 03-28-2013 |
20150093105 | SHUTTER DEVICE - A shutter device includes a leading drive lever configured to move leading blades to a closed position at which the leading blades cover an opening and to move the leading blades to an open position at which the leading blades open the opening; a leading charge mechanism configured to rotate a leading charge lever in a charge direction to generate biasing force and to rotate, using the biasing force of the leading drive spring, the leading charge lever in a drive direction to rotate the leading drive lever in an opening direction; a leading lock lever configured to lock the leading charge lever having rotated in the charge direction; a leading attractive unit configured to hold, using electromagnetic force, the leading lock lever locking the leading charge lever; and a leading biasing mechanism configured to bias the leading lock lever in a release direction. | 04-02-2015 |
396498000 | Having gear means | 1 |
20100092166 | BLADE DRIVE DEVICE AND OPTICAL APPARATUS - A blade drive device includes a shutter unit. The shutter unit includes: a blade swingably supported; and a plurality of boards defining a blade chamber, each having an opening opened and closed by the blade. and an actuator serving as a drive force of the blade and including a rotor having a rotary shaft. The rotary shaft penetrates to the blade chamber. An elastic member is housed in the blade chamber, and urges the rotary shaft in a thrust direction. | 04-15-2010 |
396501000 | Opposite movement | 3 |
20080279545 | Miniature camera shutter and filter/aperture - The present invention is a miniature camera module for use in miniature camera applications. It is an object of the present invention to provide the miniature camera 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 module is positioned within a more elaborate miniature camera chassis. | 11-13-2008 |
20130136444 | Lens Barrier Device and Image Pickup Apparatus Thereof - A lens barrier device and an image pickup apparatus, comprising a moving barrel, a fixed barrel, a base plate, two vanes and a rotating plate. The base plate has a central window. Two vanes are inserted into the base plate and have a pivot and a control protrusion respectively. The rotating plate has a hollow part and two first grooves. A linking-up body is axially extended from the rotating plate, and has a first guiding protrusion. The moving barrel has a second guiding convex dot. The fixed barrel has a second groove and a third groove. The first guiding protrusion, the second guiding protrusion and the control convex dot are inserted into the first groove, the second groove and the third groove respectively. After the first guiding protrusion is driven, the rotating plate is linked to rotate to open or close the two vanes. | 05-30-2013 |
20140212122 | BARRIER DEVICE, LENS BARREL, AND IMAGING APPARATUS INCLUDING SAME - There is provided a barrier device including a main barrier blade and a sub barrier blade. In the operation range of the main barrier blade and the sub barrier blade, a portion of the contacting surface provided on the sub barrier blade that contacts on the main barrier blade is located within the operation range of the contacting surface provided on the main barrier blade that contacts on the sub barrier blade. | 07-31-2014 |