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Patent Searching and Data


Matches 751 - 800 out of 18,529

Document Document Title
JP2013073095A
To provide a multi-stage diaphragm device with a practical configuration, capable of stably obtaining a stopped position of a diaphragm drive ring in each diaphragm aperture control state.Three holes 1j to 1m are formed at the bottom of ...  
JP2013073203A
To make a rotor unit rotatable relative to a stator unit without using a bearing member or the like.A diaphragm device according to the invention is provided with a diaphragm driving motor 6 having a stator unit 37 and a rotor unit 38. T...  
JP2013068819A
To obtain a sufficient autofocus performance regardless of the state of a diaphragm by forming the diaphragm in the shape of an opening corresponding to the direction of pupil division.The imaging apparatus comprises: an imaging part in ...  
JP5183839B2  
JP5183043B2  
JP5185602B2  
JP5185667B2  
JP5185603B2  
JP5183898B2  
JP5183890B2  
JP2013064995A
To provide NA (numerical aperture) control unit that selectively or simultaneously makes focus adjustment and aperture adjustment, thereby controlling NA, and to provide a variable type photo-probe, video diagnostic system, depth scannin...  
JP2013064881A
To achieve an object of speeding both the stopping-down action and the opening-up action in picking up still images and of improving the accuracy, fineness and quietness in the whole range from a fully open state to a narrowly stopped-do...  
JP5178627B2  
JP5178216B2  
JP5173979B2  
JP5177425B2  
JP5173293B2  
JP5169361B2  
JP5171067B2  
JP5171105B2  
JP2013054394A
To provide a light quantity adjustment device able to use an infrared ray cutoff filter highly reliably as required without increasing its thickness.The light quantity adjustment device comprises: a light quantity adjustment mechanism th...  
JP5168533B2  
JP2013054393A
To inexpensively manufacture a light shielding film which is excellent in heat resistance and dimensional stability, has a high light-shielding property and low glossiness, and is small in dispersion of the properties.A light shielding f...  
JP5164466B2  
JP2013050661A
To provide an interchangeable lens which does not make a subject image poor-looking by driving a diaphragm and an intermediate adaptor.An interchangeable lens includes: attachment means which is detachably attached with a camera body; an...  
JP2013050691A
To provide an imaging apparatus capable of suitably detecting the focus of an optical system.An imaging apparatus includes: an imaging part 22 that photographs images by photographic optical systems 31, 32, and 33 to output picture signa...  
JP2013051472A
To restrict the frequency with which malfunction of an optical system occurs.An imager 18, having an imaging surface to capture an optical image through a shutter mechanism 15 and a focus lens 16, outputs raw image data corresponding to ...  
JP2013047731A
To provide a structure in which photographic magnification increase and reduction in size can be made compatible by reducing a distance between a lens unit and a diaphragm unit in an optical axis direction and high-level diaphragm contro...  
JP5159349B2  
JP5156907B2  
JP2013046013A
To provide a back-illuminated CMOS solid-state imaging device that avoids the degradation of image quality.A solid-state imaging device 21 includes a semiconductor substrate 42 on which PDs 32 converting received light into an electric s...  
JP2013041017A
To provide a dimmer capable of maintaining a separation distance between end portions of a light-shielding member and of enhancing an extinction rate, and further to provide a projector.A dimmer blocks a light beam made incident thereto ...  
JP2013041027A
To provide an optical filter made of a multiple-density ND filter including a gradient type with excellent optical characteristics and allowing easy production.A fine rugged structure 32 being rugged with a variable height or pitch is co...  
JP5154766B2  
JP5153008B2  
JP2013037305A
To provide a lens retention diaphragm capable of reducing lens lifting effect due to wrinkle, breakage or elasticity of a marginal washer, and also reducing effect of moment stress on the lens at crimping.A lens retainer comprises: a she...  
JP5148369B2  
JP5145662B2  
JP2013033165A
To provide an imaging apparatus capable of suppressing heat generation of an electromagnet when performing long-time exposure, and also suppressing reduction in exposure accuracy when performing high speed exposure.In a digital camera 1,...  
JP2013033241A
To provide an optical filter showing low reflection and having light-absorbing property, and to provide an optical device using the optical filter and a method for manufacturing the optical filter.The optical filter includes, on a substr...  
JP5143177B2  
JP5141243B2  
JP5140914B2  
JP5144359B2  
JP2013029693A
To increase the number of light shielding blades in a light amount control device without enlargement of the device in a radial direction.A light amount control device 19 includes: a base member 32 having a fixed aperture 31a; a driving ...  
JP2013030566A
To provide a small-type electromagnetic actuator capable of positioning a yoke against a rotor with high precision while suppressing magnetic loss of the yoke.An electromagnetic actuator includes a rotor and a yoke having two magnetic po...  
JP2013029730A
To stop a rotor of an electromagnetic actuator by its own damping torque.An electromagnetic actuator includes: a rotor 50 which has a magnetized rotor part and a driving pin and is turned around a prescribed center axial line S; an excit...  
JP2013025164A
To provide an adapter which can functionalize various types of optical systems appropriately for a lens interchangeable type camera system.An adapter comprises: a first mount unit to/from which a camera body is attachable and detachable;...  
JP2013025183A
To solve a problem in which in the case where a tentative aperture value to be narrowed before a release operation is determined according to an appropriate aperture value, if a luminance of a subject is significantly varied, for example...  
JP2013025154A
To provide a small size adaptor.An adaptor is an adaptor that connects an interchangeable lens in which an aperture ratio of a diaphragm is changed by deviation of a diaphragm driving member, and a camera body. The adopter includes: a mo...  

Matches 751 - 800 out of 18,529