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Ricoh Imaging Company Ltd patents


Recent patent applications related to Ricoh Imaging Company Ltd. Ricoh Imaging Company Ltd is listed as an Agent/Assignee. Note: Ricoh Imaging Company Ltd may have other listings under different names/spellings. We're not affiliated with Ricoh Imaging Company Ltd, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "R" | Ricoh Imaging Company Ltd-related inventors


Lead screw device, lens driver, lens barrel, and camera using the lead screw device

An optical device includes an optical system including a plurality of lens groups, at least one lens group being a movable lens group moving in an optical axis direction, and a movable frame to move the movable lens group. The movable frame includes a driving source, a drive screw, a... Ricoh Imaging Company Ltd

Mechanism for attaching and detaching tripod seat

A mechanism for attaching and detaching a tripod seat, comprising: a first tripod seat unit; and a second tripod seat unit to which the first tripod seta unit is detachably attached, wherein: one of the first tripod seat unit and the second tripod seat unit has a first fixing member... Ricoh Imaging Company Ltd

Zoom lens system

f1, f2 and fIMG designate the focal lengths of the first, second and the image-side lens groups, respectively. D2 designates a distance between the second lens group and the intermediate lens group, at the short focal length extremity. fw designates the focal length of the zoom lens system at the... Ricoh Imaging Company Ltd

Imaging apparatus

An imaging apparatus comprising an imaging device; a photometry device; first to third exposure factors; first and second operation members for setting the first and second exposure factors; a first-to-third-exposure-factors-calculating-and-setting exposure mode for calculating and setting the first to third exposure factors to the calculated and set ones; a first-exposure-factor-manually-setting... Ricoh Imaging Company Ltd

Zoom lens system and electronic imaging apparatus using the same

vd1n designates the Abbe number, with respect to the d-line, of the negative lens element, which is provided closest to the object side within the first lens group, and f2 and f3 designate the focal lengths of the second and third lens groups, respectively.... Ricoh Imaging Company Ltd

Stage apparatus

A stage apparatus includes a movable member configured to move in a direction parallel to a predetermined plane, a base member configured to support the movable member to move relative to the base member, and a thrust generator including: a magnet provided on one the movable member and the base... Ricoh Imaging Company Ltd

Shake-correction device and shake-correction photographing apparatus

A shake-correction device for a photographing apparatus, which photographs an object image projected onto an imaging surface, includes a mover provided with a movable member, the mover configured to rotate at least one of the object image and the imaging surface relative to a plane orthogonal to the optical axis,... Ricoh Imaging Company Ltd

Photographing apparatus

A photographing apparatus includes an imaging-plane tilter configured to tilt an imaging plane, formed by a photographing optical system, relative to a plane that is orthogonal to an optical axis of the photographing optical system; a focus detector provided with a plurality of focus detection areas; and a tilt controller... Ricoh Imaging Company Ltd

Zoom lens system

wherein fG1 designates the focal length of the first lens group, fn designates the focal length of the negative meniscus lens element, and νpave designates the average value of the Abbe numbers with respect to the d-line of the positive lens elements.... Ricoh Imaging Company Ltd

Power information management device and power information management system

There is provided a power information management device communicable with at least one another device and being able to perform one of mutual power supply and unidirectional power supply, comprising: a requesting unit configured to send a request for information concerning electric power to the at least one another device;... Ricoh Imaging Company Ltd

Imaging apparatus, image projector apparatus, and stage apparatus

An imaging apparatus includes a photographing optical system, an image sensor onto which an object image is projected through the photographing optical system, a movable member to which the image sensor is fixed, a base member which holds the movable member in a manner to allow the movable member to... Ricoh Imaging Company Ltd

Stage apparatus, image projector apparatus having stage apparatus, and imaging apparatus having stage apparatus

A stage apparatus includes a base member, a movable member which moves relative to the base member, thrust generators which generate thrust forces against the movable member, and a position detector which detects a translation position and a rotational position of the movable member relative to the base member. An... Ricoh Imaging Company Ltd

Anti-reflection coating and optical member comprising same

An anti-reflection coating having an three-layer structure comprising first to third layers formed in this order on a substrate, the substrate having a refractive index of 1.6-1.9, the first layer having a refractive index of 1.37-1.57, the second layer having a refractive index of 1.75-2.5, and the third layer having... Ricoh Imaging Company Ltd

Electronic apparatus and imaging apparatus

An electronic apparatus or an imaging apparatus includes a body, and a displayer provided with a display screen, the displayer being supported by the body to be movable relative to the body. The displayer is configured to be selectively set at different positions including a stand-by position and a plurality... Ricoh Imaging Company Ltd

Imaging apparatus and support mechanism for movable member

An imaging apparatus includes a body provided with an image sensor; a displayer configured to display an image obtained via the image sensor, the displayer being supported by the body to be movable relative to the body; a connecting member provided with first and second connecting portions; a first support... Ricoh Imaging Company Ltd

Zoom lens system

wherein f1, f3, f4 and f5 designate the focal lengths of the first, third, fourth and fifth lens groups, respectively.... Ricoh Imaging Company Ltd

Photographing apparatus, photographing method and program

In a photographing apparatus, a low-pass selector controller (processor) is configured to perform a plurality of photographing operations including an LPF-ON photographing operation, which obtains an image signal from an image sensor in a state where the image sensor has been LPF driven by the image-shake correction device (driver) and... Ricoh Imaging Company Ltd








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