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| Number | Title | Issue Date |
| 5708858 | Photographic camera The photographic camera has a watertight housing (11, 12) in which a film transport and guide mechanism, a taking lens (15), a viewfinder (16), as well as a flash unit are accommodated. The novel and inventive step consists in that an integral support mem... | 01/13/1998 |
| 5708886 | Camera A camera is applied to a compact camera or a VTR integrated with a simplified camera. A cam cylinder is used as lens driving mechanisms for a photographing optical system and a finder optical system. A moving lens frame and a connecting member provided wi... | 01/13/1998 |
| 5694628 | View finder for camera A camera view finder has a movable eyepiece lens barrel which is automatically shifted in the optical axis to a specific axial position in which the view finder protrudes from the camera body and provides dioptric power suitable for normal eyesight photog... | 12/02/1997 |
| 5692227 | Viewfinder A camera viewfinder having a plurality of lens groups, wherein a photographing optical system of the camera is separate from the viewfinder. The viewfinder includes a parallax error compensating and diopter adjusting lens group which is one of the plurali... | 11/25/1997 |
| 5664244 | Viewfinder device A viewfinder device has an objective lens element (2) disposed on a viewfinder light path and an eyepiece lens element (3, 28) disposed behind the objective lens element. An image (10) of an object (7) is observable at an eye point (EP). At least one indi... | 09/02/1997 |
| 5640632 | Viewfinder device A viewfinder device includes a first prism unit and a second prism unit. The first prism unit includes an incident/reflecting surface 1-1 for receiving and allowing light from the objective lens to enter the first prism unit, a surface 1-2 for reflecting ... | 06/17/1997 |
| 5619739 | Diopter correcting apparatus This specification discloses an apparatus in which data regarding the proper lens positions of a diopter correcting lens when an observer is wearing spectacles and when the observer is not wearing spectacles are pre-stored in a memory circuit, the presenc... | 04/08/1997 |
| 5521761 | Real image mode finder optical system with high magnification A real image mode finder optical system includes an objective system having a positive refracting power as a whole, an image erecting system for erecting an image, and an eyepiece system having a positive refracting power. The objective system has a menis... | 05/28/1996 |
| 5475458 | Albada finder An Albada finder has a negative objective lens and a positive eyepiece lens. A frame is formed inside the area of the object-side surface of the positive eyepiece lens and a partial reflection area is formed on the eyepiece-side surface of the negative ob... | 12/12/1995 |
| 5353165 | One piece viewfinder and fabrication process A unibody viewfinder for use in a single use camera includes a pair of optically aligned lenses integrally connected to a support structure which may, for instance, be the top surface of such a camera. A mold and method for making the viewfinder in a sing... | 10/04/1994 |
| 5309201 | Viewfinder lens with molded integral aiming circle A camera viewfinder has a viewfinder lens comprising a plastic lens element with a molded integral aiming circle whose molded optical finish is different than the molded optical finish of the remainder of the lens surface to make the aiming circle visible... | 05/03/1994 |
| 5270754 | Viewfinder lens mount for compact camera with flip-up flash/viewfinder unit A compact camera comprises a flash unit adapted to be flipped up from a camera body for use and flipped down towards the camera body for storage and having a viewfinder opening for viewing a subject to be photographed, and an elongate resiliently flexible... | 12/14/1993 |
| 5250969 | Dustproof view finder A dustproof view finder in which an image formed by an objective optical system is made erect by an image erecting optical system and is observed through an ocular optical system as an erect image, the optical system including a pair of front and rear opt... | 10/05/1993 |
| 5241337 | Real image viewfinder requiring no field lens A real image zooming viewfinder comprising three optical units with refracting optical power and an additional moving reflective optical unit. Zooming is accomplished by moving one of the refractive optical units and the additional reflective optical unit... | 08/31/1993 |
| 5173726 | Automatic parallax correction in deploying lens camera A camera which comprises a camera housing, containing a viewfinder system and a back wall. The camera further comprises a deployable objective lens, having an optical axis that is substantially normal to the back wall of the camera housing throughout lens... | 12/22/1992 |
| 4832470 | Inverted galilean telescope type viewfinder system capable of changing over the magnification A viewfinder system capable of changing over the magnification includes an objective lens unit having at least two negative lens elements replaceable with each other for magnification change-over, and an eyepiece unit having a positive refractive power an... | 05/23/1989 |
| 4707098 | Albada finder In an albada finder having index means for indicating the photographable area of an object to be photographed and an albada reflecting surface positioned more adjacent to the object side than the index means and reflecting a light beam from the index mean... | 11/17/1987 |
| 4593984 | Viewfinder lens system An improved eyepiece for a viewfinder of a single lens reflex camera is provided. This improved eyepiece includes a negative first lens element and a positive second lens element with an air space formed between the first and second lens elements. The sec... | 06/10/1986 |
| 4437750 | Adjustable diopter type finder optical system An adjustable diopter type finder optical system comprising an eyepiece comprising a first lens component having negative refractive power and a second lens component having positive refractive power, the finder optical system being arranged to make diopt... | 03/20/1984 |
| 4339188 | Bright screen optical viewer apparatus and method A twin lens reflex camera has a viewing system including a ground glass screen having the viewing surface coated with a thin layer of a clear optical grade epoxy and has the coated surface mounted behind and in contact with a Fresnel lens. A pair of magni... | 07/13/1982 |
| 4268151 | Viewfinder dioptry adjusting device for single-lens reflex cameras A dioptry adjusting mechanism for an eyepiece of a viewfinder for a single lens reflex camera in which the eyepiece includes a negative lens element movable along the optical axis of the view finder for the dioptry adjustment and a stationary positive len... | 05/19/1981 |
| 4255031 | Photographic camera with dual purpose light indicator A photographic camera apparatus includes an improved exposure and electronic flash fire control system comprising a single light source for providing a visual indication to the photographer of electronic flash charging and a control light detectable by th... | 03/10/1981 |
| 4217048 | Viewfinder capable of adjusting diopter An improved eyepiece for a viewfinder of a single lens reflex camera is provided. This improved eyepiece is capable of adjusting both the diopter and astigmatism correction to the demands of the individual user. The eyepiece includes a negative meniscus l... | 08/12/1980 |
| 4171887 | Lens-adjustable flash camera A camera is provided with a flash device and a selectively engagable lens adjusting arrangement such as a telescopic conversion lens. A view finder angle adjusting mechanism such as a periphery masking frame is provided and is connected through a linkage ... | 10/23/1979 |
| 4157216 | Adapter for optically coupling a photographic camera with a viewing device An optical adapter is provided by which an image formed by the eyepiece of an optical viewing device such as an endoscope can be simultaneously viewed and photographed with a motion picture camera of the type having a through-the-lens viewing system which... | 06/05/1979 |
| 3989349 | Reflex finder A camera of the reflex type comprises a view finder with an achromatic finder objective, an eyepiece, and an interposed inverting lens group. The finder objective includes a negative-meniscus lens of relatively low Abbe number and a biconvex lens of relat... | 11/02/1976 |
| 3971052 | Compact galilean viewfinder A compact Galilean viewfinder, having an objective comprising a plano-convex negative de-centered front element, with its optical axis below the central axis of the finder, and an eye lens comprising a plano-convex rear element of positive power that is d... | 07/20/1976 |
