Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8213788 | Viewfinder A viewfinder including a base member for removably mounting on an electronic device suitable for taking digital photographs, attachment means connected to said base member for coupling the base member to an electronic device, an open-ended housing disposed on the ba... | 07/03/2012 |
| 7962035 | Viewfinder optical system, optical apparatus using the same and method for expanding observation Providing a viewfinder optical system capable of obtaining given magnification and a given eyepoint, suitable for an SLR digital camera and an SLR camera, an optical apparatus equipped therewith, and a method for expanding observation. The viewfinder optical system ... | 06/14/2011 |
| 7805068 | Imaging apparatus An imaging apparatus includes a viewfinder optical system that observes a subject image input from a photography optical system. The imaging apparatus also includes a transmissive member upon which is provided a line image indicating detection positions of photograp... | 09/28/2010 |
| 7734169 | Camera There is disclosed a camera having a first imaging medium which acquires subject image data from a subject light flux transmitted through a photographing lens; an optical path branching member which is disposed in an image pickup optical path of the first imaging me... | 06/08/2010 |
| 7693414 | Battery adapter for a hand-held camera An adapter in an interposed position between a hand-held camera and a battery for operating the camera in facing relation to each other in the clearance therebetween the camera-attached adapter positions an eyepiece of the camera so the camera user makes eye contact... | 04/06/2010 |
| 7483628 | Optical viewfinder of a camera having a function of taking photographs The present invention discloses an optical viewfinder of a camera having the function of taking photographs, and the viewfinder comprises an objective module, a base, an eyepiece module and an upper casing. The objective module and the eyepiece module are fixed onto... | 01/27/2009 |
| 7424217 | Method of evaluating image information, photographing device, and storage medium having program stored thereon An evaluation on image information is indicated before operating a shutter operating section. For example, a method of evaluating image information includes: (a) a step of converting an optical image of an object to be photographed into electrical image information;... | 09/09/2008 |
| 7400827 | Camera provided with optical finder According to the present invention, light from a taking lens is reflected by a quick return mirror in a lateral direction of a body unit. Then, after passing through a screen, the light is reflected toward an upper side of the body unit by a second mirror except par... | 07/15/2008 |
| 7365793 | Image capture system and method An image viewed by a person is recorded in response to the pointing direction of the eyes of the person by using an optical sensor arrangement that simultaneously derives image segments corresponding with images seen by the person looking forward of his head and to ... | 04/29/2008 |
| 7280151 | Video camera with a rotatable grip unit A video camera is disclosed which can make photographing without any compulsion. A rotary grip is provided on a side face of a camera body so as to be rotatable relative to the camera body, the camera body having an image pickup device, a camera lens and a circuit b... | 10/09/2007 |
| 7242431 | Viewfinder of photographing apparatus and camcorder having the same A viewfinder to be used with a photographing apparatus or a camcorder to monitor an image being photographed. The viewfinder has a viewfinder body disposed to be drawn inside of the photographing apparatus body and to be drawn out of the photographing apparatus body... | 07/10/2007 |
| 7167202 | Image pick-up apparatus and distance measuring device An image pick-up apparatus comprises a distance measuring unit that measures a distance to a subject, and a stroboscope that emits light of an intensity determined based on the measured distance. There are further provided a distance calculating section that calcula... | 01/23/2007 |
| 7164135 | Image intensifier camera Disclosed is an image intensifier camera capable of rotating an image imaged therein. An image intensifier camera in accordance with the present invention includes an image inverse prism provided between a front lens group and an aperture stop in a fluoroscopic imag... | 01/16/2007 |
| 7142242 | Prismatic image forming optical device adapted for miniaturization An image forming optical device to form an image of optical light having prism shaped first and second optical devices. The first optical device has a first interface to pass the optical light into the first optical device, a first reflect interface to reflect the o... | 11/28/2006 |
| 7120461 | Camera phone and photographing method for a camera phone A camera phone and photographing method for a camera phone is provided which allows a camera phone to easily and precisely set a composition of a subject to be photographed. If a standard, preset composition guideline is not appropriate for a particular subject to b... | 10/10/2006 |
| 7061684 | Finder optical system and camera provided with the same An observation optical system of the present invention comprises an image erect optical system and an eyepiece optical system for observing an object image. The eyepiece optical system comprises a positive single lens having double convex surfaces and a negative men... | 06/13/2006 |
| 7020392 | Finder housing An objective that is a concave lens and an ocular that is a convex lens are arranged in a finder housing with a predetermined space between them. The finder housing is molded of a black plastic material. A diaphragm portion is integrally formed inside an inner perip... | 03/28/2006 |
| 6997564 | Digital projection display A digital projection display includes a light source producing a light beam, and an integrator, an illumination lens, an illumination fold mirror, a light director, and a digital light modulator which sequentially process the light beam. The digital projection displ... | 02/14/2006 |
| 6999114 | Electronic camera employing reflective flat panel display for viewing and printing images An electronic camera utilizing a reflective flat panel display for printing and/or viewing images in disclosed herein. One such electronic camera comprises the following components: (a) an electronic image acquisition assembly for capturing an image and converting i... | 02/14/2006 |
| 6980252 | Electronic camera and battery voltage controlling method employed therein for successively, rather than simultaneously, operating camera portions during conditions of low battery voltage An electronic camera free from failures of an internal circuit, such as a signal processing portion, caused by a drop in battery voltage when there remains a small amount of electric charge in the battery, includes a signal processing portion for signal-processing a... | 12/27/2005 |
| 6977776 | Head-mounted optical direct visualization system A head-mounted optical direct visualization system has at least one optical deflecting device (120) with an optical end element (128) for deflecting a virtual image generated by an image source (230) onto the optical end element (128). Th... | 12/20/2005 |
| 6965394 | Remote camera control device A camera system comprising a camera, a monitor, an image detector, a touch screen, and a remote control. The monitor displays a field of view of a lens of the camera. The image detector provides a viewer image to the remote control whereby the remote control can det... | 11/15/2005 |
| 6937803 | Display arrangement for fading optical information into an observer's field of view A display arrangement for providing optical information into an observer's field of view, which can be carried at the head, includes a picture source, a picture transmission device and an eyepiece. The picture transmission device consists of at least partially of a ... | 08/30/2005 |
| 6927797 | Viewfinder for high definition video camera A viewfinder for mounting on a camera having a video signal tap, such as a professional video camera, to extend forwardly and laterally of the camera. A pivotable member is connected to a support base for selectively pivoting about a laterally extending axis and bei... | 08/09/2005 |
| 6920283 | System and method for controlling electronic devices A system of the present invention automatically controls electronic devices based on physiological conditions of a user. In this regard, the system includes a sensor and a controller. The sensor is positioned adjacent to an eye of a user and is configured to detect ... | 07/19/2005 |
| 6914634 | Digital camera A digital camera having a taking lens, a finder for viewing light transmitted through the taking lens, an image sensing element for optoelectrically converting light which passes through the taking lens, a light splitter capable of changing transmittance and dividin... | 07/05/2005 |
| 6856765 | Camera with light emission function, camera part inspection apparatus, camera adjustment apparatus, and camera part unit A CPU judges whether a current operating state of a camera corresponds to an in-service state of a lens barrel or an in-service state of a self-timer, and performs light emission control over a front display LED or a rear display LED by controlling an LED drive circ... | 02/15/2005 |
| 6809772 | Shutterless digital camera and method of using same A shutterless digital camera includes an optical viewfinder having a pair of spaced apart mirrors for facilitating in one mode of operation through-the-lens viewing of an object image to be captured and for facilitating in the same one mode of operation through-the-... | 10/26/2004 |
| 6738577 | Display device and an optical device provided with same A display device 70 having an organic luminescent element arranged at an object image-forming position of a finder optical system. Frames are formed by parts 31b, 32b, 33b of the negative electrode formed of non-trans... | 05/18/2004 |
| 6701082 | Camera having diopter adjustment mechanism A camera has a rangefinder device having an optical system constituted by a plurality of optical elements and a diopter adjustment mechanism capable of adjusting the observation diopter of the rangefinder device by operation by the user from outside the c... | 03/02/2004 |
| 6684029 | Finder optical system and camera having finder optical system A camera including a photographing optical system and a finder optical system, includes an objective optical system and an ocular optical system, the optical axes thereof being parallel with each other; a reflection surface which reflects a light bundle i... | 01/27/2004 |
| 6667836 | High performance viewfinder eyepiece with a large diopter focus range A viewfinder eyepiece for a camera having a video signal tap, particularly a professional high definition video camera, for viewing the display screen of a display device, such as a CRT, in the viewfinder. The eyepiece includes a negative powered lens on ... | 12/23/2003 |
| 6650837 | Dual image viewfinder for camera In a viewfinder for a camera, a first front finder lens forms an image of a subject including a background area of the subject, a second front finder lens forms an image of the subject including a background area of the subject that is greater than the ba... | 11/18/2003 |
| 6621986 | Optical lens arrangement An optical lens arrangement for a rangefinder system in a photographic camera with a fixed viewfinder magnification SK and a fixed measuring base MB is configured to be coupled with a rangefinder eyepiece of the rangefinder system and is designed as an af... | 09/16/2003 |
| 6580877 | Cylindrical covering cap for eyepiece tubes A cylindrical covering cap for an eyepiece tube, the eyepiece tube having a conical soft eyecup, includes, in a cylindrical interior of the covering cap: two mutually opposite segment regions having a segment region inside radius that is greater than an i... | 06/17/2003 |
| 6571059 | Camera including a device for controlling the photographing optical systems to prevent obscuring of an image in the finder optical system An improved camera includes a photographing optical system and a finder optical system, existing independently from each other. In order that a finder observation image will not be obstructed by a camera lens, the camera comprises a driving circuit for re... | 05/27/2003 |
| 6556782 | Camera having viewfinder box extending from cover to cover and assembly method A camera has a capture unit and a body holding the capture unit. The body has a front cover, a rear cover, and an internal cavity disposed between the covers. The body has a viewfinder box extending from an outer surface of one of the covers to an outer s... | 04/29/2003 |
| 6556791 | Dual channel optical imaging system An image forming optical system especially suitable as a viewfinder system in an electronic or electronic/film (hybrid) camera includes an objective lens system, an electronic imaging channel, and a visual viewfinding imaging channel. The objective lens s... | 04/29/2003 |
| 6553186 | Camera viewfinder with aiming aid A viewfinder informs the photographer when a camera is tilted relative to a subject to be photographed. The viewfinder includes a pair of front and rear openings optically aligned to view the subject through the two openings, and a translucent element sur... | 04/22/2003 |
| 6532343 | Camera finder device A finder device is disclosed in which a finder optical system is provided with an auto-focus function separate from that of a photographic optical system so that the subject image can be observed sharply even when the finder optical system undergoes a cha... | 03/11/2003 |
