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| Number | Title | Issue Date |
| 7317872 | Remote microphone and range-finding configuration Remotely operable electronic apparatus are applied to distance measurement and picture/sound recording wherein, for example, a remote unit may be equipped with a microphone and an active range finder coupled to an auto-focussing capability. In one embodiment a camer... | 01/08/2008 |
| 7283788 | Remote microphone teleconferencing configurations Electronic teleconferencing configurations use one or more remote microphones for added functionality. A base unit includes an interface to a telecommunications network and at least one remote microphone in wireless communication with the base unit, enabling a carde... | 10/16/2007 |
| 7222973 | Image projection apparatus An image projection apparatus is disclosed with which problems, caused by performing focusing control in a state in which the light amount of a light source is insufficient, can be avoided. The image projection apparatus comprises a controller, performing focusing c... | 05/29/2007 |
| 7185464 | Tubular skylight for lighting rooms with natural light A tubular skylight for lighting rooms with natural light, comprising a tubular body with a reflective inner surface which leads into a room and has, at its external end, a natural light collector assembly and, at its internal end, a light diffuser. The collector ass... | 03/06/2007 |
| 7140788 | Camera body A camera which includes a camera body includes a main body and a mirror box fixed to the main body. The mirror box and the main body are made of a first material having a first thermal expansion coefficient and a second material having a second thermal expansion coe... | 11/28/2006 |
| 7108375 | Image projection apparatus An image projection apparatus is disclosed with which problems, caused by performing focusing control in a state in which the light amount of a light source is insufficient, can be avoided. The image projection apparatus comprises a controller, performing focusing c... | 09/19/2006 |
| 7070283 | Projection apparatus, projection method and recording medium recording the projection method A projection apparatus comprising a projection section for projecting an image corresponding to an input image signal, a distance measuring section for measuring each distance of several positions on an image projection plane made by the projection section, a focus ... | 07/04/2006 |
| 7054073 | Lens device A lens holding barrel is fitted in a fixed barrel in a manner that the lens holding barrel is slidable in optical axis direction. A cam ring is rotatably fitted on outer periphery of the fixed lens. Front regulating members are formed on front end of the fixed barre... | 05/30/2006 |
| 7035534 | Photographic lightmeter-remote, system, and method A lightmeter-remote is usable in a system with a remotely settable camera and a plurality of remotely settable photolamps. The lightmeter-remote has a body, and a lightmeter, exposure controller, and transmitter disposed in the body. The exposure controller can be s... | 04/25/2006 |
| 6917414 | Device for distance measurement The invention relates to a device for distance measurement, comprising a housing (24) which is provided with an integrated emitting unit (32) for a measuring signal (34, 36) and a receiving unit (38) for the measuring signal (34, 36 | 07/12/2005 |
| 6917757 | Image-capturing device with synchronous and automatic focusing function An image capturing apparatus includes a lens for capturing an image of an object, focusing module for focusing the lens, and a focus-decisive module including at least one slide rod for measuring a distance between the lens and the object and for controlling the foc... | 07/12/2005 |
| 6738575 | Lens information display apparatus The lens information display apparatus is provided that allows the cameraman to check required lens information while looking at a viewfinder. A transmissive LCD panel is mounted in front of a screen of the viewfinder, and a control unit for controlling the image di... | 05/18/2004 |
| 6702445 | Image projector forming scrolling image An image projector includes a film assembly, motor, light source and lens. The film assembly includes a periscope having a first aperture, the film assembly being configured so as to mount a film to scroll in front of the first aperture of the periscope. ... | 03/09/2004 |
| 6592228 | Projector comprising a microcomputer for controlling zoom and focus adjustments utilizing pattern generation and calculation means A projector that can be easily set up and adjusted is disclosed. In accordance with a projection condition inputted into a microcomputer via a remote-controller, the microcomputer selects an optimum projection lens by referring to correlation data showing... | 07/15/2003 |
| 6416185 | Managing differential focus in projection displays A system corrects differential focus arising from keystone errors in projection displays. An electrically variable optical element may correct the differential focus of the projected image. The focus of the image may be corrected so that opposed portions ... | 07/09/2002 |
| 6266124 | Device for focusing a film frame A device for focusing a film picture in a movie film camera with a camera housing which has a lens carrier 5 for holding a camera lens, with a camera end which forms a lens plane, and a film window where a film is moved along in an image plane by means of... | 07/24/2001 |
| 6160607 | Camera focus indicator A focus indicator system for a motion picture camera has video cameras mounted on opposite sides of the motion picture camera. Images produced by the video cameras are superimposed on the screen of a monitor. The video cameras are rotatable, and rotate in... | 12/12/2000 |
| 5907439 | Zoom lens apparatus with shared cam groove Two cam pins of the variable magnification lens group and the aberration correction lens group are guided by two side walls of one cam groove. Thus, two cam grooves can deal with three movable lens groups, and there is no need to provide three cam grooves... | 05/25/1999 |
| 5779016 | Drive transmission mechanism A sliding coupling mounted between a pair of separately rotational members, including a pair of coiled springs, which realizes no rotational delay at time of reversing a rotational direction of one of the rotational members. Each coiled spring has a proje... | 07/14/1998 |
| 5758209 | Adjustable rack focus stop and method of rack focus An adjustable rack focus stop on a focusing lens incorporates an arm mounted to the focusing lens housing and extending over the focus ring. A stop in the form of an adjustable band is positioned on the focus ring and includes a catch which is capable of ... | 05/26/1998 |
| 5455647 | Optical apparatus in which image distortion is removed An optical apparatus including an optical assembly having an image formation optical system and a device for receiving an image, said optical assembly including optical components disposed along an optical axis for projecting the image to a display surfac... | 10/03/1995 |
| 5394205 | Image reading apparatus An apparatus comprises an image sensing optical system including an image pickup element for converting an image to an electrical signal and a projection lens for projecting an image onto a photo-sensing plane of the image pickup element. The image sensin... | 02/28/1995 |
| 5353089 | Focus detection apparatus capable of detecting an in-focus position in a wide field of view by utilizing an image contrast technique A focus detection apparatus of this invention can select one of a plurality of distance measurement areas in a photographing area, and obtains an in-focus point on the basis of contrast data of an object in the selected distance measurement area, thereby ... | 10/04/1994 |
| 5305149 | Zoom lens drive mechanism A zoom lens drive mechanism, for translationally driving and positionally locating a lens subgroup of a zoom lens to a zooming position along an optical axis of the zoom lens, comprises a base ring member having an aperture concentrically defined about th... | 04/19/1994 |
| 5289215 | Variable-position lens-mounting accessory for motion-picture cameras, and method of use The device permits swing, shift, tilt and rise-and-fall movements between a lens and a motion-picture camera to manipulate focal relations and image shapes. Preferably the device rests on rails (called "iris rods") of a balance plate or base--secured unde... | 02/22/1994 |
| 5136397 | Liquid crystal video projector having lamp and cooling control and remote optics and picture attribute controls A video projection system having a liquid crystal panel with a video image, a projection lamp with ON/OFF control, a zoom lens with a zoom control mechanism, a focusing lens with a focusing control mechanism, an audio system with a volume control, a proje... | 08/04/1992 |
| 5123727 | Method and apparatus for producing a measured value indicative of focusing correctly adjusted sharpness at projected pictures The present invention relates to a method and apparatus for carrying out the focusing of projected images. To carry out such focusing, an image sensor operates on a small section of the projected image to blow it up to a point where only the grains of the... | 06/23/1992 |
| 5092670 | Automatic focusing system for use with a motion picture camera An automatic focusing system has an automatic parallax correction for use with a camera, which is either a motion picture camera or a video camera. The camera includes a variable focus lens and an adjusting mechanism of a lens focus barrel which adjusts t... | 03/03/1992 |
| 5076686 | Automatic focusing system for use with a motion picture camera A motion picture camera is used with an automatic focusing system. The motion picture camera is mounted on a first tripod and includes a variable focus lens and an adjusting mechanism for adjusting the variable focus lens so that an image of a photographi... | 12/31/1991 |
| 5067808 | Thermal expansion compensation pendulum Device for connecting two components of a motion-picture camera. A thermal expansion compensation pendulum (Rost pendulum) (3) is disposed between the two components (10, 11), said pendulum being composed of a first element (31) connected with one compone... | 11/26/1991 |
| 5005967 | Microfilm image processing apparatus having automatic focus control capabilities A microfilm image reader apparatus for detecting an image on a microfilm strip and projecting the detected image onto a target plane, wherein a beam of light bearing an image detected from the microfilm strip is produced by illuminating the microfilm stri... | 04/09/1991 |
| 4907873 | Magnified image projector apparatus A magnified image projector apparatus such as a microfilm strip reader or a microfilm strip printer apparatus having an automatic focus control system and a tiltable reflector mirror by means of which the image-carrying beam passed through an image projec... | 03/13/1990 |
| 4907024 | Automatic focus adjusting apparatus effecting temporary high-speed focusing An automatic focus adjusting apparatus of a camera in which an object is shot by use of an imaging lens having a variable focus. The apparatus includes a distance measuring unit for measuring a distance between the object and the camera, an adjusting devi... | 03/06/1990 |
| 4816860 | Camera A camera such as a vide camera having an automatic focusing function, a power focusing function and a power zooming function which allows most reasonable change-over between the functions of the camera. The camera comprises manually operable mode change-o... | 03/28/1989 |
| 4760419 | Distance measuring apparatus A distance measuring apparatus which emits light toward an object, receiving light reflected by the object, and measuring the distance of the object. This apparatus includes receiving means for receiving the reflected light, and the receiving means has at... | 07/26/1988 |
| 4740076 | Focusing apparatus for use in video camera A focusing apparatus for performing the switching operation between the automatic focuse mode and the manual command focuse mode. The focusing apparatus includes a selection circuit which is provided between an automatic focusing circuit and a manual comm... | 04/26/1988 |
| 4705380 | Automatic focusing device In the disclosed automatic focusing device for a zoom lens the in-focus position for a particular object distance varies with changes in the focal length. The device detects the amount of variation of the focal length of the zoom lens, and continuously dr... | 11/10/1987 |
| 4609942 | Method for conversion from field signal to frame signal Disclosed is a method for conversion from a field signal to a frame signal in which a field signal delayed by a 1/2 horizontal scanning period and the field signal not subjected to the delay are alternately selected at a time interval of one vertical scan... | 09/02/1986 |
| 4601557 | Motion picture camera automatic focusing system A focusing system for a variable focus lens of a motion picture camera includes a pulse modulator and a microwave transmitter mounted on a camera frame for generating a high frequency pulsed signal which is transmitted to a selected target which carries a... | 07/22/1986 |
| 4583123 | Circuit for a control device for focussing a lens system In this circuit, video signals with a continuously increasing or decreasing amplitude are applied to the signal input of a threshold difference comparator at whose reference inputs selectively determined high and low threshold signals are applied. The out... | 04/15/1986 |
