摘要:
An automatic focusing apparatus for a camera comprises a first focusing optical system with a half mirror transmitting light from a subject, a second focusing optical system with a mirror to lead another light from the subject to the half mirror and a single focusing element for receiving said different lights thereby focusing detection.
摘要:
A virtual viewpoint image generation method for generating a virtual viewpoint image that is an image of an object viewed from a virtual viewpoint based on plural images of the object taken by plural cameras. Projection planes having a multi-layered structure are set on the images of the object, corresponding to a projection point of a projection plane. Color information of each projection point is determined based on color information of corresponding points, for each of the projection points overlapping when viewed from a reference viewpoint in a space. A degree of probability that the object exists at a distance corresponding to a position of the projection point is determined based on a degree of correlation of the corresponding points.
摘要:
A lens shutter mechanism for camera includes a shutter opening/closing lever which opens or closes a shutter blade or blades. The lever is pivotally mounted on a movable shaft which is fixedly mounted on a shutter close lever. At the same time as an electromagnet, which is used to maintain the shutter open, is deenergized, the shutter close lever is operated to cause the shutter opening/closing lever to close the shutter blade or blades.
摘要:
A single lens reflex camera is provided which has a planar area for mounting a light emitting component such as an electronic flash thereon. The planar area is defined by at least a portion of top surface of a body of the camera which is located on one side of a pentaprism housing disposed centrally on the top surface, and is at a lower level than the remainder of the top surface which is located on the opposite side of the pentaprism housing. The planar area is formed with a threaded bore for mounting the light emitting component, and is also provided with a terminal connector having a plurality of terminals inclusive of a synchro contact terminal, an illumination control signal terminal and a power supply terminal.
摘要:
A motor driven camera includes a reversible motor which is disposed within the body of a camera. The camera includes a transmission mechanism which transmits a drive from the motor to a film winding mechanism, a film rewind mechanism, a shutter charging assembly, an automatic focussing assembly or a zone focus assembly in a selective manner. The motor is disposed in a space in the camera body located below the film wind and rewind shafts. The drive shaft of the motor extends perpendicular to the optical axis of the camera lines.
摘要:
A focal plane shutter comprises a first and a second blind, a take-up and a winding drum supporting the opposite ends of the first blind, a take-up and a winding drum supporting the opposite ends of the second blind, a first blind winding pinion and a second blind winding pinion having an operationally integral relationship with the first and the second blind winding drum, respectively, and a pair of shutter winding sector-shaped gears in meshing engagement with the first and the second blind winding pinion, respectively, and adapted to rotate in response to a shutter charging command. Each of the sector-shaped gears have a hiatus which is located opposite to the associated pinion to release the meshing engagement when no shutter winding operation takes place. The sector-shaped gears and the pinions are located relative to each other in a manner such that rotation of the first blind winding pinion precedes rotation of the second blind winding pinion when a shutter winding operation is to be commenced.
摘要:
An electrical shutter circuit for a camera includes a photoelectric transducer element which is responsive to light from an object being photographed to determine a proper exposure period in accordance with the brightness thereof, thus automatically controlling the operation of a shutter assembly which opens or closes an exposure light path. In the open position of the shutter assembly, the photoelectric transducer element is irradiated with light of a fixed, relatively low intensity emitted by a luminescent element so that the electrical shutter circuit is automatically operated for the closing operation after a period of time determined by the light from the luminescent element even if the incident light from the object being photographed is extremely weak or completely absent.
摘要:
A virtual viewpoint image generation method for generating a virtual viewpoint image that is an image of an object viewed from a virtual viewpoint based on plural images of the object taken by plural cameras is provided. In the virtual viewpoint image generation method, projection planes having a multi-layered structure are set, each corresponding point, on the images of the object, corresponding to a projection point of a projection plane is obtained, color information of each projection point is determined based on color information of corresponding points, for each of the projection points overlapping when viewed from a reference viewpoint in a space, a degree of probability that the object exists at a distance corresponding to a position of the projection point is determined based on a degree of correlation of the corresponding points, mixing processing is performed on color information of reference points overlapping when viewed from the virtual viewpoint according to the degree of probability of existence of the object so as to determine color information of each pixel of the virtual viewpoint image.
摘要:
An apparatus for reading information out of an optical record medium including a semiconductor laser diode for emitting a laser beam, a collimator lens, a beam splitter, an objective lens, converging lens and a photodetector. The laser beam emitted from the laser diode is made incident upon the optical record medium via the collimator lens, beam splitter and objective lens, and a light flux reflected by the optical record medium is made incident upon the photodetector via the objective lens, beam splitter and converging lens. The laser diode and collimator lens are arranged such that the laser beam is projected upon the optical record medium in a de-focused condition, while the objective lens is in-focused on the optical record medium.
摘要:
A triaxial focal plane shutter includes a second blind winding drum which is rotatably supported by a pair of support members disposed above and below it. A first blind winding shaft extends through the second blind winding drum and the pair of support members, and fixedly carries a pair of first blind winding pulleys on its upper and lower ends, thereby allowing an independent rotation of the second blind winding drum and the first blind winding pulleys.