Abstract: A camera system comprises a camera body and an information supply device. The camera body includes a selection part for selecting by operating an operation member a combination of a plurality of control items preset for photographing, an input part for inputting a supply information from the information supply device, and a correction part for correcting at least one control item of the combination of control items being selected by the selection part on the basis of the supply information. The information supply device includes an information forming part for forming the supply information for correction of at least one control item of the combination of control items selected by the selection part of the camera body.

Abstract: The invention concerns an active autofocusing type rangefinder optical system that prevents a finder system and a light projection system from producing parallax and is capable of finding the distance of an object with high accuracy, in which an optical path-splitting means Bs is located somewhere in the optical path of the objective optical system thereof that is provided separately from a taking or photographic optical system, one of the optical path split by said splitting means being assigned to said finder optical system and the other to a range finding optical system, wherein a portion of the optical system located on the object side from said optical path-splitting means has a positive refracting power as a whole, a portion of the optical system extending from said optical path-splitting means to the intermediate image-forming surface of the finder optical system has a positive or negative refracting power as a whole, and a portion of the optical system located on the side of said range finding element

Abstract: A camera quick release has a fastener axle that can be inserted into a fastener orifice in a fastener housing where a side-grip fastener lock is spring-pressured against a cylindrical wall of the fastener axle to hold the fastener axle circumferentially and linearly in a set position. The side-grip fastener lock is releasable by hand-squeezing a latch handle and a housing handle which combine to form a squeeze-handle. With the fastener lock released, the fastener axle attached to the camera or other instrument can be rotated as far or as little as desired to a different circumferential setting or it can be removed linearly for removal of the camera or other instrument. The fastener axle has a fastener bolt that is threadable into a camera-attachment bolt hole where it can be secured with a convenient thread-locking means.

Abstract: An image stabilizing apparatus comprises a light beam deflecting device controllable for deflecting a light beam by moving an optical member disposed in an optical path, an accelerometer for detecting an influence the optical member receives from gravity and a control device for controlling the operation of the light beam deflecting device by the use of the output of the accelerometer so as to provide image stabilization.

Abstract: A musical instrument has a plurality of chime members disposed along its length, and each chime member is easily removed from the instrument or placed in a different position with respect to the other chime members. In some embodiments, plural slots are formed along the length of a base member and each chime member is suspended from a cord that is inserted into contiguous slots, and an elongate cover member overlies the base member to prevent inadvertent removal of the cords from their respective slots. Different structures are shown for spacing the cover apart from the base when it is desired to remove one or more cords from its associated slot. In additional embodiments, each chime member is suspended from a module, and the module releasably engages the base member.

Abstract: A speaker support frame structure and optional cover for recessed mounting of a speaker in a wall or the like. The frame structure incorporates a one-piece, unitary molded frame body which has an open central region, a flattened perimeter region adjacent thereto, an adjacent peripheral upstanding shoulder region, and a terminal outwardly turned collar region. A speaker is nestably received thereon. Leg members are associated with a screw that extends through an orifice formed with the frame body. The leg members pivotally outswing and engage wall surfaces with adjustable clamping force. The frame body can be further provided with a frontal first ridge and also with a cover plate which has a rear second ridge so that the first and second ridge can engage mutually in a connecting relationship.

Abstract: An eye direction detecting apparatus for a camera having a light transferring system for guiding a beam of parallel light rays to an eye of a photographer includes a light receiving system having a light receiving portion on which a first Purkinje image based on specular reflection of a cornea of the eye and reflecting light from a retina of the eye is formed, the light receiving portion generating a light receiving output. The apparatus further includes a processing circuit for detecting the eye direction of the eye based on the light receiving output of the light receiving portion. Further, according to the teachings of the present invention, including an optical member having certain identically inclined surfaces prevents refracted light from forming a ghost image within the light receiving system of an eye direction detecting apparatus.

Abstract: A camera system with interchangeable lens, consisting of a camera unit and a lens unit detachably mountable on the camera unit, comprising a target value setting circuit for setting a target control value of a diaphragm provided in the lens unit, a correction circuit for generating a correction signal for varying the content of the target value setting circuit, a diaphragm state detection circuit for detecting the diaphragm information, a first control circuit for varying the set value of the target value setting circuit, based on the correction signal, a diaphragm drive circuit for driving the diaphragm according the result of comparison of the output of the diaphragm state detection circuit and the value of the target value setting circuit, a memory circuit for storing the information specific to each lens unit, and a second control circuit for generating, at the detaching and mounting of the lens unit, a command for controlling the value of the target value setting circuit for bringing the diaphragm to a p

Abstract: A single-use camera is contained in an underwater housing, which as a box-shaped plastic housing body of which an opening is formed in the bottom. The bottom opening is covered with a watertight sheet sealed to an edge around the bottom opening, and keeps the camera watertight. The watertight sheet is constituted of a sandwich of an inner polystyrene (PS) layer, an aluminum core sheet, and an outer polyethylene terephthalate (PET) layer. The PS layer is used for heat sealing to the housing body. A bottom lid is fitted on the housing body and protects the watertight sheet. In a preferred embodiment, there is also a PET layer between the PS layer and the aluminum core sheet.

Abstract: An optical apparatus is arranged in a compact size and yet to be capable of adequately performing lens control whereby, in the optical system of the apparatus which is of the kind having a focusing lens arranged to compensate for a shift of a focal plane caused by a power varying action, the speed of the movement of a zooming lens is reduced when the speed of the movement of the focusing lens increases following the movement of the zooming lens.

Abstract: A zoom camera incorporates a zoom assembly in which a zoom lens system is supported. The zoom assembly has a stationary barrel and an intermediate movable barrel. A stationary, elongated resistor element extends along the direction of movement of the zoom assembly. Nine electrodes are connected to one side of the resistor elements regularly, and grounded. Eight electrodes are connected to the opposite side of the resistor elements, and regularly alternate with the former nine electrodes. To the latter eight electrodes is applied a potential different from zero. The resistor element is divided into 16 resistor areas by the 17 electrodes. A contact brush slides on the resistor element when the movable barrel moves, and generates a voltage signal representing the contact position within each resistor area. The voltage signal is digitalized as a voltage data represented in 64 steps.

Abstract: A photographic camera comprises a camera body with a loading chamber for receiving a film cassette endwise, a door supported for pivotal closing and opening movement to cover and uncover the chamber, a latch for preventing pivotal opening movement of the door but which can be disabled to permit the door to be opened, and an ejecting device for pushing the cassette endwise at least part way out of the chamber. According to the invention, the ejecting device includes a single piece means supported for movement in an ejecting direction for first disabling the latch to permit the door to be opened and then pushing the cassette endwise at least part way out of the chamber when the door is opened.

Abstract: A film winding apparatus of a camera for winding and/or rewinding a perforated film. The film winding apparatus includes a photoelectric member that is opposed to perforations of the film to detect presence or absence of the perforations in the film. A predetermined reference value, along with an upper threshold value and a lower threshold value, is set in accordance with an initial signal output by the photoelectric member. A second mechanism detects a feed position of the film by comparing a rising output curve and a descending output curve produced by the photoelectric member with the upper and lower threshold values of the predetermined reference value.

Abstract: An automatic focusing device, in which a focus lens is driven for tracking an object-in-motion to obtain an in-focus state, based upon a focus prediction that is executed from repeated distance measurements. Tracking is executed only when it is determined a predetermined number of consecutive times that the object-in-motion is moving at a speed that is larger than a predetermined value.

Abstract: A set of hand-held plastic laminated disks which provide for visually displaying selected combinations of musical information such as musical notes of scales and chords. The display is composed of two disks. The top disk functions as a template and is fastened to the lower disk at the center by a metal eyelet. The lower disk displays the twelve notes of the chromatic scale on several concentric circles. Apertures on the top disk display subsets of the chromatic scale as diatonic scales or chords. By rotating the bottom disk relative to the top disk, the notes of all twelve diatonic scales and their associated chords are displayed.

Abstract: A focus detecting device includes a plurality of focus detecting systems each having a condenser lens, an aperture stop with pairs of apertures, a reimaging optical system, and light receiving element arrays. The pairs of apertures in the aperture stop are arranged in different directions. The magnifications, focal length and principal points of the reimaging optical systems differ from one another such that images are reformed on the same plane. Thus, the focus detecting device extends the focus detecting area, improves the focusing accuracy, and allows focus detection irrespective of the directions of contrast.

Abstract: A camera system comprises a brightness measuring circuit, a exposure line choosing circuit, an operable switch, a film driver and a film driving mode selector.The brightness measuring circuit measures brightness of a photographic scene to send a brightness value. The exposure line choosing circuit chooses one of a plurality of exposure lines in which each lines selects a combination of an aperture value and a shutter speed value at each brightness value. The film driver drives a film in either of a first mode in which the film is wound only one frame in response to the operation of the operable switch and a second mode in which the film is wound frame by frame continuously as long as the operable member is operated. The film driving mode selector selects one of the modes in accordance with the exposure line chosen by the choosing circuit.

Abstract: In an automatic focus control device of a camera there are provided defocus amount calculation means for calculating a defocus amount for a predetermined focus plane of a photographic lens in the camera on the basis of the electric signal generated by a light receiving means, comparing means for comparing the obtained value on the basis of the calculated defocus amount with a reference value, control means controlling driving speed of the photographic lens by the lens driving means in response to the comparison result of a comparing means, photographic condition setting means for setting the photographic condition and reference value setting means for setting said reference value in response to the set photographic condition.

Abstract: A focal detector built-in interchangeable lens is disclosed. During photographing, a release signal is transmitted via a transmitting means to a control part provided in the interchangeable lens from a control part provided in a camera body. Based on this release signal, the interchangeable lens control part retreats a light path splitting means outwardly of a light path of a bundle of rays used for photographing, the splitting means splitting the rays toward a focal detection means.

Abstract: An auto focus camera includes a focus detecting circuit, a lens driving circuit for driving a taking lens to an in-focus position based on a focus detection result, a starting signal outputting circuit for outputting a starting signal which starts a focusing operation, an operating member to be operated by a user after the starting signal is outputted, and a controlling circuit for controlling the lens driving circuit so as to drive the taking lens in manners different between before and after an operation of the operation member.