Abstract: A lens shutter type of camera is disclosed in which a zoom lens is positioned in a lens block (1) which has a sector gear (15) rotatably associated with the lens block and with a rotatable cam ring (14). The cam ring and sector gear are rotatable in a substantially constant axial position. A movable finder optical assembly (8) and a movable strobe assembly (9) are movable in association with movement of the zoom lens. The zoom lens is movable between an extreme telephoto position and an extreme wide angle position, as well a into a fully collapsed lens position beyond the extreme wide angle position and a macro or close-up photographing position beyond the extreme telephoto position. When the camera is in its macro mode, a prism (P1) is inserted into the finder optical assembly to correct for parallax; the strobe assembly is moved to change its illumination angle; and an optical wedge (4e) is pivoted into the path between a light receiver (4) and a light emitter (3e).

Abstract: A lens shutter type of camera is disclosed in which a zoom lens is positioned in a lens block (1) which has a sector gear (15) rotatably associated with the lens block and with a rotatable cam ring (14). The cam ring and sector gear are rotatable in a substantially constant axial position. A movable finder optical assembly (8) and a movable strobe assembly (9) are movable in association with movement of the zoom lens. The zoom lens is movable between an extreme telephoto position and an extreme wide angle position, as well a into a fully collapsed lens position beyond the extreme wide angle position and a macro or close-up photographing position beyond the extreme telephoto position. When the camera is in its macro mode, a prism (P1) is inserted into the finder optical assembly to correct for parallax; the strobe assembly is moved to change its illumination angle; and an optical wedge (4e) is pivoted into the path between a light receiver (4) and a light emitter (3e).

Abstract: A lens shutter type of camera is disclosed in which a zoom lens is positioned in a lens block (1) which has a sector gear (15) rotatably associated with the lens block and with a rotatable cam ring (14). The cam ring and sector gear are rotatable in a substantially constant axial position. A movable finder optical assembly (8) and a movable strobe assembly (9) are movable in association with movement of the zoom lens. The zoom lens is movable between an extreme telephoto position and an extreme wide angle position, as well a into a fully collapsed lens position beyond the extreme wide angle position and a macro or close-up photographing position beyond the extreme telephoto position. When the camera is in its macro mode, a prism (P1) is inserted into the finder optical assembly to correct for parallax; the strobe assembly is moved to change its illumination angle; and an optical wedge (4e) is pivoted into the path between a light receiver (4) and a light emitter (3e).

Abstract: A mount assembly having mounts which are provided on optical devices to be detachably attached to each other and which have mount surfaces which come into contact with each other when the optical devices are attached to each other through the mounts, wherein at least one of the mounts includes in combination a mount body which is made of synthetic resin and which is provided with the mount surface and a reinforcing metal ring member.

Abstract: A lens shutter type of camera is disclosed in which a zoom lens is positioned in a lens block (1) which has a sector gear (15) rotatably associated with the lens block and with a rotatable cam ring (14). The cam ring and sector gear are rotatable in a substantially constant axial position. A movable finder optical assembly (8) and a movable strobe assembly (9) are movable in association with movement of the zoom lens. The zoom lens is movable between an extreme telephoto position and an extreme wide angle position, as well a into a fully collapsed lens position beyond the extreme wide angle position and a macro or close-up photographing position beyond the extreme telephoto position. When the camera is in its macro mode, a prism (Pl) is inserted into the finder optical assembly to correct for parallax; the strobe assembly is moved to change its illumination angle; and an optical wedge (4e) is pivoted into the path between a light receiver (4) and a light emitter (3e).

Abstract: A lens shutter type of camera is disclosed in which a zoom lens is positioned in a lens block (1) which has a sector gear (15) rotatably associated with the lens block and with a rotatable cam ring (14). The cam ring and sector gear are rotatable in a substantially constant axial position. A movable finder optical assembly (8) and a movable strobe assembly (9) are movable in association with movement of the zoom lens. The zoom lens is movable between an extreme telephoto position and an extreme wide angle position, as well a into a fully collapsed lens position beyond the extreme wide angle position and a macro or close-up photographing position beyond the extreme telephoto position. When the camera is in its macro mode, a prism (P1) is inserted into the finder optical assembly to correct for parallax; the strobe assembly is moved to change its illumination angle; and an optical wedge 4e) is pivoted into the path between a light receiver (4) and a light emitter (3e).

Abstract: A lens shutter type of camera is disclosed in which a zoom lens is positioned in a lens block (1) which has a sector gear (15) rotatably associated with the lens block and with a rotatable cam ring (14). The cam ring and sector gear are rotatable in a substantially constant axial position. A movable finder optical assembly (8) and a movable strobe assembly (9) are movable in association with movement of the zoom lens. The zoom lens is movable between an extreme telephoto position and an extreme wide angle position, as well as into a fully collapsed lens position beyond the extreme wide angle position and a macro or close-up photographing position beyond the extreme telephoto position. When the camera is in its macro mode, a prism (P1) is inserted into the finder optical assembly to correct for parallax; the strobe assembly is moved to change its illumination angle; and an optical wedge (4e) is pivoted into the path between a light receiver (4) and a light emitter (3e).

Abstract: A lens shutter type of camera is disclosed in which a zoom lens is positioned in a lens block (1) which has a sector gear (15) rotatably associated with the lens block and with a rotatable cam ring (14). The cam ring and sector gear are rotatable in a substantially constant axial position. A movable finder optical assembly (8) and a movable strobe assembly (9) are movable in association with movement of the zoom lens. The zoom lens is movable between an extreme telephoto position and an extreme wide angle position, as well a into a fully collapsed lens position beyond the extreme wide angle position and a macro or close-up photographing position beyond the extreme telephoto position. When the camera is in its macro mode, a prism (P1) is inserted into the finder optical assembly to correct for parallax; the strobe assembly is moved to change its illumination angle; and an optical wedge (4e) is pivoted into the path between a light receiver (4) and a light emitter (3e).

Abstract: A lens shutter type of camera is disclosed in which a zoom lens is positioned in a lens block (1) which has a sector gear (15) rotatably associated with the lens block and with a rotatable cam ring (14). The cam ring and sector gear are rotatable in a substantially constant axial position. A movable finder optical assembly (8) and a movable strobe assembly (9) are movable in association with movement of the zoom lens. The zoom lens is movable between an extreme telephoto position and an extreme wide angle position, as well as into a fully collapsed lens position beyond the extreme wide angle position and a macro or closeup photographing position beyond the extreme telephoto position. When the camera is in its macro mode, a prism (P1) is inserted into the finder optical assembly to correct for parallax; the strobe assembly is moved to change its illumination angle; and an optical wedge (4e) is pivoted into the path between a light receiver (4) and a light emitter (3e).

Abstract: A battery receptacle is provided for selectively and alternately receiving a lithium battery (11) which has positive and negative terminals (13) on a first end face (9), and alkaline-manganese batteries (21), each of which includes positive (22) and negative (23) terminals on opposite first (8) and second (7) end faces thereof, respectively. The battery receptacle incorporates a receptacle housing (2) having a stationary wall or base (19, 31) for supporting one end of the lithium or alkaline-manganese batteries, and which also incorporates a spacer (4, 32) which is positioned around the alkaline-manganese batteries when they are positioned within the receptacle housing, as well as a lid (6, 33) which is adapted to selectively open and close the receptacle housing.

Abstract: Disclosed is a method for the automatic, nondestructive, measurement of the eccentricity of a core wire in a coating composition coated upon an electrode, the measurement being formed by at least two sets of optical means, each including a light source and a line sensor. One of the optical sensors is positioned to measure the diameter of a coated portion of the core wire while at least one of the remaining sensors is positioned to measure the diameter of an uncoated portion. The positions and diameters of both portions are compared to find the eccentricity of the core wire. Where three sensors are used to measure the position and thickness of the exposed wire portion, the eccentricity of a misaligned or bent rod can be determined.

Abstract: A lens barrel comprising a lens frame formed with a thread for distance adjustment and a lens mount cylinder formed with a corresponding thread in meshing engagement with the thread formed in the lens frame. A distance ring engages the lens frame and is arranged so that the mutual position between the distance ring and the lens frame in the radial direction can be set. Stops for limiting the accurate rotational angle between the distance ring and the lens mount cylinder in the radial direction are formed in the distance ring and are engaged by projections on the lens mount cylinder.

Abstract: A motor-drive camera using a cartridge film of the camera having a coupled member which is actuated to open the rear cover of the camera and has a first end portion that abuts against the inner surface of rear cover and a second end portion abutting against a cartridge body. The abutment position against the rear cover of the first end portion is changed depending on whether or not the cartridge film is loaded in the camera to switch the electrical current supply to the motor-drive. The coupled member is arranged so that electrical current is supplied to the motor-drive camera by closing the rear cover only after said cartridge film is loaded. The coupled member also operates to pop up a film cartridge when the rear cover is opened.

Abstract: A camera winding mechanism for advancing the film and loading the shutter has a stop mechanism to prevent over rotation of the film sprocket shaft. In one embodiment a frictional brake ring mounted on the shaft engages a protrusion on the mirror charge lever to inhibit rotation of the sprocket when the film advance lever has reached the limit of travel. In a second embodiment, a pawl element is used to engage the protrusion.

Abstract: A camera is provided with a locking shutter speed dial device wherein the shutter release member is mounted coaxially with the shutter speed dial. A spring biased lock lever is positioned to engage a peripheral groove in the shutter release member. Engagement of the lock lever with the groove is accomplished by a pin mounted on the bottom of the shutter speed dial. When the shutter speed dial is rotated to the lock position, the pin urges the lock lever against the spring bias into engagement with the groove thereby preventing inadvertent operation of the shutter release.

Abstract: The present invention relates to a welding process and apparatus. More particularly, the invention relates to a welding process and apparatus for performing welding in various positions characterized in that a shifting magnetic field is generated in the vicinity of a molten metal pool to induce an eddy current in the molten metal pool, whereby an electromagnetic driving force is caused to act on the molten metal pool to control the shape of the molten metal pool, and welding is carried out while controlling the shape of the molten metal pool in this manner. According to the welding process and apparatus of the present invention, the welding efficiency can be enhanced irrespective of any welding positions.

Abstract: A camera with a focal plane shutter is provided with a device for indicating the completion of the winding of the shutter. The indicating device is a spring biased lever having one end which engages a metal blade or blade driving member of the shutter when the shutter is wound to rotate the lever against the biasing force of the spring. Under this condition a red portion of the other end of the lever is viewable through a window in the camera body. When the shutter is released, the metal blade or blade driving member moves to a retracted position allowing the lever to rotate under the biasing force of the spring. As a result a black portion of the other end of the lever is viewable through the window.

Abstract: Very precise indications of the Apex indication values in a camera are displayed through the viewfinder. The nominal value is displayed numerically and further indications are provided to display fractional parts of one step of a nominal Apex indication value.

Abstract: A camera in which a roll of film is employed is provided with a device for indicating the advancing of film being taken up or rewound. A friction member is rotatably mounted on the film take-up spool shaft but does not rotate with the shaft unless film is wound around the friction member. The friction member is provided with a cam portion which is engaged by one end of an indication lever. The other end of the indication lever is provided with a striped or other pattern which is viewable through a window in the camera body. Alternatively, a portion of the friction member could be directly viewed through the window.

Abstract: A system for displaying an exposure value in the viewfinder of a camera or exposure meter. At least part of the light which travels through the objective of the camera is used for determining an exposure value which is displayed in a luminous manner at a location displaced from the viewfinder. A reflector receives light from the luminous exposure value display and reflects this light into the viewfinder while the image of the object which is to be photographed is also reflected into the viewfinder so that the camera operator will see in the field of the viewfinder an image of the luminous exposure value superimposed on an image of the object which is to be photographed.