摘要:
A camera capable of changing over the photographing frame size thereof having a photographing frame size changing member disposed in a camera body and capable of moving between a first position at which the photographing frame size changing member partially covers a film exposing opening and a second position at which the changing member does not cover the film exposing opening; and an operation member disposed on a rear cover of the camera for selectively bringing the photographing frame size changing member to the first position or the second position, wherein the changing member and the operation member are non-mechanically connected to each other in a state where the film is interposed between the changing member and the operation member. In another embodiment flexible changing members, being positively driven, are guided from a position behind the film to a position in front of the film exposing opening. Visual and/or audible indicators are provided to alert an operator as to the photographing frame size.
摘要:
A first plunger pump serves to inject fuel into the combustion chamber of an internal combustion engine during first periodical compression strokes as the crankshaft of the engine rotates. A second plunger pump serves to inject fuel into the combustion chamber during second periodical compression strokes as the crankshaft rotates. The maximum fuel injection quantity during each second compression stroke of the second plunger pump is smaller than that during each first compression stroke of the first plunger pump. A sensor detects load on the engine. A mechanism serves to advance the timing of the first compression strokes relative to that of the second compression strokes with respect to the rotational angle of the crankshaft as the detected engine load increases. The characteristic curve of the rate of the sum of the fuel injections effected by the first and second plunger pumps with respect to the rotational angle of the crankshaft can vary in accordance with the engine load.
摘要:
A fluid heating device for heating chemicals mainly containing sulfuric acid, which is capable of suppressing reduction of heating efficiency even if a fluid mainly containing sulfuric acid is heated, includes a translucent inner tube composed of quartz or the like, a lamp heater disposed in the inner tube, a translucent outer tube disposed outside the inner tube, which is composed of quartz or the like, translucent side plates disposed on both sides of the outer tube, which include quartz or the like, and an amorphous carbon pipe disposed between the outer tube and the inner tube, which functions as a light-absorbing material, wherein the amorphous carbon pipe is disposed so as to be brought into contact with chemicals passing through a space between the outer tube and the inner tube.
摘要:
An X-ray CT apparatus has: a plurality of X-ray detection elements arranged in a matrix form; a QV amplifier unit having a plurality of QV amplifiers; a first connection unit connecting the plurality of X-ray detection elements and the QV amplifier unit; an AD converter unit having a plurality of AD converters; and a second connection unit connecting the QV amplifier unit and the AD converter unit. The plurality of X-ray detection elements and the QV amplifier unit are connected and the QV amplifier unit and the AD converter unit are connected so as to make different at least one of a signal processing characteristic of the QV amplifier unit and signal a processing characteristic of the AD converter unit for each X-ray detection element of the plurality of X-ray detection elements or for each of an adjacent plurality of X-ray detection elements.
摘要:
A replacement blade razor including a holder having a head portion, a razor head supported by the head portion of the holder, and a blade member removably mounted in the razor head is provided. The head portion of the holder or the razor head includes a holding mechanism that assists in mounting of the blade member in the razor head by attracting or adhering to the blade member and thus causing the razor head to hold the blade member.
摘要:
A phase difference type resolver is adapted such that a calculator calculates an angle from a phase difference at a detection-signal zero cross point, determines a velocity at the angle based on an angle calculated from a phase difference at a previous detection-signal zero cross point, calculates an estimated angle at a next detection-signal zero cross point based on the velocity, divides a difference between the estimated angle and the angle into predetermined minimum detection angles, and outputs a real-time signal based on the minimum detection angles in a range after the angle but before the estimated angle.
摘要:
Flame retardant thermoplastic resin compositions containing (A) a rubber-reinforced resin produced by graft-polymerizing a monomer component containing an aromatic vinyl compound and a vinyl cyanide compound as main ingredients in the presence of a rubber polymer particles and (B) 90 to 60 parts by weight of an aromatic polycarbonate. Optionally (C) a phosphate compound and (D) a component containing poly-tetrafluoroethylene and a lubricant may be present.
摘要:
An illumination device having a light-emitting tube and a reflector for reflecting rays of light irradiated from the light-emitting tube is designed so that the cross-sectional shape of at least one section of the reflector in a plane perpendicular to the axis direction of the light-emitting tube is different from the cross-sectional shapes of the other sections in the axis direction of the light-emitting tube.
摘要:
A camera with a lens mount having an imaging lens and a barrier which is disposed on a camera body and which is shiftable between a closed position where the barrier covers a part of the lens mount and the entire front of the imaging lens and an open position where the barrier is clear of the front of the lens mount. When the barrier is at the closed position, the barrier allows the front of the lens mount to be partly exposed. The camera thus constructed achieves a minimum dimension in the width across the camera body including the barrier.
摘要:
In a collapsible barrel type camera according to the present invention, when the camera user tries to move a barrier from an opened position to a closed position when a lens barrel is protruding to a photographing position, a barrier clicking portion generates a resistance to the barrier before the barrier makes contact with a side of the lens barrel to urge the user to wait for the closing operation. A barrier switch turns off immediately before the barrier has moved to that position where it receives the resistance, and the lens barrel thereby retracts. Hence, the photographer can fully close the barrier after he or she has confirmed collapse. Further, in this camera, the provision of a complicated locking mechanism is not required between the barrier and the lens barrel. This makes the camera compact.