摘要:
An automatic paper loading device and method wherein a paper magazine is placed on a magazine table. The table is slid toward a pair of feed rollers disposed at a paper entrance of a printer processor. While the paper magazine is moving together with the magazine table, the feed roller pair starts rotating, so that a paper leading end is nipped by the feed roller pair immediately before the paper magazine is completely set in the printer processor. A cut-out for allowing the access of the feed roller pair to the paper leading end is formed in the exit of the paper magazine. When the paper leading end has passed through the feed roller pair, the feed roller stops rotating. Then, the width of paper guide are adjusted according to paper data read from the paper magazine. After the adjustment, the feed roller pair starts rotating again, so as to feed the paper further into the printer processor.
摘要:
A paper transporting device for a photographic printer. A pulse motor starts rotating during a magazine setting operation. The rotation of the pulse motor is transmitted to a pair of feed rollers through a pin-clutch mechanism and a paper feed gear train. Immediately before a paper magazine is completely attached to the photographic printer, the feed rollers nip the leading end of photographic paper and pull the photographic paper out of the paper magazine. When changing the paper magazine, a solenoid is turned on to change over the pin-clutch mechanism from the paper feed gear train to a paper rewind gear train. Thereafter, the pulse motor is rotated in reverse, so as to rotate a winding shaft of the paper magazine through the pin-clutch mechanism and the paper rewind gear train. An unexposed portion of the photographic paper remaining in the photographic printer is thus wound back into the paper magazine.
摘要:
A paper mask unit for setting a paper mask in an exposure station of a photographic printer. A mask frame of the paper mask unit has a paper guide member which is movable in a direction transverse to a paper transporting direction between a paper guide position for guiding photographic paper thereon and a rest position wherein the paper guide member is retracted from the exposure station. After the photographic paper is set in the exposure station, the mask frame is displaced apart from the photographic paper. When the paper mask is inserted into the mask frame through the mask guide path, the paper guide member is pushed by the paper mask inwards from the paper guide position into the rest position. Simultaneously, a letter printing aperture of the paper mask is automatically positioned on a lamp housing which is mounted on the paper guide member. Thereafter, the mask frame is moved into a masking position so as to bring the paper mask into contact with the photographic paper. The paper guide member is urged by springs to return to the paper guide position when the paper mask is removed from the mask frame.
摘要:
An apparatus for transporting a photographic paper having an epicyclic gear clutch mechanism for transmitting the rotation of a motor selectively to a magazine and a pair of nip rollers. In auto-loading of the photographic paper, the nip rollers are rotated by the motor to feed the leading end of the photographic paper to the exposure station. If a magazine is exchanged before the whole photographic paper is used, the photographic paper is cut at a position upstream of the last picture frame. In the first paper winding operation, the rotation of the motor is transmitted via the epicyclic gear clutch mechanism to the magazine to wind the unprinted portion of the photographic paper into the magazine. When the leading end of the photographic paper is returned back near the tip rollers, the epicyclic gear clutch mechanism is coupled to the nip rollers. In a second paper winding operation, the nip rollers are rotated reversely until the photographic paper detaches from the nip rollers. According to a preferred embodiment, the rotation of the motor is stopped when the leading end of the photographic paper nears the nip rollers. Immediately thereafter, the epicyclic gear clutch mechanism is coupled to the nip rollers to prevent the photographic paper roll from being rotated by the inertia. When the nip rollers are moved to the nip release position, the leading end of the photographic paper is released from the nip state, thereby allowing the magazine to be unloaded from the magazine chamber.
摘要:
A processing circuit, which carries out coincidence counting, acquires calibration data so that time delays of γ-ray detection signals from radiation detectors coincide with one another. A technique for acquiring calibration data faster and easily is provided to attain high time precision and respond to multi-channeling of detectors. A signal from a test signal generator is sent to signal processing apparatuses and coincidence count events are generated as a test. The events generated are processed by a delay time control apparatus and a variable delay circuit is controlled to improve the accuracy of coincidence counting.
摘要:
A processing circuit, which carries out coincidence counting, acquires calibration data so that time delays of γ-ray detection signals from radiation detectors coincide with one another. A technique for acquiring calibration data faster and easily is provided to attain high time precision and respond to multi-channeling of detectors. A signal from a test signal generator is sent to signal processing apparatuses and coincidence count events are generated as a test. The events generated are processed by a delay time control apparatus and a variable delay circuit is controlled to improve the accuracy of coincidence counting.
摘要:
A processing circuit, which carries out coincidence counting, acquires calibration data so that time delays of γ-ray detection signals from radiation detectors coincide with one another. A technique for acquiring calibration data faster and easily is provided to attain high time precision and respond to multi-channeling of detectors. A signal from a test signal generator is sent to signal processing apparatuses and coincidence count events are generated as a test. The events generated are processed by a delay time control apparatus and a variable delay circuit is controlled to improve the accuracy of coincidence counting.
摘要:
A processing circuit, which carries out coincidence counting, acquires calibration data so that time delays of γ-ray detection signals from radiation detectors coincide with one another. A technique for acquiring calibration data faster and easily is provided to attain high time precision and respond to multi-channeling of detectors. A signal from a test signal generator is sent to signal processing apparatuses and coincidence count events are generated as a test. The events generated are processed by a delay time control apparatus and a variable delay circuit is controlled to improve the accuracy of coincidence counting.
摘要:
A control circuit for controlling a power supply including a first switch and a second switch coupled in series between a first potential and a second potential. The control circuit includes a detection circuit that detects a magnitude relation of a voltage value at a node between the first and second switches and a reference value during a period in which the first switch and the second switch are inactivated. The detection circuit generates a control signal corresponding to the magnitude relation. A regulation circuit regulates a switching timing of the second switch in response to the control signal to decrease a difference between the voltage value at the node and the reference value.
摘要:
An input device includes a body unit, a first touch type position detection unit which detects a first touch position of a human body on a first detection surface of the body unit, a second touch type position detection unit which detects a second touch position of the human body on a second detection surface of the body unit, the second detection surface being on an opposite side of the body unit as the first detection surface, and a detection area restriction unit which restricts an area, which can be detected by the second touch type position detection unit, on the second detection surface according to information of the first touch position and information determined in advance. The information determined in advance is data indicating a relation between the first touch position on the first detection surface and the restricted area on the second detection surface.