JP2606865C - - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a photographic printing apparatus. BACKGROUND OF THE INVENTION Generally, in forming a photograph, it is necessary to print the image on a photographic paper using a negative film that has been photographed and developed, and a photographic printing apparatus is used for this purpose. The photographic paper from the photographic printing device is developed by a photographic developing device to form a photograph. FIG. 3 is an explanatory view showing an outline of the automatic photographic processing system, wherein 1 is a photographic printing apparatus, 2 is a developing section, 3 is a drying section, 4 is a cutter section. L and a reflecting mirror R are provided, and the light image of the negative film N formed by the light source lamp L is reflected by the reflecting mirror R, thereby being conveyed from the photographic paper roll storage unit 5 and positioned in the printing area. The image of the negative film N is exposed on the printing paper P, and printing is performed. The printed photographic paper P is conveyed so as to pass through a developing processing tank 6, a bleach-fixing processing tank 7, and a stabilizing processing tank 8 having a three-tank configuration in the developing unit 2 of the photographic developing apparatus in this order. Is developed. The photographic paper P thus developed is then sent to the drying unit 3 and dried by, for example, warm air, and then cut by the cutter unit 4 to form a photograph. [Problems to be Solved by the Invention] In the photographic printing apparatus of the automatic photographic processing system as described above, there are few cases where a sub-exposure image such as a commemorative character or a specific mark should be printed on the photographed image. Absent. In order to achieve such a demand, a sub-exposure unit is provided in a photographic printing apparatus. However, the size of one frame portion (one screen) to be printed is various, and the photographic paper is intermittently conveyed by a conveyance amount matching the size of the designated frame, so that the sub-exposure unit is located at a fixed position. When the photographic paper is provided, the position of the sub-exposure image and the position of the main exposure image in each frame having a different length cannot maintain a relationship of an integral multiple of the feed amount. Each of the sets must be stopped, which causes a problem that the print processing efficiency is reduced. [Object of the Invention] The present invention has been made in view of the above circumstances, and it is possible to perform a target print process on a photographic paper conveyed through a print area in the print area. It is another object of the present invention to provide a photographic printing apparatus capable of printing a sub-exposed image correctly at each frame position. [Means for Solving the Problems] The photographic printing apparatus of the present invention provides a photographic paper transport mechanism for intermittently transporting a photographic paper in a length direction thereof by a transport amount corresponding to the size of one frame via a print area. And a paper mask comprising a longitudinal mask member defining front and rear edges in the length direction of the print region and a width mask member defining both side edges in the width direction of the print region, and a dimension of the print region in the paper mask A lengthwise movable sub-exposure unit coupled to a mask member that is moved in the lengthwise direction when is changed. The sub-exposure is performed on a frame portion located upstream or downstream by one frame from the frame portion. [Effect] According to such a configuration, when the mask member movable in the length direction of the paper mask is moved in the length direction to a predetermined position in order to change the size of the print area, the mask member The sub-exposure unit is automatically moved in the same length direction by the same distance as a whole, so to speak, so that the photographic paper is transported by the transport amount corresponding to the size of one frame. A sub-exposure image can be printed on a certain portion of each performed frame. Examples Examples of the present invention will be described below. FIG. 1 is an explanatory view showing the configuration of a photographic printing apparatus according to one embodiment of the present invention, where 10 is an outer casing, L is a light source lamp, R is a reflecting mirror, 11 is a color filter, 12
Denotes a mirror tunnel, 13 denotes a negative carrier, 14 denotes a lens, 15 denotes a dark shutter, and a light image of a negative film N is projected on a photographic paper P moving in a path indicated by a chain line in a print area as indicated by an arrow A. Exposure is performed. T is an operation table. In the photographic paper roll storage unit 5 provided at the lower part of the apparatus, 20 is a mounting cavity, 21 is a magazine table, 22 is a photographic paper magazine, 23 is a photographic paper roll, and the magazine table 21 is a mounting cavity. In FIG. 1, the magazine table 21 is supported so as to be able to run in a direction perpendicular to the plane of the paper of FIG. 1, so that the magazine table 21 is freely received in and out of the mounting cavity 20 in the horizontal direction. A printing paper magazine 22 is removably supported on the magazine table 21. Inside the printing paper magazine 22, a printing paper roll 23 has a rotating shaft whose rotation axis is in the running direction of the magazine table 21 (the paper surface in FIG. 1). (A direction perpendicular to the direction). A photographic paper pulling mechanism 28 having a pair of pull-out rollers 30 and 31 for pulling out the photographic paper P from the photographic paper roll 23 mounted as described above is provided above the mounting cavity 20. Have been. Reference numeral 44 denotes a loop forming guide plate. The loop forming guide plate 44 has a guide position indicated by a solid line positioned along a photographic paper path extending vertically and a loop 1 of the photographic paper P in the loop forming space 45. Is movable between an open position indicated by a chain line that is opened upward to allow formation of. Reference numeral 55 denotes a drive motor for pulling out the photographic paper. The drive motor drives the shaft of the photographic paper roll 23 in the photographic paper magazine 22 and the feed roller 56.
One of the pull-out rollers 30, 31, which is connected to the drive, is driven. Reference numeral 60 denotes an upstream drive roller for driving photographic paper, and 61 denotes a downstream drive roller, which are connected via timing belts 70 and 71 and pulleys 72 and 73 so as to be driven by a common drive motor 63. ing. As shown in detail in FIG. 2, the upstream drive roller 60 and the downstream drive roller 6
1, a paper mask for forming a print area is provided. This paper mask has a front edge (upper edge in the figure) in the length direction (transport direction) of the photographic paper P.
, And a width direction mask member 83 (only one of them) that defines both side edges in the width direction of the print area. The length direction mask member and the width direction mask member are respectively provided so as to be symmetrically moved about the exposure center, and a print area having a size corresponding to the designated frame size is further provided. As formed
It is connected to a mask control mechanism (not shown) for moving the lengthwise mask member and the widthwise mask member. A sub-exposure unit (character printing mechanism) 65 is disposed at an upstream position of the print area so as to be movable in the length direction, and its end on the print area side is used when the size of the print area is changed. The paper mask, which is a mask member moved in the length direction, is integrally connected to an upstream end of the widthwise mask member of the paper mask. 85 is a press plate for pressing the photographic paper P against a paper mask when exposure is performed;
Reference numeral 86 denotes a solenoid for driving the holding plate 85. A back printer 66 is disposed at a downstream position of the downstream drive roller 61,
A cutter 67 is disposed downstream of the back printer 66. Reference numeral 68 denotes an accumulation loop forming guide plate, 1 _A denotes an accumulation loop of the photographic paper P, and 69 denotes a discharge roller. S1 to S4 are photographic paper detection sensors, S1 is located at the downstream position of the pull-out rollers 30, 31, S2 and S3 are located at the upstream and downstream positions of the upstream drive roller 60, and S4 is located at the downstream position of the cutter 67, respectively. Have been. S5 is a sensor for detecting loop 1 in the loop forming space 45. In the configuration described above, the photographic paper P is pulled out from the photographic paper roll 23 in the photographic paper magazine 22 mounted on the photographic paper roll storage unit 5 by the drawing rollers 30 and 31.
Is drawn out and transported along the printing paper path by the feed roller 56 and the feed pressure contact roller 57, squeezed by the upstream drive roller 60, and the loop forming guide plate 4.
A loop 1 of the printing paper is formed in the loop forming space 45 by the action of 4, and the leading end of the printing paper P is conveyed and mounted until the leading end of the printing paper P is nipped by the downstream drive roller 61, so that the printing paper P is mounted for continuous printing. Preparation is completed. When the drive motor 63 is intermittently driven, the printing paper P is transported by the length corresponding to the size of the designated frame, and the desired printing processing is performed on the printing paper portion located in the printing area. When one print process is completed, the drive motor 63 is driven, and the photographic paper P is further conveyed by one frame, and the next print process is performed. Simultaneously with this printing process, a sub-exposure such as a commemorative character to be displayed on the surface of a photo printed in the print area is printed on a photographic paper portion corresponding to a frame subsequent to the frame located in the print area. The image is printed by the sub-exposure unit 65. Then, in the next print processing, the main exposure is performed on the frame on which the sub-exposure image is printed. If necessary, at the same time as the printing process, the back printer 6
6 indicates an appropriate number or character. Thus, according to the above configuration, the sub-exposure unit 65 is disposed movably in the length direction, and the end on the print area side is integrally formed with the upstream end of the widthwise mask member of the paper mask. Because of the connection, the mask control mechanism defines a leading edge and a trailing edge of the printing area and a paper mask 80 so as to define both side edges in the width direction of the printing area in order to perform photo prints of different sizes. When the lengthwise mask member and the widthwise mask member 83 are moved, the sub-exposure unit 65 is moved in the lengthwise direction in accordance with the movement, so that the frame portion following the frame located in the print area On the other hand, the sub-exposure unit 65 is always located at a position that coincides with the main exposure area. Since the amount corresponding photographic paper P is conveyed, it is possible to perform printing of the sub-exposure image always in a frame portion that follows the frame according to the print.
This is the same regardless of the size of the specified frame. Further, since the sub-exposure unit 65 is integrally moved by the position control of the paper mask as described above, it is not necessary to provide a dedicated position control mechanism or the like in the sub-exposure unit 65, and the operation is extremely simple. . Furthermore, since the sub-exposure is performed on the frame portion located one frame upstream from the frame portion located in the printing area of the photographic paper,
Since the main exposure process and the sub-exposure process are performed simultaneously in parallel, the time efficiency is high,
Moreover, the transport of the photographic paper is not complicated. In addition, since the main exposure process and the sub-exposure process are separately performed, the sub-exposure region is not limited by the main exposure region. As described above, the case where the sub-exposure unit is located on the upstream side of the main exposure area has been described.However, in the present invention, even when the sub-exposure unit is located on the downstream side of the main exposure area, Except for the fact that the order of the sub-exposure is reversed, exactly the same effects can be obtained. As described above, according to the present invention, when a lengthwise movable mask member of a paper mask is moved to a predetermined position in the paper mask in order to change the size of the print area, The sub-exposure unit is integrally moved by the same distance in the same length direction, and the photographic paper is transported by the photographic paper transport mechanism in a transport amount corresponding to the size of one frame. The sub-exposure image can be printed on a fixed portion of each frame to be exposed.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory view showing the configuration of a photographic printing apparatus according to one embodiment of the present invention, and FIG.
FIG. 3 is an explanatory diagram showing details of a print area and a sub-exposure unit in FIG. 1;
FIG. 3 is an explanatory diagram showing an outline of the automatic photographic processing system. Reference Signs List 1 photo printing apparatus 2 developing processing section 3 drying section 4 cutter section 5 photographic paper roll storage section L light source lamp R reflecting mirror N negative film P … Photographic paper 6… development processing tank 7… bleach-fix processing tank 8… stabilization processing tank 10… outer casing 11 is a color filter 12… mirror tunnel 13… negative carrier 14… lens 15 dark shutter T operating table 20 mounting cavity 21 magazine table 22 photographic paper magazine 23 photographic paper roll 28 photographic paper pull-out mechanism 30, 31 Draw-out roller 44… Loop forming guide plate 45… Loop forming space, l… Loop 55… photographic paper drawing drive motor 56… Feed-in roller 57… Feed-in pressure contact roller 60… Upstream side Drive roller, 61 ... Flow-side drive roller 63 ...... drive motor, 65 ...... character STAMP mechanism 66 ...... back printer 67 ...... cutter 68 ...... accumulation loop forming guide plate l _A ...... accumulation loop 69 ...... discharge rollers, S1 to S5 Sensors 70, 71 Timing belts 72, 73 Pulley 81 Upper member 82 Lower member 83 Width mask member 85 Holding plate 86 Solenoid

Claims (1)

Claims: (1) A photographic paper transport mechanism for intermittently transporting a photographic paper in a length direction thereof through a print area by a transport amount corresponding to a dimension of one frame, and a photographic paper transport mechanism in a length direction of the print area. A paper mask comprising a longitudinal mask member defining front and rear edges and a width mask member defining both side edges in the width direction of the print area; and a longitudinal direction when the size of the print area in the paper mask is changed. A sub-exposure unit that is movable in the longitudinal direction and that is connected to a mask member that is moved in the direction described above. A photographic printing apparatus wherein a sub-exposure is performed on a frame portion located only on the upstream side or the downstream side.