JPS63311253A - Device for testing finished copy - Google Patents

Abstract

PURPOSE:To easily perform retrieval and collation between the printed image of a sheet of photographic paper and the image frame of a negative film corresponding to the above image, by storing a frame number which identifies the image frame with exposure quantity correction information which corrects an exposure quantity at the time of printing the negative film, and reading the frame number. CONSTITUTION:The exposure state of the negative film 12 after development is judged by a notcher puncher, and the exposure quantity correction information at the time of printing is stored with the frame number on a paper tape 18. Furthermore, the image of the negative film 12 is printed by a printing device 22, and in such case, the paper tape 18 is fed synchronizing with the negative film 12,,and the exposure quantity correction information stored on the paper tape 18 is read at every image frame by a reader 32, and the image is printed by controlling a filter 30. Afterwards, the finishing state of the printed image of the sheet of photographic paper 24 is qualified as being carried, and at this time, the frame number is printed on the rear plane of the sheet of photographic paper 24 by a printer 42. In such a way, it is possible to perform the retrieval and the collation easily.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a finished print inspection device, and is particularly used to judge the quality of the finish of continuous photographic paper on which negative film images have been subjected to printing and development processing. This invention relates to a finished print inspection device.

[Prior Art] Photographic paper on which a negative film image has been printed by a printing device is developed by a developing device and then cut into individual images to be manufactured into products.

In the printing process in this printing device, the amount of printing exposure to the photographic paper is optimized to obtain the best printed image. That is, using a notch puncher, a semicircular notch is punched at the side edge of the negative film at a position corresponding to the image, and a notch is punched according to the average transmission density (LATD) obtained by photometrically measuring the image with a printing device. Information on the exposure correction amount for the exposure amount obtained is stored in a tape serving as a storage medium. Furthermore, this Gio tape is loaded into a printing device, the negative film is conveyed in synchronization with the Gio tape, and the presence of a notch is detected using a photoelectric switch, etc., and when the presence of a notch is detected, the conveyance is stopped and detected. At the same time as positioning the image corresponding to the notch in the printing position,
The exposure amount correction information stored on the paper tape is read and printed based on this information. Further, the photographic paper after printing is developed and then sent to a finished print inspection device, where the quality of the printed image is determined by visual inspection by an operator, and then cut into individual prints.

[Purpose of the invention]

By the way, the optimum exposure amount for negative film is as mentioned above.
Since the amount of exposure correction for the exposure amount according to the ATD is determined by the operator's visual inspection, it is easy to determine the appropriate amount of exposure correction, for example, in the case of negative film with density fetish or negative film with color fetter. In some cases, the finished printed image may be determined to be defective. Furthermore, printing may fail due to mechanical malfunction of the shutter or the like. In these cases, it is necessary to reprint the image.

However, it is extremely difficult to search for a frame corresponding to a defective print image from a series of negative film frames.

Additionally, when a customer reorders for reprints, the correspondence between the printed image and the image on the negative film is difficult.
＜、The designation of rice cakes was complicated.

The present invention has been made in consideration of the above-mentioned facts, and an object of the present invention is to provide a finished print inspection device that can easily search and match a print image on a photographic paper with a corresponding image on a negative film.

(Means for Solving the Problem) The finished print inspection device according to the present invention is a finished print inspection device for determining the quality of the finish of a print that has been subjected to printing and development processing from a negative film, and the device is a finished print inspection device for determining the quality of the finish of a print that has been subjected to printing and development processing from a negative film. a reading device that reads the exposure number from a storage medium that stores the exposure correction information for correcting the exposure amount during printing of the negative film, as well as the exposure number for identifying the image exposure, and the read exposure number. and a printing device for printing on photographic paper.

[Effect]

In the finished print inspection apparatus configured as described above, the photographic paper is conveyed to the inspection position by the conveyance device. At this time, the image roll number of the negative film corresponding to the print image located at the verification position is read by the reading device. Furthermore, the read serial number is printed by a printing device on the photographic paper on which the image has been printed.

Therefore, when searching and matching a printed image on photographic paper with the corresponding image exposure on negative film, it is only necessary to use the exposure number displayed on the photographic paper to match the negative film, making it easy to search and match. Ru.

〔Example〕

FIG. 3 shows a schematic configuration diagram of a photo processing system to which the finished print inspection apparatus fIO according to the present invention is applied.

After being exposed, the negative film 12 is developed in a developing bag Wt14 and then sent to a notch puncher 1.6. As shown in FIG. 4, the notch tape 18 is conveyed in the notch puncher 16 in synchronization with the conveyance of the negative film 12. A film reader 21 is disposed in the notch puncher 16, and is adapted to read a bar code 23 indicating the film number written on the negative film 12, as shown in FIG. The film reader 21 is connected to the control circuit 19, and is configured to input the read barcode 23, ie, the film number, to the control circuit 19.

Further, a notch head 25 is arranged on the notch puncher 16, and the notch head 25 is connected to the control circuitry 9. The notch head 25 is adapted to make a notch 27 at the side edge of the negative film 12 corresponding to an image.

In this notch puncher 16, the negative film 12
The exposure condition is determined for each image exposure, and exposure correction information based on the information is inputted to the control circuit 19 via the keyboard 17, and then sent to the tape 18 by the punch head 20 along with the exposure number inputted by the film reader 21. It is meant to be remembered.

The negative film 12 whose exposure state has been determined by the notch puncher 16 and the paper tape 12 on which the exposure amount correction information and the exposure number are stored are further processed by a printing device 22. As shown in FIG. 5, the printing device 22 is provided with an optical system 26 and a light source 28 for printing the image on the negative film 12 onto photographic paper 24. Further, a filter 30 is arranged between the negative film 12 and the light source 28, and is connected to a control circuit 33. Also, the printing device 22
A reader 32 for reading the film number and exposure correction information stored on the tape 18 is disposed at one end and is connected to the control circuit 33.

The reader 32 reads the exposure amount correction information corresponding to each image trace of the negative film 12 from the tape 18 conveyed in synchronization with the negative film 12 and inputs it to the control circuit 33, and the control circuit 33 reads the exposure amount correction information corresponding to each image trace of the negative film 12 and inputs it to the control circuit 33. The filter 30 is operated to adjust the exposure amount of the negative film 12 to the optimum exposure amount, and the image is printed onto the photographic paper 24. Markers 34 are arranged, and cut marks 35 are made at each gap in the image trace of the photographic paper 24 after printing, as shown in FIG.

After the photographic paper 24 on which the image has been printed is developed in a developing bag y138, the finished state of the photographic paper 24 is inspected together with the tape 18 in the finished print inspection device 10. FIG. 1 shows a partially cutaway overall perspective view of the finished print inspection apparatus 10, and FIG. 2 shows a schematic front view.

A plurality of transport rollers 40 for transporting the photographic paper 24IJa are arranged in the finished print inspection apparatus IO, and the photographic paper 24 is conveyed to an inspection position at the center of the apparatus. In this case, the photographic paper 24 is guided and conveyed with the print image surface facing upward. Conveyance roller′
A drive sensor 41 is connected to 40 so that the rotation direction of the conveyance roller 40 can be detected. This drive sensor 41 is connected to a control circuit 44, and is configured to input a detected rotation direction signal to the control circuit 44.

A tape reader 48 is installed at one end of the finished print inspection device 10.
is arranged so that the paper tape 18 is fed in synchronization with the photographic paper 24 being conveyed by the conveyance roller 40. A reading head 49 for reading the tape number stored on the tape 18 is attached to the tape reader 48 . The reading head 49 is connected to the control circuit 44, and the read serial number signal is input to the control circuit 44.

On the other hand, inside the finished print inspection device 10, a printing device 42 is arranged corresponding to the back side of the sent photographic paper 24.
It is possible to print on photographic paper 24. In this case, the print head of the printer 42 is disposed in the same direction as the conveyance direction of the photographic paper 24, so that printing can be performed sequentially along the longitudinal direction of the photographic paper 24 as the photographic paper 24 is conveyed. This printing device 42 is connected to the control circuit 44 .

Further, a cut mark sensor 46 is disposed at a position corresponding to the upper surface of the photographic paper 24 being fed, and is further connected to a control circuit 44 . This cut mark sensor 46
The cut mark 35 made on the photographic paper 24 is detected in the printing device 22 and inputted to the control circuit 44. The control circuit 44 operates the printing device 42 based on this cut mark detection signal, and when the presence of the cut mark 35 is detected, the print number input from the reading head 49 is printed on the back side of the image mark located directly above the printing device 42. is printed.

As shown in FIG. 8, the control circuit 44 includes a central processing unit (CP).
50, a read only memory (ROM) 52, a random access memory (RAM) 54, an input/output port 56, and a bus 58 connecting these.

The drive sensor 41, cut mark sensor 46, and tape reader 48 are connected to the input/output port 56, and the conveyance roller 40 and printing device 42 are connected via the drive circuit.
is connected.

Next, the work of this embodiment will be explained.

The negative film 12 after development is passed through a notch puncher 16.
The exposure state is determined at , and exposure amount correction information at the time of printing is stored on the paper tape 18 together with the exposure number. Further, an image is printed on the negative film 12 by a printing device 22. In this case, the paper tape 18 is conveyed in synchronization with the negative film 12, and the exposure correction information stored on the tape 18 is read by the printer 74 3332 for each image, and the filter 3o is controlled to print the image.

Cut marks 35 are made on the photographic paper 24 after marking by cut markers 34 at each gap between each image.

The photographic paper 24 on which the image is printed by the printing device 22 and cut marks are attached is subjected to development processing in the developing device 3 days and then verified by the finished print verification device 10.

In the finished print inspection apparatus 10, the photographic paper 24 is conveyed to the inspection position by the conveyance roller 40, and the paper tape I8 is conveyed in synchronization with this. While the photographic paper 24 is being conveyed, an operator visually inspects the finished state of the printed image. At this time, a print number is printed on the back side of the photographic paper 24 by the printer 42. FIG. 9 shows a control routine for the printer 42.

When the finished print inspection device 10 is activated, step 100
In this step, the count number N of cut marks is set as an initial value O. Further, in step 102, the conveyance roller 40 is driven. When the ie feed roller 40 is driven and the photographic paper 24 is conveyed, the drive sensor 41 is activated in step 104.
The direction of rotation of the conveyance roller 40 is determined based on the signal from the conveyance roller 40 . If the rotation is normal, the photographic paper 24 is being conveyed in the normal conveyance direction, and a cut mark is detected in step 106, and the cut mark count number N is added in step 108.

On the other hand, if the rotation is reverse in step 104, the photographic paper 24 is being conveyed in the reverse direction (return direction), the cut mark is detected in step 110, and the cut mark count number N is subtracted in step 112. Step 104 again
Return to

Next, the counted cut mark count number N is judged to be positive or negative in step 114, and if it is 0 or a negative number, the process returns to step 104 and the routine is repeated until it becomes a positive number. If the cut mark count number N is a positive number in step 114, it is determined in step 116 whether it is the printing position, and if it is the normal printing position, step 118
At step 120, the record number stored on the Gio tape 18 is read by the Gio tape reader 48, and at step 120, it is read by the printer 4.
2 is printed. Further, in step 122, it is determined whether the verification printing work has been completed, and if it has not been completed, the process returns to step 100, the above-mentioned routine is repeated, and the process ends.

In this way, cut marks are added or subtracted as the photographic paper 24 is conveyed, and the cut mark is printed only if it is a positive number. Re-printing is prevented when the paper is conveyed in the normal direction again.

A printed image whose finished state is poor and is determined to require reprinting by inspection can be easily searched and verified because the print number of the negative film 12 corresponding to this image is printed on the back side.

This improves the efficiency of reprinting work. Furthermore, when a customer reorders reprints or the like, he or she can easily designate the delivery of the print image.

〔Effect of the invention〕

As explained above, the finished print inspection device according to the present invention has the following features:
This has the excellent effect that the negative film image exposure number is displayed for each image on the photographic paper, making it easy to search and match the print image on the photographic paper and the corresponding image exposure on the negative film. There is.

[Brief explanation of the drawing]

FIG. 1 is a partially cutaway perspective view of a finished print inspection device according to the present invention, and FIG. 2 is a schematic front view of the finished print inspection device.
Fig. 3 is a schematic configuration diagram of a photo processing system to which a finished print verification device is applied, Fig. 4 is a schematic front view of a notch puncher, Fig. 5 is a schematic front view of a printing device, and Fig. 6 is a schematic diagram of a photographic paper and a photo processing system. Back view of photographic paper showing correspondence with printing device, No. 7
The figure is a plan view showing the correspondence between the paper tape and the negative film, FIG. 8 is a block diagram of the control circuit, and FIG. 9 is a flowchart showing the control routine. IO... Finished print verification device, 12... Negative film, 18... Gion tape, 24... Photographic paper, 40... Conveyance roller, 42... Printer, 44... Control circuit , 46...Cut mark sensor, 48...Paper tape league.

Claims (1)

[Claims] (1) A finished print inspection device for determining the quality of a print that has been subjected to printing and development processing from a negative film, which includes a conveying device that conveys the print to an inspection position, and an amount of exposure during printing of the negative film. The present invention is characterized by comprising: a reading device that reads the exposure number for identifying the image exposure from a storage medium that stores the exposure amount correction information for correcting the image exposure; and a printing device that prints the read exposure number on photographic paper. Finished print inspection device.