KR20020062087A - Universal photo printer for digital & silver salts photo - Google Patents

Abstract

PURPOSE: A printing device for silver halide photograph and digital photograph is provided to be applicable for both of the silver halide photograph and the digital photograph. CONSTITUTION: A printing device is connected to an existing silver halide photograph expansion system and comprises an image input part(1) continuously scanning negative films for photograph and original slide films at high speed to transmit to a computer main body(2); the computer main body having application programs built therein to process and correct graphic files transmitted from the image input part and to output to an image output part(3) outputting graphic images from the computer main body in reversed images; and a temperature control part(7) appropriately controlling temperature of the image output part.

Description

Silver-colored photograph and digital photo printing device for photography {UNIVERSAL PHOTO PRINTER FOR DIGITAL & SILVER SALTS PHOTO}

The present invention relates to an apparatus and method for printing and expanding a high-resolution photographic silver-colored photograph and a digital photograph that is additionally installed and connected to an existing silver-printed photo-expanding system, thereby supporting both silver-printed and digital photograph output.

The computer main body, the image input unit and the image output unit can be attached and detached by a code, a jack, etc., and the hardware can be upgraded according to the resolution of the image. The image output unit is a film insertion unit of a conventional silver salt printing system. By additionally located, it provides the function to easily output optical silver photograph as well as digital photograph.It is a general-purpose type that can be applied to manual enlarger as well as automatic printer, and can be widely applied regardless of maker or model. A device and method for printing silver tinted photographs and digital photographs, which are compatible, and in particular, slide film can be processed by computer printing by negative correction processing by image correction to reduce production cost, high speed continuous scan and real time high speed digital output. The purpose is to provide.

As the photographic method has evolved from the conventional optical silver dye method to digital method which is free to synthesize, modify, or edit the photo due to the high performance of the computer and the rapid spread of the digital camera, the market related to the photographic print process also has been developed. At the same time, it is necessary to introduce a new digital printing expansion system or convert all existing systems to digital, but the high resolution digital printing expansion system is more than KRW 200 million, which is an economic problem in purchasing and operating facilities. The silver salt-based system has low productivity, which takes about 3 to 5 seconds per working time for standard exposure documents, while working time is 0.2 to 1 second per cut. Prevents magnification There is a need for a general purpose silver and digital photo output device with low cost and high compatibility to process hair photos in parallel.

In addition, low-cost general-purpose printers and scanners, such as input and output equipment, but has a problem in resolution, preservation or contrast area, color, etc. In particular, the photo paper has secured more than 100 years, but low-cost printers and inkjets are not.

On the other hand, due to the difference in the emulsion and chemical treatment process of photo film and photo paper, the existing slide printing enlargement system is impossible to enlarge the negative film, the negative printing enlargement system is also impossible to enlarge the slide film, and the slide printing expansion process is negative. It has the problem of high cost weighting, which is more than twice the printing system and chemical process, suggesting the possibility of drastically reducing the slide printing cost weight to less than 1/2 by combining slide printing with negative printing system. Doing.

In order to achieve the above object and solve the above problems, the present invention,

First, the existing silver dye photo printing expansion system can be applied as it is.

Secondly, it can support both the existing silver dye and digital printing.

Third, it provides a device for printing negative or slide film into photos.

Fourth, it provides a device that can be upgraded according to the output resolution.

Fifth, it supports one-step full color exposure, one-step sequential exposure and three-step separate exposure to secure wide compatibility of the device according to the present invention, and supports YMC color separation and RSB color separation,

Sixth, in order to achieve better color density, contrast, and resolution, spot colors other than three primary colors are additionally separated to support additional exposure sequentially following this exposure.

Seventh, the silver salt-based photo paper process provides an excellent device for achieving excellent preservation and color contrast.

1 is a comparison table showing an output device of a digital photograph,

2 is a comparison table showing an input device for digital photography

3 is a view schematically showing a photo flow of a conventional optical silver dye photograph method,

Figure 4 is a view schematically showing an embodiment of a silver photograph and digital photo printing apparatus for photography according to the present invention,

5 is a view schematically showing an image output unit exposure method according to the present invention.

6 is a view schematically showing a conventional optical silver salt printer.

FIG. 7 is a view schematically illustrating a method for installing a silver-silver photograph and digital photo printing device for photography according to the present invention.

<Explanation of symbols for main parts of drawing>

1: Video input unit 11: Photo paper for expanding photo

2: computer body 12: magnifying lens for photographic printing

3: image output unit 13: conventional photo printer film document insertion unit

4: conventional photo printer 14: conventional photo printer diffusion box

5: conventional photo processor 15: conventional photo printer primary color filter

6: Digital Camera / Photo CD Input 16: Conventional Photo Printer Light Source

7: temperature control unit 17: conventional photo printer dark shutter

The present invention relates to a silver print photo and digital photo printing device that can be installed in the existing silver print photo printing expansion system to enlarge the silver print photo and digital photo print,

Hereinafter, described in detail by the accompanying drawings as follows.

High-speed continuous scanning of photographic negative film or slide film originals, and the image input unit 1 and the graphic file transmitted from the image input unit 1 are processed and corrected, and then output to the image output unit 3 Temperature control unit for proper temperature control of the image output unit (3) and the image output unit (3) for outputting a graphic image output from the computer body (2) and the computer body (2) with a built-in program as an inverted image It consists of (7),

The computer main body 2, the image input unit 1 and the image output unit 3 can be attached and detached by a cord, a jack, etc., so that the hardware can be upgraded according to the output resolution of the picture. (6) The dedicated output system does not require the image input unit 1, and only if the image input unit 1 and the image output unit 3 are replaced or upgraded when an input output such as higher resolution or continuous high speed scan is required. Can improve functionality

The image output unit 3 is additionally located in the film insertion unit 13 of the conventional silver salt printing system 4 and 5 to provide a function of easily outputting optical silver salt photographs as well as digital photographs. It is a general-purpose type, which can be applied to the manual enlarger as well as the automatic printer (4), and provides the function of real-time digital photo output of the slide film as well as the negative film, and especially the slide film image correction on the computer main body (2). As a result, it is possible to reduce the processing cost and increase the efficiency by performing digital output processing with the negative print processing (5).

The scanner of the image input unit 1 supports a continuous high-speed scan function manually or automatically by configuring a scan channel for each film type, emulsion, and size, and scans not only slide film but also negative, black and white film, or photo. Transfer and save to the buffer or temporary file folder of (2). At this time, you can save and save the functions such as sharpness, color, density, contrast, file processing according to user option.

The computer main body (2) sets, adjusts and sets the image input unit (1), image output unit (3), printer (4) temperature control unit (7) by a dedicated program, and at the image input unit (1) The transmitted image file is displayed on the real-time monitor. At this time, the monitor display can adjust the monitor gamma, color, density, saturation, etc. to enable the pre-monitoring of the finished photo output, and process, correct, and synthesize the image. Color separation into three primary colors (RGB or YMC) is stored in the buffer or temporary file folder of the computer main body 2 or output to the real-time image output unit (3).

At this time, when the output is started to the image output unit 3, the output interlocking signal is sent to the printer 4 so that the printer 4 and the image output unit 3 can be interlocked. There are full-color exposure and 1-step sequential exposure for each of three primary colors, three-step separation exposure of separate exposure by three primary colors, and support for RGB additive color mixing and YMC navy blue mixed three primary colors to ensure broad compatibility, and also excellent color density and contrast. In order to realize the resolution, it separates the spot colors other than the three primary colors in color separation and supports additional exposure to output additional exposure following this exposure, and improves the output speed at high speed by setting the option of color separation before output and color separation at output. Depending on the output exposure method, one-step full-color exposure has the advantage of short output and exposure time, but output quality is low, and one-step sequential exposure The output and exposure time is also short and excellent output quality can be maintained, the three-step separation exposure is excellent in output quality, but the exposure time is too long and the automatic printer 4 is affected by the ambient light.

The image output unit 3 displays an image transmitted from the computer main body 2, wherein the displayed image is an inverted full color or a color-resolved black and white inverted image, and the image output unit 3 is based on the size of the existing film. It is a small, medium, and large sized projection LCD that is an active matrix high-temperature POLY-SILICON TFT that adopts a large, high-resolution LCD, resulting in higher output resolution and improved quality, and upgradeable to next-generation projection display such as LCOS. It is characterized by.

When the output of the image output unit 3 starts, the printer 4 sends an output interlocking signal to the printer 4 so that the image output unit 3 and the printer 4 operate in conjunction with each other, and the white light of the light source unit 16 lamp is operated. The light source stabilized in the diffusion box 14 while passing through the three primary color dichroic filter 15 controls the magnification and focus of the image displayed on the image output unit 3 with the lens 12 for photographic printing. (17) is opened and exposure to the photo paper 11 is started.

At this time, the exposure time and color balance are determined by the dark shutter exposure time of the printer 4 and the dichroic trichromatic filter 15, and the total projection time of the color separation files output from the computer main body 2 and the respective color separation files. It is determined by the projection time.

The printer 4 is characterized in that the photograph is completed by closing the dark shutter 17 and setting the latent image formed on the photo paper through the negative printing process 5 after the set exposure is completed.

The present invention is not limited to the accompanying drawings and various modifications and changes may be made without departing from the spirit of the present invention.

As described above, the present invention,

It is possible to upgrade by using existing equipment and system by constructing high resolution silver tint photo and digital photo printing system that outputs high resolution photo at low cost by using existing optical silver salt photo enlarger. Has the advantage of supporting digital and digital methods,

In particular, the processing of printing non-negative film as well as expensive non-processing slide films can be processed by computer-based image correction with negative print processing to increase production cost and efficiency. By realizing the exposure method, it has excellent color, high contrast and excellent preservation.

As it can be widely applied regardless of the manufacturer or model of the existing manual printing expansion system as well as the automatic printing expansion system, there is a useful effect to reduce the inconvenience and economic loss caused by high compatibility and duplicate purchases of consumers.

Claims (3)

In the silver silver photograph and digital photo printing apparatus for photography, Attached to the conventional silver salt printing system Computer main body and computer with a built-in program that can continuously scan negative film and slide film for photographs at high speed and send them to the computer main body, and program that can process the graphic files sent from the image input part and output them to the image output part. It consists of a video output unit that outputs the graphic image output from the main body as an inverted image and a temperature control unit for proper temperature control of the image output unit. The computer main body, the image input unit, and the image output unit can be attached and detached by a code, a jack, etc., and the hardware can be upgraded according to the resolution of the photographic image. The image output part is located in addition to the film insertion part of the existing silver salt printing system, and it provides the function of outputting not only optical silver salt photograph but also digital photograph. It is a general-purpose type and can be applied to manual enlargement and automatic printer. , Compatible with various makers and models, A silver-colored photographic and digital photographic printing device for photographing a slide film, characterized by high-speed continuous scanning and real-time high-speed digital output which can be processed by a negative printing process by image correction on a computer body. In the method of enlarging photographic print of photographic silver and digital photographic printing device The scanner of the image input unit configures scanning channels for each film type and size for each emulsion and enables continuous high-speed scans manually and automatically scans slide films, negatives, black and white films, and photos to a buffer or temporary file folder on the computer. This function saves and transmits sharpness, color, density, contrast and file processing according to user's option. The computer main body sets up the image input unit, image output unit, printer, temperature control unit and adjusts the settings and sequence by using a dedicated program, and the image input unit displays the transmitted image file on the real-time monitor. Monitor gamma, color, concentration, and saturation can be adjusted to enable pre-monitoring. Image processing, calibration, and synthesis can be processed, and color separation into three primary colors is performed to store them in the buffer of the computer main body, temporary file folder, or to output real-time video. Perform negative output. At this time, the output is sent to the image output unit, and the output interlocking signal is sent to the printer so that the printer and the image output device can be interlocked.There are 1 step full color exposure by white light and 1 step three primary color exposure according to the specification of the output option. It supports three-step separation exposure of three primary color separation exposure, RGB primary color mixing and YMC navy blue color mixing three primary colors, and it is possible to speed up the output speed by securing device compatibility by setting color separation before output and color separation at output. , The image output unit displays an image transmitted from the computer main body, and the displayed image is an inverted full color, a monochromatic inverted image for each of three primary colors, and a chromatized inverted image, and an image output unit for an existing film size 135 .120. It is a 4 x 5 sized projection LCD and it is an active matrix high-temperature poly-silicon TFT. The output resolution increases as a large-scale high-resolution LCD is adopted, and it can be upgraded to next-generation projection display such as LCOS according to the development of technology. The printer starts output of the image output unit and sends an output interlocking signal to the printer so that the image output unit and the printer work together.The white light from the printer light source unit lamp passes through the three primary color dichroic filter, and the light source which is stable in the diffusion box is the image output unit. The image displayed on the photo magnification lens is used to adjust magnification and focus to open a dark shutter and start exposure to photo paper. The exposure time and color balance are determined by the dark shutter exposure time of the printer and the three primary color filter, and are determined by the total projection time of the color separation file output from the computer body and the projection time for each color separation file. When the printer is set, the dark shutter is closed and the latent image formed on the photo paper is processed through a negative printing process, and the photo is completed. The method according to claim 2, In the color separation and image output process of the computer main body and the image output unit, additionally separates the additional colors and concentrations other than the three primary colors, and then supports additional exposures to sequentially output additional exposures, thereby providing color density, contrast, A method of enlarging photographic prints of photographic silver-colored photographic and digital photographic printing devices, characterized by increasing the resolution.