JPH08211508A - Photographic printer - Google Patents

Abstract

PURPOSE: To surely and easily record a pattern image on a photographic print without using a lith film. CONSTITUTION: A pattern image printer 15 is arranged on the downstream side of a print mask for printing the main image of a photographic film. In the pattern image printer 15, a matrix type liquid crystal display panel 100 is arranged close to a photographic printing paper 16, and a light source 106 is arranged under the display panel 100. As for the liquid crystal display panel 100, the base is black, characters such as a date and a title, etc., are displayed in a transparent state, then, light from the light source 106 is transmitted through the character parts so as to print on the photographic printing paper 16. Further, a surface heater 102 is attached to the liquid crystal display panel 100, and the liquid crystal display panel 100 is heated up to a prescribed temperature when the temperature is low, then, a good responsiveness to a display switching can be maintained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photographic printing apparatus,
Especially, in the photographic image recorded on the photographic film, characters,
The present invention relates to a photographic printing apparatus capable of printing a pattern image including symbols, figures and the like.

[0002]

2. Description of the Related Art Conventionally, when a pattern image consisting of arbitrary characters, symbols, figures, etc. is printed in a photographic print (as an example, a photo New Year's card with characters in the photographic print, etc.) An arbitrary character pattern is printed on a film or the like, and the pattern image is exposed after the main image of the photographic film is exposed.

[0003]

In this case, there are drawbacks that it takes time and effort to print on a lith film and set on a printer, and it is not possible to easily change characters, symbols and the like.

In order to improve such drawbacks, it has been considered to print characters, symbols and the like displayed on the liquid crystal display plate on photographic paper. However, when the temperature of the liquid crystal display panel becomes low, the response time for switching the display (the time until the display completely switches) becomes slow. Therefore, if exposure is performed at the same timing as when using the lith film, high-speed printer etc. However, there is a concern that the display change of the liquid crystal may not be in time, that is, characters and the like may be exposed in an incomplete display state, and characters and the like may not be printed reliably and clearly.

In consideration of the above facts, the present invention can easily print arbitrary characters, symbols, figures, etc. on a photographic print without previously printing any characters and patterns on the lith film or the like and without setting the lith film or the like. An object of the present invention is to provide a photographic printing apparatus capable of surely and clearly recording a pattern image composed of

[0006]

A photographic printing apparatus according to claim 1 comprises a main image printing means for printing and exposing a photographic image recorded on a photographic film onto a light-sensitive material, and a display of characters, symbols and figures. A display unit configured to display a pattern image formed by an electric signal, a sub-printing unit for printing the pattern image displayed on the display unit on the photosensitive material,
It is characterized in that a heating means for heating the display portion and a control device for sending an electric signal for generating a pattern image to the display portion are provided.

According to a second aspect of the present invention, in the photographic printing apparatus according to the first aspect, temperature detecting means for detecting the temperature of the display section or the vicinity of the display section is provided in the display section or in the vicinity of the display section. Is provided, and the control means controls the heating means based on the temperature detection result of the display unit or the vicinity of the display unit by the temperature detection unit.

According to a third aspect of the present invention, in a photographic printing apparatus, a main image printing means for printing and exposing a photographic image recorded on a photographic film on a photosensitive material, and a pattern image formed by displaying characters, symbols, figures, etc. A sub-printing unit for printing the pattern image displayed on the display unit onto the photosensitive material; a control unit for sending an electric signal for generating a pattern image to the display unit; Temperature detecting means for detecting the temperature of the display part or the vicinity of the display part, temperature of the display part or the vicinity of the display part measured by the temperature detecting means, temperature of the display part or the vicinity of the display part and the display A database showing the relationship between the display switching time of the display section and the display image, and the pattern image displayed on the display section after the display switching of the display section is completed. And control means for controlling the auxiliary baking means as baking the photosensitive material, and comprising the.

According to a fourth aspect of the present invention, in the photographic printing apparatus according to any one of the first to third aspects,
The control device is characterized in that when the pattern image to be printed next is the same as the pattern image previously printed, the previously displayed pattern image is held as it is.

The invention described in claim 5 is the same as claim 1
The photographic printing apparatus according to any one of claims 4 to 4, wherein the display unit is a liquid crystal display plate.

[0011]

According to the photographic printing apparatus of the first aspect, the photographic image recorded on the photographic film is printed on the photosensitive material by the main image printing means.

On the other hand, the sub-printing means displays a pattern image formed by displaying characters, symbols, figures, etc., for example, a title, a date, etc., on the display section, and prints the displayed pattern image on the photosensitive material.

The pattern image may be printed at the same time as the printing of the photographic image by the main image printing unit, or after or before the printing of the photographic image.

When the display unit is of a type in which the response of the display is delayed at low temperature, the response is improved by warming the display unit by the heating means, and the photographic printing apparatus operates at low temperature. It is possible to prevent a decline in ability.

In the photographic printing apparatus according to the second aspect, the temperature detecting means detects the temperature of the display section (or the vicinity of the display section). The control means actuates the heating means when the temperature of the display unit (or the vicinity of the display unit) is less than a predetermined value. That is, the display unit is automatically warmed to improve the responsiveness. The control means may keep the temperature of the display unit (or the vicinity of the display unit) within a predetermined range so that the temperature of the display unit (or the vicinity of the display unit) does not become too high.

In the photographic printing apparatus according to the third aspect, the photographic image recorded on the photographic film is printed on the photosensitive material by the main image printing means.

On the other hand, the sub-printing means displays a pattern image formed by displaying characters, symbols, figures, etc., for example, a title, a date, etc. on the display section and prints the displayed pattern image on the photosensitive material.

The pattern image may be printed at the same time as the printing of the photographic image by the main image printing means, or after or before the printing of the photographic image.

Further, when the display unit is of a type such that the response of the display is delayed when the temperature of the liquid crystal display panel is low,
The control means refers to the temperature of the display unit (or the vicinity of the display unit) and a database showing the relationship between the temperature of the display unit and the switching time of the display of the display unit, and after the switching of the display of the display unit is completed, Bake.

In the photographic printing apparatus according to the fourth aspect, when the pattern image to be printed next is the same as the pattern image to be printed last time, the controller holds the previously displayed pattern image as it is.

Further, in the photographic printing apparatus according to the fifth aspect, the display section is a liquid crystal display plate. Therefore, if the pattern image portion displayed on the liquid crystal display plate is made transparent so that light can pass therethrough, the pattern image can be printed with the light transmitted through the transparent portion. That is, since the liquid crystal display plate is formed thin, it can serve as a lith film. The pattern image portion displayed on the liquid crystal display plate may be made transparent so that light does not pass therethrough.

[0022]

【Example】

[First Embodiment] A first embodiment of the present invention will be described with reference to FIGS.

FIG. 2 shows the internal structure of the printer 10 according to the embodiment. A print mask 14 is arranged at the uppermost position in a printing optical path L of a light beam emitted from a light source 12 which constitutes a main image printing means of the printer 10, and holds a part of a photographic printing paper 16 as a roll-shaped photosensitive material. do it,
It is fixed to the baking position. In addition, this print mask 1
The size of the opening 4 is controlled by a control unit 68, which will be described later, as control means so that the size of the opening varies along the longitudinal direction of the printing paper 16.

Both roll-shaped printing papers 16 are wound around the rotary shafts 18 and 20 in layers, and a pair of roll-shaped printing papers 16 are provided downstream of the print mask 14 via a pattern image printing device 15 as a sub-printing means. The transport roller 22 of is installed. The conveyance roller 22 holds the photographic printing paper 16 and holds the motor 2
It is rotated in the direction of arrow A in FIG. As a result, the photographic printing paper is pulled out from the outer periphery of the one layered winding section (the left layered winding section in FIG. 2) and is wound around the other rotary shaft 20.

Unwinding rotary shaft 18 and print mask 1
The printing paper 16 between 4 and 4 is wound around the tension roller 26. Further, a tension roller 28 is also arranged on the downstream side of the transport roller 22, and the photographic printing paper 16 is wound around the tension roller 28. These tension rollers 26, 28 are movable in the direction perpendicular to their axes, and maintain a constant tension when the printing paper is conveyed.

The photographic paper 16 has a photosensitive surface on the lower side. A negative carrier 30 is provided on the printing optical path L below the print mask 14, and holds a part of a long photographic film 31 and fixes it at a predetermined position. Both of the photographic film 31 are wound in layers on the rotary shafts 32 and 34, and a pair of transport rollers 36 is installed on the downstream side of the negative carrier 30.
Holds 1 The transport roller 36 is rotated in the direction of arrow B in FIG. 2 by the driving force of the motor 38, pulls out the photographic film 31 from the outer periphery of one layered winding portion (the left winding portion in FIG. 2), and rotates the other rotation shaft. It is configured to be wound around 34.

Unwinding rotary shaft 32 and negative carrier 30
The photographic film 31 between and is wound around the tension roller 40. Further, a tension roller 42 is also provided on the downstream side of the transport roller 36, and the photographic film 3
1 is wrapped around. These tension rollers 4
Nos. 0 and 42 are movable in the direction perpendicular to the axis of the photographic film 31 so that the tension during conveyance of the photographic film 31 is kept constant.

A magnetic head 44 is arranged between the tension roller 40 and the negative carrier 30. Therefore, the photographic film 31 passes through the magnetic head 44 and reaches the negative carrier 30.

The magnetic head 44 is used in the photographic film 31.
When a magnetic recording layer is provided on the disk, it is used to read the data recorded on the magnetic recording layer. A film provided with such a magnetic recording layer is described in Japanese Patent Publication No.
There is a film disclosed in 502518. The magnetic head 44 is connected to the control unit 68, and the read data is sent to the control unit 68. The control unit 68 includes a CPU, ROM, RAM and the like.

In this magnetic recording layer, for example, when a camera capable of recording photographing information is used, top-bottom data, print size (aspect ratio such as L size, panorama size, powerful wide size) data, characters (date , Time, title, etc.) data and the like are recorded.

Further, an LSI card reader 47 is connected to the control unit 68 and can read the data of the LSI card 49. In this LSI card 49,
In the film verification step, which is a pre-printing step, the exposure correction data, pattern image data, top-bottom data, etc. of the frame to be printed are written.

A printing lens 46 and a black shutter 48 are arranged between the negative carrier 30 and the print mask 14. The black shutter 48 can be inserted into or removed from the optical path L according to a drive signal from the driver 50.

Further, the lens 46 is movable along the optical path L according to the drive signal from the driver 52, so that the enlargement magnification can be changed.

Between the negative carrier 30 and the light source 12,
Cut filters 54, 56, and 58 for each color of C (cyan), M (magenta), and Y (yellow) are arranged.
These cut filters 54, 56 and 58 are designed to be inserted into or removed from the optical path L according to signals from the drivers 60, 62 and 64, respectively.

A light receiver 66 is disposed diagonally above the negative carrier 30. The light receiver 66 is the negative carrier 30.
The density information of the image photographed on the photographic film 31 positioned at is detected, and the detected value is supplied to the control unit 68. In the control unit 68, the exposure correction amount is calculated based on this density information, the reference exposure amount is corrected based on the calculation result, and the black shutter 48 and the cut filter 5 are corrected according to the corrected exposure amount.
4, 56, 58 are controlled.

Next, the pattern image printing device 15 will be described in detail. As shown in FIGS. 1 and 2, the pattern image printing device 15 is provided below the conveyance path of the printing paper 16.

As shown in FIG. 1, in the upper part of the box 15A of the pattern image printing device 15, a liquid crystal display plate (so-called LC) as a display unit is provided in the vicinity of the conveyance path of the printing paper 16.
D) 100 is provided, and the display portion 100A faces the vicinity of the widthwise end portion of the photographic printing paper 16. As shown in FIG. 3, the display portion 100A of the liquid crystal display panel 100 is a matrix type that can freely display a pattern image formed by displaying characters, symbols, figures, and the like.
It has a long shape along the transport direction of 6 (direction of arrow R).

As shown in FIG. 1, on the liquid crystal display panel 100, a sheet heater 102 as a heating means is attached in close contact with the surface opposite to the photographic paper 16 side. The planar heater 102 is connected to the control unit 68 and heats the liquid crystal display panel 100 by passing an electric current. The liquid crystal display panel 100 and the planar heater 102 may be slightly separated.

The planar heater 102 includes a liquid crystal display panel 10.
A temperature sensor 104 as a temperature detecting means for measuring the temperature of the planar heater 102 is attached to the surface opposite to 0. As shown in FIG. 4, the temperature sensor 104 is connected to the control unit 68 via the converter 105, which allows the control unit 68 to control the temperature of the planar heater 102. A small thermistor is used as the temperature sensor 104 of this embodiment.

As shown in FIG. 3, the planar heater 102 is provided with a long hole 102A at a portion facing the display portion 100A of the liquid crystal display panel 100.

As shown in FIG. 1, a light source 106 is provided below the planar heater 102. Light source 106
Is a plano-convex lens 1 arranged below the liquid crystal display panel 100.
40, and the RGB LED 138 is provided at the focal position on the lower optical axis of the plano-convex lens 140. As shown in FIG. 5, the RGB LED 138 emits red light.
One ED138R and one green LED 138G
This is a combination of two LEDs 138B that emit blue light, and white light can be obtained by lighting all of them. Further, it is possible to emit light in an arbitrary color by changing the emission intensity of each.

The RGB / LED 138 is used as a point light source. As shown in FIG. 1, the RGB / LED 138 is used.
The emitted light is converted into parallel rays by the plano-convex lens 140, and is applied to the printing paper 16 via the liquid crystal display plate 100. Since the parallel rays are applied to the photographic paper 16 via the liquid crystal display plate 100, the pattern image displayed on the liquid crystal display plate 100 can be displayed on the photographic paper 16 without bleeding.

RGB / LED of the liquid crystal display board 100
A diffusing plate or the like for making the light uniform may be arranged on the 138 side.

The liquid crystal display panel 100 includes a driver, a memory,
Control unit 6 including a character generator (not shown)
8 is connected. Characters, symbols, figures, etc. in dot patterns are stored in the character generator,
These are selected according to the input character data and sent to the memory. The character generator includes photographic film 31
The predetermined character data in the data read from the magnetic recording layer, the data of the LSI card 49 read by the LSI card reader 47, or the data input by the keyboard (not shown) connected to the control unit 68 is input. It has become.

Next, the operation of this embodiment will be described. When the photographic film 31 is conveyed, the data corresponding to the image frame is read from the magnetic recording layer by the magnetic head 44, and the image frame is set at a predetermined position of the negative carrier 30. If there is no magnetic recording layer, the LSI card 49
Data or data input by the keyboard is used, input to the control unit 68, and stored in the internal memory.

When the image frame is set at a predetermined position on the negative carrier 30, the print mask 14 and the lens 46 are changed based on the print size data.

Further, the density information of the image of the photographic film 31 on which the light receiver 66 is positioned is detected, and the control unit 68
Calculates the exposure correction amount, and the black shutter 48 and the cut filters 54, 56, 58 are controlled based on the calculation result, and the image of the photographic film 31 is printed on the photographic paper 16 (see FIG. 6).

After that, the photographic printing paper 16 is conveyed by a predetermined amount, and the printed portion of the image faces the pattern image printing apparatus 15.

In the pattern image printing device 15, predetermined character data of the input data, for example, character data relating to the title and date is input to the character generator. The character generator selects characters according to the character data and sends them to the memory sequentially.

When the title and date characters are stored in the memory, the title and date are displayed on the display portion 100A of the liquid crystal display panel 100. In this embodiment, the liquid crystal display panel 1
The display character portion of the display portion 100A of 00 is transparent, and the others are black so that light does not pass therethrough.

After the pattern image is displayed on the liquid crystal display panel 100, the RGB LED 138 is turned on for a predetermined time.
The light emitted from the RGB LED 138 passes through the display portion 100A of the liquid crystal display board 100 and prints characters on the photographic paper 16.

When the printing is completed, the photographic film 31
Is transported for one frame and the next image frame is the negative carrier 30.
And the printing paper 16 is conveyed by a predetermined amount, and thereafter, the image of the photographic film 31 and the characters displayed on the liquid crystal display plate 100 are printed in the same manner.

As described above, the printer 10 of this embodiment is provided with the liquid crystal display panel 100 capable of freely displaying arbitrary characters and exposes the display contents thereof. It is possible to easily record arbitrary characters on a photographic print without printing arbitrary characters and patterns on the, and without setting a lith film or the like. Further, the liquid crystal display panel 100 enables quick and easy change, correction, addition, etc. of characters.

Further, the liquid crystal display panel 100 has a low response speed (display switching speed) when the temperature is low (for example, the time from when a signal is sent to when the display is completely switched is 0 ° C.). It takes about 1 sec at time and about 100 msec at 25 ° C). Therefore, the temperature of the liquid crystal display panel 100 is controlled by the planar heater 102 before the first baking process.
When the temperature of the liquid crystal display plate 100 is lower than a predetermined temperature, the temperature is measured indirectly by the temperature sensor 104 attached to the sheet heater 102 and the sheet heater 102 is energized to heat the liquid crystal display plate 100.

In this embodiment, the control of the sheet heater 102 is rule-based on / off control. Rule (1) and rule (2) are stored in the control unit 68 in advance. In the rule (1), when the temperature of the mounting portion of the temperature sensor 104 is 30 ° C. or lower, the sheet heater 10 is used.
2 is energized, and in rule (2), energization of the planar heater 102 is stopped when the temperature is 35 ° C. or higher. Sheet heater 10
Relationship between the temperature T _H of the mounting portion of the second output H and temperature sensor 104, for example, as shown in FIG. 7, the temperature of the planar heater 102, i.e., such that the temperature of the liquid crystal display panel 100 is fit in a predetermined range become. As a result, the response of the liquid crystal display plate 100 is kept good, and the relationship between the conveyance of the photographic paper 16 by a predetermined amount, the change of the display of the liquid crystal display plate 100, and the exposure of the displayed characters is shown in FIG. When the processing is performed in the state where the temperature of the liquid crystal display panel 100 is low without the heater 102, the response of the liquid crystal display panel 100 is delayed as shown in FIG. 9, and the photographic printing paper 1 is exposed by performing the exposure in the incomplete display state.
The character quality of 6 may be deteriorated.

It should be noted that the above temperature is an example, and it is needless to say that it is appropriately changed depending on various conditions (size of the liquid crystal display panel 100, kind of liquid crystal, etc.).

Further, in the present embodiment, an example in which characters are printed is shown, but it goes without saying that symbols, figures and the like may be displayed on the liquid crystal display panel 100 and these may be printed. [Second Embodiment] A second embodiment of the present invention will be described with reference to FIGS.
Follow the instructions below. The same components as those in the above-described embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 10, in the present embodiment, the temperature sensor 108 as the temperature detecting means for measuring the temperature of the liquid crystal display plate 100 itself has the display portion 1 of the liquid crystal display plate 100.
It is attached to the lower surface near 00A.

In this embodiment, the control unit 68 measures the temperature of the liquid crystal display panel 100 and the temperature of the planar heater 102 to control the planar heater 102 to be turned on / off.

Rule (1), rule (2) and rule (3) are stored in the control unit 68 in advance. In rule (1), the temperature of the portion of the liquid crystal display panel 100 where the temperature sensor 108 is attached is 28 °. When the temperature is equal to or higher than C, power supply to the planar heater 102 is stopped, and according to the rule (2), the liquid crystal display panel
The temperature of the mounting part of the temperature sensor 108 of 00 is 25
Temperature sensor 104 of ° C or less and planar heater 102
When the temperature of the mounting portion of the sheet heater is 30 ° C. or lower, the sheet heater 102 is energized.
The temperature of the mounting part of the temperature sensor 104 of 02 is 35
When the temperature is above ° C, the power supply to the sheet heater 102 is stopped.

Output H of the planar heater 102, temperature T _H of the mounting portion of the temperature sensor 104, temperature sensor 10
The relationship with the temperature T _F of the mounting portion of FIG.
As shown in FIG. 14, the temperature of the liquid crystal display panel 100 can be kept within a predetermined range regardless of the season (room temperature). [Third Embodiment] A third embodiment of the present invention will be described with reference to FIG. The same components as those in the above-described embodiment are designated by the same reference numerals and the description thereof will be omitted.

In the above-described embodiment, the liquid crystal display plate 100 is brought close to the printing paper 16 so that the characters and the like displayed on the liquid crystal display plate 100 are printed.
As shown in FIG. 5, characters or the like displayed on the liquid crystal display panel 100 are projected by the lens 190 and printed on the photographic printing paper 16.

In this embodiment, since the printing of characters and the like is performed by the projection method, the characters and the like displayed on the large liquid crystal display panel 100 can be reduced and printed, and even small characters can be easily printed. On the contrary, it is also possible to enlarge and print the characters and the like displayed on the small liquid crystal display panel 100.

Further, since the projection system is used, characters and the like can be clearly printed without bleeding. [Fourth Embodiment] A fourth embodiment of the present invention will be described with reference to FIG. The same components as those in the above-described embodiment are designated by the same reference numerals and the description thereof will be omitted.

In the above-described embodiment, the photographic printing paper 16 is conveyed after printing the negative image, and the characters and the like displayed on the liquid crystal display panel 100 are printed. However, in the present embodiment, the printing of the negative image is performed. At the same time, the characters etc. are printed.

As shown in FIG. 16, in the pattern image printing device 15 of this embodiment, the printing lens 46 of the printing paper 16 is used.
On the side, there is provided an elongated light shielding plate 200 for shielding a part of the light of the negative image to form a white band in a predetermined width, for example, on the lower end side of the finished print.

The light shielding plate 200 is 45
The surface of the photographic paper 16 side is a reflecting mirror 200A.
Has become.

On the side of the shading plate 200 is a self-focusing lens array (a plate in which minute cylindrical lenses are arranged in a matrix form, which is set up at 90 degrees with respect to the photographic paper 16; The subject can be projected on the opposite side in a one-to-one size.) 202 is provided.

In the self-focusing lens array 202, the liquid crystal display plate 1 is provided on the side opposite to the light-shielding plate 200 side.
00 are closely attached to each other,
The light source 106 is arranged on the side opposite to the side of the focusing lens array 202.

In this embodiment, the characters and the like displayed on the liquid crystal display panel 100 are printed on the photographic paper 16 through the self-focusing lens array 202 and the reflecting mirror 200A of the light shielding plate 200. Therefore, for example, a white band having a predetermined width is provided on the lower side of the finished print, and characters and the like are recorded there.

The pattern image printing device 15 can be moved in the width direction W of the photographic paper 16 by a driving device (not shown), and when characters or the like are not printed,
It can be moved in a direction away from the photographic paper 16 so as not to block the light of the negative image applied to the photographic paper 16. Although not shown, the pattern image printing device 15 is also provided on the opposite side in the width direction of the printing paper 16, and when the negative image to be printed is upside down, the pattern image printing device 15 on the opposite side (not shown) is provided. Can be used. Note that, in FIG. 16, the conveyance direction of the photographic printing paper 16 is the front-back direction of the paper surface. [Fifth Embodiment] A fifth embodiment of the present invention will be described with reference to FIG. The same components as those in the above-described embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 17, in the pattern image printing apparatus 15 of the present embodiment, the liquid crystal display plate 100 is parallel to the printing paper 16 so that it faces the vicinity of the widthwise end of the printing paper 16. The print mask 14 is provided at the opening.

The pattern image printing apparatus 1 of this embodiment is used.
5 is also movable in the width direction W of the photographic paper 16 by a drive device (not shown). When characters or the like are not burned, the photographic paper 5 is moved in a direction away from the photographic paper 16 to form the photographic paper 16. It is possible not to block the light of the emitted negative image. Although not shown, the pattern image printing device 15 is also provided on the opposite side of the printing paper 16. When the negative image to be printed is upside down, the pattern image printing device 15 on the opposite side (not shown) is used. can do.

The pattern image printing device 15 may be provided on each side of the photographic printing paper 16 in the width direction, or may be provided on either one.

If the pattern image printing device 15 can be moved in the width direction of the printing paper 16 by the driving means, one pattern image printing device 15 can print the pattern image on either the lower side or the upper side of the horizontally long print. Can be burned.

When the pattern image printing device 15 is provided on both sides of the photographic paper 16 in the width direction, and when the pattern image printing device 15 is movable in the width direction of the photographic paper 16 by the driving means, the top and bottom of the image are printed. By using the data, the pattern image can be aligned and printed on the lower side or the upper side of the horizontally long print.

Further, by providing the pattern image printing device 15 in which the longitudinal direction of the liquid crystal display board 100 is the width direction of the printing paper 16, the pattern image can be printed on the lower side or the upper side of the vertically long print. In this case, as the input data, data indicating the portrait orientation and the landscape orientation at the time of printing (in the case of a camera capable of inputting the camera attitude data at the time of shooting, the data is recorded in the magnetic recording layer. The vertical and horizontal data are sometimes recorded in the LSI card 49.), so that the pattern image can be automatically printed on the lower side or the upper side of the vertically long print.

If the data to be input includes position data for printing the pattern image, for example, data indicating the right side, the left side, the center, and data indicating the print size (L size, panoramic size, powerful wide size, etc.). Even if print sizes are mixed, the pattern image can be aligned and printed at the position.

Further, in order to make the pattern image easy to see, it is also possible to print the pattern image on the lowest density portion of the printed main image. In this case, a plurality of pattern image printing candidate areas are set in advance in the main image printing area of the photographic printing paper 16 (for example, upper side, lower side, upper right side, upper left side, lower right side of print, (Lower left side, etc.), detecting the density of the image portion of the photographic film 31 corresponding to each candidate area with a color image area sensor,
The position data corresponding to the portion with the lowest density in the main image when printed is input to the control unit 68, and the liquid crystal display panel 100 displays the portion with the lowest density in the main image when printed. The pattern image is displayed on the corresponding part. [Sixth Embodiment] A sixth embodiment of the present invention will be described with reference to FIG. The same components as those in the above embodiment are designated by the same reference numerals and the description thereof will be omitted.

In this embodiment, although not shown in the drawings, the planar heater 102 and the temperature sensor 10 of the liquid crystal display panel 100 are shown.
4 is omitted, and only the temperature sensor 108 is attached to the liquid crystal display panel 100.

On the other hand, the control unit 68 of this embodiment stores in advance the relationship between the temperature of the liquid crystal display panel 100 and the response time (the time until the display is completely switched over by inputting a predetermined signal). Therefore, the temperature of the liquid crystal display panel 100 is constantly monitored, and after the display is completely switched,
The letters such as “” are exposed. Therefore, even when the temperature of the liquid crystal display panel 100 is low, it is possible to reliably expose the characters and the like. Here, the relationship between the conveyance of the photographic printing paper 16, the change of the display on the liquid crystal display board 100, and the exposure of the characters on the liquid crystal display board 100 is as shown in FIG. 18, for example.

In this embodiment, the sheet heater 102 is used.
Although the temperature sensor 104 is omitted, the planar heater 10
It is also possible to combine the above-mentioned respective embodiments using the two and the temperature sensor 104. In this case, the liquid crystal display panel 100
It is possible to reliably perform exposure of characters and the like even before the sheet is heated to a predetermined temperature by the sheet heater 102.

In the first to fifth embodiments, the planar heater 102 is attached to the liquid crystal display plate 100 in order to warm the liquid crystal display plate 100. However, as shown in FIG. May be attached to the inner wall surface of the box 15A of the pattern image printing device 15 to raise the internal atmospheric temperature to indirectly heat the liquid crystal display panel 100.

As a heating means for warming the liquid crystal display panel 100, it goes without saying that a heater of a type other than the planar heater 102 (for example, a nichrome wire type heater) may be used, and a current is applied to the enamel resistance. It can also be run as a heater. Further, exhaust heat (warm air) or dry air after it has been used for cooling a heat source (for example, various drive motors) inside the device can also be used by being guided by a duct or the like.

In the above embodiment, the temperature sensor 10
Although a thermistor is used for 8, a platinum resistance temperature detector, a thermocouple, or the like may be used. Further, control can be simplified by using a thermostat such as a small bimetal.

Further, in the above-mentioned embodiment, the control is the rule-based on / off control, but the time proportional PID control, P
Other control methods such as ID control, cascade control (when there are two temperature sensors), fuzzy control, etc. may be used.

The liquid crystal display panel 100 may be of a type other than the matrix type as long as it can display characters, for example, a segment type.

Further, the liquid crystal display panel 100 may be one in which dots are arranged in a line. In this case, the longitudinal direction of the liquid crystal display board 100 is oriented in a direction intersecting the conveyance direction of the photographic paper 16, and the pattern image of the dot pattern is main-scanned by the liquid crystal display board 100 to convey the photographic paper 16 at a predetermined speed. Then, by sub-scanning, it is possible to print on the photographic printing paper 16.

In the above embodiment, the pattern image is printed from the photosensitive surface side of the printing paper 36. However, if the base of the printing paper 16 transmits light, the pattern image printing device 15 is set on the base side. It is also possible to print the pattern image from the side opposite to the photosensitive surface.

In the above embodiment, the RGB LED 138 is used as the light source for exposure, but the RGB LED 1
Instead of 38, other light emitting means such as strobe light and EL may be used.

In the above embodiment, the present invention is applied to a so-called large lab printer, but the present invention can also be applied to a printer processor of a mini lab or the like.

Further, in the above-mentioned embodiment, the liquid crystal display plate is used as the display portion, but if the pattern image constituted by the display of characters, symbols, figures, etc. is displayed by an electric signal, a device other than the liquid crystal display plate is used. You may use.

If the next pattern image displayed on the liquid crystal display panel 100 is the same as the previous one, the previous display is held unchanged. As a result, the pattern image can be printed without waiting for the display change of the liquid crystal display panel 100. Therefore, when the same display (date, etc.) often continues, it is possible to suppress a decrease in operating capacity. Further, in this case, it is possible to further shorten the transportation time of the photographic printing paper 16.

[0094]

In the photographic printing apparatus according to the first aspect of the present invention, since characters, symbols, figures and the like can be freely displayed on the display unit, arbitrary characters and patterns can be printed on the lith film or the lith film can be set. It has an excellent effect that a pattern image can be easily printed on a photosensitive material without requiring such troublesome work. Further, by warming the display section by the heating means at low temperature, good display responsiveness can be maintained, and a decrease in operating capability of the photoprinting apparatus at low temperature can be prevented. The effect is particularly great in high-speed photo printing devices (printers).

In the photographic printing apparatus according to the second aspect of the present invention, the heating means can be automatically controlled without manual labor, so that no labor is required.

In the photographic printing apparatus according to the third aspect, since characters, symbols, figures, etc. can be freely displayed on the display unit, it is possible to print arbitrary characters and patterns on the lith film or set the lith film or the like. It has an excellent effect that a pattern image can be easily printed on a light-sensitive material without requiring troublesome work. Further, even if the display unit is of a type such that the response of the display becomes slow when the temperature is low, since the printing is performed after the switching of the characters, symbols, figures, etc. displayed on the display unit is completed, the pattern image to be printed is not printed. Quality is guaranteed.

In the photographic printing apparatus according to the fourth aspect, when the pattern image to be printed next is the same as the pattern image previously printed, the previously displayed pattern image is held as it is, so the same pattern image continues. In this case, it is possible to proceed with the processing without having to worry about the image switching time, and it is possible to suppress a decrease in the operating capability of the photo printing apparatus, which is an excellent effect.

Further, in the photographic printing apparatus according to the fifth aspect, since the display portion is the liquid crystal display plate, the sub-printing means can be formed thin. Since the liquid crystal display panel generally tends to have a poor response at low temperatures, the effect of warming the liquid crystal display panel by the heating means is most effective. Further, since the liquid crystal display panel is thin, the present invention can be applied to the conventional machine using the lith film without major design changes.

[Brief description of drawings]

FIG. 1 is a side view of a pattern image printing apparatus of a printer according to a first embodiment of the present invention.

FIG. 2 is a schematic diagram of a printer according to a first embodiment of the present invention.

FIG. 3 is a plan view of a liquid crystal display panel and a sheet heater seen from the plano-convex lens side.

FIG. 4 is a block diagram of a control system for a liquid crystal display panel and a sheet heater.

FIG. 5 is a perspective view of RGB LED.

FIG. 6 is an explanatory diagram illustrating printing of characters and the like.

FIG. 7 is a time chart showing the relationship between heater temperature and heater output.

FIG. 8 is a time chart showing the relationship between the conveyance of printing paper, the display change of the liquid crystal display plate, and the exposure of characters and the like according to the present embodiment.

FIG. 9 is a time chart showing the relationship between the conveyance of photographic paper, the display change of the liquid crystal display plate, and the exposure of characters and the like when the liquid crystal display plate is not heated.

FIG. 10 is a block diagram of a control system for a liquid crystal display panel and a planar heater according to a second embodiment.

FIG. 11 is a time chart illustrating an example of control in winter.

FIG. 12 is a time chart illustrating an example of control in summer.

FIG. 13 is a time chart illustrating an example of another control in the summer.

FIG. 14 is a time chart illustrating an example of another control in spring and autumn.

FIG. 15 is a side view of the pattern image printing apparatus of the printer according to the third embodiment of the present invention.

FIG. 16 is a perspective view of a pattern image printing device of a printer according to a fourth embodiment of the present invention.

FIG. 17 is a perspective view of a pattern image printing device of a printer according to a fifth embodiment of the present invention.

FIG. 18 is a time chart illustrating the control of the sixth embodiment of the present invention.

FIG. 19 is a side view of a pattern image printing apparatus according to another embodiment of the present invention.

[Explanation of symbols]

 10 Printer (Photo Printing Device) 12 Light Source (Main Image Printing Device) 15 Pattern Image Printing Device (Sub Printing Device) 16 Photographic Paper (Photosensitive Material) 31 Photographic Film 68 Control Unit (Control Device) 100 Display Unit (Liquid Crystal Display Board) 102 planar heater (heating means) 104 temperature sensor (temperature detection means) 108 temperature sensor (temperature detection means)

Claims (5)

[Claims] 1. A main image printing means for printing and exposing a photographic image recorded on a photographic film onto a light-sensitive material, and a display section for displaying a pattern image constituted by displaying characters, symbols, figures, etc. by an electric signal. A sub-baking unit that prints the pattern image displayed on the display unit onto the photosensitive material; a heating unit that heats the display unit; and a control device that sends an electric signal for generating a pattern image to the display unit, A photo printing apparatus characterized by being equipped with. 2. The display unit or in the vicinity of the display unit,
Temperature detecting means for detecting the temperature of the display section or the vicinity of the display section is provided, and the control means controls the heating means based on a result of temperature detection of the display section or the vicinity of the display section by the temperature detecting means. The photographic printing apparatus according to claim 1, wherein: 3. A main image printing means for printing and exposing a photographic image recorded on a photographic film onto a light-sensitive material, and a display section for displaying a pattern image formed by displaying characters, symbols, figures, etc. by an electric signal. A sub-printing unit that prints the pattern image displayed on the display unit onto the photosensitive material; a controller that sends an electric signal for generating a pattern image to the display unit; and a temperature near the display unit or the display unit. Temperature detection means for detecting the temperature, the temperature of the display unit or the vicinity of the display unit measured by the temperature detection unit, the relationship between the display unit or the temperature near the display unit and the display switching time of the display unit And a database indicating that the pattern image displayed on the display unit is printed on the photosensitive material after the switching of the display on the display unit is completed. And control means for controlling the sub-baking unit, a photographic printing apparatus comprising the. 4. The control device holds the previously displayed pattern image as it is when the pattern image to be printed next is the same as the pattern image to be printed last time. The photographic printing apparatus according to any one of 3 above. 5. The photographic printing apparatus according to claim 1, wherein the display unit is a liquid crystal display plate.