JPH04101562U - exposure equipment - Google Patents

Abstract

(57) [Summary] [Purpose] To provide an exposure device that does not require a lens and can shorten the optical path length between the light source and the optical shutter, thereby making it possible to realize an inexpensive and compact recording device. . [Structure] The light passing through the slit 51 is absorbed by the inner wall surface of each opening except for the light irradiated perpendicularly to the LCD 6, and the light irradiated to the outside of the slit 51 is blocked by the light shielding plate 52 and does not reach the LCD 6. Since the LCD 6 is not irradiated with light, only vertical light is irradiated onto the LCD 6.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to an exposure apparatus.

0002

[Conventional technology]

Conventionally, a light source and a light shutter that displays the image to be recorded are provided, and the light from the light source is An exposure device configured to record an image on a light shutter onto a photosensitive medium has been proposed. .

0003 An example of this type of exposure apparatus will be explained with reference to FIG. This exposure device has a light source 10. 3. Consisting of a reflector 102, a lens 104, and a light shutter 106, the light source 10 The light from the lens 104 becomes a substantially parallel beam of light and is irradiated onto the optical shutter 106. It will be done. The image corresponding to each cell of the optical shutter 106 is displayed below the optical shutter 106. The photosensitive recording medium 107 placed on the side is exposed to light.

0004

[Problem that the idea aims to solve]

However, in the exposure equipment described above, the image information on the optical shutter is not sensed. In order to copy onto an optical medium, the light beam projected onto the optical shutter must be in a state close to parallel light. Therefore, a lens is required, and the optical path between the lens and the optical shutter is I needed to make it longer. For this reason, recording devices using exposure devices are expensive and large. It had become

[0005] This invention was made to solve the above-mentioned problems, and does not require a lens. It is possible to shorten the optical path length between the light source and the optical shutter without having to The aim is to provide an exposure device that makes it possible to realize a compact and inexpensive recording device. There is.

[0006]

[Means to solve the problem] To achieve this purpose, the exposure apparatus of the present invention is installed between the light source and the optical shutter. The light from the light source is cut off except for the light that is irradiated perpendicularly to the light shutter surface. It is equipped with a light cutting means.

[0007]

[Effect]

In the exposure apparatus of the present invention having the above configuration, the light cutting means cuts the light from the light source. Among them, those other than those that are irradiated perpendicularly to the light shutter surface are cut. Therefore, the light shuts off. Only vertical light is illuminated on the surface.

[0008]

【Example】

Hereinafter, embodiments embodying the present invention will be described with reference to the drawings.

[0009] FIG. 2 is a schematic diagram of a liquid crystal printer 1 to which the exposure apparatus of the present invention is applied.

0010 This liquid crystal printer 1 uses microcapsule paper 7, which will be described later, which is light and pressure sensitive paper. A photosensitive recording medium consisting of color developer paper 8 is used.

[0011] The surface of the support of the microcapsule paper 7 used in this example has micro Capsules are coated, and inside the microcapsules there is a dye that reacts with the color developer. Precursors and the like are included. A color developer is applied to the surface of the support of color developer paper 8. Color is developed by reacting with a dye precursor, details of which are described in U.S. Patent No. 4,399,209. It is stated in the specification etc. of the issue, and will be omitted here.

0012 A halogen lamp 3 is used as the exposure light source, and a reflector 2 is placed above it. It is located. Below the halogen lamp 3 are color filters 22R, 22G, 2. A filter unit 22 consisting of 2B and an LCD 6 are provided. Also in Figure 1 As shown, a light cutting device is installed between the halogen lamp 3 and the filter unit 22. 50 are provided. The light cutting device 50 is a slit having many honeycomb-shaped openings. It is formed from a light shielding plate 52 that is integrally formed with the cut 51 and the slit 51. Each opening of the slit 51 extends in a direction perpendicular to the LCD 6. Also, each opening The inner wall surface is made of an absorbing material that absorbs light. And reflector 2 and halogen The lamp 3 and the light cutting device 50 are moved in the direction of the arrow by a driving means (not shown). be moved.

[0013] Inside the light-shielding cartridge 18, an unexposed microphone is mounted on the cartridge shaft 15. The capsule paper 7 is contained in a rolled state. and the right side of cartridge 18 A feed roller 19 is disposed on the screen, and this feed roller 19 moves the LCD from six directions. The microcapsule paper 7 is exposed to light while remaining stationary below the LCD 6. A latent image is formed. Furthermore, the microcapsule paper 7 is pressed by a pair of pressure rollers 11a, 11b and is wound up on the winding shaft 16.

[0014] A half-moon roller 9 is arranged above the color developer paper 8, and a paper feed roller 10 and a paper feed roller are provided on the left side. A guide 17 is provided. Further, a heat fixing device 12 is provided below the color developer paper 8. A heater 13 and a conveyor belt 14 are disposed at the bottom thereof.

[0015] Next, the operation of the liquid crystal printer 1 will be explained.

[0016] First, when the print start key (not shown) is pressed, the external An image corresponding to the image signal input from is displayed. Next, the light source, halogenated lamp 3 is turned on, the light from halogen lamp 3 is reflected by reflector 2, and the light is cut. The light passes through the device 50 and the red filter 22R and is irradiated onto the LCD 6. At this time, the light is cut off. In the display device 50, the light passing through the slit 51 is perpendicularly irradiated onto the LCD 6. Everything other than light is absorbed by the inner wall surface of each opening, and the light irradiated to the outside of the slit 51 is Since the light is blocked by the light shielding plate 52 and is not irradiated to the LCD 6, there is no light in the vertical direction on the LCD 6. Only light is emitted. Then, the reflector 2 and the halogen lamp are connected to each other by a drive device (not shown). The amplifier 3 and the light cutting device 50 are moved integrally in the direction of arrow A, but remain stationary. The microcapsule paper 7 is displayed on an LCD that is controlled according to the red signal of the image to be recorded. It is exposed to the light selected in step 6.

[0017] When the red exposure is completed, the red filter 22R is replaced with the green filter 22G. Then, the red signal of the LCD 6 is switched to a green signal and exposed in the same manner. in blue The same applies to the third exposure, and the halogen lamp 3 is turned off after three exposures are completed. In this way, a color latent image is formed on the microcapsule paper 7. Next, the microcap The cell paper 7 is moved to the pressure roller 11 by the driving force of the take-up roller 16 and the feed roller 19. Sent in directions a and b.

[0018] On the other hand, the developer paper 8 is fed one by one by a half-moon roller 9 and passed through a paper feed guide 17. The paper is then fed by the paper feed roller 10 to the pressure rollers 11a and 11b. microcapsule Pressure rollers 11a and 11b are pressed in a state in which the exposed surface of paper 7 and the developer-coated surface of color developer paper 8 face each other. The image is transferred to the developer paper 8. Furthermore, the color developer paper 8 is transported by a conveyor belt. 14, color development is promoted by a heat fixing device 12 having a heater 13. and output as an image.

[0019] As is clear from the detailed description above, in the liquid crystal printer 1 of this embodiment, , the light cut device 50 irradiates the light from the halogen lamp 3 vertically onto the LCD 6 surface. Cut anything other than what is required. Therefore, the LCD 6 is illuminated with only vertical light. Therefore, the optical path length between the halogen lamp 3 and the LCD 6 is shortened without requiring a lens. This results in an inexpensive and compact device.

[0020] It should be noted that the present invention is not limited to the above-mentioned embodiments, and may be modified without departing from its spirit. It is possible to change the range.

[0021]

[Effect of the idea]

As is clear from the detailed description above, the exposure apparatus of the present invention has a The shutter means cuts the light from the light source other than that which is irradiated perpendicularly to the light shutter surface. do. Therefore, only perpendicular light is irradiated onto the optical shutter surface, so a lens is not required. The optical path length between the light source and the optical shutter can be shortened without having to A compact recording device can be realized.

[Brief explanation of drawings]

FIG. 1 is a perspective view of the vicinity of a light cutting device.

FIG. 2 is a schematic configuration diagram of a liquid crystal printer.

FIG. 3 is a configuration diagram of a conventional exposure apparatus.

[Explanation of symbols]

3 Halogen lamp 6 LCD 7 Microcapsule paper 50 Light cut device

Claims (1)

[Scope of utility model registration request] 1. An exposure apparatus comprising a light source and a light shutter for displaying an image to be recorded, and recording an image on the light shutter on a photosensitive medium using light from the light source, wherein the light source and the light shutter 1. An exposure apparatus characterized by comprising a light cutting means provided between the light source and the light source for cutting off light from the light source other than that which is irradiated perpendicularly to the light shutter surface.