JPS5826010B2 - Reader Aluiha Reader Printer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a reader or reader printer.

In a reader or reader printer using ordinary microfilm, a positive image (positive image) appears on the screen for positive film, and a negative image (negative image) for negative film.

For general use, it is easier to read if a positive image with black lines on a white background is displayed on the screen, but since originals are usually photographed using negative film, a negative image is recorded on the film. Therefore, in order to obtain a positive image, the negative image is reverse printed to create a print with a positive image, and this print is then observed.

This method has the disadvantage of requiring the labor of producing positive image prints from negative film.

Furthermore, depending on the purpose of use, it may be desirable to observe a negative image.

There are also negative films with negative images and positive films with positive images, but when using positive film, in order to observe the negative image, you have to replace it with negative film, which is very inconvenient. Met.

In view of this point, the present invention enables images of the same or opposite sex to be freely and selectively observed or printed from the same original film, and is characterized by an information storage medium containing an electrochromic substance. is used as a projection screen, and by appropriately selecting the voltage applied to the screen, it is possible to freely and selectively observe images of the same or opposite sex of the original film.

Further, the present invention records an image of an original film on an information storage body having an electrochromic substance, and appropriately selects an image from the original film or an image from the information storage body as the projected image on the projection surface. This allows images of positive, negative, same-sex or opposite-sex individuals to be freely and selectively observed or printed.

The electrochromic substance used in the present invention develops color when electricity is applied, and is reversibly colored and faded by electricity of the opposite polarity to that of the electricity application, heating, or a combination of both, and is a phenomenon that depends on electrical polarity (electrochromic substance). A general term for substances that exhibit the Mie phenomenon.

However, in actual display elements, it is possible to produce color without depending on the upper polarity.

Although the mechanism that causes the electrochromy phenomenon is not necessarily single, in many cases it is considered to be a so-called redox reaction between an electrolyte and a coloring substance.

In this case, the electrolyte and the coloring substance are not necessarily distinguished from each other in terms of materials.

The same substance can be a color-forming substance and an electrolyte at the same time.

Another view is that the change in light absorption characteristics is due to the injection of injected electrons into the color center, as in the case of photochromy, and in reality, the electrochromy phenomenon is the result of a combination of these two factors. It is understood that this is occurring.

Since the electrochromy phenomenon electrically changes the inherent color of a material, the combinations of colors are diverse.

Furthermore, whether a material can transmit light, reflect light, or scatter light is not determined by the properties of the material itself, but rather by the method of forming the electrochromic layer. It also has the property of being able to form molds.

These configurations and the above-mentioned diversity, as well as the memorability that the coloration lasts from the time it occurs until it is erased;
In addition, there are materials whose color changes depending on the applied voltage value, and various applications can be considered, so research has become active in recent years.

Materials exhibiting electrochromic phenomena exist in a wide range of organic and inorganic substances.

Any of these materials can be used in the present invention as long as they are generally transparent or translucent.

FIGS. 1A to 1D show various structures of information storage bodies of the present invention having electrochromic substances.
Reference numerals 1 and 1' denote transparent substrates, or substrates of which either one is transparent depending on the use, and 2 and 2' denote transparent electrodes made of In2O3°S n 02 or the like.

3 is a transparent or translucent optical semiconductor layer, and 4 is an electrochromic material layer, which is made of a transition metal compound such as WOs or T to 2, and is transparent or translucent.

Reference numeral 5 denotes a transparent or translucent electrolyte layer called a resistor necessary for erasing the electrochromic material layer 4 that has developed color due to the electrochromic phenomenon.

3' is a transparent or light-transmitting layer in which a photosemiconductor and an electrolyte are uniformly mixed, and 4' is a transparent or light-transmitting layer in which an electrochromic substance and a photosemiconductor are uniformly mixed.

This information storage body P is uncolored when no voltage is applied between the electrodes 2 and 2', but when a voltage is applied between the transparent electrodes 2 and 2' of this information storage body P, the optical semiconductor layer 3.3
When a light pattern is applied to ', 4', the electrochromic material layers 4, 4' are energized in accordance with the light pattern, and the electrochromic material layers are colored in accordance with the light pattern.

Next, when the entire surface of the semiconductor layers 3, 3' and 4' is uniformly irradiated with light while applying a voltage of opposite polarity to the above-mentioned voltage to the transparent electrodes 2, 2, the electrochromic material layer is decolored and the original color is removed. It will be in an uncolored state.

Next, an embodiment of the film reader or reader printer of the present invention will be described with reference to FIG.

10 is a light source, 11 is a condenser lens, 12 is an original microfilm, 13 is a projection lens, and 14 is a reflecting mirror rotatably disposed on the projection optical path.

Reference numeral 15 denotes an observation and erasure light source that illuminates the entire projection screen 17 when the reflecting mirror 14 is rotated to the position shown by the broken line;
6 is a lens.

For the projection screen 17 disposed on the projection surface, a transparent substrate 1 of the information storage body P shown in FIG. 1 is used, in which a light diffusing substance is uniformly dispersed.

In the above apparatus, when a negative film with a negative image is used as the microfilm 12 and an image of the same sex as the microfilm 12 is to be observed, the reflector 14 is placed at the solid line position a and the light source 10 is turned on. An image on a film 12 is projected onto a screen 17 by a light source 10.

Then, the projected light passes through the reflecting mirror 14 to the screen 17.
A negative image of the same sex as the original image appears on the screen 17, as in a normal film reader, and the viewer can observe this in front of the screen.

Next, when you want to observe the image of this microfilm 12 and the positive and negative isomers, with the image of the microfilm 12 projected on the screen 17, apply a voltage between the transparent electrodes 2 and 2' of the screen. Due to the electrochromy phenomenon, the ridges in the original image change color on the screen surface, resulting in a positive and negative image.

This image is retained on the screen even when the applied voltage is removed.

When observing this image, the light source 10 is turned off, the reflective mirror 14 is rotated to position b without applying a voltage between the transparent electrodes 2 and 2', and another light source 15 is connected to the lens 16 and the reflective mirror. When the entire back surface of the screen 17 is uniformly illuminated with light passing through the screen 14,
An observer can observe a positive image in front of the screen 17.

When recording an image on the screen 17, the optical semiconductor layer 3 is affected by light from the viewer's side, so-called external light. The transparent substrate 1 on the outside light side may be a blue filter that transmits light of a specific wavelength, for example, and the optical semiconductor may be one that is low in sensitivity to light of a specific wavelength, such as light in the blue wavelength range.

Next, when erasing the positive image on the screen, apply a voltage of opposite polarity to that described above between the transparent substrates 2 and 2' of the screen, and place the reflecting mirror 14 at position b to illuminate the screen 17 with light from the light source 15. By irradiating the entire surface, the image can be erased and the next projection observation can be performed.

When using a positive film, images of the same or opposite sex as the original film can be observed as desired.

FIG. 3 shows another embodiment of the present invention, in which 20 is a main body case, 21 is an illumination light source system, 22 is a projection lens system, and 23 is a main body case.
is a carrier that holds the original microfiche, 24
25 is a reflecting mirror, 25 is a projection screen disposed on the front surface of the main body case 20, and 26 is a light source for observation and erasure that illuminates the entire rear surface of the screen 25 uniformly.

Illumination light source system 21, projection lens system 22, and screen 25
is the same as in FIG.

In the above apparatus, when observing an image of the same sex as the original image, as in the example shown in FIG. By projecting the image onto the screen 25 via the reflecting mirror 24, an image of the same sex as the original can be observed on the screen.

In addition, when observing the original image and the anisotropic image, the image is projected onto the screen 25 and a voltage is applied between the transparent electrodes 2 and 2' of the screen, as in the example shown in FIG. The image is recorded on the screen 25, and after this,
By turning on the light source 26 without applying a voltage between both electrodes, the original image and the image of the opposite sex can be observed on the screen.

Next, when erasing the image on the screen 25, apply a voltage with the opposite polarity between both transparent electrodes to the light source 25.
6, the screen 25 can be returned to its original uncolored state.

FIG. 4 shows still another embodiment of the present invention, in which 30 is a main body case, 31 is an illumination light source, 32 is a projection lens system, and 33 is a main body case.
is an original film, and a desired frame is placed under the projection lens system 32 by operating a control panel 38 using microfiche or roll microfilm.

34 is a reflecting mirror, and 35 is a projection screen, which is similar to that shown in FIG.

A light shielding plate 36 surrounds the illumination light source system 31 and has two openings 361 and 362.

37. 37□ is a shutter that opens and closes each opening 36□, 36□, respectively.

In the above device, the opening 36 is opened by the shutter 37□.
□ is closed, the other shutter 372 is removed from the aperture 36□ to open the aperture 36□, and the light source system 31 is turned on, so that an image of the same sex as the original film can be observed on the screen 35.

Next, in this state, a voltage is applied between the transparent electrodes of the screen 35 to record the image of the original film on the screen 35, and then the shutter 372 is moved without applying a voltage between the transparent electrodes.
closes the opening 036□, removes the other shutter 37□ from the opening 361, and closes the opening 36. When opened, the original film and the positive and negative images can be observed on the screen 35.

Next, in this state, by applying a voltage of opposite polarity to that described above between the transparent electrodes of the screen 35, the image on the screen 35 can be erased.

FIG. 5 shows an embodiment in which a reflective screen is used in place of the above-mentioned transmissive screen, in which 40 is a reader body, 41 is an illumination light source system, 42 is a projection lens system, 43 is an original film, and 44 is a The reflector 45 is a reflective screen.

The reflective screen 45 has a structure in which the information storage body P is laminated on white paper, for example.

The information storage body P used in this embodiment differs from the previous embodiment in that the transparent plate 1 does not contain a light-diffusing substance, and the storage body P is entirely transparent.

46 is a light source for observation and erasing that uniformly illuminates the entire surface of the screen 45, and 47 is a filter that transmits or absorbs light of a specific wavelength.

In the above apparatus, when the illumination light source system 41 is turned on, the observer can observe the reflected image by the reflective screen through the filter 41, as in a known reflective reader, and this reflected image is divided into the original film and the positive and negative parts. It is an image of the opposite sex.

Next, in this state, after applying a voltage between the transparent electrodes of the screen 45 and recording an image on the screen 45, when the light source 46 is turned on without applying a voltage, the original image is images can be observed.

Figure 6 shows an example of a reader printer.
B is a known transmissive or reflective screen placed on the first projection surface, and B is a printing mechanism placed on the second projection surface, on which photosensitive paper is placed.

51 is an illumination light source system, 52□, 52□, and 523 are projection lens systems, 53 is an original film, 54° is a rotatable first reflecting mirror, and 542 is a rotatable second reflecting mirror.

55 is a light shielding plate surrounding the illumination light source system 51, and has two openings 551.55□.

It is a shutter that opens and closes 561.56□ respectively.

Reference numeral 57 designates the information storage body P shown in FIG. 1, in which the transparent plate 1 does not contain a light-diffusing substance.

In the above apparatus, when observing or printing an image having the same polarity as the original film 53, the aperture 55 is closed by the shutter 561, the other shutter 56□ is removed from the aperture 55□ to open the aperture 552, and the light source system 51 is , and first, set the first reflecting mirror 541 at position a and project the image of the original film 53 onto the screen A through the projection lens system 527 and the first reflecting mirror 541. Then, on the screen A, an image of the same sex as the original is displayed. can be observed, and also the first
The reflecting mirror 54□ is set at the b position, the second reflecting mirror 542 is set at the C position, and the image on the original image film 53 is transferred to the projection lens system 521, the first reflecting mirror 54□, and the projection lens system 522.
, by projecting it onto the printing mechanism B through the second reflecting mirror 542, it is possible to print an image of the same sex as the original image.

In this case, it is assumed that the projection lens systems 521 and 522 are adjusted so that the image on the film is formed on the printing mechanism B.

Next, when observing or printing a positive and negative image of the original film 53, first set the first reflecting mirror 541 to position b while leaving each shutter 561 and 562 in the above-mentioned positions, and The mirror 54□ is set at position b, and the image on the original film 53 is projected onto the information storage body 57 through the projection lens 527, the first reflecting mirror 540, the projection lens system 522, the second reflecting mirror 54□, and the projection lens system 523. In this state, a voltage is applied between the transparent electrodes of the information storage body 57 to temporarily record an image on the storage body 57.

In this case, the projection lens systems 521, 522, and 523 are adjusted so that the image of the film is formed on the information storage body 57.

After that, without applying voltage between the transparent electrodes, the shutter 5
6□ closes the opening 55□, and the other shutter 56□
is removed from the aperture 55□ to open the aperture 551, the first reflecting mirror 54□ is set at the C position, the second reflecting mirror 542 is set at the b position, and the recorded image of the information storage body 57 is transferred to the projection lens system 523, The second reflecting mirror 542, the projection lens system 52□, the first
When projected onto the screen A through the reflecting mirror 541, the original image and the image of the opposite sex can be observed on the screen.

In this case, each projection lens system 520, 522, 52
Adjust 3.

Also, with each shutter in this state, the second reflecting mirror 54□
is set at position C, and the image on the information storage body 57 is passed through the projection lens system 523 and the second reflecting mirror 54□ to the print mechanism B.
By projecting it onto the screen, you can print the original image and the image of the opposite sex.

In this case, the projection lens system 523 is adjusted so that the image of the information storage body 5γ is focused on the printing mechanism B.

7A to 7C show other embodiments of the reader or reader printer, in which 61 is an illumination light source system, 62. ．． 6
2□ is a projection lens system, 63 is an original film, 64 is a reflecting mirror inserted into and removed from the projection optical path, and 65 is an information storage body P shown in FIG.

The projection lens system 621, 62□, the original film 63, and the information storage body 65 are moved in and out of the optical path, respectively.

In the above-mentioned apparatus, when observing an image of the same sex as the original film 63, as shown in FIG. 7A, the projection lens system 6
21 into the optical path, the reflecting mirror 64 is removed from the optical path, and the illumination light source system 61 projects the image of the original film 63 onto a known screen or printing mechanism (not shown), then an image of the same sex as the original can be observed or printed. can.

Next, when observing or printing a positive and negative image of the original film 63, first, as shown in FIG. A voltage is applied between the transparent electrodes of the information storage body 65, the image of the original film 63 is projected onto the information storage body 65 by the light source system 61, and the image of the film is temporarily recorded on the information storage body 65.

Thereafter, as shown in FIG. By projecting the image recorded on the information storage body 65 onto a screen or printing mechanism, an image of the opposite sex to the original image can be observed or printed.

As described above, according to the reader or reader printer of the present invention, it is possible to freely and selectively observe images of the same or opposite sex from the same original film, which has the effect of making the use of the reader or reader printer convenient. be.

[Brief explanation of drawings]

FIGS. 1A to 1D are configuration diagrams of information storage bodies used in the present invention,
FIG. 2 is a block diagram of the reader or reader printer of the present invention, and FIGS. 3 to γ are side views showing other embodiments. 10... Light source, 11... Condenser lens, 12... Micro film, 13...
...projection lens, 14...reflector, 15.
...Light source for observation and erasure, 17...Projection screen.

Claims (1)

[Claims] 1 Using a screen with an information storage body containing an electrochromic substance and a light diffusion layer superimposed on it,
When observing an image of the same sex as the original, the image is projected onto the screen and observed without applying a voltage to the screen, and when observing an image of the opposite sex, a voltage is applied to the screen. A reader or a reader printer that applies an image and projects an image onto the screen to temporarily store it on the screen and then observe this stored image.