JPH0481715A - Information recording medium, information recorder and information recording and reproducing device - Google Patents

Abstract

PURPOSE:To improve the image quality and reliability of a device by supplying light beams having wavelengths corresponding to plural chrominance signals and plural decomposed chrominance signals to a recording head at the time of recording, and selectively recording them at respective corresponding color positions of filter stripes of a color stripe filter. CONSTITUTION:The device is constituted by including the color stripe filter 5a and a scatter mode optical modulation member 4 which holds an opaque state and a transparent state stepwise. The device is equipped with the recording head 10A which is supplied with the decomposed chrominance signals and has a photoconductive layer and a switching selection light means 21 which supplies the photoconductive layer 5a of the recording head 10A with the light beams having the wavelengths corresponding to the decomposed chrominance signals through the color stripe filter 5a. When information is recorded, the light beams having the wavelengths corresponding to the chrominance signals and decomposed chrominance signals are supplied to the recording head 10A at the same time, they are selectively recorded at the respective corresponding color positions of the filter stripes of the color stripe filter 5a. The information signal which is recorded on the information recording medium is therefore obtained as the color image signal which has gradations and high-definition. Consequently, the image quality and reliability of the device can be improved.

Description

Detailed Description of the Invention (Industrial Application Field) The present invention provides information recording using an information recording medium including a scattering mode light modulating member that maintains an opaque state and a transparent state in stages. The present invention relates to an information recording/reproducing device that forms information signals on a medium as high-definition color image information.

(Prior Art) In recent years, information signals to be recorded have been recorded as high-definition image information on an information recording medium including a scattering mode light modulation member, and the recorded image information has been developed. Information recording/playback devices that play back information are increasingly attracting attention. Furthermore, the scattering mode of the scattering mode light modulating member is defined as a state in which light is scattered (opaque state) and a state in which light is transmitted (transparent state) during erasing, recording, and reproduction operations of the information recording medium. It takes two forms.

This type of information recording/reproducing apparatus is capable of applying an information signal to be recorded onto an information recording medium, recording it, and erasing or rewriting the signal as necessary.

Note that the information here refers to image information including a single image character, etc., as electromagnetic wave information or optical information.In the following explanation, information is referred to as electromagnetic wave information or optical information, and information signal is referred to as electromagnetic wave information signal or optical information. Also written as signal.

That is, the information recording/reproducing apparatus described above has a method of, for example, (1) erasing image information recorded on an information recording medium by heating and recording image information by applying an electric field, or (2) erasing image information by applying an electric field. A method of erasing image information recorded on a recording medium and recording the image information by heating, recording and erasing image information on an information recording medium including a scattering mode light modulating member using the principle of It is something to do.

In addition, the image information recorded on the information recording medium can be transferred to 0HP (
It is constructed so that it can be enlarged and reproduced using a projection type projector or the like so that a large number of people can view it.

This type of information recording/reproducing device has come to be used for recording computer graphics, for recording check images before being printed on recording paper for thermal transfer printers, and for various other types of office automation. Development is currently underway.

(Problems to be Solved by the Invention) An information recording/reproducing device using an information recording medium including a scattering mode light modulating member as described above is capable of transmitting electromagnetic wave information onto a high-definition image on the information recording medium. It can be formed as information.

However, when recording electromagnetic wave information on an information recording medium, the method of recording using the electric field described above is behind the times in obtaining color image information. Conventionally, a method of colorization has been proposed in which a black and white image corresponding to a color stripe is recorded on a recording medium and then reproduced through a color stripe filter to obtain a color image. A recording medium having a color stripe filter has also been proposed, but there is a problem in matching the recorded information with the color stripe filter.

In contrast, the present invention uses an electric field generation head having a photoconductive layer that generates an electric field to convert electromagnetic wave information or optical information into a color image on an information recording medium including a scattering mode light modulation member. This paper proposes an information recording/reproducing device that can easily record information or reproduce recorded color image information with high precision, thereby greatly improving the image quality and reliability of the device. It is something that can be contributed.

(Means for Solving the Problems) The present invention has been made in view of the above problems, and includes (1)
A color stripe filter in which an information signal to be recorded is separated into a plurality of color signals, and filter strips each having a plurality of colors corresponding to the separated information signals are repeatedly disposed for one meter. and a scattering mode light modulating member that maintains an opaque state and a transparent state in stages, and records the information signal on the information recording medium. a recording head that supplies the plurality of separated color signals and has a photoconductive layer; and a recording head that supplies light of wavelengths corresponding to the plurality of separated color signals to the photoconductive layer of the recording head through the color stripe filter. switching selection light means for supplying the plurality of color signals and the plurality of separated color signals to the recording head at the same time during recording. The information recording apparatus is characterized in that the information recording apparatus is configured to selectively record at opposing color positions of the filter strips of the stripe filter.

(2) The information recording device according to claim 1, wherein the photoconductive layer of the recording head has a laminated structure of a charge generation layer, a charge transport layer, and a charge generation layer.

(3) The photoconductive layer of the recording head is formed so as to be the same as the longitudinal direction of the filter strips of the color stripe filter, and the width of the recording portion of the photoconductive layer is set to be equal to the width of one of the filter strips. 3. The information recording device according to claim 1, wherein the information recording device is formed to have a width larger than that of the first one.

(4) An information recording medium configured to include a scattering mode light modulation member that maintains an opaque state and a transparent state in stages for use in an information recording/reproducing device, which decomposes an information signal to be recorded. a color stripe filter in which filter strips having a plurality of colors corresponding to a plurality of color signals are repeatedly arranged as a set; and a light shield provided between each color of the filter strips of the color stripe filter. The information recording medium is characterized by comprising a transparent part.

(5) An information recording/reproducing apparatus further comprising means for reproducing and displaying the information recording medium recorded by the information recording apparatus according to claims 1, 2, and 3. It is.

(Embodiment) An embodiment of the information recording/reproducing apparatus according to the present invention will be described in detail below with reference to FIGS. 1 to 10.

1 and 2 are diagrams showing the configuration of an information recording medium used in the information recording/reproducing apparatus according to the present invention, and FIG. 3 is a partially enlarged diagram of the information recording medium shown in FIG. 2. The side view, FIGS. 4 and 5 are information records/records related to the present invention.
6 is a bottom view of the recording head shown in FIG. 5, and FIGS. 7 and 8 are diagrams showing the configuration of the information recording/reproducing device according to the present invention. FIG. 9 is a diagram showing the electric field change characteristics of the information recording medium, and FIG. 10 is a diagram for explaining the reproducing operation of the information recording medium.

Information Recording Medium> First, using FIGS. 1 to 3 together, the information recording/reproducing apparatus 20 (FIG. 7) and the information recording/reproducing apparatus according to the present invention will be explained.
Information recording medium IA used in playback device 30 (Fig. 8)
and the information recording medium IB will be explained.

The information recording media IA and IB have a basic configuration of a substrate 2, an electrode 3, a scattering mode light modulating member 4, and a color stripe filter 5, and further have a color stripe structure in which the structure of the color stripe filter 5 is partially modified. It is constructed by combining filters 5a, 5b, etc. as will be described later.

Here, before explaining the combined structure of the information recording media IA and IB, the characteristics of each component will be explained.

The substrate 2 is formed on a flat surface using a transparent PET (polyethylene terephthalate) material or the like.

The electrode 3 is formed on the substrate 2 using a transparent ITO (indium oxide) film or the like.

Note that the substrate 2 and electrode 3 are not limited to this.

The scattering mode light modulating member 4 is configured to include a scattering type light changing member whose optical characteristic changes to a state of scattering light upon heating, and the above state is maintained even after cooling. Furthermore, it becomes transparent when an electric field is applied, and remains transparent even when the electric field is removed.

That is, the scattering mode light modulating member 4 is made of, for example, a material containing liquid crystal such as a polymer-liquid crystal composite film, a ferroelectric liquid crystal film of the liquid crystal film 1, a ceramic such as PLZT, or an inorganic strong material such as BaTiO3 or LiN103. Any one of dielectric crystals and organic ferroelectric materials such as polyhynylidene fluoride and trifluoroethylene copolymer is used.

In the information recording media IA and IB using the scattering mode light modulating member 4, the scattering mode refers to erasing and recording of the information recording media IA and IB, which will be described later.

During the reproduction operation, as described above, it takes two states: a light scattering state (opaque state) and a light transmitting state (transparent state).

In addition, in the following description, the scattering mode light modulating member 4
An example using a polymer-liquid crystal composite film from among the many materials mentioned above will be described. For convenience of explanation, the scattering mode light modulating member 4 will also be referred to as the polymer-liquid crystal composite film 4 in the following explanation.

The polymer-liquid crystal composite film 4 is made of methacrylic resin.

A porous polymeric material made of any one of polyester resin, polycarbonate resin, @vinyl resin, polyamide resin, polyethylene resin, polypropylene resin, polystyrene resin, silicone resin, etc., and has a bulk resistivity of 1014ΩC1 or more. A membrane in which nematic liquid crystals are encapsulated in countless minute pores 4a randomly distributed in a porous polymer material membrane, or smectic liquid crystals are randomly distributed in acrylic resin as a polymer material. It is a mixture.

In addition, the countless minute pores 4a in which the liquid crystal is sealed are
For example, it has a diameter of about 0.5 microns or less, so when recording optical information or electromagnetic wave information, which will be described later,
It becomes possible to form high-definition images. and,
As will be described later, the optical properties of the polymer-liquid crystal composite film 4 change between a light scattering state by heating and cooling and a light transmitting state by an electric field.

Moreover, the color stripe filter 5 is a color stripe filter 5a without a light-opaque portion, which will be described later. The color stripe filter 5 (5a, 5b) is usually laminated between the electrode 3 and the polymer-liquid crystal composite film 4. The stacking order is not limited to this, and the color stripe filter 5 (5a
, 5b) as the top layer, and below this is the polymer-liquid crystal composite WI.
4 may be formed.

Further, the color stripe filters 5 (5a, 5b) are configured to provide a plurality of colors corresponding to the optical information signal separated into a plurality of colors or the electromagnetic wave information signal supplied to the recording head 10A and IOB shown in FIGS. 4 and 5. The length L of the information recording media IA and IB is obtained by repeating a set of filter strips having
Multiple arrays are formed in the direction.

Further, the color of one set of filter strips of the color stripe filter 5 (5a, 5b) is determined by the fact that the optical information signal or electromagnetic wave information signal separated into a plurality of colors supplied to the recording head 10A10B is, for example, red as a color signal component. If the signal component R2 is a green signal component G and a blue signal component B, the colors of one set of filter strips of the color stripe filter 5 are respectively the red filter strip G on the edge of the filter strip R1 and the blue filter strip 4E.
1 Chestnut B. These filters 41B and R1G and B are formed linearly in the width W direction of the information recording media IA and IB as shown in the figure. In addition, this filter #1 R, G, and B are connected to the electrode 12 (of the recording head IOA).
(Fig. 4) or along the main scanning direction in which the divided electrodes 14 (Fig. 5) of the recording head IOB are arranged, that is, the longitudinal direction of the filter strips R, G, and B of the recording head 10A10B. It is formed in the same direction as the longitudinal direction.

Also, the intervals between the filter strips R, G, and B are determined by the recording head I.
The filter strip spacing is approximately the same as the width of the electrode 12 of the OA (in the direction perpendicular to the plane of the paper in FIG. 4) or the division amount 1#114 of the recording head IOB. That is, the width dimension of the electrode 12 and the size of the divided electrode 14 are formed to have a resolution of about 8 dots/mm to 16 dots/mm.

Note that the color of the color stripe filter 5 is not limited to the three specific primary colors of R, G, and B, and other colors can also be used.

Next, the combined configuration and structure of the information recording media #IA and IB will be explained.

In FIG. 1, the first information recording medium IA has a flat electrode 3 uniformly formed with a very thin film along a flat substrate 2, and a color stripe filter 5a is further formed on the electrode 3. A polymer liquid crystal composite film 4 is formed thereon. Further, the color stripe filter 5a is, for example, one in which the above-mentioned m filters R, G, and B are repeatedly arranged. By using this information recording medium IA, recording heads IOA and 10B (FIGS. 4 and 5)
When, for example, color signal components R, G, and B of an optical information signal or an electromagnetic wave information signal separated into a plurality of colors are sequentially and repeatedly supplied to Position 9 color signal component B of filter strip G in
are recorded sequentially in the first place of the blue filter strip B, respectively,
In other words, information records! [Color image information corresponding to the color signal components is obtained on #IA.

In FIG. 2, the second information recording medium IB is formed by partially modifying the color stripe filter 5a of the first information recording medium IA to form a color stripe filter 5b. That is, the color stripe filter 5b has a light-opaque portion 5b1 formed between each color of, for example, red filter m stripes, green filter strips G, and blue filter strips B. This light-opaque portion 5b1 includes filter strips RG of each color,
It is formed along the boundary of B, and is, for example, formed in black. In addition, the filter @ strip spacing is the same as that of the information recording medium IA, including the light-opaque portion 5b1, and therefore the filter m strips RG and B are narrower than the information recording medium IA. . When recording using this second information recording medium IB and viewing the color image information recorded on the information recording medium IB or reproducing it by a reproduction means such as an OHP shown in FIG. As shown in Figure 3, for example, even if there is a shading image at the filter strip R, the light is not diffused into the adjacent green filter strip G and blue filter strip B due to the light-opaque portion 5b1. Not done. That is, light does not pass through in the direction shown by the dotted line. Therefore, high-quality color image information without color mixture can be obtained in the information recording medium IB, and the range of use of the apparatus can be expanded.

Recording Head> The recording head IOA and the recording head IOB that supply optical information signals or electromagnetic wave information signals to the information recording media IA and IB having the above configuration will be described with reference to FIGS. 4 and 6.

Further, these recording heads IOA and IOB are electric field generating heads that generate electric field changes using light and record by applying the electric field changes at this time to the information recording media IA and IB,
That is, the recording head 10A is a head configured to record optical information signals, and the recording head IOB is a head configured to record both optical information signals and electromagnetic wave information signals.

In FIG. 4, the first recording head IOA is the electric field generating head as described above, hereinafter referred to as the electric field generating head IO.
It will be called A.

In this electric field generating head IOA, electrodes 12 are laminated along the main scanning direction under a substrate 11 made of a material such as ceramics. Further, below the electrode 12, a photoconductive layer (hereinafter referred to as a photoconductive layer) 13 made of a material similar to that of a well-known photoreceptor used in electrophotography, for example, is formed.

The electrode 12 is formed uniformly along the main scanning direction (longitudinal direction), and is formed with an extremely thin film in the width direction perpendicular to the plane of the drawing. Since this electrode 12 is formed in the above shape, it is not possible to record electromagnetic information signals, but only optical information signals.

Further, inside the photoconductive layer film 13, a charge generation layer 13a is formed.
, a charge transport layer 13b, and a charge generation layer 13c as shown in the figure.

When this electric field generating head IOA is used in an information recording/reproducing apparatus 20 (FIG. 7) to be described later, the electric field generating head IOA is attached to a substrate 1 as shown in the figure.
By applying recording light from above the photoconductive layer 1 and applying switching selection light from below the photoconductive layer WA13, the charge generation layer 13a of the photoconductive layer WA13 reacts to the recording light from above and generates charges. On the other hand, the charge generation layer 13c generates charges in response to the switching selection light from below, and these charges generate an electric field, which is transmitted to the recording medium I via the electrode 12.
A. It is recorded on IB. Note that the charge transport layer 13
The purpose of b is to obtain a large contrast potential.

Furthermore, an optical information signal separated into a plurality of colors is provided as the recording light, and the amount of charge changes due to the change in the amount of light of this optical information signal, which causes a change in the electric field. On the other hand, the switching selection light is a light beam corresponding to a plurality of colors, that is, a light beam having the wavelength of the color of the decomposed optical information signal is transferred to the color stripe filter 5a.

5b to the electric field generating head IOA, and the recording portion is selected on the color stripe filters 5a and 5b corresponding to the wavelength.

When the electric field generating head IOA is used in this manner, optical information is photoelectrically converted, an electric field is applied to the information recording medium IAIB, and thereby the information is recorded.

In FIG. 5, the second recording head IOB is the electric field generating head as described above, hereinafter referred to as the electric field generating head IO.
I call it B. Although the electric field generating head IOB has the same function as the electric field generating head IOA, the electrode shape is different from that of the electric field generating head IOA because the electrode shape is formed in the shape of the divided electrode 14 as shown below. Not only information signals but also electromagnetic wave information signals can be recorded.The substrate 11 and the photoconductive layer M13 are the same.

That is, t[! of the electric field generating head IOB. is the divided partition t f! It is formed in 14 shapes.

A plurality of divided electrodes 14 are formed in a plurality of arrays along the main scanning direction (longitudinal direction), and these plurality of divided electrodes 14 serve as pixels of optical information signals or electromagnetic wave information signals to be recorded. The size of the dots recorded by the divided electrodes 14 is approximately 8 dots/mm to 16 dots/mm.

Further, when this electric field generating head 10B is used in an information recording/reproducing device 30 (FIG. 8) to be described later, the electric field generating head 10B applies recording light from above the substrate 11 similarly to the electric field generating head IOA.
There are two cases: recording by applying switching selection light from below the photoconductive layer 13, and recording by supplying an electromagnetic wave information signal to the electric field generating head IOB and applying switching selection light from below the photoconductive layer 13. There are two ways. Note that when supplying electromagnetic wave information signals to the electric field generation head IOB, the operation of the charge generation layer 13a inside the photoconductive layer WA13 is ignored.

In addition, in the electric field generating head IOB, as shown in FIG. 6 when the electric field generating head IOB is viewed from the bottom, the width M of the divided electrode 14 that becomes the recording part of the electric field generating head IOB and the width N of the photoconductive layer film 3 are determined. The filter strip spacing (
Width) larger than K, even if the relative positions of the electric field generation head IOB and the color stripe filters 5a and 5b are not parallel, a width is secured where the photoconductive layer 13 reacts with the selection light, and each of the selected filter! +! Article IR
, G, and B positions can be recorded accurately.

Information recording/reproducing device 20> Regarding the information recording/reproducing device 20 according to the present invention, the first
The explanation will be made using FIGS. 4, 7, 9, and 10.

The information recording/reproducing apparatus 20 according to the present invention includes the electric field generating head (first recording head) shown in FIG.
This is an apparatus that photoelectrically converts optical information using 10A to form color image information on the information recording media IA and IB shown in FIGS. 1 and 2.

In the information recording/reproducing apparatus 20 shown in FIG. 7, an electric field generating head IOA is provided above the information recording media IA, IB. The electric field generating head IOA is fixed to the information recording media IA, IB in a pressed state by a pressing means (not shown), and the information recording media IA, IB are configured to be movable in the sub-scanning direction by a conveying means (not shown). has been done.

Further, an optical information signal serving as recording light is supplied to the electric field generating head IOA. This optical information signal is separated into a plurality of colors by means not shown, and for example, a red signal component R1, a green signal component G, and a blue signal component B are repeatedly supplied in sequence as signal components. Note that the plurality of colors of the optical information signal is not limited to the three primary colors R, G, and B.

Further, the information recording medium I
At the lower position via A and IB, there is a switching selection light means 2.
1 is arranged. The switching selection light means 21 includes a selection light source 22 and a disc-shaped color filter 23 arranged in a positional relationship as shown in the figure. Further, the color filter 23 has a structure in which filter parts 23a to 23c of a plurality of colors are equally divided along the circumferential direction, and rotationally controlled in the direction of the arrow by a filter drive mechanism (not shown) around point 0. ing. Note that the selection light means 21 may use three-color LEDs corresponding to RlG and B, or three-color laser beams separated into three colors, and in these cases, it is necessary to use a color filter 23. Needless to say, there is no such thing.

Further, the plurality of colors of the color filter 23 are colors corresponding to signal components separated into a plurality of colors of the optical information signal to be recorded.

If the optical information signal supplied to the electric field generating head IOA is, for example, signal components R, G, B, then the color filter 2
Color 3 corresponds to the signal components R, G, and B, and includes an R filter section 23a, a G filter section 23b, and a B filter section 23.
c. During recording, each of the filter sections 23a to 23c of the color filter 23 is connected to the light source 22 in correspondence with the signal components R, G, and B to be recorded on the information recording media IA and IB.
When recording the signal component R, the R filter section 23a faces the light source 22, the G filter section 23b is used for the signal component G, and the B filter section 23C is used for the signal component B. The rotation is controlled so that it faces the light source 22.

Next, the erasing, recording, and reproducing operations of the information recording/reproducing apparatus 20 configured as described above will be explained.

This information recording/reproducing device 20 is of a type that erases image information recorded on the information recording media IA, IB by heating and records image information by applying an electric field.

First, the erasing operation is performed by heating and erasing the information recording media IA, IB using an erasing head having a heating element (not shown), and then when the information recording media IA, ], B are naturally cooled, as shown in FIG. This results in a scattering state (opaque state) in the electric field change characteristics shown. This scattered state is a state in which it has been erased.

Further, the electric field change characteristics shown in FIG. 9 are the threshold value V. It also shows that when an electric field of the above magnitude is applied, it changes to a transparent state, and when a predetermined electric field is applied, it becomes completely transparent, and as shown in the figure, it has an "S"-shaped characteristic curve. Therefore, by controlling the electric field application conditions, it is possible to control stepwise between the scattering state (opaque state) and the transparent state, and recording with gradation is possible.

Further, the recording operation is performed by sequentially and repeatedly supplying, for example, signal components R, G, and B of an optical information signal separated into a plurality of colors from above the electric field generating head IOA, thereby recording information in a state of scattering after disappearance. Color image information with gradation according to signal components R, G, and B is recorded on the media IA and IB.

The color image information recorded on the information recording media IA and IB is generated by combining an optical information signal that becomes recording light separated into a plurality of colors and supplied to the electric field generation head IOA, and the information recording media IA and IB described above. This is based on the color stripe filters 5a and 5b and the switching selection light means 21.

That is, image information is recorded at the positions of the color stripe filters 5a and 5b corresponding to the optical information signal separated into a plurality of colors supplied to the electric field generating head IOA. At this time, the electric field generating head IOA and the color stripe filter 5a
, 5b with the filter strips R, G, and B are adjusted in advance to the position of the color of the filter strip to be recorded first, and then sequentially moved in the sub-scanning direction by a conveying means (not shown). Recording is performed with the movement of the information recording medium IA, IB, or the color position of the color stripe filters 5a, 5b corresponding to the color to be recorded is controlled each time as the information recording medium IA, IB moves. This is due to any of the following cases.

An example of an optical information signal separated into a plurality of colors by the electric field generating head IOA is signal components R and G.

In the case where the signal component R is sequentially and repeatedly supplied and the signal component R is recorded first, the electric field generating head 10A is made to correspond to the filter strips R of the color stripe filters 5a and 5b, and the color filter 23 of the switching selection light means 21 is is controlled to rotate to the position of the R filter section 23a, so as to face the light source 22.

At this time, the light beam emitted from the light source 22 passes through the R filter section 23a and is transferred to the information recording medium IA.

The light is incident on the IB as an R light beam. The light flux R that is incident on the information recording media IA and IB is transmitted to the transparent substrate 2.
．． Transparent electrode 39 color stripe filter 5 (5a, 5
b) The filter strip R2 passes through the polymer-liquid crystal composite film 4 and is emitted from the polymer-liquid crystal composite film 4, and is emitted from the electric field generating head I.
The light is input to the OA. The R light flux (the light flux having the wavelength of the color of the decomposed signal component) incident on the electric field generation head IOA is transferred to the charge generation layer 13c of the photoconductive layer 13 of the electric field generation head IOA.
A charge is generated within the recording medium, and the generated charge is recorded in the portion corresponding to the filter strip R of the recording color stripe filter 5 (5a, 5b), that is, a recording electric field is created between the electrode 12 and the recording medium #IA, IB. occurs.

At the same time, charges corresponding to the signal component R are generated within the t-charge generation layer 13a of the photoconductive layer 13, causing a change in the electric field. Charges due to the charge generation layer 13c and the charge generation layer 1
3a is applied between the electrode 12 and the recording media IA, IB, thereby causing an electric field change according to the signal component R, and this electric field change is recorded on the information recording media IA, IB.

By repeating the same operation sequentially for signal component G and signal component B, signal component R is recorded on information recording media #IA and IB.
, G, and B are recorded.

Therefore, the information recording/reproducing device 2o can record high-definition, high-quality color image information by selectively recording in correspondence with the color stripe filters 5 (5a, 5b).

When recorded by the method described above, the information recording medium IA
The image information recorded in the color stripe filter 5a becomes high-definition color image information with gradation, and in the information recording medium IB, the previously described light-opaque portion 5b
1, it is possible to obtain high-definition color image information with gradation and no color mixture during reproduction, which will be described later.

Next, the operation of reproducing the image information recorded on the information recording media IA and IB is performed using, for example, an OHP as shown in FIG.
This configuration includes display means (playback means) 40. The OHP display means 4o has a reproduction means consisting of a casing 41, a lens 42, and a mirror 43, and the recorded information recording bodies IA and IB are placed on the upper surface of the casing #41, and the casing 41 Image information on the information recording media IA, IB is enlarged to a desired size and reproduced and projected onto a screen (not shown) via a lens 42 and a mirror 43 by irradiation light from a light source (not shown) housed inside the . It is something that

Information Recording/Reproducing Apparatus 30> A modified information recording/reproducing apparatus 30 according to the present invention will be described with reference to FIGS. 1 to 3, FIG. 5, FIG. 6, and FIG. 8.

The information recording/reproducing device 3o according to the present invention has an electric field generating head (second recording head) shown in FIG. 5 described above.
This is an apparatus that photoelectrically converts optical information using an IOB to form color image information on the information recording media IA and IB shown in FIGS. 1 to 3. In addition, here we will introduce the information recording/reproducing device mentioned above! Only the configuration and operation that are relevant to 20 will be described in detail.

In the information recording/reproducing apparatus 3o shown in FIG. 8, an electric field generating head IOB is provided above the information recording media IA and IB, and only this electric field generating head 10B is configured to be connected to the information recording/reproducing apparatus 2o. be.

Further, as described above, this electric field generating head 10B is equipped with the divided electrode 14, and is a recording head capable of recording both optical information signals and electromagnetic wave information signals.

When an optical information signal is recorded by the electric field generating head IOB, by setting the divided electrodes 14 to the same potential, the operation is exactly the same as that of the information recording/reproducing device 3f20, and a detailed description thereof will be omitted here.

Furthermore, when recording an electromagnetic wave information signal, the electromagnetic wave information signal is separated into a plurality of colors, and this is supplied to the electric field generation head IOB, and the above-described switching selection light is applied from the bottom of the information recording media IA and IB. The means 21 are simultaneously operated in accordance with the color of the electromagnetic wave information signal to be recorded. Here, inside the electric field generating head IOB, an electric field due to an electromagnetic wave information signal and a charge generated in the charge generation layer 13c of the electric field generating head IOB by the switching selection optical means 21, that is, a field, are both connected to the divided electrode 14 and the information recording medium. Color image information corresponding to the electromagnetic wave information signal is recorded with high definition on the information recording media IA and IB.

Therefore, the information recording/reproducing device 30 has the same effects as the information recording/reproducing device 20, and can also record electromagnetic wave information signals, so that the range of use of the device can be greatly expanded.

(Effects of the Invention) As detailed above, the information recording/reproducing apparatus according to the present invention uses an information recording medium including a scattering mode light modulation member to generate information signals separated into a plurality of colors. By simultaneously supplying light with a color wavelength corresponding to this decomposed information signal to an electric field generating head having a photoconductive layer film through a color stripe filter, charges are generated within the photoconductive layer film, and this charge The electric field generated by the information recording medium is applied to the information recording medium for recording. Furthermore, the information recording medium has a color stripe filter in which a set of filter strips having a plurality of colors corresponding to the separated information signals are repeatedly arranged, and during recording, the color stripe filter is repeatedly arranged as a set. It is configured to be selectively recorded at the color position of the strip.

As a result, the information signal recorded on the information recording medium is obtained as high-definition color image information with gradation, which greatly contributes to the image quality and reliability of the device and extends the range of use of the device. It is expanded in width.

[Brief explanation of the drawing]

1 and 2 are diagrams showing the configuration of an information recording medium used in the information recording/reproducing apparatus according to the present invention, and FIG. 3 is a partially enlarged diagram of the information recording medium shown in FIG. 2. The side view, FIGS. 4 and 5 are information records/records related to the present invention.
Refurbished! FIG. 6 is a bottom view of the recording head shown in FIG. 5, and FIGS. 7 and 8 show the configuration of an information recording/reproducing apparatus according to the present invention. FIG. 9 is a diagram showing the electric field change characteristics of the information recording medium, and FIG. 10 is a diagram for explaining the reproducing operation of the information recording medium. IA... First information recording medium, 1B... Second information recording medium, 2... Substrate, 3... Electrode, 4... Scattering mode light modulation member (polymer-liquid crystal composite film )
5 (5a, 5b)...Color stripe filter, 5b
1...Light-opaque portion, 10A...First recording head ($ field generating head), 1
0B...Second recording head (field generating head), 11
... Substrate, 12... Electrode, 13... Photoconductive layer (photoconductive layer film), 13a... Charge generation layer, 13b... Charge transport layer, 1
3c... Charge generation layer, 14... Divided electrode, 20...
・Information recording/reproducing device, 21...Switching selection optical means, 22...Light source, 23.
...Color filter, 23a-23b...Filter section, 3
0... Information recording/reproducing device, 40... OHP display means. Patent applicant: Victor Japan Co., Ltd.

Claims (5)

[Claims] (1) The information signal to be recorded is separated into a plurality of color signals and supplied, and a set of filter strips having a plurality of colors corresponding to the separated information signal is repeatedly arranged. Information recording the information signal on the information recording medium using an information recording medium configured to include a colored stripe filter and a scattering mode light modulation member that maintains an opaque state and a transparent state in stages. The recording apparatus includes a recording head that supplies the plurality of separated color signals and has a photoconductive layer, and a recording head that supplies the plurality of separated color signals and that supplies the photoconductive layer of the recording head with light having wavelengths corresponding to the plurality of separated color signals. and switching selection light means for supplying light through a color stripe filter, and simultaneously supplies light of wavelengths corresponding to the plurality of color signals and the plurality of separated color signals to the recording head during recording. , An information recording apparatus characterized in that the information recording apparatus is configured to selectively record information at corresponding color positions of the filter strips of the color stripe filter. (2) The information recording device according to claim 1, wherein the photoconductive layer of the recording head has a laminated structure of a charge generation layer, a charge transport layer, and a charge generation layer. (3) The photoconductive layer of the recording head is formed so as to be the same as the longitudinal direction of the filter strips of the color stripe filter, and the width of the recording portion of the photoconductive layer is set to be equal to the width of one of the filter strips. 3. The information recording device according to claim 1, wherein the information recording device is formed to have a width larger than that of the first one. (4) An information recording medium configured to include a scattering mode light modulation member that maintains an opaque state and a transparent state in stages for use in an information recording/reproducing device, which decomposes an information signal to be recorded. a color stripe filter in which filter strips having a plurality of colors corresponding to a plurality of color signals are repeatedly arranged as a set; and a light shield provided between each color of the filter strips of the color stripe filter. An information recording medium characterized by comprising a transparent part. (5) An information recording/reproducing apparatus further comprising means for reproducing and displaying the information recording medium recorded by the information recording apparatus according to claims 1, 2, and 3. .