JPH052214A - Slide and slide projector - Google Patents

Abstract

PURPOSE:To provide the slide and slide projector which project a slide image which a projection operator intends when plural slides are projected. CONSTITUTION:When the slides 12 are loaded in the slide stocker 20 of the slide projector 10, projection order and projection conditions recorded on the respective slides 12 are read out while the slides are conveyed. The read projection order and projection conditions are stored in a memory 70 provide in a control circuit 44. The control means 44 takes the slide 12 to be projected out according to the projection order stored in the memory 70 and drives a light source 24 and a projection lens 28 according to the projection conditions to project the image of the slide 12. Thus, the projection operation is performed according to the projection order and projection conditions recorded on the respective slides 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slide and a slide projector, and more particularly to a slide in which a slide film such as a reversal film is housed in a mount,
And a slide projector that projects each image of a plurality of slides onto a screen or the like.

[0002]

2. Description of the Related Art Conventionally, there is a slide projector for projecting a slide in which a reversal film on which an image has been captured is mounted in a mount one image by one onto a screen or the like.
Some of these slide projectors are equipped with a mechanism that enables automatic transport to project multiple slides in sequence.
In this slide projector, a plurality of slides are loaded in a storage box such as a stocker in the order in which they are projected. This allows
Images of each slide are projected according to the loading order.

When a plurality of slide images are projected using this slide projector, the slide images are directly visually checked to confirm the direction and order of the slides and loaded into the stocker. Alternatively, once a plurality of slides are loaded in the stocker and sequentially projected, the projected image is visually confirmed.

However, in this slide projector, since the images of the slides are projected according to the order of the slides loaded in the storage box such as the stocker, the projection can only be performed in the order of the loaded slides. For this reason,
If the order is incorrect, the order of these slides must be changed before the projection, and the desired slide position must be searched for and projected during the projection. Further, when a plurality of slides loaded once in the stocker are projected in different orders, the slides must be rearranged in the order in which they are projected. Further, if the slide image cannot be projected and confirmed, the original image of the slide is visually confirmed in advance when loading the slide in the stocker, and the slide is loaded in the order in which the images are projected. For image slides and the like, there are some slides in which it is not possible to determine whether or not the slides are proper slides unless they are projection images, and the desired image may not be projected because the slide order is different.

When actually projecting a slide, the projection conditions of the image of each slide, such as the exposure amount and the projection magnification at the time of projection, may differ. When this happens,
After projecting the image of each slide on the screen for each slide, it is necessary to manually operate the slide projector so that the exposure amount and the projection magnification at the time of optimal projection are obtained.

Further, when the slides are exchanged according to the explanation of the lecture or the like, the slides are exchanged for each explanation of the image of the slide. In order to simplify these operations, there is a slide projector that can be synchronized with the sound. A time for explaining each slide is set, and the explanation of the slide to be projected in advance within this time is recorded on a tape recorder or the like. The slides are exchanged at a predetermined time corresponding to the description of one slide.

However, in this slide projector, the image cannot be judged on the recording side. Therefore, if the slide order is incorrect, the slide is replaced and the recording tape is rewound to start projection again. You have to do it or start over.

[0008]

SUMMARY OF THE INVENTION In consideration of the above facts, the present invention makes it easy to project a slide with an image intended by a person performing a projection when projecting an image of each slide using a plurality of slides. An object of the present invention is to provide a slide and a slide projector that can be performed.

[0009]

In order to achieve the above object, the slide of the invention according to claim 1 is a slide in which a photographic film on which an image is recorded is mounted on a mount one by one. At least one of the information indicating the projection order of the slides and the information indicating the projection conditions is recorded on at least one of the mounts.

According to a second aspect of the invention, in the slide projector, the photographic film on which an image is recorded is mounted on the mount one by one, and the information indicating the projection condition is recorded on at least one of the photographic film and the mount. A slide accommodating means for accommodating a plurality of slides, an ejecting means for taking out slides from the slide accommodating means, an information reading means for reading information representing the projection condition recorded on the slide, and an image of the slide on a screen. And a projection means for controlling the take-out means so as to take out the slide to be projected from the slide storage means and for projecting an image of the slide on the screen under the projection condition read by the information reading means. It is characterized by having a control means for controlling

According to a third aspect of the present invention, in a slide projector, a photographic film on which an image is recorded is attached to a mount one by one, and information indicating a projection order of the slides is provided on at least one of the photographic film and the mount. And a slide accommodating means for accommodating a plurality of slides recording information indicating projection conditions, and an ejecting means for ejecting the slide from the slide accommodating means
Information reading means for reading information indicating the projection order of the slides and information indicating projection conditions recorded on the slide, projection means for projecting an image of the slide on a screen, and information read by the information reading means is stored. And a memory for controlling the ejecting means so as to take out the slides stored in the slide storing means according to the information indicating the projection order stored in the memory, and the images of the slides are displayed under the projection conditions stored in the memory. And a control means for controlling the projection means so as to be projected on a screen.

In the slide according to claim 1, the information representing the projection condition is, for example, a projection time of the slide at the time of projection, a direction of the slide at the time of projection, an exposure amount at the time of projection, and a sound related to the slide at the time of projection. It is at least one of information and a projection magnification at the time of projection.

In the slide projector according to claim 2 or 3, the information representing the projection condition is, for example, a projection time of the slide at the time of projection, a direction of the slide at the time of projection,
It is at least one of an exposure amount at the time of projection, audio information related to slide at the time of projection, and a projection magnification at the time of projection.

In the slide projector according to claim 2, the control means further takes out each slide stored in the slide storage means by the take-out means, and the projection condition recorded on the taken-out slide is the information. The projection means may be controlled so that the image of the slide is projected on the screen under the projection conditions read by the reading means and read by the information reading means.

In the slide projector according to the third aspect, the information recorded on each slide may be stored in the slide storing means after being read by the information reading means.

According to a fourth aspect of the present invention, in the slide projector according to the second or third aspect, there is provided information changing means for changing at least one of the information indicating the projection order of the slides and the information indicating the projection conditions. It is characterized by that.

[0017]

In the slide of the invention described in claim 1, the photographic film on which the image is recorded is mounted on the mount one by one. At least one of the information indicating the projection order of the slides and the information indicating the projection conditions is recorded on at least one of the photographic film and the mount of this slide. Therefore, by reading and using the recorded information, it is possible to project the image of the slide according to the projection order and perform the projection according to the projection condition.

As the information representing the projection condition, for example, the projection time of the slide at the time of projection, the direction of the slide at the time of projection, the exposure amount at the time of projection, the audio information related to the slide at the time of projection, and the projection magnification at the time of projection. There is. When the projection time of the slide at the time of projection is recorded, the image can be projected at an appropriate projection time when projecting the slide. When recording the slide orientation at the time of projection, for example, the up / down / left / right orientation of the slide at projection, it is possible to instruct to project the image of the slide according to the up / down / left / right orientation when projecting the slide. it can. When the exposure amount at the time of projection is recorded, the projection amount can be projected according to the image of the slide. When the audio information related to the slide at the time of projection is recorded, for example, the description of the slide and the signal for the recorded recording tape are recorded, the audio corresponding to the image of the slide can be reproduced. When the projection magnification at the time of projection is recorded, the slide image can be projected at a desired projection magnification. Therefore, it is possible to automatically project the image of the slide under appropriate projection conditions without manual operation.

Further, when the information indicating the projection order is recorded, a plurality of slides can be projected in a desired order.

A slide projector according to a second aspect of the present invention includes slide storage means for storing a plurality of slides. The slide accommodated in the slide accommodating means has a photographic film on which an image is recorded attached to the mount one by one, and records information indicating a projection condition on at least one of the photographic film and the mount. The control means controls the ejecting means so that the slide to be projected is ejected by the ejecting means. The image of the taken out slide is projected on the screen by the projection means. Here, the slide projector is provided with an information reading unit, and the information reading unit reads the information recorded on each slide. Then, the control unit controls so that the image of the slide is projected on the screen under the projection condition read by the information reading unit. For example, when the projection time of the slide at the time of projection, the direction of the slide at the time of projection, the exposure amount at the time of projection, the audio information related to the slide at the time of projection, and the projection magnification at the time of projection are recorded as this projection condition, The image is projected under the projection condition based on the information. In this way, since the slide image is projected under the projection condition recorded on the slide, it is possible to automatically project the slide image under appropriate projection conditions.

A slide projector according to a third aspect of the present invention includes slide storage means for storing a plurality of slides. The slides stored in the slide storing means are mounted with a photographic film on which images are recorded one by one on a mount, and record information indicating a projection order of slides and information indicating a projection condition on at least one of the photographic film and the mount. is doing. This slide projector is provided with information reading means, and the information reading means reads the information recorded on each slide. The read information is stored in the memory. The control means controls the take-out means to take out the slide to be projected from the slide storage means in accordance with the information indicating the projection order stored in the memory. During this projection, the control means controls so that the image of the slide is projected on the screen under the projection conditions stored in the memory as described above. In this way, the information indicating the projection order of the slides and the information indicating the projection conditions are stored in the memory, and the slides are taken out in accordance with the projection order of the slides and projected under the projection conditions of the image, so that it is automatically Images of slides can be projected under proper slide order and proper projection conditions.

In the slide projector according to the second aspect, the control means further takes out each slide housed in the slide housing means by the take-out means, and reads the projection condition recorded on the taken-out slide by the information reading means, The projection means may be controlled so that the image of the slide is projected on the screen under the projection condition read by the information reading means. In this way, the projection conditions are read by taking out the slides to be projected from the plurality of slides stored in the slide storage means. Therefore, only by storing the plurality of slides in the slide storage means, the projection conditions of the slides desired by each slide can be obtained. You can easily project with.

In the slide projector according to the third aspect, the information recorded on each slide may be read by the information reading means and then stored in the slide storing means. In this way, since the information is read before each slide is stored in the slide storage means, immediately after all slides are stored in the slide storage means, it is easy to perform a plurality of slides in a desired slide order and projection conditions. The projection can be started on.

The invention according to a fourth aspect is the slide projector according to the second or third aspect, further comprising information changing means for changing at least one of information indicating a projection order of slides and information indicating a projection condition. There is. Thus, even if the information is changed, the changed information can be easily recorded.

[0025]

As described above, according to the invention described in claim 1, when a slide image is projected, it is possible to easily project an appropriate slide image by utilizing the recorded information. Further, when a plurality of slides are used, there is an effect that the projection order of the slides can be read to easily perform projection in a desired slide order.

In the invention described in claim 2, since the image of the slide is projected under the projection condition recorded on the slide,
There is an effect that an image of an appropriate slide can be projected without manually adjusting the slide projector for each slide.

According to the third aspect of the invention, since the images of the slides are projected in the projection order and the projection conditions recorded on the slides, the slide projector is not adjusted for each slide, and an appropriate image of the slide is projected. In addition, there is an effect that a plurality of slides can be projected in an appropriate order regardless of the slide storage position.

If the information is read from the slide before projection, projection can be performed under the proper slide projection conditions according to the read information, and the desired projection can be performed by a simple operation of loading the slide into the slide projector. The
There is an effect.

If the information is read when the slides are loaded, the order and projection conditions of each slide are stored together with the slide loading, and the desired projection can be performed immediately after all the slides have been loaded. There is.

According to the invention described in claim 4, since the slide projector is provided with the information changing means, there is an effect that the information related to the projected image can be easily changed or additionally recorded.

[0031]

Embodiments of the present invention will now be described in detail with reference to the drawings.

First, the slide 12 to which the present invention is applied will be described with reference to FIG. As shown in FIG. 1, the slide 12 is composed of a reversal film F for one image frame and a mount 13. Insert this reversal film F of one image frame between two mounts 13 or
A single slide 12 is formed by folding a single mount 13 and inserting it between them. The mount 13 is provided with an opening 13A, which is a rectangular hole through which a light beam passes for projecting an image in a substantially central portion. Further, on the outer periphery of the mount 13, a magnetic layer coated with a magnetic material for magnetic recording and reproduction is provided.

Now, the mount 1 used in this embodiment.
3, an information recording area 14 is provided, and the information recording area 14 is set to have a predetermined width along the horizontal direction of the image on the mount 13. Alternatively, the magnetic material may be applied to a predetermined area in advance.

In the information recording area 14, information corresponding to the projection order, the projection time of one slide 12, the exposure amount at the time of projection, the vertical and horizontal directions of the slide 12, the information regarding the sound, the projection magnification and the like are recorded. To be done. In addition to the above information, the title of the slide 12 and the like can be added.

Next, the slide projector 10 used in the first embodiment of the present invention will be described with reference to FIG. The slide projector 10 includes a box-shaped housing 16
A slide stocker 20 as a slide storing means for storing a plurality of slides 12 inside, an information recording / reproducing unit 34 for reproducing or recording information related to a projection image, that is, information regarding a projection order and projection conditions, and an image of the slide 12. Is provided with a projection unit 36 as a projection means for projecting, and four rubber feet 18 are attached to the bottom surface of the housing 16. The housing 16 is arranged on a desk or the like via the rubber feet 18. The slide stocker 20 has a cylindrical shape and a hollow interior. On the bottom surface of the slide stocker 20, each of the slides 12 has one side edge along the circumferential direction and the other side edge facing the center. It can be installed vertically.

The central axis of this slide stocker 20 is
A rotation shaft of a motor (not shown) is connected, and the motor is attached to the housing 16. This motor is connected to a control unit 38 as a control means, and the rotation of the motor allows the slide stocker 20 to rotate about the central axis of the slide stocker 20 as a rotation axis. The rotation may be transmitted via a belt, a chain or the like without being connected to the rotation shaft of the motor. Further, an opening 20A through which the slide 12 can pass is provided on the outer periphery of the slide stocker 20 corresponding to each position of the slide 12 arranged inside the slide stocker 20,
Slide 12 horizontally inside slide stocker 20
Can be taken in and out.

Around the slide stocker 20, there is provided a loading / unloading means (not shown) as a loading means for the slide 12, and the slide 12 is taken out from a predetermined position of the slide stocker 20 or moved to a predetermined position of the slide stocker 20. The slide 12 is configured to be loaded. On the slide transport path from the position of the slide 12 taken out to the projection position of the slide 12 on the projection unit 36, a plurality of pairs of transport rollers 66 for sandwiching and transporting the slide 12 are arranged at predetermined intervals. This transport roller 66
Is rotated, the slide 12 is transported in the rotation direction of the transport roller 66.

An information recording / reproducing section 34 is arranged between the predetermined two sets of conveying rollers 66 in the slide conveying path, and the information recording / reproducing section 34 includes a magnetic head 30 as an information reading means. ing. The tip of the magnetic head 30 is attached to the housing 16 so as to contact the slide 12. Further, the magnetic head 30 has a control unit 38 (see FIG. 3).
It is connected to the. Therefore, while the slide 12 is being conveyed, the magnetic head 30 reproduces or records information related to the projected image according to the signal from the control unit 38.

The information recording / reproducing unit 34 may be a device for manually moving the slide 12, or the device may be attached to the slide projector 10.

A projection unit 36 is disposed adjacent to the information recording / reproducing unit 34, and the slide 12 passing through the information recording / reproducing unit 34 slides to the position (projection position) of the projection unit 36 on the slide conveyance path. 12 are conveyed. An attachment (not shown) is provided at this projection position, and the projection unit 3
The slide 12 conveyed to the 6 can be fixed. In one area of this fixed slide 12,
The collimator lens 26 and the light source 24 are arranged in order. A projection lens 28 composed of a zoom lens is disposed in the other area, and the light beam emitted from the light source 24 and transmitted through the collimator lens 26 and the reversal film F of the slide 12 is transmitted by the projection lens 28 to the slide projector 10. It is configured to be projected on the screen 32 arranged at a position away from.

Next, the control unit 38 of the slide projector 10 will be described. As shown in FIG.
8 includes a control circuit 44, and the control circuit 44 includes
A monitor 42 for displaying projection information and the like and a keyboard 40 for inputting data, commands and the like are connected.
A recording circuit 60 and a reproducing circuit 62 are connected to the control circuit 44, and the recording circuit 60 and the reproducing circuit 62 are configured to reach the magnetic head 30 via an analog switch 64. The analog switch 64 operates so that the magnetic head 30 and the reproducing circuit 62 are electrically connected by a control signal from the control circuit 44 at the time of reproducing information, and by the control signal from the control circuit 44 at the time of recording information. The recording circuit 60 and the magnetic head 30 operate so as to be electrically connected.

Incidentally, a slide rotation mechanism (not shown) is provided in the slide conveyance path so that the loaded slide is rotated by a predetermined rotation angle (90 degree pitch) in response to a signal from the control circuit 44. It has become.

The control circuit 44 includes a slide stocker 20.
Driver 52 for driving a motor 46 for rotating
Is connected, and the starting point sensor 68 is also connected.
The starting point sensor 68 detects the starting point position of the slide stocker 20, that is, the position at which the first slide 12 is loaded, and outputs a signal. The control circuit 44 also includes a driver 54 that drives a motor 48 that conveys the slide 12, a driver 56 that drives a motor 50 that operates the projection lens 28 to change the projection magnification, and a light beam that exposes the slide 12. Is connected to a driver 58 that controls the light source 24 so as to change the exposure amount of.

The control circuit 44 stores a control program for carrying the slide 12 and recording / reproducing information in a memory (not shown). Further, the memory 70 is provided for storing the above information. Further, the control circuit 44 is provided with a terminal connected to a tape recorder as an audio device.

The operation of the first embodiment will be described below together with the control program stored in the control circuit 44. First, the main control routine of the slide projector 10 will be described with reference to FIG.

A plurality of slides 12 are slide stocker 2
When the start key of the keyboard 40 is pressed after being loaded with 0, this routine is started and the routine proceeds to step 102. In step 102, the slide projector 10 is initialized. In this initialization, the data (information) memory is cleared and the projection lens 28 is set to the initial position. Further, the slide stocker 20 is rotated and stopped at the position where the starting point sensor 68 is turned on, whereby the slide stocker 20 is set to the initial position. When the initialization is completed, the process proceeds to step 104. In step 104, the take-out loading means takes out one slide 12 from the slide stocker 20 and proceeds to step 106. In step 106, the information recorded in the mount 13 is read and stored in the memory 70 while the slide 12 is being conveyed.

When the storage in the memory 70 is completed, the process proceeds to step 108, the slide 12 is fed backward to convey the slide 12 to the unloading / loading means, and the slide 12 from which the information has been read is returned to the slide stocker 20 and step 110.
Go to. In step 110, it is judged whether or not the reading of the information of all the slides 12 loaded in the slide stocker 20 is completed, and if the slides 12 to be read still remain, the slide stocker 20 is changed to one slide in step 114. After rotating by the corresponding angle, the process returns to step 104, and the information of all slides 12 is repeatedly read. When reading this information, the control circuit 44 sends a control signal to the analog switch 64 so that the reproducing circuit 62 and the magnetic head 30 are electrically connected. In this way, the plurality of slides 12 loaded in the slide stocker 20 are sequentially taken out, and each of the mounts 1
The information recorded in No. 3 is read and stored in the memory 70. This information includes projection order, each slide 12
Projection time, the amount of exposure at the time of projection, the vertical and horizontal projection directions on the slide 12, information regarding audio, and the projection magnification.

When the reading of the information of all the slides 12 is completed, the process proceeds to step 112. Step 112
Then, the projection order and the projection conditions read from the slide 12 and stored in the memory are displayed on the monitor 42, and the process proceeds to step 116. In step 116, it is determined whether the displayed projection condition is changed by determining whether the key of the keyboard 40 corresponding to the command for changing the projection condition is pressed, and it is determined that the projection condition is not changed. If so, go to step 122. On the other hand, step 116
If it is determined that the projection condition is to be changed, the process proceeds to step 118, and the projection condition change setting subroutine described below is executed. When this subroutine ends, the routine proceeds to step 122. In step 122, projection is performed based on the projection conditions stored in the memory 70. When the projection of all the slides 12 is completed, the process proceeds to step 124, it is determined whether or not the changed projection order and the projection conditions are to be recorded, and if so, the process proceeds to step 126 to execute the projection condition change setting subroutine, If not recorded, this routine ends.

As described above, since the images are automatically projected in the proper order and the proper projection conditions, it is not necessary to check the slide images in detail and load them, or the projection is performed before the actual projection. Without performing confirmation, desired projection can be performed by a simple operation of loading the slide 12 into the slide stocker 20.

Next, the subroutine for changing the projection conditions will be described with reference to FIG. When this subroutine is started, the process proceeds to step 130, the projection conditions stored in the memory are displayed on the monitor 42, and the process proceeds to step 132.
In step 132, it is determined whether or not the command key corresponding to the item of the condition to be changed is pressed from the keyboard 40. In this embodiment, the command keys corresponding to the items of the conditions to be changed are key A: change the projection order and key T:
Change of projection time of one slide 12, key I: change of exposure amount at the time of projection, key D: change of upward / downward / leftward / rightward projection direction of slide 12, key R: change of information regarding sound and key M: change of projection magnification, respectively. It corresponds. The end key for changing the projection conditions corresponds to the key Q.

When the command key is pressed on the keyboard 40, the process proceeds to step 134. In step 134, it is judged whether the pressed key of the keyboard 40 is "A",
If "A" is pressed, the operation proceeds to step 136. In step 136, the changed projection order is input by the keyboard 40, and the process returns to step 130. On the other hand, if “A” is not pressed, the process proceeds to step 138. In step 138, it is determined whether or not any one key of "T", "I", "D", "R" and "M" is pressed,
If any one of the keys is pressed, the process proceeds to step 140. In step 140, the frame number n of the slide to be changed is input from the keyboard 40, and then step 142
Go to. In step 142, the setting value of the projection condition to be changed is input by the keyboard 40, and then step 130
Return to.

On the other hand, in step 138, the key T,
If it is determined that none of I, D, R, and M has been pressed, the process proceeds to step 144. In step 144, it is determined whether or not this subroutine is ended by determining whether or not the pressed key is the key Q. If not, the process returns to step 130. If pressed, this subroutine is terminated.

As described above, since the information displayed on the monitor 42, that is, the information stored in the memory 70 is changed, for example, when it is desired to project in a different projection order or the same slide is projected several times. Sometimes, it is possible to easily project the slides in the order of the images desired by the performer by changing the conditions (information) of the projection order. For each image, the projection time, the exposure amount, the vertical and horizontal projection directions, It becomes possible to correct the content of the audio recording, the projection magnification, etc. before the actual screening.

Next, an information writing routine for writing information relating to the projection order and the projection conditions on the slide 12 will be described with reference to FIG. When this routine is started, the process proceeds to step 150, the slide projector 10 is initialized, and then the process proceeds to step 152. In step 152, it is judged whether or not there is a difference between the read information and the stored information, and if they are the same, this routine is ended. If there is a difference in the read information, it is determined that the information has been changed, and the process proceeds to step 154. The slide 12 with the changed information is taken out and the process proceeds to step 156. In step 156, the information before changing the information recorded in the mount 13 is erased by an erasing head (not shown), and the process proceeds to step 158 where the erasing is completed, and the changed information is recorded. When the recording of information is completed, the process proceeds to step 160. In step 160, the slide 12 for which information recording has been completed is returned to the position where the slide stocker 20 has been taken out. Step 162
Then, it is determined whether or not all the recordings on the slide 12 corresponding to the changed information have been completed. If not completed, the process proceeds to step 164, the next slide 12 is set, and the process returns to step 154. When finished, this routine is finished. Incidentally, when recording this information, the control circuit 44
Sends a control signal to the analog switch 64 and the recording circuit 6
0 and the magnetic head 30 are electrically connected. Therefore, it is possible to easily write on the slide 12 in which the information is not yet recorded or the slide 12 in which the information is changed.

In the above embodiment, the case where the reproduction and the recording of the information are performed separately has been described, but the recording of the information may be performed when the information is changed. Further, recording and reproduction of information may be performed by another device.

In the first embodiment, the slide stocker 20 is used.
An example of reading the information related to the projection from the slide 12 loaded in the above has been described, but an example of loading the slide 12 into the slide stocker 20 after reading the information related to the projection will be described as a second embodiment.

Since the second embodiment has substantially the same construction as the first embodiment, the same parts are designated by the same reference numerals and detailed description thereof will be omitted.

As shown in FIG. 7, in the slide projector 10 of the second embodiment, the slide holder 22 can be installed above the housing 16. A slide take-out means (not shown) is provided below the housing 16, and the slide holder 2 installed above the housing 16 is provided.
Each of the slides 12 sequentially stored from 2 is inserted into the transport path.

Next, the control unit 38 of the slide projector 10 will be described. The control unit 38 of the second embodiment is the first
Although the description is omitted because it is substantially the same as that of the embodiment, a control signal sending portion is added to the control circuit 44 for each slide 12 to the slide take-out means to be inserted into the transport path. Alternatively, a slide insertion mode may be provided instead of automatically inserting each slide 12 into the transport path, and the slide 12 may be manually inserted.

The operation of the second embodiment will be described below with reference to the main control routine of FIG. When this routine is started, the routine proceeds to step 170, where after the slide projector 10 has been initialized, the routine proceeds to step 172. In step 172, one slide 12 is taken out from the slide holder 22 and the process proceeds to step 174. In step 174, the slide 12 is conveyed and information is read. When the information reading is completed, the process proceeds to step 176, and the slide 12 from which the information is read is loaded into the slide stocker 20. When the loading is completed, the process proceeds to step 178. In step 178, it is determined whether or not all the slides 12 have been loaded. If not finished, the process proceeds to step 180, where the slide holder 22 is moved to a position where the next slide 12 is taken out, and then to step 172. Return. By repeating this, all the slides 12 are loaded in the slide stocker 20.

When all the slides 12 have been loaded, the process proceeds to step 182. In step 182, the projection condition is displayed on the monitor 42, and the process proceeds to step 184. In step 184, it is determined whether or not the displayed projection condition is changed by determining whether the key of the keyboard 40 corresponding to the command for changing the projection condition is pressed. In step 184, the projection condition is not changed. If it is determined that the above-mentioned condition is satisfied, the process proceeds to step 190. On the other hand, if it is determined that the projection condition is changed, the process proceeds to step 186, and a projection condition change setting subroutine described below is executed. When this subroutine ends, the routine proceeds to step 190. In step 190, projection is performed based on the stored projection conditions. When the projection ends, this routine ends.

As described above, since information is read when each slide 12 is loaded in the slide stocker 20,
After the slide 12 is loaded in the slide stocker 20,
The projection can be done immediately. Therefore, it is only necessary to dispose the slide holder 22 in the slide projector 10, and the slides 12 accommodated in the slide holder 22 can be accommodated regardless of the order, and desired projection can be performed by a simple operation.

It should be noted that the present invention can be easily applied to an audio-synchronous type slide projector by adding an input / output means to / from a device used so as to output a synchronous signal as audio information of information related to the projected image. .

In the above embodiment, the case where the read information is stored in the memory of the control unit has been described, but the above information may be stored in a storage medium such as a memory card or an IC card and used.

In the above embodiment, the case where the information regarding the projection order and the projection conditions is read from the slide 12 and stored in the memory 70 has been described, but the slide stocker 2
The position information of 0, that is, only the information corresponding to the position of the slide 12, is stored, the projection conditions of each slide 12 are read out after the slides 12 corresponding to the order are taken out, and the image of the slide 12 is displayed under the read projection conditions. You may project. An example in which projection is performed without storing all of this information or without the memory 70 will be described as a third embodiment.

Since the third embodiment has the same construction as the first and second embodiments, the same parts are designated by the same reference numerals and detailed description thereof will be omitted, and the controller 3 of the slide projector 10 will be omitted.
8 will be described. The control unit 38 of the third embodiment is substantially the same as that of the above-mentioned embodiment, and therefore its explanation is omitted, but the control circuit 4
4 does not have a memory 70 for storing information.

The operation of the third embodiment will be described below with reference to the main control routine of FIG. When this routine is started, the process proceeds to step 202. In step 202, the slide projector 10 is initialized, and the process proceeds to step 204. At the time of this initialization, the same processing as in the above embodiment is performed, and 1 is set to the variable i corresponding to the order. In step 204, one slide 12 is taken out from the slide stocker 20 and the process proceeds to step 206. In step 206, the slide 12 is conveyed and the information recorded on the slide 12 is read. When the reading of information is completed, the process proceeds to step 208. Step 20
In step 8, it is judged whether or not the slide 12 from which the information has been read is in the projection order i. Rotate the slide stocker 20. By repeating this, the slide 12 corresponding to the predetermined projection order is taken out.

If the slide 12 is to be projected in step 208, the flow advances to step 212 to project. When the projection is completed, the slide is returned to the slide stocker 20 in step 214 and step 21
Go to 6. In step 216, it is determined whether or not the projection of all slides 12 is completed. If not completed, the variable i is incremented by 1 in step 218, and the process returns to step 204. By repeating this, the entire slide 12 is projected. When all projections are completed, this routine is completed.

As described above, since the slides 12 can be sequentially taken out, the information can be read, and the projection can be performed according to the read information, the memory is not provided and the structure of the slide projector is simple and the slide projector is provided. The desired projection can be performed by a simple operation of placing the slide 12 on the slide 10.

In the above embodiment, the case where the slide 12 is projected based on the information read from the information recording area 14 of the mount 13 has been described.
The present invention is not limited to this. For example, FIG.
As shown in, the mount 13 is provided with a predetermined reading area so that the information related to the photographed image optically recorded on the reversal film F can be read, and the information related to the photographed image can be read from the reversal film F. Then, it can be used in addition to the information read from the mount 13. Alternatively, the information may be printed and the printed information may be read.

[Brief description of drawings]

FIG. 1 is a plan view showing a slide to which the present invention is applied.

FIG. 2 is a perspective view showing a schematic configuration of a slide projector used in the first embodiment.

FIG. 3 is a block diagram showing a relationship around a control unit of the slide projector.

FIG. 4 is a flowchart showing a main control routine of a control routine stored in a control circuit of the slide projector used in the first embodiment.

FIG. 5 is a flowchart showing a projection condition changing subroutine of the slide projector.

FIG. 6 is a flowchart showing an information writing routine of the slide projector.

FIG. 7 is a perspective view showing a schematic configuration of a slide projector used in a second embodiment.

FIG. 8 is a flowchart showing a main control routine of a control routine stored in a control circuit of the slide projector used in the second embodiment.

FIG. 9 is a plan view showing a slide that accommodates a reversal film in which information related to a captured image is recorded.

FIG. 10 is a flowchart showing a main control routine of a control routine stored in a control circuit of the slide projector used in the third embodiment.

[Explanation of symbols]

10 Slide projector 12 slides 20 Slide stocker (slide storage means) 30 Magnetic head (information reading means) 36 Projection Unit (Projection Means) 38 Control unit (control means) 70 memory

Claims (4)

[Claims] 1. A slide in which a photographic film on which an image is recorded is mounted on a mount one by one, and at least one of information indicating a projection order of the slide and information indicating a projection condition on at least one of the photographic film and the mount. A slide characterized by recording one side. 2. A slide accommodating means for accommodating a photographic film on which images are recorded one by one in a mount and accommodating a plurality of slides recording information indicating projection conditions on at least one of the photographic film and the mount. A take-out means for taking out the slide from the slide storing means, an information reading means for reading information representing the projection condition recorded on the slide, a projection means for projecting an image of the slide on a screen, and a slide for projecting the slide. A slide projector comprising: a control unit that controls the ejecting unit so that the image is taken out of the accommodating unit and that controls the projecting unit so that the image of the slide is projected on the screen under the projection condition read by the information reading unit. . 3. A plurality of photographic films on which images are recorded are mounted on a mount one by one, and a plurality of information recording the projection order of the slides and the projection conditions are recorded on at least one of the photographic film and the mount. A slide accommodating means for accommodating the slides; an ejecting means for taking out the slides from the slide accommodating means; an information reading means for reading the information indicating the projection order and the projection condition of the slides recorded on the slide; Projecting means for projecting images of slides on a screen, memory for storing information read by the information reading means, and taking out slides stored in the slide storing means according to information indicating the projection order stored in the memory The projection stored in the memory while controlling the ejection means A slide projector comprising: a control unit that controls the projection unit so that an image of the slide is projected on a screen under certain conditions. 4. The slide projector according to claim 2, further comprising an information changing unit that changes at least one of information indicating a projection order of the slide and information indicating a projection condition.