JP2002310916A - Movie film inspecting device and method therefor, camera device therefor, and light source device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To precisely and efficiently inspect the conditions of recording of delicate digital sound signals, etc., as well as the conditions of recording of images and analogue sound signals. SOLUTION: The movie film inspecting device is provided with an inspecting board 2, monitors 6 and 7, a speaker 8, a solid-state image pickup element camera 19 with an aspherical single lens 25, and a light source 5 of the structure of the integrating sphere principle. The inspecting board is provided with both an image projecting part 17 arranged at a midpoint of a film travel guide mechanism 12 for outputting the images recorded in movie film 100 and an analogue sound reproducing part 18 for reproducing the analogue sound signals. The solid-state image pickup element camera is supported at a supporting mechanism 20 and arranged at a midpoint of the film travel guide mechanism of the inspecting board, picks up the vicinities of one side end of the movie film in the widthwise direction uniformly illuminated by the light source, and enlarges and displays the conditions of recording of the digital sound signals, etc., on the monitor 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is suitable for a cinema film quality inspection, particularly a cinema film inspection apparatus and an inspection method for inspecting a recording state of a sound signal or the like recorded at an end in a width direction, and a cinema film inspection apparatus. The present invention relates to a camera device and a light source device used for a camera.

[0002]

2. Description of the Related Art Generally, as shown in FIGS. 9 and 10, a frame-like image recording area 102 for recording an image (image) frame in a substantially central area of a film substrate 101 is formed along a longitudinal direction. And formed
Feed perforations 103 and 104 are formed at regular intervals along both sides of the image recording area 102. In the cinema film 100, an analog sound recording area 105 for optically recording an analog sound signal is formed in a band shape in an area between the image recording area 102 and at least one of the perforations 103.

In the cinema film 100, a digital sound is recorded in addition to an analog sound with the development of digital technology in recent years, so that a dynamic sound effect can be achieved. The above-mentioned basic specifications of the movie film 100 are based on the American Society of Motion Picture and Television Engineers (SMPTE: Society Motion Pictu).
re and Television Engineers) and recommended guidelines. Therefore, the movie film 100
In, recording of a digital sound signal is performed on the premise of prescribed conditions.

A technique for recording a digital sound signal on the cinema film 100 was initially developed at the Dolby Research Laboratory in the United Kingdom. As shown in FIGS.
The optical recording of the digital sound signal is performed by using the digital audio signal 07 as the digital audio signal. The digital sound signal is recorded in the digital sound recording area 107 as a digital audio signal of six channels (abbreviated as Dolby SRD in the following description).

[0005] On the other hand, the movie film 100 has been further developed by the present applicant so that a larger capacity digital sound signal can be recorded. That is, in the “35 mm” movie film 100, the width of the film substrate 101 is 34.975 mm.
And there is a gap area of 2.01 mm width between the side end and the outer edge of the perforation 103. In the motion picture film 100, these gap areas are configured as second and third digital sound recording areas 109 and 110 for recording digital sound signals, respectively. In these second and third digital sound recording areas 109 and 110, digital audio signals of eight channels (SDDS: Sony Dynamic Digital Sound in the following description) are recorded.

The movie film 100 has a CD-ROM (Compact Disc Read) as another digital signal system.
A method for reproducing 6-channel digital audio signals recorded in d-Only Memory (DTS: Digital Theater Sy)
A time code recording area 111 for optically recording a time code signal used as a control signal of the stem is also formed. The time code recording area 111 is shown in FIGS.
As shown in FIG. 5, the gap is formed by using a small gap between the analog sound recording area 105 and the image recording area 102. The DTS reproduces a digital audio signal from the CD-ROM in synchronization with the time code signal recorded in the time code recording area 111.

[0007] For convenience of explanation, the cinema film 100 has been described as having all the digital sound signals and time code signals described above recorded in the respective recording areas as shown in FIGS. 9 and 10. Needless to say, it is not provided with such a configuration. Movie film 100
The digital sound signal and the time code signal are recorded in a predetermined recording area according to each system.

The cinema film 10 constructed as described above
0 is mass-produced by printing from a negative film to a positive film. In the movie film 100,
At the time of this printing, failure of the printing device,
Precise due to various causes such as operator's operation error, occurrence of film slip in the traveling system, abnormal color tone and density degree and unevenness due to data failure at the time of input, adhesion of dust etc. due to work environment. There is a possibility that a problem that a positive film is not produced may occur. Therefore, for the cinema film 100, a quality inspection is performed on the manufactured positive film using an inspection device to determine whether or not normal screening is possible.

[0009] Motion picture film inspection equipment is provided, for example, by Stinbek of Germany, Magnusink of the United States, Ekureifo of France, or KEM of Northern Europe. A movie film inspection device generally includes an inspection panel equipped with a film traveling mechanism for driving a film, a prism projection mechanism, a reproduction mechanism having a sound head for reproducing a sound signal, and a monitor for projecting an image through the prism projection mechanism. And a speaker for outputting the reproduced sound.

In the movie film inspection apparatus, a film traveling path is constituted by a plurality of tension rods, guide rollers, sprockets and the like appropriately arranged, and guides the movie film 100 unreeled from the unwinding roll in the film traveling path. Take up by a take-up roll.
The movie film inspection apparatus projects an image recorded in the image recording area 102 of the movie film 100 on a monitor by a prism projection mechanism arranged along the film traveling path,
Inspection of the image recording state is performed by the operator. The cinema film inspection apparatus uses an analog sound recording area 1 by a sound reproducing mechanism arranged along a film path at a predetermined interval from a prism projection mechanism.
By reproducing the analog sound recorded at 05, the recording state of the analog sound signal is checked simultaneously with the recording state of the image.

[0011]

By the way, in the cinema film 100, for example, a part of the Dolby SRD recorded in the digital sound recording area 107 between the perforations 103 is shifted in the perforation 103 due to a shift of a printing position. Was printed and missing. The motion picture film 100 is recorded in, for example, the second and third digital sound recording areas 109 and 110.
DDS or DDS recorded in the time code recording area 111
TS may be blurred or uneven in density due to slippage during printing.

By the way, as described above, the conventional cinema film inspection apparatus has only the recording state of the image recorded in the image recording area 102 and the recording state of the analog sound signal recorded in the analog sound recording area 105 for the cinema film 100. Had been inspected. The conventional cinema film inspection apparatus uses the Dolby SRD recorded in the digital sound recording area 107 or the second and third digital sound recording areas 109, 1
There is no specification for inspecting the recording state of the SDDS recorded in 10 and the time code signal recorded in the time code recording area 111. The conventional cinema film inspection apparatus cannot inspect the above-described digital sound signals and the like recorded as a fine signal pattern with high accuracy.

Therefore, in the cinema film 100, the quality of the recorded state of the various digital sound signals and the like described above has been conventionally subjected to a quality inspection by, for example, digitizing using a computer and evaluating it. The motion picture film 100 has a length of several hours in total, and implementing the above-described quality inspection method for all of them requires not only a huge cost but also a long inspection time, which makes it difficult to achieve a delivery date. Problem.

In the cinema film 100, a recording state of a digital sound signal or the like is inspected visually by an operator. In such a visual inspection method, since a digital sound signal or the like is recorded as a fine signal in an extremely small area, it is difficult for even a skilled worker to precisely inspect the recording state. There was a problem that efficiency was poor.

In the movie film 100, as described above, the inspection of the recording state of the image and the analog sound signal using the inspection panel and the inspection of the recording state of the digital sound signal and the like have to be performed in separate steps. . The running operation of the movie film 100 is performed each time each inspection is performed, and there is a problem that the surface or the like is scratched.

Accordingly, the present invention provides a cinema film inspection apparatus and an inspection method thereof capable of inspecting the recording state of minute digital sound signals and the like in addition to inspecting the recording state of images and analog sound signals, as well as the inspection method. The present invention has been proposed for the purpose of providing a camera device and a light source device that are suitably used for a movie film inspection device.

[0017]

According to the present invention, there is provided a motion picture film inspection apparatus for moving a motion picture film at least, and the motion picture film mechanism is disposed in the middle of the motion picture guide mechanism. And display means for outputting an image recorded in the storage device. The movie film inspection apparatus is disposed in the middle of the film traveling guide mechanism, and captures at least an image of the vicinity of one end in the width direction of the movie film. And a monitor for displaying a captured image in the vicinity of one side end of the camera. The movie film inspection apparatus visually inspects the recording state of information recorded in the vicinity of one end of the movie film based on the captured image.

The movie film inspection apparatus includes an inspection panel, a monitor, a speaker, and a solid-state imaging device camera. On the inspection board, a pay-out roll, a film running guide mechanism, a take-up roll, and an image recorded on a movie film fed from the pay-out roll, which is arranged in the middle of the film running guide mechanism, are continuously output. An image projection unit and an analog sound reproduction unit for continuously reproducing the recorded analog sound signal are provided. The monitor continuously projects the image recorded on the image projection unit of the inspection panel. The speaker outputs an analog sound based on the analog sound signal reproduced by the analog sound reproducing unit of the inspection board. The solid-state imaging device camera is arranged in the middle of the film traveling guide mechanism of the inspection board, and takes an image of at least the vicinity of one end in the width direction of the movie film.

Further, in the movie film inspection apparatus according to the present invention, the light source section is arranged in the middle of the film traveling guide mechanism of the inspection board so as to face the solid-state imaging device camera with the movie film interposed therebetween, and An imaging unit is configured.

According to the cinema film inspection apparatus of the present invention configured as described above, the cinema film unreeled from the unwinding roll is driven to run by the film running guide mechanism and wound on the winding roll. According to the cinema film inspection apparatus, the image recorded on the cinema film is output by the image projection unit of the inspection panel and projected on a monitor, and the operator visually checks the image to inspect the recording state of the image. Will be According to the cinema film inspection apparatus, an analog sound based on the analog sound signal recorded on the cinema film by the analog sound reproduction unit is output from the speaker in accordance with the image projected on the monitor of the inspection board, and this is output by the operator. By listening and confirming, the recording state of the analog sound signal is inspected.

According to the motion picture film inspection apparatus, the digital sound recording section or the like recorded in the region near the side end of the motion picture film is picked up by the solid-state image pickup device camera, and this is enlarged and displayed on the monitor. According to the motion picture film inspection apparatus, the operator can visually check the captured image of the digital sound recording unit displayed on the monitor, thereby easily and efficiently inspecting the recording state of the digital sound signal. Therefore, according to the movie film inspection apparatus, the inspection state of the recording state of the image and the analog sound signal and the recording state of the minute digital sound signal are simultaneously performed using the inspection panel, thereby improving the efficiency of the inspection step. As a result, the handling of cinema film for inspection is reduced, so that the occurrence of scratches and the like is suppressed. According to the motion picture film inspection apparatus, it is possible to inspect the recording state of a minute digital sound signal or the like in a non-contact manner with extremely high precision and efficiency.

According to the movie film inspection apparatus, the digital sound recording unit and the perforation are clarified by the fact that the digital sound recording unit of the movie film is illuminated from the back side by the light source unit and the image is taken by the solid-state imaging device camera. Is displayed on the monitor in an appropriate state. Therefore, according to the cinema film inspection apparatus, inspection with higher accuracy is performed for these parts.

A method of inspecting a cinema film according to the present invention, which achieves the above object, comprises a film travel guide mechanism for running at least a movie film, and an image recorded on the cinema film arranged in the middle of the film travel guide mechanism. Display means for outputting, a solid-state imaging device camera for imaging at least the vicinity of one end in the width direction of the movie film, and a captured image in the vicinity of one end in the width direction of the movie film taken by the solid-state imaging device camera. A motion picture film inspection device having a monitor for displaying is used. The method of inspecting a cinema film includes a cinema film setting step of setting the cinema film on a film traveling guide mechanism, and at least a vicinity of one end in the width direction of the cinema film by a solid-state imaging device camera in a stationary state where the cinema film is set. And an inspection step of displaying an image captured by the solid-state imaging device camera on the monitor and visually inspecting a recording state of information recorded in a region near the side end.

Further, the method for inspecting a cinema film according to the present invention uses a cinema film inspection apparatus including an inspection panel, a monitor, a speaker, and a solid-state image sensor camera. The inspection panel has a feeding roll, a film running guide mechanism, a take-up roll, and an image projection unit that is arranged in the middle of the film running guide mechanism and outputs an image recorded on a movie film fed from the feeding roll, and An analog sound reproducing unit that reproduces the recorded analog sound signal. The monitor displays an image output from the image projection unit. The speaker outputs an analog sound based on the analog sound signal reproduced by the analog sound reproducing unit of the inspection board. The solid-state imaging device camera is arranged in the middle of the film traveling guide mechanism of the inspection board, and takes an image of at least the vicinity of one end in the width direction of the movie film.

The method of inspecting a motion picture film includes a step of setting the motion picture film on an inspection board, a first inspection step of examining a recording state of a digital sound recording section or an analog sound recording section at a start end of the motion picture film, A second inspection step for continuously inspecting the recording state of the image and the recording state of the analog sound in the middle of the film, and inspecting the recording state of the digital sound recording section at the end of the movie film or the analog sound recording section. And a third inspection step.

In the inspection board setting step, the movie film is unwound from the unwinding roll, and is wound on a winding roll via an image projection unit, an analog sound reproducing unit, and a solid-state imaging device camera via a film traveling guide mechanism. Matching is performed. In the first inspection step, in a stationary state where the movie film is set on the inspection board, the start end of the movie film is imaged by the solid-state image sensor camera, and the captured image is enlarged and displayed on the monitor. The signal recording state of the digital sound recording unit or the analog sound recording unit recorded in the area near the end is inspected.

In the second inspection step, after the non-defective product is determined in the first inspection step, the output from the image projection unit is continuously output to the monitor until the movie film is unreeled from the unwinding roll and wound on the winding roll. The operator confirms the displayed image together with the analog sound reproduced by the analog sound reproducing unit and output from the speaker, and each recording state is continuously inspected. Third
In the inspection step, after the non-defective product is determined in the second inspection step, the end of the movie film is imaged by the solid-state imaging device camera while the movie film is stopped, and the captured image is enlarged and displayed on the monitor. Then, the operator visually checks the signal recording state of the digital sound recording unit or the analog sound recording unit recorded in the area near the side end.

According to the method of inspecting a cinema film according to the present invention having the above-described steps, the recording state of the digital sound signal finely recorded in the minute area is displayed on the monitor by enlarging the image captured by the solid-state image sensor camera. It is inspected precisely by being done. According to the inspection method of movie film,
Inspection of the recording state of the digital sound signal is performed simultaneously with the inspection of the recording state of the image and analog sound signal, which is continuously performed by the inspection panel, and the entire length is confirmed by performing the inspection at the beginning and end of the movie film. In addition, the efficiency of the inspection process is greatly improved, and high-quality cinema films can be provided in a short delivery time.

A camera device for a movie film inspection apparatus according to the present invention, which achieves the above-mentioned object, comprises a display means arranged in the middle of a film running guide mechanism for running a movie film and outputting an image recorded on the movie film. It is installed on an inspection board equipped with it, and it is adjustable in the approaching / separating direction and / or the width direction while maintaining an interval with respect to the movie film by a support means in the middle of the film traveling guide mechanism of the inspection board and supported on the inspection board And an image of at least the vicinity of one end in the width direction of the movie film.

A camera device for a movie film inspection device is used for a movie film inspection device having an inspection panel, a monitor, and a speaker. The inspection panel has a feeding roll, a film running guide mechanism, a take-up roll, and an image projection unit that is arranged in the middle of the film running guide mechanism and outputs an image recorded on a movie film fed from the feeding roll, and An analog sound reproducing unit that reproduces the recorded analog sound signal. The monitor is
The image output from the image projection unit is displayed. The speaker outputs an analog sound based on the analog sound signal reproduced by the analog sound reproducing unit of the inspection board. The camera device for a movie film inspection device is provided such that it can be adjusted in the approaching / separating direction and / or the width direction in a state where a space is maintained with respect to the movie film by a supporting means in the middle of a film traveling guide mechanism of the inspection plate. The camera is supported on the top and captures an image of at least the vicinity of one end in the width direction of the movie film, and enlarges and displays the captured image on a monitor.

According to the camera apparatus for a cinema film inspection apparatus according to the present invention, the side edges of the cinema film are mounted on an inspection board for continuously inspecting the recording state of an image and an analog sound signal. Since the digital sound recording section or analog sound recording section recorded near the section is imaged and enlarged and displayed on the monitor, the recording state of the digital sound signal recorded minutely in a minute area can be accurately and efficiently recorded. Inspection. The camera device for a cinema film inspection apparatus performs imaging of side edges of the cinema film in a non-contact manner, and also prevents the occurrence of scratches by reducing the movement and operation of the cinema film for the inspection process.

A light source device for a cinema film inspection apparatus according to the present invention, which achieves the above-mentioned object, is provided at least at one end in the width direction of the cinema film by a solid-state imaging device camera arranged in the middle of a running path of the cinema film. It is used in a cinema film inspection apparatus for inspecting the recording state of the information recording section by imaging the recorded information recording section and enlarging and displaying it on a monitor. The light source device includes a light source and a lamp house that seals the light source. The light source device is disposed to face the solid-state imaging device camera with the movie film interposed therebetween, and illuminates the entire width including the imaging region of the movie film.

According to the light source device for a movie film inspection apparatus according to the present invention, the digital sound recording unit or the analog sound recording unit recorded near the side end of the movie film is illuminated. Therefore, these recording units are clearly imaged by the solid-state imaging device camera. According to the light source device for a cinema film inspection device, the recording state of a digital sound signal finely recorded in a minute area is displayed in a clearly enlarged manner on a monitor, thereby enabling high-precision and efficient inspection. To be able to do so.

[0034]

Embodiments of the present invention will be described below in detail with reference to the drawings. A cinema film inspection apparatus (hereinafter, simply referred to as an inspection apparatus) 1 shown in the drawings as an embodiment is configured to record an image recorded on an image recording area 102 and an analog sound recording area 105 on a cinema film 100. The recorded state of the analog sound signal is checked continuously, and the digital sound signal, that is, the digital sound recording area 1 is checked.
07 recorded in the Dolby SRD recorded in the second or third digital sound recording areas 109 and 110.
The recording state of the DDS and the recording state of the time code signal recorded in the time code recording area 111 of the DTS system are simultaneously checked.

The inspection apparatus 1 is provided with an image recording area 102 for the cinema film 100, similarly to the above-described conventional inspection panel.
The inspection board 2 continuously inspects the recording state of the image recorded in the analog sound recording area 105 and the recording state of the image recorded in the analog sound recording area 105. Inspection device 1
An image pickup unit 3 including a camera unit 4 and a light source unit 5 for picking up an image of the vicinity of one side end of the movie film 100 is mounted on the inspection panel 2. Check the condition at the same time. Further, the inspection device 1 includes a first monitor 6 for projecting an image, a second monitor 7 for displaying an image captured by the imaging unit 3, a speaker 8 for outputting analog sound, and the like.

As shown in FIGS. 1 and 2, the inspection board 2 is provided with a feeding roll 10 for feeding a movie film 100 to be inspected on a table 9 and a winding roll 11 for winding the movie film 100. . The feed roll 10 and the take-up roll 11 are driven to rotate by drive shafts 10a and 10b, respectively, and are driven to rotate counterclockwise in FIG. The inspection panel 2 has a plurality of tension rollers 13 and guide rollers 14 appropriately arranged on the table 9.
Alternatively, a film traveling guide mechanism 12 including a sprocket 15 and the like is provided, and a traveling path of the movie film 100 is configured between the feeding roll 10 and the winding roll 11.

The film traveling guide mechanism 12 hangs the movie film 100 unwound from the unwinding roll 10 on a first tension roller 13a.
4 and is wound on the winding roll 11 via the second tension roller 13b. The film traveling guide mechanism 12 uses a single sprocket 15 provided in the middle to prevent the perforations 103 and 104 of the movie film 100 from being damaged.
Run 0. The inspection panel 2 is provided with a controller 16 for controlling the running / stopping of the movie film 100 or switching of the running speed. The controller 16 is also used, for example, when performing film editing or the like on a different path from the above-described film traveling guide mechanism 12.

The inspection board 2 has a film running guide mechanism 1
An image projection unit 17 and an analog sound reproduction unit 18 are provided in the middle of Step 2. The image projection unit 17 is provided with a large-diameter drum, a light source, and a prism, although details are omitted,
A pair of guide rollers 14a arranged across the drum,
14b, the cinema film 100 is pressed against a part of the outer peripheral surface of the drum and rubbed. The image projection unit 17
Image recording area 102 of movie film 100 rubbing and running
Are projected on the first monitor 6 continuously by the prism.

The analog sound reproducing section 18 is provided at a position subsequent to the image projecting section 17 at predetermined intervals so that an analog sound corresponding to the projected image projected on the first monitor 6 is output. It is arranged in the middle of the traveling guide mechanism 12. The analog sound reproduction unit 18
Although not described in detail, a sound head 18a and a light source 18b are provided opposite each other across the analog sound signal recording area 105 of the movie film 100. The analog sound reproducing unit 18 is provided in the analog sound signal recording area 10.
The analog sound signal recorded in the speaker 5 is detected and transmitted to the signal processing unit, and the analog sound is continuously output from the speaker 8.

The analog sound reproducing section 18 irradiates the traveling movie film 100 with light emitted from the light source 18b, and the emitted light is modulated by the analog sound signal recorded in the analog sound signal recording area 105. The analog sound reproducing unit 18 receives the light emitted from the light source 18b modulated by the sound head 18a and detects an analog sound signal. The analog sound reproduction unit 18 reproduces the analog sound in synchronization with the image displayed on the first monitor 6 as described above.

The inspection panel 2 is provided with the feeding roll 1 as described above.
In the process of winding the movie film 100 unwound from 0 onto the take-up roll 11 via the film traveling guide mechanism 12, an image continuously projected on the first monitor 6 is visually recognized by an operator, and the image is recorded. Make sure the condition is checked. The inspection panel 2 allows the operator to listen to the analog sound continuously output from the speaker 8 in synchronization with the image, and to inspect the recording state of the analog sound signal.

As described above, in the same step as the inspection of the recording state of the image and the analog sound signal by the inspection panel 2, the imaging unit 3 performs the Dolby SRD recorded in the digital sound recording area 107 of the movie film 100 or the second, Third digital sound recording area 109, 1
It is used to check the recording state of the SDDS recorded in the recording area 10 and the time code signal recorded in the time code recording area 111.

The imaging unit 3 is mounted on the table 9 of the inspection board 2.
By taking advantage of the small space present above, it can be placed in the middle of the film running guide mechanism 12 with little modification of the basic structure of the inspection board 2. The imaging unit 3 is, as shown in FIG. 2, between a guide roller 14 c disposed downstream of the first tension roller 13 a on the payout roll 10 and a guide roller 14 a on the input side of the image projection unit 17. Thus, the movie film 100 is disposed at a position where the movie film 100 travels linearly in a relatively stable state. The imaging unit 3 includes a first monitor 6 as described later.
It is not necessary to inspect the recording state of each signal recording section by directly relating to the image displayed in the above, so that it is not limited to the installation location in the film travel guide mechanism 12 described above, and may be located at any other appropriate position. Needless to say, they may be arranged.

As shown in FIG. 3, the image pickup unit 3 comprises a camera section 4 and a light source section 5 which are arranged to face each other with the movie film 100 interposed therebetween. As shown in FIGS. 3 to 6, the camera unit 4 includes a solid-state imaging device camera (CCD camera: Charge-Coupled Device Camera) 19, a holder member 21 and a support bracket member 22 constituting a camera support mechanism 20, or a fixing member. It is constituted by a screw member 23 and the like. The camera unit 4 includes a camera support mechanism 20 as described later.
The film film 100 is held in a non-contact state with respect to the movie film 100, and can be adjusted and moved in the vertical direction and the contact / separation direction.
Is imaged in color near the end of.

The CCD camera 19 includes an aspherical single lens 25 and a C lens having a small aperture value and a large depth of field which enable from close-up photography to infinity photography.
This is a camera having a simple structure incorporating the CD image pickup device 26 or a shutter mechanism and an aperture mechanism (not shown), and is configured to be small and lightweight. The CCD camera 19 outputs an optical image signal detected by the CCD image sensor 26 to an image processing device (not shown) via a signal cable 27.
The image captured by the CCD camera 19 is output to the second monitor 7 via the image processing device and displayed.

As shown in FIG. 6, the CCD camera 19 forms a focus adjustment mechanism 29 by combining a lens holder 28 holding an aspherical single lens 25 with the tip of the lens barrel 24 by a screwing structure. The adjustment is performed via the focus adjustment mechanism 29 so that the vicinity of the edge of the movie film 100 is focused. Movie film 1
In the case of 00, the film runs through the film running guide mechanism 12 so as not to be damaged by a large load, so that the film becomes unstable due to partial bending or the like. CCD camera 19
Is provided with a focus adjustment mechanism 29 so that a clearer captured image is displayed on the second monitor 7.

Specifically, when the focal length f of the aspherical single lens 25 is 8 mm, the distance d from the leading end to the movie film 100 is ideally 32 mm.
Is set to As described above, the CCD camera 19 has an aspheric single lens 25 having a small aperture value and a large depth of field.
Is used, the focus adjustment mechanism 29 controls the position of the motion picture film 100 at least 30 m with respect to a change in the position of the movie film 100 driven by the film travel guide mechanism 12.
Focus adjustment is performed in the range of m to 34 mm. The range of this focus adjustment is based on long-term actual measurements,
It was set based on the confirmation that the position change amount of 0 was within this range on average.

Further, the CCD camera 19 uses the aspherical single lens 25 described above so that
Sufficient focusing is performed even if the distance d opposing to 00 is close, so that a sharp image with high magnification can be obtained. Therefore, the CCD camera 19 makes it possible to reduce the size of the imaging unit 3 and efficiently use the limited space on the table 9 to install the imaging unit 3 on the inspection panel 2.

Although the CCD camera 19 has been described as being provided with the focus adjustment mechanism 29 having an extremely simple structure as described above, the CCD camera 19 may be further provided with a structure for performing finer adjustment or fixing it at the adjusted position. Of course, it may be possible. In addition, since the CCD camera 19 is held so as to be able to adjust the distance between the CCD camera 19 and the movie film 100 by the camera support mechanism 20 as described later, the focus adjustment mechanism 29 described above may not be necessary.

Further, the imaging unit 3 is not limited to the use of the CCD camera 19 having the above-described configuration, but it is a matter of course that an appropriate small camera may be used. The imaging unit 3 outputs an image signal near the end of the movie film 100 captured by the CCD camera 19 to the image processing device via the signal cable 27. For example, the imaging unit 3 uses an infrared ray or a short-range wireless data communication system or the like. Alternatively, the data may be output not only by wire but also by radio. The imaging unit 3 includes a CCD camera 19
Is displayed on the second monitor 7, but the first monitor 6 may also be used and displayed on a part or all of it.

The CCD camera 19 includes a camera support mechanism 20
Is held by The CCD camera 19 is assembled to the support bracket member 22 with the lens barrel 24 held by the holder member 21. The holder member 21 is formed of, for example, a lightweight metal material such as aluminum, an aluminum alloy, or a magnesium alloy, and as shown in FIG.
The side surface portions 21b and 21c are integrally formed upright along the both side edges of 1a, and have a substantially U shape. In the holder member 21, the side surfaces 21b and 21c are formed so that the distance between them is slightly larger than the outer diameter of the lens barrel 24, and the cushion member 30 is joined to the inner surface. Cushion material 30
Is also joined to the inner surface of the bottom portion 21a of the holder member 21. By joining the outer peripheral surface of the lens barrel 24, the CCD camera 19 is stably held in the holder member 21.

The holder member 21 is connected to the side portion 21b via a connecting portion bent at a right angle from the rear edge of the side portion 21b.
A substantially L-shaped connecting piece 21d that faces in parallel with the projection is integrally provided. A first elongated hole 21e having a major axis in the length direction is formed in the connecting piece 21d. Holder member 2
1 makes it possible to adjust the mounting position with respect to the support bracket member 22 in the range of the length of the first elongated hole 21e as described later, and to adjust the facing distance d of the CCD camera 19 with respect to the movie film 100. Make sure that focusing is performed. Although not shown, a nut is arranged on the connecting piece 21d on the inner side of the first elongated hole 21e.

The support bracket member 22 is also made of a lightweight metal material such as aluminum, an aluminum alloy or a magnesium alloy. The support bracket member 22 includes a substantially rectangular substrate portion 22a, and a camera mounting portion 22 formed at one end of the substrate portion 22a by bending the side edge of the substrate portion 22a into a vertical wall shape.
b, the light source mounting part 2 formed on the other end side of the substrate part 22a
2c. The support bracket member 22 is connected to the inspection panel 2
The bottom surface of the substrate portion 22a is attached to the predetermined position on the table 9 so that the substrate portion 22a crosses the traveling path of the movie film 100. Since the support bracket member 22 holds the small and light CCD camera 19 described above via the holder member 21, it can be easily mounted on the table 9 using, for example, a double-sided adhesive tape. Of course, the support bracket member 22 may be mounted on the table 9 by using an adhesive or by screwing.

As shown in FIG. 5, the supporting bracket member 22 has a camera mounting portion 22b having a second longitudinal axis extending in the height direction.
22d is formed. Support bracket member 2
2, the connecting piece 21d of the holder member 21 is superimposed on the inner surface of the camera mounting portion 22b with a part of the first long hole 21e facing the second long hole 22d. In this state, the fixing bracket member 23 is attached to the support bracket member 22 from the outside of the camera mounting portion 22b, and the screw portion 23a is inserted into the second long hole 22d.
Screwed into.

The fixing screw member 23 is integrally provided with a knob 23b at one end of a screw portion 23a for performing a tightening or removing operation. Fixing screw member 23
Is screwed into the first long hole 21e of the holder member 21 in which the tip of the screw portion 23a passes through the second long hole 22d and overlaps the second long hole 22d. Fixing screw member 23
The holder member 2 is connected via the connecting piece 21d by screwing the tip of the screw part 23a passing through the first elongated hole 21e to a nut provided on the inner surface of the connecting piece 21d.
1 is fixed to the camera mounting portion 22b of the support bracket member 22. Therefore, the CCD camera 19 is held by the support bracket member 22 via the holder member 21.

As described above, the camera unit 4 is configured such that the holder member 21 is
The structure is such that it is adjustable in the horizontal direction in the length range of e and is adjustable in the height direction in the length range of the second elongated hole 22d. Therefore, the camera unit 4 is adjusted to an optimum position with respect to a change in the position of the movie film 100 which is driven to run by the film running guide mechanism 12 by the camera support mechanism 20, and is attached to the inspection panel 2 each time an inspection is performed. Operation to perform is unnecessary.

The camera section 4 is provided with a movie film 100.
The image is taken at least in the vicinity of one end, but it is also possible to take an image in the vicinity of the other end by making it vertically movable by the camera support mechanism 20. Therefore, the camera unit 4 can operate the movie film 1 by a simple operation.
The entire image in the width direction of 00 is picked up, and the picked-up image can be displayed on the second monitor 7.

Further, the camera section 4 includes the above-described CCD camera 19, and is attached to the inspection board 2 by the camera support mechanism 20 in a non-contact state with the movie film 100. Therefore, it is possible to prevent the camera unit 4 from inconvenience such as scratching the surface of the movie film 100 that is driven by running. The camera unit 4 moves the movie film 100 by the focus adjustment mechanism 29 and the camera support mechanism 20.
The second monitor 7 displays a sharp captured image focused on the vicinity of the side end of the camera.

The camera support mechanism 20 supports the CCD camera 19 so that it can freely move up and down and up and down with respect to the movie film 100 by combining the holder member 21 with the support bracket member 22. Of course, it is not limited. As described above, the camera support mechanism 20 is provided with the focus adjustment mechanism 29 on the CCD camera 19 and can be freely moved toward and away from the movie film 100. Therefore, the camera support mechanism 20 has the first long hole 21e formed in the holder member 21. It may be a round screw hole. The camera support mechanism 20 may combine the holder member 221 and the support bracket member 22 with an appropriate combination structure.

As described above, the camera support mechanism 20
Although the CD camera 19 is supported so as to be freely movable toward and away from the movie film 100 and up and down, the CD camera 19 may be supported so as to be movable in the horizontal direction. For this purpose, the camera support mechanism 20 includes, for example, a structure in which an adjustment member that is moved in the horizontal direction is interposed between the holder member 21 and the support bracket member 22 or the CCD camera 1.
9 is configured to be supported by an XY table mechanism.

When the support bracket member 22 is mounted on the table 9 as described above, the camera mounting portion 22b and the light source mounting portion 22c are connected to the motion picture film
No. 0 is located opposite to the travel path.
As shown in FIG. 5, the light source mounting portion 22c is formed of a circular portion integrally formed at the tip of the substrate portion 22a, and has an annular mounting projection 22e on the surface thereof. Light source mounting part 2
The light source unit 5 is attached to 2c via an attachment protrusion 22e. As shown in FIG. 7, the mounting projection 22e has an undercut recess 22f formed on the entire outer circumference thereof.

As described above, the light source unit 5 is disposed to face the camera unit 4 with the movie film 100 interposed therebetween. Lighting. The light source unit 5 thereby prevents reflection on the imaging surface, and enables the camera unit 4 to obtain a good captured image. As shown in FIGS. 5 and 7, the light source unit 5 includes a wiring board 31 on which a power supply component and the like are mounted in a circuit pattern whose details are omitted, a light emitting element 32, and a lamp house 33.

The wiring board 31 is mounted on the support bracket member 22.
It has a disk shape having an outer diameter substantially equal to the inner diameter of the mounting projection 22e formed on the side light source mounting portion 22c, is connected to a circuit pattern, and a pair of conductive wire pins 31a are erected and the power cord 31b is connected. It is connected. Wiring board 31
Is assembled in the mounting projection 21e of the support bracket member 22. As shown in FIGS. 5 and 7, the power supply cord 31b is provided with a draw-out recess 22 cut out from a part of the mounting protrusion 21e.
And is connected to a power supply (not shown) along the substrate 22 a of the support bracket member 22.

The light source unit 5 does not affect the color imaging of the cinema film 100 by the CCD camera 19, has relatively low power consumption, a small amount of heat generation, has a long life, is inexpensive, is small, and has a predetermined illuminance. A white light emitting element 32 capable of illuminating the movie film 100 is used. The light emitting element 32 is electrically connected to and attached to the tip of the conductive pin 31 a of the wiring board 31. Of course, the light source unit 5 is not limited to the white light emitting element 32, and may use an appropriate white light emitting source such as a cold cathode fluorescent tube or electroluminescence.

When the light emitting element 32 is fitted in the mounting projection 21e of the support bracket member 22, the light emitting element 32 is turned to the opposite side to the movie film 100 as shown in FIGS. Assembled. Light source 5
By arranging the light emitting elements 32 constituting the point light source in this manner, the configuration of the lamp house 33 described later makes it possible to uniformly illuminate the cinema film 100 and to make the image captured by the CCD camera 19 unclear. To prevent.

The lamp house 33 has a light diffusing structure for partially illuminating the cinema film 100 by using the light emitting elements 32 constituting a point light source to prevent an image picked up by the CCD camera 19 from being unclear. are doing. The lamp house 33 includes a lamp house body 34, a reflecting member 35 mounted inside the lamp house body 34, a light diffusing plate 36, and the like. Lamp House 33
Illuminates the cinema film 100 uniformly by constituting the principle structure of the integrating sphere by the above-mentioned constituent members.

The lamp house main body 34 is formed of a synthetic resin material having a light-shielding property into a bottomed cylindrical shape.
The illumination opening 34a is formed in a part of the outer peripheral side surface. In the lamp house main body 34, an engagement protruding edge 34 b is provided on the inner surface of the opening edge of the bottom surface over the entire circumference. In addition, the lamp house main body 34 can be manufactured by suitably using, for example, a light-weight and light-shielding plastic case for a photographic film cartridge.

As shown in FIG. 7, the lamp house body 34 is mounted on the mounting projection 22e of the support bracket member 22 by engaging the engagement projection 34b with the undercut recess 22f. In this case, the lamp house main body 34 is mounted on the mounting projection 22e with the illumination opening 34a facing the projection film 100, in other words, the camera unit 4. The light emitting element 32 is directed toward the inner peripheral wall surface facing the illumination opening 34a in the lamp house main body 34.

The reflection member 35 is provided on the inner peripheral wall surface of the lamp house main body 34 except for the illumination opening 34a, so as to impart light diffusion characteristics and reflection characteristics. Reflecting member 35
Is a lightweight and thin TFT liquid crystal display (TF
Reflection paper used for T: Thin Film Transistor (Thin Film Transistor) is suitably used, and is adhered to the inner peripheral wall surface of the lamp house body 34. The reflecting member 35 is a light emitting element 32
While being diffused, the light is reflected by the illumination aperture 34a. The reflecting member 35 is not limited to being attached to the entire inner peripheral wall surface of the lamp house main body 34, but may be attached to at least a portion facing the illumination opening 34a.

An illumination opening 34 is provided in the lamp house main body 34.
The light diffusing plate 36 is attached by closing a. The light diffusion plate 36 is made of, for example, frosted glass, opal glass, milky white acrylic resin plate, or another resin plate, and imparts a semi-transmissive property and a light diffusion property to the illumination opening 34a. The light diffusing plate 36 receives the light emitted from the light emitting element 32 diffusely reflected by the reflecting member 35, and further diffuses and emits the light to illuminate the back surface of the movie film 100 in a uniform state.

The lamp house 33 stores the movie film 100
The entire area in the width direction is illuminated. The lamp house 33 has a lighting opening 34a formed in the lamp house body 34 for this purpose.
However, it is cut out to a width of about 20 mm and a height of about 40 mm.

The light source unit 5 configured as described above is used to prevent the occurrence of inconveniences such as rubbing the surface of the cinema film 100 which is driven and running as shown in FIG. It is attached to the support bracket member 22 while maintaining a non-contact state with respect to 100. On the other hand, it is preferable that the light source unit 5 is disposed close to the movie film 100 in order to efficiently illuminate the movie film 100. Therefore, the light source unit 5 is about 5 m
m to about 15 mm, ideally about 10 mm.

The light source unit 5 includes the light emitting element 32 as described above.
Although the power is supplied via the power cord 31b, the power may be supplied by mounting a battery on the wiring board 31, for example, because the power consumption is relatively small. The light source unit 5 includes the imaging unit 3 integrated with the camera unit 4 using the support bracket member 22 as an attachment member.
, But may be configured independently. In this case, the light source unit 5 is bonded and fixed on the table 9 of the inspection panel 2 with a double-sided adhesive tape, an adhesive or the like using the wiring board 31 as an attachment member.

In the light source section 5, the light-emitting element 32 is turned on and off in conjunction with the running operation of the movie film 100. The light source unit 5 drives the light emitting element 32 to light up when the imaging operation is performed by the camera unit 4 while holding the cinema film 100 in a stationary state.
0 illumination is performed. Further, the light source unit 5 enlarges and displays the image captured by the camera unit 4 on the second monitor 7,
When the worker confirms the captured image and checks the recording state of each digital sound signal or analog sound signal, and the movie film 100 is re-run, the light emitting element 32 is turned off.

The light source unit 5 is configured to reduce power consumption by controlling the light emitting element 32 to be turned on only when necessary as described above to illuminate the cinema film 100. . Of course, since the light source unit 5 uses the low power consumption type light emitting element 32 as the light source,
The lighting state may be maintained from the time of setting the movie film 100 to the end of the inspection.

The inspection process of the cinema film 100 using the inspection apparatus 1 configured as described above will be described below in detail with reference to FIG. The inspection apparatus 1 is loaded with a cinema film 100 manufactured through a predetermined printing process, and records the state of the image recorded in the video recording area 102 and the analog sound signal recorded in the analog sound recording area 105. The recording status is checked. The inspection apparatus 1 was simultaneously recorded in the Dolby SRD recorded in the digital sound recording area 107, the SDDS recorded in the second digital sound recording area 109 and the third digital sound recording area 110, and the time code recording area 111. The recorded state of the time code signal is visually inspected.

The first step of the inspection process of the movie film 100 using the inspection apparatus 1 is the movie film setting process (s-1) of setting the movie film 100 on the inspection board 2. The leading end of the movie film 100 is unwound from the unwinding roll 10 mounted on the drive shaft 10a, and is wound on the tension roller 13, the guide roller 14 and the sprocket 15 constituting the film traveling guide mechanism 12, and then the winding shaft 11b Is stopped by the take-up roll 11 attached to the. The movie film 100 has a film traveling guide mechanism 1
Imaging unit 3 and image projection unit 17 arranged in the middle of 2
And an analog sound reproducing unit 18.

In the inspection step, a cueing step (s-2) for exposing an area where a predetermined digital sound signal is recorded to the image pickup unit 3 is a second step. The movie film 100 is unwound from the unwinding roll 10 by driving the inspection board 2 from the set state. For example, the movie film 100 is stopped in a state where the first digital sound recording area 107 is positioned opposite to the imaging unit 3 and is held in a stationary state. You.

In the inspection step, the focus adjustment step (s-3) for adjusting the focus of the CCD camera 19 while the movie film 100 is stationary is a third step. CCD camera 19
Since the focus shift occurs due to the setting state of the movie film 100 with respect to the inspection board 2, the focus adjustment mechanism 29 performs an operation of focusing near the end of the movie film 100. Of course, CCD camera 19
Are supported by the camera support mechanism 20.
The focus adjustment may be performed by performing an adjustment operation of the mounting position with respect to 2.

In the inspection step, the motion picture film 10
The digital sound recording area 107 is imaged by the CCD camera 19 in the vicinity of the end of 0, and the captured image is enlarged and displayed on the second monitor 7, and the recording state of the Dolby SRD recorded in the digital sound recording area 107 by the operator. The first inspection step (s-4) for inspecting is referred to as a fourth step. When the movie film 100 is printed, the Dolby SR
When the position shift of D occurs, a part of the position shift is printed in the perforation 103 and is missing, so that it is easily visually recognized by the captured image enlarged by the operator's eyes. In the movie film 100, the operator can easily visually recognize the SDDS and the time code signal as well as the blur, density, uneven color tone, or the degree of resolution due to slippage during printing. Movie film 100
Is not only the recording state of each digital sound signal described above, but also the recording state of an analog sound signal.
It is easily visually recognized by the operator.

The inspection step is a first non-defective item judging step of judging whether or not the movie film 100 is non-defective or defective by confirming a recording state defect such as a digital sound signal or an analog sound signal in the first inspection step. (S-5) is referred to as a fifth step. In the inspection step, when a defective portion is found from the captured image, it is determined that the printing defect, the abnormality of the color tone and the density degree or the unevenness is continuously occurring as a whole, and the one-reel movie film 100 is detected. Is regarded as a defective product, an inspection end process (s-6) in which the subsequent inspection process is stopped and post-processing is performed is defined as a sixth process. In the inspection termination processing, an operation of rewinding the movie film 100 at a high speed, winding it up on the payout roll 10 and removing it from the inspection board 2 is performed.

The inspection step is a second inspection step (s-) in which the movie film 100 for which the non-defective judgment has been performed in the first non-defective judgment step is driven to inspect the image and the analog sound.
Step 7) is the seventh step. In the second inspection step, the image recorded in the image recording area 102 by the image projection unit 17 is continuously projected on the first monitor 6 while the movie film 100 is running, and the analog sound reproduction unit 1
8 reproduces an analog sound based on the analog sound signal recorded in the analog sound recording area 105 from the speaker 8 continuously.

In the inspection step, in the second inspection step, an image continuously projected on the first monitor 6 is visually recognized by the operator, and a sound output from the speaker 8 is listened to. The second non-defective item determining step (s-8) of determining whether the movie film 100 is a non-defective product or a non-defective product by confirming the defect described above is defined as an eighth process. In the inspection process, when an abnormality is confirmed in the image, the sound, and the like, the movie film 100 for one reel is regarded as a defective product, and the subsequent inspection processes are stopped in the same manner as the above-described inspection end process (s-6). The inspection end processing (s-9) of performing post-processing is referred to as a ninth step. Note that the movie film 100 is
The high-speed winding operation is performed according to the feeding amount from the feeding roll 1
It is performed on the 0 side or on the winding roll 11 side.

In the inspection step, the digital sound recording area 107, which is performed in the same manner as the above-described first inspection step, is performed when the movie film 100, for which the non-defectiveness determination is performed in the second non-defectiveness determination step, reaches near the end. Third inspection step (s-1) for inspecting the recorded state of the recorded Dolby SRD
0) is the tenth step. In the third inspection step, the movie film 100 is stopped and brought into a stationary state, and the vicinity of the end of the movie film 100 in the stationary state is imaged by the CCD camera 19 in the digital sound recording area 107 and the image is taken as a second image. Is enlarged and displayed on the monitor 7. In the third inspection step, the recording state of the Dolby SRD recorded in the digital sound recording area 107 is visually inspected by an operator.

The inspection step is a third non-defective item judging step of judging whether or not the movie film 100 is non-defective or defective by confirming a recording state defect such as a digital sound signal or an analog sound signal in the above-described third inspection step. (S-11)
Is the eleventh step. In the inspection step, when a defective portion is found from the captured image, it is determined that the printing defect, the abnormality of the color tone and the density degree or the unevenness is continuously occurring as a whole, and the one-reel movie film 100 is detected. Is a defective product, the subsequent inspection process is stopped, and post-processing is performed, and an inspection end process (s-12) is defined as a twelfth process. In the inspection termination processing, an operation of winding the movie film 100 around the winding roll 11 at high speed and removing the film from the inspection board 2 is performed.

The inspection step includes a winding step (s-13) in which the inspection board 2 is driven again and the film roll 100 is wound around the winding roll 11 for the movie film 100 for which the quality has been determined in the third quality determination step. This is the twelfth step. The inspection process includes the winding roll 11 having finished winding the movie film 100.
Is removed from the winding shaft 11a, and the entire process ends.

In the inspection process having the above-described processes, when a defective product is determined in the first inspection process or the second inspection process, the inspection is terminated at that point without performing the subsequent inspection. Therefore, in the inspection process,
There is no need to perform useless inspection, and the work efficiency is improved. In addition, in the inspection process, the imaging of the movie film 100 by the imaging unit 3 is performed in the first inspection process and the third inspection process. However, the present invention is not limited to this process. In the inspection process, the imaging inspection by the imaging unit 3 may be performed several times during the continuous inspection of the state of the image and the state of the analog sound.

The inspection apparatus 1 is mainly used for inspecting the print state of the movie film 100 as described above, but is not limited to such use. The inspection apparatus 1 is effectively used not only for the inspection of the recording state of the analog sound signal and the digital sound signal described above, but also for the inspection of the movie film 100 for scratches and dust attached thereto. The inspection apparatus 1 is also used, for example, in the case of a lash editing step performed before the image is recorded in the video recording area 102 and the analog sound signal or the digital sound signal is recorded in the production stage.

The movie film 100 has an analog sound recording area 105 and a second digital sound recording area 1.
09, etc., a footage number (film edge number) is recorded in advance. The movie film 100 can confirm the recording position of the shooting scene by confirming the footage number. The footage number has a pitch of approximately 0.5 feet and is composed of a total of 12 symbols consisting of two alphabets and two digits, followed by four digits through spaces and four digits through spaces.
Therefore, the footage number is very small, each character being about 2 mm square.

In the lash editing, as is well known, in order to make an image cut and photographed for each scene into a continuous video, processing such as appropriately cutting a video recording portion and pasting another video recording portion is performed. In lash editing, the cut-in point and the cut-out point of the video recording portion extracted from the photographic film are performed by confirming the footage number. When performing the lash editing process using the inspection panel 2, the inspection apparatus 1 captures an image of the above-described footage number recording area by the imaging unit 3 and monitors the monitor 6, 7.
By enlarging the display, the work efficiency of the lash editing process can be greatly improved.

[0091]

As described above in detail, according to the present invention, an image recorded on a cinema film is output by the image projection unit, projected on a monitor, and the state of image recording is visually inspected by an operator. In addition, a camera unit and a light source are provided on an inspection panel for outputting analog sound based on the analog sound signal recorded on the movie film by the analog sound reproducing unit from the speaker and inspecting the recording state of the analog sound signal based on the sound of the worker. The digital sound recording unit and the like recorded in the area near the side edge of the movie film are imaged, and the captured image is enlarged and displayed on a monitor, so that the operator can visually record the digital sound signal and the like. It is possible to inspect the state easily, with high accuracy, and efficiently. Therefore, according to the present invention, the inspection of the recording state of an image or an analog sound signal and the recording state of a fine digital sound signal are performed in a simultaneous step using an inspection panel, thereby improving the efficiency of the inspection step. At the same time, the handling of movie films for inspection is reduced, so that the occurrence of scratches and the like is suppressed.

Further, according to the camera device for a movie film inspection apparatus according to the present invention, the camera device is mounted on an inspection board for continuously inspecting the recording state of an image and an analog sound signal, and is recorded near a side end of the movie film. Since the digital sound recording section or analog sound recording section obtained is imaged and enlarged and displayed on a monitor, the recording state of the digital sound signal finely recorded in a minute area can be inspected with high accuracy and efficiency. Make it possible. The camera unit for movie film inspection equipment performs image-taking of the side edges of the movie film without contact, and also prevents the occurrence of scratches by reducing the movement and running operation of the movie film for the inspection process. High-quality movie films at low cost and with short delivery times.

Further, according to the light source device for a cinema film inspection apparatus according to the present invention, the digital sound recording unit or the analog sound recording unit recorded near the side edge of the cinema film is uniformly illuminated. These recording sections are imaged in a clear and favorable state by a solid-state imaging device camera. Therefore, according to the light source device for a cinema film inspection device, the recording state of a digital sound signal or the like finely recorded in a minute area is clearly and enlargedly displayed on a monitor, thereby achieving high precision and efficiency. Inspections can be performed.

[Brief description of the drawings]

FIG. 1 is a main part front view of a movie film inspection apparatus shown as an embodiment of the present invention.

FIG. 2 is an explanatory diagram of a movie film traveling system in the movie film inspection apparatus.

FIG. 3 is a perspective view of a main part showing an imaging unit provided in the movie film inspection apparatus.

FIG. 4 is a side view of the imaging unit.

FIG. 5 is an exploded perspective view of the imaging unit.

FIG. 6 is an essential part longitudinal cross sectional view for explaining a configuration of a lens unit of the solid-state imaging device camera provided in the imaging unit.

FIG. 7 is a vertical sectional view of an essential part for explaining a configuration of a light source device provided in the imaging unit.

FIG. 8 is an inspection process diagram using a movie film inspection device.

FIG. 9 is a front view of a main part of the movie film.

FIG. 10 is a main part front view showing details of a side end portion of the movie film.

[Explanation of symbols]

1 movie film inspection device, 2 inspection panel, 3 imaging unit, 4 camera unit, 5 light source unit, 6 first monitor,
7 second monitor, 8 speakers, 9 table, 10
Feeding roll, 11 take-up roll, 12 film running guide mechanism, 17 image projection section, 18 analog sound reproduction section, 19 CCD camera, 20 camera support mechanism,
21 holder member, 22 support bracket member, 24
Lens barrel, 25 aspherical single lens, 26 CCD imaging device, 32 light emitting device, 33 lamp house, 34 lamp house body, 35 reflecting member, 36 light diffusing plate, 10
0 movie film, 102 video recording area, 103, 1
04 perforation, 105 analog sound recording area, 107, 109, 110 digital sound recording area, 111 time code recording area

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2G051 AA41 AB11 CA03 CB02 CC09 CD07 DA06 EA21 5C022 BA07 5C054 AA01 AA06 CC02 HA05

Claims (31)

[Claims] 1. A movie film inspection apparatus comprising: at least a film traveling guide mechanism for traveling a movie film; and display means disposed in the middle of the film traveling guide mechanism for outputting an image recorded on the movie film. A solid-state imaging device camera that is arranged in the middle of the film traveling guide mechanism and captures an image of at least one end in the width direction of the movie film; and one side in the width direction of the movie film captured by the solid-state imaging device camera A movie film inspection apparatus comprising: a monitor for displaying a captured image near an end; and visually inspecting a recording state of information recorded near one end of the movie film using the captured image. 2. The digital sound recording device according to claim 1, wherein the movie film is imaged by the solid-state imaging device camera at least in a stationary state set in the film traveling guide mechanism, and the captured image is displayed on the monitor. 2. The motion picture film inspection apparatus according to claim 1, wherein a recording state of the recording section or the analog sound recording section is visually inspected. 3. A feeding roll for feeding the movie film and a winding roll for winding the film, the film running guide mechanism, and the movie film disposed in the middle of the film running guide mechanism and fed from the feeding roll. An inspection panel including an image projection unit that outputs an image recorded on the movie film; an analog sound reproduction unit that reproduces an analog sound signal recorded on the movie film; and a monitor that displays an image output from the image projection unit And a speaker that outputs an analog sound reproduced by the analog sound reproducing unit. The solid-state imaging device camera further comprises a digital sound recording unit or the analog sound recording unit recorded in an area near one end of the movie film. The sound recording unit is imaged and displayed on the monitor, and these digital sound Recording unit or a motion picture film inspecting apparatus according to claim 1, wherein the recording state of the recorded sound signal to visual inspection to analog sound recording unit. 4. The apparatus according to claim 3, further comprising a second monitor for enlarging and displaying a region near a side end of said movie film captured by said solid-state imaging device camera.
3. A movie film inspection apparatus according to claim 1. 5. The solid-state imaging device camera is supported on the inspection board by a supporting means so as to be adjustable in a direction of approaching / leaving and / or a width direction with respect to the movie film. Item 2. A movie film inspection apparatus according to Item 1. 6. The apparatus according to claim 1, wherein the solid-state image pickup device camera is disposed in the middle of the film traveling guide mechanism while being kept apart from the movie film by a support means. Movie film inspection equipment. 7. The movie according to claim 1, wherein the solid-state imaging device camera is provided with a focus adjustment mechanism, and focuses on a region near a side end of the movie film. Film inspection equipment. 8. The camera according to claim 1, wherein said solid-state imaging device camera has a focal length of 8.
a lens with a reduced aperture value in mm to increase the depth of field, and a basic distance from the tip of the lens barrel to the movie film is set to 32 mm and supported on the inspection board; 8. The cinema film inspection apparatus according to claim 7, wherein the focus adjustment is performed by the focus adjustment mechanism at least in a range of 30 mm to 34 mm with respect to the positional deviation. 9. The motion picture film inspection apparatus according to claim 1, wherein the solid-state imaging device camera is provided with an aspheric single lens having a large depth of field. 10. The movie according to claim 1, wherein a light source unit is arranged in the middle of the film traveling guide mechanism of the inspection board so as to face the solid-state imaging device camera with the movie film interposed therebetween. Film inspection equipment. 11. The cinema film according to claim 10, wherein the light source unit is disposed in the middle of the film traveling guide mechanism while being kept at a distance from the cinema film by a support means. Inspection equipment. 12. The apparatus according to claim 11, wherein the supporting means is formed integrally with the supporting means for supporting the solid-state imaging device camera on the inspection board while maintaining a space between the camera and the cinema film. 3. A movie film inspection apparatus according to claim 1. 13. The movie film inspection apparatus according to claim 10, wherein the light source irradiates the movie film with diffused light generated based on the principle of an integrating sphere. 14. The light source unit according to claim 10, wherein the light source unit comprises a light source mounted on a base, and a lamp house enclosing the light source and assembled to the base.
3. A movie film inspection apparatus according to claim 1. 15. The movie film inspection apparatus according to claim 14, wherein a light source that emits white light is used as the light source. 16. The cinema film inspection apparatus according to claim 15, wherein a white light emitting element is used as the light source for emitting white light. 17. The lamp house main body, wherein the lamp house is formed in a cylindrical shape by a light-shielding material, and an opening is formed on an outer peripheral side opposed to the movie film, and at least the opening of the lamp house main body. 15. The cinema film inspection apparatus according to claim 14, further comprising: a reflection member joined to an inner surface facing the light diffusion member; and a light diffusion plate fitted into the opening. 18. A film running guide mechanism for running at least a movie film, display means arranged in the middle of the film running guide mechanism for outputting an image recorded on the movie film, and at least a width direction of the movie film in a width direction. A cinema film inspection apparatus including a solid-state imaging device camera that captures an image in the vicinity of one end and a monitor that displays a captured image in the vicinity of one end in the width direction of the cinema film captured by the solid-state imaging device camera. A movie film setting step of setting the movie film on the film traveling guide mechanism, and at least one end in the width direction of the movie film by the solid-state imaging device camera in a stationary state in which the movie film is set. An imaging step of imaging the vicinity of the camera; and An inspection step of displaying on a monitor and visually inspecting a recording state of information recorded in a region near a side end portion. 19. A roll for feeding the movie film and a winding roll for winding the film, the film running guide mechanism, and the movie film disposed in the middle of the film running guide mechanism and fed from the feed roll. An inspection panel including an image projection unit that outputs an image recorded on the movie film; an analog sound reproduction unit that reproduces an analog sound signal recorded on the movie film; and a monitor that displays an image output from the image projection unit And a cinema film inspection device including a speaker that outputs analog sound reproduced by the analog sound reproduction unit. The cinema film is fed from the feed roll, and the image projection is performed via the film traveling guide mechanism. Unit, analog sound reproduction unit, and solid-state image sensor camera installation unit A step of setting the movie film to be set on the inspection board by being hung on the take-up roll, and in a stationary state in which the movie film is set on the inspection board, performing imaging by the solid-state imaging device camera. A first inspection step of displaying a captured image on the monitor and visually inspecting the recording state of the digital sound recording section or the analog sound recording section recorded in the area near the side end; and the first inspection step After performing the non-defective judgment in the above, until the movie film is unwound from the unwinding roll and wound up on the winding roll, the analog image is displayed together with the recording state of the image displayed on the monitor by the output of the image projection unit. A second method for continuously checking the recording state of an analog sound signal reproduced by a sound reproducing unit and output from a speaker. After the inspection of the recorded state of the image and the recorded state of the analog sound signal is completed through the inspection step and the second inspection step, and the non-defective item is determined, the cinema film is set to the stationary state and the solid-state imaging device camera is used. A third inspection step of taking an image, displaying the taken image on the monitor, and examining the recording state of the digital sound recording unit or the analog sound recording unit recorded in the area near the side end. 19. The method for inspecting a motion picture film according to claim 18, wherein: 20. A film traveling guide mechanism for moving a movie film, wherein said film traveling guide mechanism is provided on an inspection board provided with display means for outputting an image recorded on said movie film. The camera comprises a solid-state imaging device camera supported on the inspection board, which is adjustable in the direction of contact and / or separation and / or in the width direction while maintaining an interval with respect to the movie film by supporting means. A camera device for a cinema film inspection apparatus, wherein the camera image is taken at least in the vicinity of one end in the width direction. 21. An unwinding roll, a film running guide mechanism, a take-up roll, and an image projection arranged in the middle of the film running guide mechanism to output an image recorded on a movie film unwound from the unwinding roll. An inspection panel comprising: an analog sound reproduction unit that reproduces a recorded analog sound signal; a monitor that displays an image output from the image projection unit; and an analog sound reproduced by the analog sound reproduction unit. 21. The camera device for a movie film inspection device according to claim 20, wherein the camera device is used for a movie film inspection device having a speaker for outputting. 22. The camera device for a movie film inspection apparatus according to claim 20, wherein a focus mechanism is provided to focus on a region near one end in the width direction of the movie film. 23. A lens having a focal length of 8 mm, a small aperture value, and a large depth of field, a basic distance from the front end of the lens barrel to the movie film set to 32 mm, and an inspection panel by the support means. 21. The camera for a movie film inspection apparatus according to claim 20, wherein a focus adjustment is performed by the focus adjustment mechanism with respect to a positional shift of the movie film in a range of at least 30 mm to 34 mm. apparatus. 24. The camera device for a movie film inspection apparatus according to claim 20, wherein the solid-state imaging device camera is provided with an aspheric single lens having a large depth of field. 25. An information recording section recorded at least at one end in the width direction of the movie film by a solid-state imaging device camera arranged in the middle of a running path of the movie film, and enlarged and displayed on a monitor. It is used in a movie film inspection device for inspecting the recording state of the information recording unit, and is constituted by a light source and a lamp house that seals the light source, and is disposed to face the solid-state imaging device camera with the movie film interposed therebetween. A light source device for a cinema film inspection apparatus, wherein the illuminated image area of the cinema film by the solid-state imaging device camera. 26. The light source device for a movie film inspection apparatus according to claim 25, wherein the light source device is supported on the inspection board in a state where a distance from the movie film is maintained by a support means. 27. The supporting means, wherein the supporting means is formed integrally with the supporting means for supporting the solid-state imaging device camera on the inspection board while keeping a space between the camera and the cinema film. 27. The light source device for a movie film inspection device according to 26. 28. The light source device for a cinema film inspection apparatus according to claim 25, wherein diffuse light is generated based on the principle of an integrating sphere, and the cine film is irradiated with the diffuse light. 29. The light source device according to claim 25, wherein a light source emitting white light is used as the light source. 30. The light source device for a movie film inspection apparatus according to claim 29, wherein a white light emitting element is used as the light source for emitting white light. 31. A lamp house body in which the lamp house is formed in a cylindrical shape by a light-shielding material and an opening is formed on an outer peripheral side surface facing the movie film, and at least the opening of the lamp house body. 26. The light source device for a cinema film inspection device according to claim 25, further comprising: a reflection member joined to an inner surface facing the light diffusion plate; and a light diffusion plate fitted in the opening.