JP3712016B2 - Entry / exit lid structure for film cartridge of film observation device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a film cartridge loading / unloading lid structure for a film observation apparatus, and more particularly to a film cartridge applied to a film observation apparatus such as a film viewer or a film image processing apparatus for pulling out and observing a film stored in the cartridge. The present invention relates to a doorway structure.
[0002]
[Prior art]
Recently, an APS (Advanced Photo System) system has been proposed in which a film is stored in a cartridge without being divided, and the cartridge is returned to a user from a DPE dealer together with a printed photograph. With a film returned in such a form, it is impossible to observe the frame image through the negative sheath as in the conventional case when requesting the additional printing of the printed photograph. Therefore, the applicant of the present application draws the film from the cartridge and displays the frame image. We have proposed film observation devices such as a film viewer and a film image processing device that can be observed.
[0003]
In such a film observation apparatus, a film observation unit is installed in a main body case of the film observation apparatus, and an operation panel on which a plurality of operation buttons are formed is attached to the front surface of the main body case.
The film observation unit includes a cartridge storage unit, a film supply unit that supplies a film of the cartridge stored in the cartridge storage unit, a film winding unit that winds up the supplied film, a film supply unit, and a film winding unit. An opening for exposing a frame image of the film, and an image light of the frame image located in the opening for an observation window (in the case of a film viewer), or a solid-state image sensor (of the film image processing apparatus) And an optical system leading to the case).
[0004]
The cartridge storage portion is provided with a cartridge entry / exit lid. The loading / unloading lid is formed in a complicated shape, and includes a pin for detecting an unexposed display portion of the cartridge, a pin for engaging with the spool of the cartridge, and the like. The position of the operation panel corresponding to the loading / unloading lid is opened so that the cartridge can be loaded and unloaded.
[0005]
[Problems to be solved by the invention]
As described above, in the film observation unit of the film observation apparatus, since the complicatedly shaped entrance / exit cover provided in the cartridge housing portion is exposed from the opening of the operation panel, it is necessary to apply a decorative plate to this. .
However, when a decorative plate is attached to the entrance / exit lid, there is a drawback in that a sense of unity between the decorative plate and the surrounding operation panel cannot be maintained.
[0006]
The present invention has been made in view of such circumstances, and the film cartridge has a double lid structure with an inner lid provided on the film observation unit side and an outer lid provided on the operation panel side. An object of the present invention is to provide a film cartridge entrance / exit lid structure for a film observation apparatus that can be opened / closed by interlocking an inner lid and an outer lid.
[0007]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the present invention provides a cartridge storage portion for storing a cartridge on which a developed film is wound, and a cartridge storage portion that is opened and closed to the cartridge storage portion so that the cartridge can be opened. A film supply means having an inner lid to be taken in and out, a rotating shaft that is provided in the cartridge storage portion and engages with a spool of the cartridge stored in the cartridge storage portion, and a film supplied from the film supply means Film take-up means having a take-up shaft, an opening formed between the film supply means and the film take-up means to expose a frame image of the film, and a frame image positioned in the opening And an optical system for guiding the image light to an observation window or an imaging means. A film observation unit mounted inside, an operation panel attached to a front surface of a main body case of the film observation apparatus, and a plurality of operation buttons formed on the surface thereof; An outer lid of the film cartridge provided at a position corresponding to the inner lid of the film observation unit, and the inner lid and the outer lid are detachably engaged with each other for opening and closing the outer lid. It is characterized in that the inner lid is opened and closed in conjunction.
[0008]
According to the present invention, the inner lid is provided in the cartridge housing portion of the film observation unit, and the outer lid is provided on the operation panel, whereby the entrance / exit lid is configured in a double structure, and the inner lid and the outer lid are detachable. The inner lid opens and closes in conjunction with the opening and closing operation of the outer lid.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a film cartridge entrance / exit cover structure for a film observation apparatus according to the present invention will be described in detail below with reference to the accompanying drawings.
FIG. 1 is a perspective view showing an embodiment of a film viewer to which a film cartridge loading / unloading lid structure of a film observation apparatus according to the present invention is applied. 2 is an exploded perspective view of the film viewer shown in FIG.
[0010]
The main body case 12 of the film viewer 10 shown in these drawings is composed of an upper cover 14 whose lower part is opened, and a bottom plate 16 which is a lid of the lower opening part. The cartridge insertion portion 18 of the film viewer 10 is provided with a lid 20. The lid 20 is composed of an inner lid 22 and an outer lid 24. As shown in FIG. 2, the inner lid 22 is provided in a cartridge housing portion 28 of a film observation unit 26 so as to be opened and closed. As shown in FIG. 1, the outer lid 24 is provided on the upper surface opening 14 </ b> B of the upper cover 14 so as to be opened and closed. Further, the outer lid 24 is formed in a good-looking shape that is balanced in appearance with the upper cover 14. The inner lid 22 and the outer lid 24 are engaged so as to open and close in conjunction with each other. The connection structure between the inner lid 22 and the outer lid 24 will be described later.
[0011]
After the lid 20 is opened, the cartridge 30 is inserted into the cartridge storage portion 28 with the reference surface 34 orthogonal to the spool 32 as the head. When the cartridge 30 is inserted, a pop-up member (not shown) of a pop-up mechanism provided in the cartridge housing portion 28 is pushed down. When the lid 20 is closed after the cartridge 30 is inserted, the lid 20 is locked. Is done.
[0012]
The cartridge 30 accommodated in the accommodating portion 28 is of the type shown in FIG. 3, and all members such as the body portion 36, the spool 32, and the light shielding member 38 constituting the cartridge 30 are made of plastic. . The cartridge 30 is of a type in which the film 40 (see FIG. 4) is wound around the spool 32 to the tip, and the film 40 is sent out from the inlet / outlet 42 to the outside of the cartridge 30 by rotation of the spool 32 when used. .
[0013]
In FIG. 3, the end face (end face opposite to the reference face 34) 44 of the body portion 36 of the cartridge 30 has four types of different marks (indicating the use status of the film 40 stored in the cartridge 30). (Openings) 46, 48, 50, 52 are integrally formed concentrically at a predetermined interval. A white plate (not shown) located in any one of the openings 46 to 52 is provided inside the openings 46 to 52 so as to be rotatable around the spool 32. If the white plate is positioned at, for example, a circular opening 46, the opening 46 is displayed in white, and is identified from the cartridge 30 in which the unused film 40 is stored. If the white plate is positioned in the semicircular opening 48, the opening 48 is displayed in white and identified as a cartridge 30 being used halfway. If the white plate is positioned in the X-shaped opening 50, the opening 50 is displayed in white and identified from the cartridge 30 that has been photographed. When the white plate is positioned in the rectangular opening 52, the opening 52 is displayed in white and is distinguished from the developed cartridge 30 from the outside.
[0014]
In the film 40, as shown in FIG. 4, a perforation 56 indicating the end of the frame image 54 is formed for each frame on the upper portion outside the frame of the frame image 54, and a magnetic recording layer 58 is formed in the vicinity of the perforation 56. Has been. Further, a magnetic recording layer 58 is also formed on the lower part of the frame image 54 outside the frame. In the magnetic recording layers 58 and 58, information such as the shooting date / time, standard, high-definition, panoramic shooting size, shutter speed, F value, strobe ON / OFF, roll title, frame title, etc. of the frame image 54 is recorded. Magnetic recording.
[0015]
On the other hand, optical data 60 is formed in the upper part outside the frame of the frame image 54. The optical data 60 is a number indicating the frame number of the film 40. Further, optical data 62 is formed at the lower part of the frame image 54 outside the frame, and the optical data 62 is a number (for example, 400) indicating the ISO range of the film 40.
As shown in FIG. 3, the cartridge 30 is provided with a claw 64 on the end surface 44. The claw 64 indicates whether the film 40 stored in the cartridge 30 has been developed or not developed. If the claw 64 has been developed, it is folded and removed by a laboratory or the like and returned to the user.
[0016]
In FIG. 1 to FIG. 3, an observation window 66 is provided on the upper surface 14 </ b> A of the upper governor 14, and an operation panel 67 is provided in the vicinity of the observation window 66. The operation panel 67 is provided with an extraction switch 68, an information reading switch 70, a display changeover switch 72, a feed switch 74, and a return switch 76, and an LCD 78 is provided close to the operation panel 67.
[0017]
FIG. 5 is a block diagram showing the structure of the film observation unit 26 and the control system of the film viewer 10.
As shown in the figure, the cartridge housing portion 28 has a rotating shaft 80 that engages with the spool 32 of the cartridge 30, and is provided with a film supply mechanism that drives the rotating shaft 80 by a motor. A winding shaft 82 for winding the film 40 supplied from the film supply mechanism is provided at the opposing position. A gear 84 is fixed to the winding shaft 82, and the gear 84 is connected to a motor 88 via a clutch 86. The clutch 86 slides the gear 84 relative to the motor 88 when the torque applied to the gear 84 (that is, the winding torque of the film 40) exceeds a predetermined torque, and the film 40 is wound at a constant speed. The shaft 84 is wound around. Further, the driving force of the motor 88 is transmitted to a gear (not shown) of the rotary shaft 80 via a gear mechanism (not shown).
[0018]
The gear mechanism rotates the spool 32 to feed out the film 40 and transmits power to the rotary shaft 80 until the leading end of the film 40 is taken up by the take-up shaft 82. It is configured to transmit power only to the side. The gear mechanism transmits power only to the rotary shaft 80 when the film 40 is rewound into the cartridge 30.
[0019]
The motor 88 is driven by a drive signal from a motor driver 90, and the motor driver 90 is controlled by the CPU 92 in the direction and amount of rotation output to the motor 88. A command signal corresponding to the operation of each button from the operation panel 67 is output to the CPU 92. When the command signal is output, the CPU 92 controls the motor driver 90 so that the motor 88 performs an operation corresponding to the signal.
[0020]
By the way, the film 40 pulled out from the cartridge 30 is conveyed along the guide plate 94, passes through the opening for exposure 96, and is wound around the winding shaft 82 along the guide plate 98. A perforation sensor 100 is provided on the guide plate 94 side. The perforation sensor 100 detects the perforation 56 of the conveyed film 40 for each frame, and outputs an H level detection signal to the CPU 92 when it is detected. When the perforation sensor 100 detects the perforation 56, the frame image 54 in front of the frame image 54 is positioned at the exposure opening 96. A capstan roller 102 is disposed in the vicinity of the perforation sensor 100. The capstan roller 102 receives the rotational force from the motor 88, and the film 40 drawn from the cartridge 30 is conveyed at a constant speed by the rotational force of the capstan roller 102.
[0021]
An optical sensor 104 and a magnetic head 106 are arranged side by side on the guide plate 98. The optical sensor 104 reads optical data when optical data such as a bar code is recorded. The optical data is reproduced by the optical data reader 108 and stored in the RAM 110 of the CPU 92. . The magnetic head 106 reads magnetic information recorded on the magnetic recording layer 58 of the film 40, and the read information is reproduced by the magnetic information reproducing device 112 and stored in the RAM 110 of the CPU 92. Reference numeral 114 denotes a light source that irradiates the frame image 54 located in the exposure opening 96 from the base surface side. Reference numeral 116 denotes an alarm. The alarm 116 is controlled by the CPU 92 so that an electronic sound is generated when the rewinding of the film 40 into the cartridge 30 is completed or when the film 40 is abnormally conveyed. Information stored in the RAM 110 is read by the CPU 92 when necessary and displayed on the LCD 78 shown in FIG.
[0022]
As shown in FIG. 2, the image light of the frame image 54 illuminated by the light source 114 is reflected 90 ° upward by the reflection mirror 118, and the image is inverted, and the observation window is passed through the eyepieces 120 and 122. 66. Thereby, the frame image 54 can be observed from the observation window 66. In FIG. 2, reference numeral 124 denotes a lamp cover that is opened and closed when the light source 114 is replaced.
[0023]
Next, a connection structure between the inner lid 22 and the outer lid 24 shown in FIG. 1 will be described. As shown in FIG. 6, the inner lid 22 and the outer lid 24 are rectangular plastic plates, and the outer lid 24 is formed slightly larger than the inner lid 22.
The inner lid 22 is attached to the cartridge housing portion 28 so as to be freely opened and closed by engaging pins 130 and 130 formed at the base end portion with holes (not shown) of the cartridge housing portion 28 shown in FIG. The inner lid 22 is urged in the opening direction by the urging force of a spring 131 (see FIG. 9) provided between the inner lid 22 and the cartridge housing portion 28. Further, a pin 132 that is inserted into the spool 32 of the cartridge 30 when closed and a pin 134 that detects the presence or absence of the claw 64 of the cartridge 30 are juxtaposed on the lower surface of the inner lid 22. The pin 134 is urged in the protruding direction by the urging force of the spring 136 indicated by a dotted line in the figure. When the claw 64 is present, the pin 134 abuts on the claw 64 when closed and the film 40 of the cartridge 30 is not developed. Is to inform you.
[0024]
In addition, a pair of guide claws (guide members) 138 and 138 are formed at the tip of the upper surface of the inner lid 22. The guide claws 138 and 138 are formed to protrude toward the side of the inner lid 22.
On the other hand, the outer lid 24 is formed by engaging pins 140 and 140 (one side not shown) formed at the base end portion with a hole not shown in the upper cover opening 14B shown in FIG. It is attached to the cover 14 so that it can be opened and closed.
[0025]
A pair of elastic pieces 142 and 142 and a pair of guide plates (guide members) 144 and 144 formed in an L-shaped cross section are formed on the lower surface of the outer lid 22. The pair of elastic pieces 142 and 142 are formed at positions corresponding to the guide claws 138 and 138 of the inner lid 22, and when the elastic pieces 142 and 142 are pressed against the guide claws 138 and 138, an opening direction is generated by the pressing force. And is engaged with the guide claws 138 and 138 as shown in FIG. Thereby, the inner lid 22 and the outer lid 24 are engaged.
[0026]
In FIG. 6, the pair of guide plates 144 and 144 are formed on an extension line of the elastic pieces 142 and 142. The guide plate 144 has a sliding surface 144A of the guide claw 136 formed therein. When the inner lid 22 and the outer lid 24 are opened, the guide claws 138 and 138 are slid along the elastic pieces 142 and 142, and then the guide claws 138 and 138 are the sliding surfaces 144A of the guide plate 144. Slide along. Thereby, as shown in FIG. 7B, the inner lid 22 and the outer lid 24 are interlocked and opened. When the inner lid 22 and the outer lid 24 are closed, the guide claw 138 slides along the sliding surface 144A of the guide plate 144 and is positioned at the position of the elastic piece 142. As a result, as shown in FIG. 7A, the inner lid 22 and the outer lid 24 close together.
[0027]
As described above, according to the film cartridge loading / unloading cover structure of the present embodiment, the inner lid 22 is provided in the cartridge housing portion 28 of the film observation unit 26, and the outer lid 24 that is balanced in appearance with the operation panel is placed on the upper lid. By providing the cover 14 (operation panel), the entrance / exit lid 20 has a double structure, and the lids 22 and 24 are engaged by the guide claw 138 and the guide plate 144, so that they can be opened and closed in conjunction with each other. .
[0028]
In this embodiment, since the pin 134 for detecting the unexposed claw 64 of the cartridge 30 is provided on the inner lid 22, the number of parts of the outer lid 24 that cannot be used together with other observation devices can be reduced.
FIG. 8 is a perspective view showing a film image processing apparatus 150 to which the film cartridge loading / unloading cover structure of the film observation apparatus according to the present invention is applied, and a monitor TV 152.
[0029]
The film image processing device 150 takes a frame image of a film with a CCD, converts it into a video signal, and outputs it to a monitor TV 152. On the monitor TV 152, a desired frame image is selected and displayed by operating an operation button of the film image processing apparatus 150.
A film observation unit 26 (see FIG. 9) is provided in the main body case 154 of the film image processing apparatus 150. Since the film observation unit 26 has substantially the same structure as the film observation unit 26 shown in FIG. 2, a detailed description thereof will be omitted. However, a lens for imaging the image light of the frame image on the light receiving surface of the CCD is provided. Have.
[0030]
An operation panel 156 is attached to the front surface of the main body case 154. An outer cover 158 for inserting a film cartridge is attached to the surface of the operation panel 156 so as to be freely opened and closed. On the left side of the outer cover 158, a power switch 160, an eject switch 162, and a zoom switch 164, which are operation switches. , A menu selection switch 166, an execution switch 168, and a selection switch 170 are provided.
[0031]
FIG. 9 is a perspective view showing a state before connection of the inner lid 22 on the film observation unit 26 side and the outer lid 158 on the operation panel 156 side.
The outer lid 158 does not have the elastic piece 142 as compared with the outer lid 22 of the film viewer shown in FIG. 6, and only a pair of guide plates 172 and 172 are formed. When the guide claws 138 and 138 of the inner lid 22 are engaged with the sliding surfaces 172A and 172A of the pair of guide plates 172 and 172, as shown in FIG. 9, the operation panel 156 is removed from the film observation unit 26. The inner lid 22 and the outer lid 24 are both opened in a slightly separated state. Then, the operation panel 156 is slid in the direction indicated by the arrow in the figure (the direction in which the operation panel 156 is attached) with the inner lid 22 superimposed on the outer lid 158. As a result, the guide claws 138 and 138 and the guide plates 172 and 172 are engaged, and the inner lid 22 and the outer lid 158 are connected. Therefore, when the guide claws 138 and 138 and the guide plates 172 and 172 slide relative to each other, the inner lid 22 and the outer lid 158 open and close in conjunction with each other.
[0032]
Thus, also in the film cartridge loading / unloading lid structure of the film image processing apparatus 150, the inner lid 22 and the outer lid 158 can be opened and closed in conjunction with each other.
[0033]
【The invention's effect】
As described above, according to the film cartridge loading / unloading lid structure of the film observation apparatus according to the present invention, the inner lid is provided in the cartridge housing portion of the film observation unit, and the outer lid is provided in the operation panel. Constructed in a heavy structure, the inner lid and the outer lid are detachably engaged via the first guide member and the second guide member, and the engagement portions are relatively slid in the engaged state. Since it was formed, the inner lid and the outer lid can be opened and closed in conjunction with each other.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an embodiment of a film viewer to which a film cartridge loading / unloading lid structure of a film observation apparatus according to the present invention is applied.
FIG. 2 is an exploded perspective view of the film viewer shown in FIG.
FIG. 3 is a perspective view of a cartridge applied to the present invention.
FIG. 4 is an explanatory diagram of a cartridge and a film.
FIG. 5 is a block diagram showing a control system of the film viewer shown in FIG. 1;
6 is an assembly perspective view of a film cartridge cover applied to the film viewer of FIG. 1. FIG. 7 is an operation explanatory view of the cover shown in FIG. 6. FIG. 8 is a film of the film observation apparatus according to the present invention. FIG. 9 is a perspective view of a film image processing apparatus to which a cartridge loading / unloading cover structure is applied. FIG. 9 is an assembled perspective view of a film cartridge loading / unloading cover applied to the film image processing apparatus of FIG.
DESCRIPTION OF SYMBOLS 10 ... Film viewer 14 ... Upper cover 20 ... Cover 22 ... Inner cover 24, 158 ... Outer cover 26 ... Film observation unit 28 ... Cartridge storage part 30 ... Cartridge 40 ... Film 54 ... Frame image 138 ... Guide claw 144, 172 ... Guide plate 150 ... Film image processing device 156 ... Operation panel

Claims (1)

A cartridge storage portion for storing a cartridge on which the developed film is wound, an inner lid for opening and closing the cartridge storage portion so that the cartridge can be inserted into and removed from the cartridge storage portion, and the cartridge A film supply unit having a rotating shaft that is provided in the storage unit and engages with a spool of the cartridge stored in the cartridge storage unit, and a film winding unit that winds up the film supplied from the film supply unit Means, an opening formed between the film supply means and the film take-up means to expose the frame image of the film, and image light of the frame image located in the opening to the observation window or imaging means A film observation unit that is mounted in the main body case of the film observation apparatus. And the door,
An operation panel that is attached to the front surface of the main body case of the film observation apparatus and has a plurality of operation buttons formed on the surface thereof;
An outer lid of the film cartridge, which is attached to the operation panel so as to be freely opened and closed and provided at a position corresponding to the inner lid of the film observation unit,
A film cartridge entrance / exit lid structure for a film observation apparatus, wherein the inner lid and the outer lid are detachably engaged, and the inner lid is opened and closed in conjunction with an opening and closing operation of the outer lid.

Images