JPH11260051A - Recording/reproducing device and video camera - Google Patents

Abstract

PROBLEM TO BE SOLVED: To confirm a disc cartridge which is attached to its attachment position in a recording/reproducing device in which the disc cartridge is attached to the attachment position which is displaced in one side direction from the insertion hole. SOLUTION: A dust-proof door 21 which opens and shuts an insertion inlet 11 formed 11 in the disc device 8 of a video camerais provided. A prism 25 is attached to the door 21 so as to face the insertion inlet 11. The end surface 7a of a disc cartridge 7 attached to an attachment position P2 displaced from the insertion inlet 11 can be confirmed from the outside easily by utilizing the refraction of a light in the prism 25.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording medium such as a disk cartridge,
In the technical field of a recording / reproducing apparatus which is most suitable for being applied to a video camera which records and / or reproduces data on the recording medium, in particular, a method for externally confirming a mounted recording medium. It belongs to technology.

[0002]

2. Description of the Related Art Conventionally, in a recording / reproducing apparatus such as a video tape recorder or a disk device, a recording / reproducing apparatus has been used so that a recording medium such as a tape cassette or a disk cartridge mounted therein can be checked from the outside. A discriminating sensor installed inside determines whether or not the recording medium is installed, and displays the information on the indicator on the control panel. The method of taking in is adopted.

[0003]

However, the method of equipping the discrimination sensor and the indicator increases the cost due to an increase in the number of parts and the number of assembling steps. In addition, when an electric trouble occurs or the power is turned off, the recording medium is mounted. Confirmation becomes impossible, resulting in poor operability. In addition, in the method of providing the confirmation window on the exterior part, no mechanical parts can be arranged between the recording medium mounted inside and the confirmation window fitted on the exterior part. Would. Particularly, in the case of a double-sided optical disk capable of increasing the recording capacity, the optical pickup is easily interposed between the confirmation window and the disk cartridge because the optical pickup is disposed on both sides of the disk cartridge. It is difficult to select the installation location. Furthermore, in the general slot-in system for video tape recorders and disk devices, a tape cassette or disk cartridge is once drawn horizontally from the insertion slot to the insertion position, and then moved vertically from the insertion position to the mounting position for mounting. As
Since the tape cassette or disk cartridge is mounted at the mounting position that is deviated to one side with respect to the insertion slot, the tape cassette or disk cartridge mounted inside through the confirmation window fitted in the exterior part It is not easy to look directly at a recording medium.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and it is an object of the present invention to provide a recording / reproducing apparatus in which a recording medium is mounted at a mounting position deviated to one side with respect to an insertion slot. It is an object of the present invention to provide a recording / reproducing apparatus and a video camera which allow a recording medium mounted at a mounting position to be easily confirmed from outside.

[0005]

A recording / reproducing apparatus and a video camera according to the present invention for achieving the above object are mounted at a mounting position where a recording medium is deviated to one side with respect to an insertion slot. In the recording / reproducing apparatus, a recording medium confirmation window formed of a prism that enables confirmation of a recording medium mounted at a mounting position using refraction of light is attached to an exterior part.

In the recording / reproducing apparatus of the present invention having the above-described structure, the recording medium confirmation window made of a prism is attached to the exterior part, so that the recording / reproducing apparatus is attached to the attachment position deviated to one side from the insertion port. It is possible to easily confirm the recording medium that is used by utilizing the refraction of light by the prism.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a recording and reproducing apparatus in which the present invention is applied to a video camera will be described below with reference to the drawings.

"Overview of Video Camera" First, FIGS.
FIG. 13 explains the outline of the video camera 1. A camera body 4 is disposed at a rear portion of a photographing camera unit 3 including a photographing lens 2 and a color image pickup device (not shown). A battery 5 serving as a power supply is detachably mounted at a position deviated to one side at the rear of the camera body 4. And. A disk unit 8 which is an example of a recording / reproducing apparatus for recording and / or reproducing video information on the optical disk 6 by mounting a disk cartridge 7 which is a recording medium containing an optical disk 6 which is a disk in the camera body 4. Is built-in.

At the rear end of the exterior part 4a of the camera body 4 and on the lateral side of the battery 5, a vertical elongated member for inserting and ejecting the disk cartridge 7 from the directions of arrows a and b in a vertical posture. An insertion port 11 formed in a hole shape is formed. The disk device 8 incorporated in the camera body 4 has a vertical mechanical deck 12, and a vertical mechanical deck 12 is provided outside the mechanical deck 12.
Cartridge loading mechanism 1 having cartridge holder 13a with automatic cartridge retraction function
3. A spindle motor 14 having a disk table, an optical pickup 15, a cartridge positioning pin 16 and the like are mounted. Inside the mechanical deck 12, a vertical circuit board 17 on which circuits such as control and signal processing systems are mounted. Is incorporated. Then, the cartridge holder 13a of the cartridge loading mechanism 13 between the insertion position P ₁ facing the front in the insertion port 11 the insertion position P ₁ from the one side (the mechanical deck 12 side) offset has been mounted position P ₂ and the It is configured to be loaded and / or unloaded by parallel movement in the directions of arrows c and d. The insertion opening 11 is formed in the inner guide 18.

When the disc cartridge 7 is mounted, as shown in FIG. 11, the disc cartridge 7 is inserted in a vertical posture from the insertion slot 11 in the direction of arrow a, which is forward, and as shown in FIG. to the insertion position P ₁ in the holder 13a pull in the direction of arrow a. Then, after the cartridge is retracted, the cartridge holder 13a is loaded in the direction of arrow c by the cartridge loading mechanism 13, and as shown in FIG.
The disk cartridge 7 is mounted on the mounting position P ₂ and positioned by the plurality of cartridge positioning pins 16, and at the same time, the optical disk 6 is mounted on the disk table of the spindle motor 14. Then, while the optical disc 6 is rotated at a high speed by the spindle motor 14, the optical pickup 15 scans the optical disc 6 in the directions of arrows g and h along the radiation from the center, and video information captured by the camera unit 3. Can be simultaneously recorded and / or reproduced on the optical disc 6.

Next, the gist of the present invention will be described with reference to FIGS. 1 to 4 and FIGS. 8 to 13. First, at the rear end of the exterior part 4a of the camera body 4, an insertion port is provided. An opening 20 is formed behind the opening 11, and a dustproof door 21 that opens and closes the opening 20 to open and close the insertion opening 11 from outside is attached. The dustproof door 21 has a hinge mechanism 2 provided at an outer end thereof.
2, is attached to the exterior part 4a so as to be rotatable in the directions of arrows e and f. .

The dustproof door 21 has an insertion slot 1
An opening 24 is formed in the shape of a vertical elongated hole substantially opposed to 1. The opening 24 is formed of a transparent synthetic resin, glass, or the like, and has a horizontal wedge shape. The recording medium confirmation window 26 made of the prism 25 is fitted, and the prism 25 is attached to the dustproof door 21 by a mounting metal 27 made of sheet metal or the like so as to be pressed down from the rear side.

Therefore, according to the video camera 1 of the present invention, when the disk cartridge 7 is mounted in the disk device 8, first, as shown in FIG.
1 is opened in the direction of arrow e against the closing urging means 23 to open the opening 20 and open the outside of the insertion port 11.
As shown in 1 and 12, to insert the disc cartridge 7 from the insertion opening 11 into the insertion position P ₁ in the cartridge holder 13a from the direction of the arrow a and retract. And
By translating the cartridge holder 13a in an arrow c direction by the cartridge loading mechanism 13, as shown in FIG. 13, mounting the disc cartridge 7 to the mounting position P _2.

Then, since the disk cartridge 7 is displaced in the direction of arrow c from the insertion opening 11 and the insertion position P ₁ to the mounting position P ₂ , the rear of the disk cartridge 7 is inserted through the insertion opening 11 from outside the exterior part 4 a. The end face 7a, which is the end face, cannot be directly seen.

However, as shown in FIGS. 1 and 13, after the disc cartridge 7 is mounted at the mounting position, the dustproof door 21 is closed in the direction of arrow f by the closing urging means 23 or the like, and the dustproof door 21 is closed. When the outside of the insertion slot 11 is closed by 21, the dustproof property of the disk device 8 is ensured, and the recording medium confirmation window 26 faces the outside of the insertion slot 11 at the same time.

[0016] Since the recording medium confirmation window 26 is constituted by the prism 25, the recording medium for confirming the end surface 7a of the disc cartridge 7 is mounted to the mounting position P ₁ by utilizing the refraction of light It can be easily and clearly confirmed from the window 26 through the insertion opening 11.

FIGS. 2 to 4 explain the principle of seeing through the insertion opening 11 the end face 7a of the disk cartridge 7 by utilizing the refraction of light. the light F in the parallel plate-configured transparent plate 25a is transmitted linearly, confirming the insertion opening 11 and the insertion position P _1, the end surface 7a of the disc cartridge 7, which is displaced in the direction of arrow c Can not do at all.

However, since the wedge-shaped prism 25 shown in FIG. 3 refracts the light F to the refraction angle θ, when the object X is viewed through the prism 25 as shown in FIG. The object X existing at the position P ₂ displaced in the direction of the arrow c with respect to the prism 25 is confirmed as a virtual image as if it exists at the position P ₁ directly in front of the prism 25. Can be.

[0019] Thus, the video camera 1 of the present invention which utilizes this principle is actually mounted on the insertion opening 11 and the insertion position is displaced in the direction of arrow c from P ₁ attachment position P ₂ disc cartridge 7 Through the prism 25, the end surface 7a of the disc cartridge 7 is easily and detoured from the outer periphery as if the end surface 7a is in front of the prism 25, as if it were directly in front of the prism 25, and It can be clearly confirmed. Therefore, even if a double-sided optical disk is used as the optical disk 6 and the optical pickups 15 are disposed on both sides of the disk cartridge 7, the optical pickups 15 are bypassed so that the end surfaces 7 a
Can be easily and clearly confirmed.

[Description of Modification of the Present Invention] Next, FIGS. 5 and 6 show a modification of the video camera 1 according to the present invention. the end surface 7 of the disc cartridge 7 attached to the attachment position P ₂
a window 26 for recording medium confirmation, which is provided substantially in front of the door a and formed of a transparent plate 32 such as a parallel flat plate facing the small opening 31, is attached to the opening 33 of the dustproof door 21.
When the insertion opening 11 is closed by the
1, the end face 7a of the disk cartridge 7 can be viewed directly.

Further, FIG. 6 is attached to the opening 35 to form a recording medium confirmation window 26 consisting of a prism 34 to the exterior portion 4a, the mounting position P ₂ by using a plurality of refraction of light F by the prism 34 The end face 7a of the mounted disk cartridge 7 is detoured from the outer periphery thereof so that it can be easily checked.

As described above, the recording / reproducing apparatus and the video camera of the present invention are not limited to the above-described embodiments, and various changes can be made based on the technical concept of the present invention. For example, the present invention is not limited to the disk device 8 of the video camera 1, but can be applied to various recording / reproducing devices capable of recording and / or reproducing various recording media such as tape cassettes and disks. Various changes can be made to the shape and arrangement of the prism and the like.

[0023]

The recording / reproducing apparatus and the video camera according to the present invention configured as described above can provide the following effects.

According to the first aspect of the present invention, since the recording medium confirmation window made of a prism is mounted on the exterior part, the recording medium mounted at the mounting position deviated to one side from the insertion port can be used to transmit light by the prism. Since refraction can be easily checked, it is possible to reduce the number of parts and the number of assembly steps compared to those equipped with a discrimination sensor or indicator, and to reduce electrical costs. There is no inconvenience such as the inability to confirm the installation of the recording medium when a trouble occurs or when the power is turned off, and the installation of the recording medium can be immediately and immediately confirmed at any time, so that the operability is extremely high. In addition, since the mounting of the recording medium can be confirmed using the refraction of light by the prism, the recording medium mounted at the mounting position can be checked by bypassing the outer periphery thereof. ,
Even if optical pickups or the like are arranged on both sides of a disk cartridge or the like, the disk cartridge or the like can be easily checked. Then, by utilizing the refraction of light by the prism, the arrangement of the recording medium confirmation window with respect to the recording medium mounted on the mounting position can be appropriately set, so that the degree of freedom in design is large.

According to the second aspect of the present invention, since the transparent door for opening and closing the recording medium is provided with the transparent window for confirming the recording medium, the dustproof door can also serve as the mounting member for the window for confirming the recording medium. As a result, it is possible to ensure both the dustproofness of the recording / reproducing apparatus and the confirmation of the mounting of the recording medium.

According to a third aspect of the present invention, a recording medium confirmation window made of a prism is mounted on the dustproof door for opening and closing the recording medium insertion opening so as to face the insertion opening. The recording medium mounted at the mounting position can be easily and clearly confirmed by utilizing the refraction of light through the insertion opening.

According to a fourth aspect of the present invention, a disk in a disk cartridge is recorded and / or reproduced. Therefore, even in a disk device in which a double-sided optical disk is used and optical pickups are arranged on both sides of the disk cartridge, the disk device is mounted at the mounting position. The disc cartridge that has been set can be easily checked from outside by bypassing the optical pickup.

Since the fifth aspect of the present invention is applied to a video camera, it is necessary to prevent a double insertion of a disc cartridge or the like when performing quick replacement operation of a disc cartridge or the like during video shooting. Since it is possible to instantaneously check the mounting of the camera, high operability can be realized.

[Brief description of the drawings]

FIG. 1 is a partially cutaway plan view for explaining a gist of an embodiment of a recording / reproducing apparatus in which the present invention is applied to a video camera.

FIG. 2 is a view showing light traveling on a transparent plate made of a parallel plate for explaining the principle of the present invention.

FIG. 3 is a view showing light refraction by a prism for explaining the principle of the present invention.

FIG. 4 is a diagram illustrating a virtual image formed by a prism for explaining the principle of the present invention.

FIG. 5 is a partially cutaway plan view illustrating a first modified example of the present invention.

FIG. 6 is a partially cutaway plan view illustrating a second modified example of the present invention.

FIG. 7 is a side view and a rear view of the entire video camera.

FIG. 8 is a partially cutaway side view showing a disk device portion of the video camera.

FIG. 9 is a partially cutaway rear view of FIG. 8;

FIG. 10 is a partially cutaway side view showing a dustproof door and the like of a disk device portion of the video camera, and an enlarged view of a main part.

11 is a partially cutaway side view in which the dustproof door of FIG. 10 is opened and a disc cartridge is inserted.

FIG. 12 is a partially cutaway side view showing a state after the disc cartridge of FIG. 11 is inserted.

13 is a partially cutaway side view showing a state after the disc cartridge of FIG. 12 is mounted and a dustproof door is closed.

[Explanation of symbols]

1 is a video camera as a recording / reproducing device, 4 is a camera body, 4a is an exterior part, 6 is an optical disk as a disk, 7
Is a disk cartridge as a recording medium, 7a is an end face of the disk cartridge, 8 is a disk device, 21 is a dustproof door, 25 is a prism, and 26 is a recording medium confirmation window.

Claims (5)

[Claims] 1. An insertion slot into which a recording medium is inserted from the outside, and a recording medium inserted from the insertion slot, which is arranged at a position deviated to one side with respect to the insertion position. A mounting position, which is attached to a part of the exterior portion at a position deviated from the mounting position, so that the recording medium mounted on the mounting portion can be confirmed using light refraction. A recording / reproducing apparatus comprising a recording medium confirmation window including a prism configured as described above. 2. A recording medium insertion slot, a dustproof door for opening and closing the insertion slot, and a transparent recording medium attached to the dustproof door so that a recording medium inserted into the inside from the insertion slot can be checked. A recording / reproducing apparatus comprising a medium confirmation window. 3. An insertion slot into which a recording medium is inserted from the outside, and a recording medium inserted from the insertion slot, which is arranged at a position deviated to one side with respect to the insertion slot. Mounting position, a dustproof door that opens and closes the insertion port, and a recording medium that is mounted at the mounting position using light refraction. A recording / reproducing apparatus comprising a recording medium confirmation window including a prism attached to the dustproof door. 4. The recording medium according to claim 1, wherein said recording medium comprises a disk cartridge containing a disk, and wherein said disk inserted and mounted by said disk cartridge is recorded and / or reproduced. The recording / reproducing apparatus according to claim 1 or claim 2 or claim 3. 5. A video camera comprising the recording / reproducing apparatus according to claim 1, 2 or 3.