JPH09115273A - Operation door for magnetic recording and reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an operation door for a magnetic recording and reproducing device for long-time use, capable of surely pressing a switch operating button, accurately manipulating a volume operating knob and being easily adjusted. SOLUTION: A projecting part is provided on the operation door 50 so as to position the surface of this operation door 50 to be positive in front of a front panel surface 35, and also a front operation surface 37 is shifted to the side of the front panel surface 35 in proportion to this projecting amt. A front operation part 40 for the operating button and the operating knob, etc., is constituted in the recessed space part of the operation door 50 formed by the projecting part, and the operational position C of the front operation part 40 when the operation door 50 is opened or closed is positioned slightly inward from the position A of the front panel surface 35.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic recording / reproducing apparatus, and more particularly to an operation door of a long-time magnetic recording / reproducing apparatus installed in a convenience store or the like for commercial use.

[0002]

2. Description of the Related Art Conventionally, in convenience stores and the like, a magnetic recording / reproducing apparatus capable of recording for a long time is installed in combination with a surveillance camera used for crime prevention surveillance for business use.

This magnetic recording / reproducing apparatus is particularly called a long-time magnetic recording / reproducing apparatus, and is different from a general household magnetic recording / reproducing apparatus in a method of recording on a magnetic tape, and the apparatus is installed on a shelf. It is usually installed in a warehouse or an office that is not visible to the outside, such as being placed on the top or where people other than the parties concerned cannot enter.

Further, the long-time magnetic recording / reproducing apparatus simplifies the basic operations mainly for exchanging the magnetic tape, recording on the magnetic tape and rewinding the magnetic tape, and the apparatus functions required for long-time recording for business use. So that you can easily set
The buttons on the front cabinet surface and the structure of the front cabinet are also devised.

For example, on the surface of the front cabinet of the long-time magnetic recording / reproducing apparatus, that is, on the front panel surface, the above-mentioned operation buttons and the tape cassette insertion / ejection door are arranged so that they can be easily operated. The knobs and the like are placed in the operation door provided at the lower part of the front cabinet in a space-saving manner with a small adjustment operation part.

FIG. 3 shows a conventional long-time magnetic recording / reproducing apparatus, FIG. 3a is a perspective view of the apparatus, and FIG. 3b is a front view of a front cabinet with the operation door of the apparatus removed. .

First, in FIG. 3A, reference numeral 10 is a device main body 2.
0, a front cabinet 60 and an operation door 80 for a long time magnetic recording / reproducing apparatus.

Further, the front cabinet 60 has a display 61 for displaying the operation state of the apparatus main body 20, a tape cassette insertion / removal door 62, a recording button 63, a tape rewind button 64, and the like, which are usually used operation buttons. Are arranged so as to be exposed on the front panel surface 65 in a layout peculiar to the long-time magnetic recording / reproducing apparatus.

Reference numeral 63a is an indicator that lights up when the recording button 63 is pressed to indicate that the apparatus main body 20 is recording, and 64a lights when the tape rewind button 64 is pressed. 20 is an indicator for displaying that the tape is being rewound.

An operation door 80 is rotatably engaged with the lower portion of the front cabinet 60, and a front operation portion 70 covered with the operation door 80 is provided as shown in FIG. 3b. The front operation unit 70 is provided with operation buttons similar to various operation buttons provided in a normal magnetic recording / reproducing apparatus.

Incidentally, FIG. 3b is a schematic view showing the operation buttons and operation knobs arranged on the front operation unit 70.
A description of the functions and names of these operation buttons and operation knobs will be omitted.

Next, FIG. 4 shows a conventional long-time magnetic recording / reproducing apparatus, and FIG. 4a is a side sectional view of a front cabinet for explaining a front operation section in a closed state with an operation door of the apparatus closed. FIG. 4b is a side sectional view of the front cabinet for explaining the operation position of the front operation unit in the open state with the operation door of the device opened.

The relationship between the operation door 80 and the front operation unit 70 will be described with reference to FIG. 4a.

The operation door 80 is generally formed in a substantially L shape, and in a closed state with the operation door 80 closed, the operation door 80 is formed in a substantially L shape so that its surface is substantially flush with the front panel surface 65. One end of the edge portion abuts on a step portion 60a formed on the front cabinet 60, and the other end of the edge portion is on the front cabinet 60.
Ribs 60c extending from the bottom surface 60b of the recess formed in the
Engages with the engaging portion 60d.

By this engagement, the operation door 80 is
It is freely rotated about the other end of the substantially L-shaped edge as a fulcrum, and is attached to the lower part of the front cabinet 60.

Also, the bottom surface 60b of the front cabinet 60
Through holes 60e and 60f are formed in the through hole, and a display plate 66 provided with through holes 66a and 66b at positions corresponding to the through holes 60e and 60f is attached.
The front operation surface 67 is formed at 0b.

The display plate 66 is for displaying the push button switch 21 and the adjusting volume 22 in an identifying manner, and is a normal decorative plate on which the function, name, etc. are printed.

A printed circuit board 23 to which a push button switch 21, an adjusting volume 22 and the like are soldered is provided behind the front operation surface 67.

Then, the through holes 66a and 6 of the display plate 66 are provided.
From 6b, the adjustment operation parts such as the switch operation button 21a of the push button switch 21 and the volume operation knob 22b of the adjustment volume 22 are exposed.

Reference numeral 25 in the drawing denotes a cassette insertion / ejection door which opens and closes in response to an operation of inserting / extracting a tape cassette by a mechanism formed in a magnetic recording / reproducing apparatus (not shown).

Next, referring to FIG. 4b, the front panel surface 65
And the operation position of the front operation unit 70 will be described.

FIG. 4b shows the operation door 8 of the front cabinet 60.
The open state in which 0 is opened is shown.

The front operation section 70 for adjusting the switch operation button 21a, the volume operation knob 22a and the like with fingers is set in a recessed space formed in the front cabinet 60.

The operation positions of the adjustment operation parts such as the switch operation button 21a and the volume operation knob 22a which are exposed to the front operation part 70 are located at a position B closer to the front operation surface 67 than the position A on the front panel surface 65. Is set to.

The position B'indicates a pressing position when the switch operation button 21a is pressed by a finger.

As described above, the operation door provided in the magnetic recording / reproducing apparatus for a long time is usually provided in the front cabinet so as to be flush with the front panel surface so as not to hinder the operator. Then, front operation parts such as operation buttons and operation knobs that are exposed in the recessed space formed in the front cabinet are set. Further, the operation position of the front operation section is located closer to the front operation surface in the back than the front panel surface.

Therefore, when the push button switch, the adjusting volume and the like which are conventionally arranged in the recessed space of the front cabinet are adjusted and operated, the switch operation button is caused by the recessed space being narrow and the operating position being at the back. However, there is a drawback that the adjustment operation is not easy because an erroneous operation of pressing the button and an erroneous adjustment due to the difficulty in gripping the volume operation knob occur.

Further, in the adjustment operation, the identification display such as the push button switch and the adjustment volume may be out of the operator's view due to the step between the front panel surface and the front operation surface depending on the installation location of the device. There is a defect that the identification display is difficult to see from the operator's operation position and it is difficult to confirm and perform the adjustment operation.

[0029]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned drawbacks, and it is possible to surely press the switch operation button and to accurately grasp and adjust the volume operation knob. Provided is a long-time magnetic recording / reproducing apparatus operation door which is easy to operate.

Further, there is provided an operation door of a long-time magnetic recording / reproducing apparatus in which the identification display of the push button switch, the adjusting volume and the like can be easily seen from the operation position of the operator.

[0031]

In order to achieve the above object, the present invention provides an operation button and an operation button in a front panel surface of a front cabinet and a recessed space formed in a lower portion of the front cabinet and deeper than the front panel surface. In a magnetic recording / reproducing apparatus comprising a front operation surface having an operation position such as a knob, and provided rotatably to cover the front operation surface, the front surface of the operation door is in front of the front panel surface. The operation door is provided with a protrusion so that the front operation surface is moved to the front panel surface side according to the protrusion amount, and the operation button is formed in the recessed space of the operation door formed by the protrusion. And the front operation part such as operation knob,
The operation position of the front operation unit when the operation door is opened is positioned slightly behind the front panel surface.

Further, the operation position of the front operation section is characterized in that a small operation button, an operation knob, etc. of an adjustment operation portion protruding from the front operation surface are adjusted by fingers.

Further, the operating position of the front operating section is characterized in that it is slightly behind the front panel surface located substantially in the middle of the front operating surface and the front panel surface.

[0034]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

1 and 2 both show a long-time magnetic recording / reproducing apparatus of the present embodiment, FIG. 1a is a perspective view of the apparatus, and FIG. 1b is a front cabinet in which the operation door of the apparatus is removed. FIG. 2a is a side sectional view of the front cabinet for explaining the front operation part in a closed state with the operation door of the device closed, and FIG. 2b is a front operation part in the open state with the operation door of the device open. FIG. 3 is a side sectional view of the front cabinet for explaining the operating position of FIG.

The same parts as those shown in FIGS. 3 and 4 described in the conventional example are designated by the same reference numerals and the description thereof will be omitted.

First, in FIG. 1a, an operation door 50 is rotatably engaged with a lower portion of the front cabinet 30, and a front operation portion 40 covered by the operation door 50 is provided as shown in FIG. 1b. And this front operation part 4
As in the conventional example, 0 is provided with operation buttons similar to various operation buttons provided in a normal magnetic recording / reproducing apparatus.

Next, the relationship between the operation door 50 and the front operation unit 40 will be described with reference to FIG. 2a.

The operation door 50 of the present embodiment is in a closed state with the operation door closed, and the surface of the operation door is the front cabinet 30.
A protruding portion that protrudes in a substantially U-shape is formed so as to be located in front of the front panel surface 35 of the. And the operation door 50
Is configured such that one end of a substantially U-shaped edge portion abuts a step portion 30a formed on the front cabinet 30, and the other end of the edge portion is a rib 30c extending from a bottom surface 30b formed on the front cabinet 30. Engages with the engaging portion 30d.

By this engagement, the operation door 50
Is freely pivotable with the other end of the substantially U-shaped edge as a fulcrum, and is attached to the lower portion of the front cabinet 30.

Further, the bottom surface 30b of the front cabinet 30
The display plate 36 having the through holes 30e and 30f and the through holes 36a and 36b at the positions corresponding to the through holes 30e and 30f is attached, and the bottom surface 3
The front operation surface 37 is formed at 0b.

The front operating surface 37 is formed in accordance with the amount of protrusion of the substantially U-shaped protruding portion formed on the operating door 50.
7 is formed in the front cabinet 30 at a position where it is moved to the front on the front panel surface 35 side.

Then, the through holes 36a and 3 of the display plate 36 are provided.
From 6b, the adjustment operation parts such as the switch operation button 21a of the push button switch 21 and the volume operation knob 22b of the adjustment volume 22 are exposed.

That is, as shown in FIG. 2b, the push button switch 2
The front operation unit 40 for adjusting and adjusting the control valve 1, the adjustment volume 22 and the like with fingers is set in a recessed space formed mainly on the back surface of the operation door 50 formed in a substantially U shape.

The operation positions of the adjustment operation parts such as the switch operation button 21a and the volume operation knob 22a which are exposed on the front operation surface 37 are set substantially in the middle between the front operation surface 37 and the front panel surface 35. The position C is set to a position C near the front panel surface 35, which is slightly behind the position A.

The position C'indicates a pressing position when the switch operating button 21a is pressed by a finger.

Therefore, since the operation position of the front operation portion is located approximately in the middle between the front operation surface and the front panel surface, when the operation door is opened and the push button switch, the adjustment volume, etc. are adjusted, the switch is operated. The pressing operation of the operation button can be reliably performed, and the volume operation knob can be accurately grasped and easily adjusted.

Further, in the adjustment operation, since the front operation surface is located at a step which is slightly deeper than the front panel surface, the identification display of the push button switch, the adjustment volume and the like is easy to see from the operation position of the operator. In addition, the operator can perform the adjustment operation while checking the identification display.

[0049]

As described above, according to the present invention, the operation buttons and the operation are provided in the front panel surface 35 of the front cabinet 30 and the recessed space formed in the lower portion of the front cabinet 30 at the back of the front panel surface 35. In a magnetic recording / reproducing apparatus comprising a front operation surface 37 having an operation position such as a knob and rotatably provided to cover the front operation surface, the front surface of the operation door 50 is the front panel. The operation door is provided with a protrusion so as to be positioned in front of the surface 35, and the front operation surface 37 is moved to the front panel surface 35 side according to the protrusion amount, and the operation door is formed by the protrusion. A front operation portion 40 such as an operation button and an operation knob is formed in the recessed space of 50, and the operation position C of the front operation portion 40 when the operation door 50 is opened is set to the front panel surface 35. Since so as to be positioned slightly deeper than the position A, adjusted during the operation, the pressing operation of the switch operation button can be reliably, the volume control knob can be adjusted and can be gripped precisely and easily.

The operation position C of the front operation unit 40
Is a position for adjusting a small operation button, an operation knob, etc., of an adjustment operation portion protruding from the front operation surface 37 with fingers, and is located approximately in the middle between the front operation surface 37 and the front panel surface 35. Therefore, the identification display of the push button switch, the adjustment volume, etc. is displayed at a shallow position based on the step between the front panel surface and the front operation surface, so that the operator's visual field is kept. Further, the identification display can be easily seen from the operation position of the operator, and the operator can perform the adjustment operation while checking the identification display.

[Brief description of the drawings]

FIG. 1 shows a long-time magnetic recording / reproducing apparatus according to an embodiment, FIG. 1a is a perspective view of the apparatus, and FIG. 1b is a front view of a front cabinet with an operation door of the apparatus removed.

FIG. 2 is a side sectional view of a front cabinet for explaining a front operation unit in a closed state with an operation door of the device shown in FIG. It is a side sectional view of a front cabinet explaining an operation position of a front operation part in an opened state with an operation door of the device opened.

FIG. 3 shows a conventional long-time magnetic recording / reproducing apparatus, FIG. 3a is a perspective view of the apparatus, and FIG. 3b is a front view of a front cabinet with the operation door of the apparatus removed.

FIG. 4 shows a conventional long-time magnetic recording / reproducing apparatus, and FIG. 4a is a side sectional view of a front cabinet for explaining a front operation section in a closed state in which an operation door of the apparatus is closed, and FIG. It is a side sectional view of a front cabinet explaining an operation position of a front operation part in an opened state with an operation door of the device opened.

[Explanation of symbols]

 30 front cabinet 35 front panel surface 37 front operation surface 40 front operation portion 50 operation door A front panel surface position C operation position C'press position

Claims (3)

[Claims] 1. A front panel surface of a front cabinet, and a front operation surface having an operation position such as an operation button and an operation knob in a recessed space formed in a lower portion of the front cabinet and deeper than the front panel surface, In a magnetic recording / reproducing apparatus including an operation door rotatably provided to cover the front operation surface, a protrusion is provided on the operation door so that a surface of the operation door is located in front of the front panel surface, The front operation surface is moved to the front panel surface side according to the protrusion amount, and a front operation portion such as an operation button and an operation knob is configured in a recessed space of the operation door formed by the protrusion, An operation door of a magnetic recording / reproducing apparatus, wherein an operation position of the front operation unit when the door is opened is positioned slightly behind the front panel surface. 2. The operation position of the front operation unit is a position where a small operation button, an operation knob, etc. of an adjustment operation portion protruding from the front operation surface are adjusted by fingers. Operation door of the magnetic recording / reproducing apparatus described in. 3. The operation position of the front operation section is slightly behind the front panel surface located substantially in the middle between the front operation surface and the front panel surface. Operation door of magnetic recording / reproducing device.