JPH10319945A - Lighting equipment for keyboard instruments - Google Patents

Abstract

(57) [Problem] To provide an illuminating device for a keyboard instrument which can illuminate a keyboard portion efficiently and in a state suitable for playing, and which can be arranged in a good-looking and unobtrusive manner. A keyboard instrument has a keyboard cover for opening and closing a keyboard portion on which a keyboard is arranged, and a lighting device is attached to a back surface of the keyboard cover when the keyboard cover is in an open state. Illuminating means 3 and 4 for illuminating keyboard portion 7 with a predetermined brightness
Is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device for illuminating a keyboard portion of a keyboard instrument such as an upright piano.

[0002]

2. Description of the Related Art In general, a keyboard instrument performs a performance by depressing a key with a keyboard cover opened.
For example, in practice or performance at night or the like, if the location of the keyboard instrument is not sufficiently illuminated, the keyboard section (keyboard, player's hand, etc.) is difficult to see because the keyboard instrument is not provided with a lighting function in advance. It can be difficult to play. For this reason, in a conventional keyboard instrument, a keyboard unit is illuminated using a lighting fixture such as a commercially available stand.

[0003]

According to the above-mentioned conventional keyboard musical instrument, it is preferable to install a lighting device as close to the keyboard as possible in order to illuminate the keyboard brightly. However, since a place where a commercially available lighting fixture is installed is not provided in advance near the keyboard, it can be installed only in a place away from the keyboard. For this reason, there is a problem that the light reaching the keyboard part is weakened, and illumination cannot be performed efficiently. In addition, there is a problem that the appearance is deteriorated by installing the lighting fixture separately, and this is an obstacle when not used.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and can illuminate a keyboard portion efficiently and in a state suitable for playing, and can arrange the keyboard portion clearly and clearly without being noticeable. An object of the present invention is to provide a lighting device for a musical instrument.

[0005]

According to a first aspect of the present invention, there is provided a lighting device for a keyboard instrument, comprising: a keyboard cover for opening and closing a keyboard portion on which a keyboard is arranged; When the keyboard cover is in the open state, the keyboard unit is provided with illumination means for illuminating the keyboard with a predetermined brightness.

According to this illumination device for a keyboard instrument, the keyboard is illuminated by the illuminating means attached to the keyboard lid when the keyboard lid is open, so that the keyboard can be efficiently illuminated from a closer position. Can be. Also, since the lighting means illuminates the keyboard portion with a predetermined brightness, setting the predetermined brightness to a brightness suitable for performance allows the keyboard portion to be installed even if the installation location of the keyboard instrument itself is dark. Illuminated in a state suitable for performance. Furthermore, since the lighting means is attached to the back of the keyboard cover, when the keyboard cover is closed, the lighting means is not visible from the outside and is in a state of being built in the keyboard cover. This makes it possible to arrange the lighting means with good appearance.

In the above, the lighting means includes a socket,
It is preferable that the socket and the fluorescent lamp are arranged along the left and right direction on the back surface of the keyboard cover, while being held by the socket and constituted by a rod-shaped fluorescent lamp to which power is supplied from the socket. .

According to this illumination device for a keyboard instrument, the keyboard cover has a large width in the left-right direction because it is necessary to cover the keyboard, so that the fluorescent lamp and the socket are provided on the back surface of the keyboard cover in the left-right direction. By arranging them along, for example, compared with the case of arranging them in the front-back direction, they can be arranged clearly without being noticeable.

[0009] In the above, it is preferable that a switch means for turning on / off the lighting means in accordance with opening / closing of the keyboard cover is further provided.

According to the illumination device for a keyboard instrument, the illumination means is turned on in accordance with the operation associated with the use of the keyboard instrument to open the keyboard cover. You do not need to do this. in addition,
Since the lighting means is turned off with the operation of closing the keyboard cover, which is associated with the end of use of the keyboard instrument, it is almost impossible to forget to turn off the lighting means.

Further, in the above, a photodetector for detecting the brightness of the keyboard portion, and a case where the keyboard cover is open and the keyboard portion is lower than a predetermined brightness according to the detection result of the photodetector. Illuminates the illumination means, otherwise,
And control means for turning off the lighting means.

According to the illumination device for a keyboard instrument, when the keyboard cover is open and the keyboard portion is lower than a predetermined brightness, the illumination device is automatically turned on by the control device.
Thus, by setting the predetermined brightness to the brightness as described above, when using a keyboard instrument, an illumination state suitable for playing is automatically obtained. In addition, when any of these conditions is not satisfied, the light is automatically turned off, so that the lighting means is not forgotten to be turned off after the use of the keyboard instrument, and when the brightness is unnecessary for lighting,
The lighting means is not turned on, and power can be saved.

[0013]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
A lighting device for a keyboard instrument according to an embodiment of the present invention will be described. 1 to 3 show a grand piano to which the present invention is applied. As shown in the figure, in the lighting device 1 of the present embodiment, a corner portion is provided on the front side of a keyboard cover 2 of a grand piano (keyboard instrument) G, and three sockets 3 (lighting means) are provided on the back surface. They are mounted in a line in the left-right direction. Each of these sockets 3 has three stick-shaped fluorescent lamps (illumination means) 4 mounted thereon, and each fluorescent lamp 4 is supplied with power from each socket 3.

The keyboard cover 2 is provided with rotary fittings 5 at left and right side ends, respectively.
Are respectively engaged with unillustrated hanging fittings provided on the inner surfaces of the left and right side plates (not shown). The keyboard cover 2 is attached to the side plate so as to be rotatable around the rotary fitting 5 by the engagement between the rotary fitting 5 and the hanging fitting. The keyboard cover 2 opens and closes a keyboard section 7 on which the keyboard 6 is arranged by this rotation. As shown in FIG. 1, when the keyboard cover 2 is closed, the above-described socket 3 and fluorescent lamp 4 are attached to the back surface of the keyboard cover 2 in a positional relationship so as not to interfere with the upper surface of the keyboard 5.

The socket 3 on which the fluorescent lamp 4 is mounted is
The rotating metal fitting 5 is connected via a power cord (not shown), and the rotating metal fitting 5 is connected to an external power supply via a hanging metal fitting. A limit switch (switch means) (not shown) is provided between the socket 3 and the rotary fitting 5. This limit switch is disposed on the upper surface of a not-shown beat tree of the grand piano 1, and is turned on / off according to opening / closing of the keyboard lid 2, and the socket 3
Supply / stop to the power supply. With this configuration, when the keyboard cover 2 is opened, the limit switch is turned on, power is supplied to the socket 3, and the fluorescent lamp 4
Lights up. When the fluorescent lamp 4 is turned on, the keyboard 7
Is illuminated at a predetermined brightness (for example, a predetermined illuminance), and the predetermined brightness is set to a brightness suitable for a performance. Conversely, when the keyboard cover 2 is closed, the switch is turned off, the power supply to the socket 3 is stopped, and the fluorescent lamp 4 is turned off.

According to the lighting device 1 of the present embodiment configured as described above, since the fluorescent lamp 4 and the socket 3 are mounted on the back surface of the keyboard cover 2, the keyboard cover 2 is opened.
By turning on the fluorescent lamp 4, the keyboard portion 7 can be efficiently illuminated from a closer location. At this time,
The keyboard 7 is illuminated by the fluorescent lamp 4 at a brightness suitable for playing. Further, the keyboard cover 2 has a long width in the left-right direction, and a corner is formed at the front side thereof. The fluorescent lamp 4 and the socket 3 are arranged along the left-right direction on the back surface of the corner. It can be arranged neatly without being noticeable, and when the keyboard cover 2 is closed, the fluorescent lamp 4 and the socket 3 become invisible from the outside, so that the appearance is improved. Furthermore, since the fluorescent lamp 4 is turned on / off in accordance with the opening / closing of the keyboard lid 2 by turning on / off a limit switch arranged on the upper surface of the beater tree, another light for turning on the fluorescent lamp 4 is provided. Is unnecessary, and forgetting to turn off the fluorescent lamp 4 is almost eliminated.

In the above embodiment, the keyboard cover 2
The limit switch is configured to turn on / off the fluorescent lamp 4 in accordance with the opening / closing of the light-emitting device. A control means (for example, a control circuit or a microcomputer) to which signals from the limit switch and the photodetector are input is further provided in the grand piano 1,
This control means turns on the fluorescent lamp 4 when the keyboard cover is open and the detection signal of the photodetector is less than a predetermined brightness, and turns off the fluorescent lamp 4 otherwise. You may make it. In this way, when the grand piano 1 is used, the fluorescent lamp is automatically turned on as needed, so that an illumination state suitable for the performance is automatically obtained. When any of these conditions is not satisfied, the lamp is automatically turned off, so that the fluorescent lamp 4 is hardly forgotten to be turned off after the use of the grand piano 1, and when the brightness is unnecessary, the fluorescent lamp 4 is turned off. 4 is not lit,
You can save power.

In the above embodiment, the keyboard cover 2
The limit switch turns on / off the fluorescent lamp 4 according to the opening / closing of the fluorescent lamp 4. However, instead of this, a manual switch is provided, and by operating the manual switch, the fluorescent lamp 4 is turned on.
May be turned on / off. Further, in the above-described embodiment, the socket 3 and the fluorescent lamp 4 are used as the illuminating means. However, an incandescent bulb or the like may be used instead, as long as a predetermined illumination state can be obtained.

[0019]

As described above, according to the illumination device for a keyboard instrument of the present invention, the keyboard section can be efficiently illuminated by the illumination means in a state suitable for performance. In addition, the lighting means can be arranged clearly and unobtrusively and clearly. Furthermore, when using a keyboard instrument, a lighting condition suitable for playing is automatically obtained. In addition, it is possible to avoid forgetting to turn off the lighting means after using the keyboard instrument, and to save power.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing a state in which a keyboard cover is closed in a grand piano to which a lighting device according to an embodiment of the present invention is applied.

FIG. 2 is a perspective view showing a state in which a keyboard cover of the grand piano is opened.

FIG. 3 is a front view showing a state in which a keyboard cover is opened.

[Description of Signs] 1 Lighting device 2 Keyboard cover 3 Socket (lighting means) 4 Fluorescent lamp (lighting means) 6 Keyboard 7 Keyboard section G Grand piano (keyboard instrument)

Claims (4)

[Claims] 1. A lighting device for a keyboard instrument having a keyboard cover for opening and closing a keyboard portion on which a keyboard is arranged, wherein the lighting device is attached to a back surface of the keyboard cover, and when the keyboard cover is in an open state, the keyboard portion is opened. An illumination device for a keyboard instrument, comprising illumination means for illuminating at a predetermined brightness. 2. The lighting means includes a socket, and a rod-shaped fluorescent lamp held by the socket and supplied with power from the socket. The socket and the fluorescent lamp are provided on the keyboard cover. The lighting device for a keyboard instrument according to claim 1, wherein the lighting device is arranged on the back surface in the left-right direction. 3. The illumination device for a keyboard instrument according to claim 1, further comprising a switch unit for turning on / off the illumination unit in accordance with opening / closing of the keyboard cover. 4. A photodetector for detecting the brightness of the keyboard portion, and in accordance with a detection result of the photodetector, the keyboard cover is in an open state and the keyboard portion has a brightness lower than the predetermined brightness. The lighting device for a keyboard instrument according to claim 3, further comprising control means for turning on the lighting means in a case, and turning off the lighting means in other cases.