JPH0414794Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a musical instrument case for storing an electronic musical instrument that forms musical tones by reading performance data recorded on a part of a musical score sheet. This allows data to be read using the .

Conventionally proposed electronic musical instruments of the above type have a sheet music sheet inserted from the side into a reading groove opened on the side of the instrument body, and a reading head placed in the reading groove reads performance data from the sheet music sheet. There is something. However, when a conventional musical instrument case is used for such an electronic musical instrument, there is a problem in that the musical score sheet cannot be inserted into the reading groove from the side while the musical instrument is housed in the case, and therefore data cannot be read.

The purpose of this invention is to provide a new musical instrument case that eliminates such inconveniences.

The musical instrument case according to this invention is characterized in that a notch for inserting a musical score sheet is provided on the side of the case body, facing the opening of the reading groove.
Hereinafter, embodiments shown in the accompanying drawings will be described in detail.

Figures 1 and 2 show an electronic musical instrument set according to an embodiment of this invention, and the musical instrument case includes a case body 10, an upper lid 12, and a hinge etc. that connects the case body and the upper lid so that they can be opened and closed. coupling mechanisms 14A and 14B.

The case body 10 and the upper lid 12 have a recess for storing the electronic musical instrument 16, which is rectangular in plan view, and the recess of the upper lid 12 has musical score insertion parts 18A and 18B for inserting the musical score sheet 20. is provided. The musical score sheet 20 has a rectangular _shape as shown in FIG.
It is almost equal to the length l of the short side when viewed from above. Therefore, the score sheet 20 is
As shown by 0', it can be tightly stored in the recess of the top lid 12 when inserted into the music score insertion section 18A or 18B, and will not be bent or damaged even when the top lid 12 is closed.

In FIG. 1, one side of the case body 10 is provided with a notch 10a for inserting the musical score sheet 20 into the electronic musical instrument 16 as shown by arrow A, and the other side is provided with a notch 10a as shown by arrow B. A notch 10b is provided for inserting the plug PL of the headphone HP into the electronic musical instrument 16, and the top cover 12 has protrusions 12a and 10b that fit snugly into the notches 10a and 10b, respectively, when the top cover 12 is closed. 12
b is formed. As shown in FIG. 3, when the top cover 12 is opened at an angle of, for example, 120° with the case body 10, the opening angle is fixed by the angle fixing parts 10F and 12F, which also serve as feet. It is also useful as a music stand. Note that holes 10c and 12c correspondingly formed in the case body 10 and the upper lid 12 are handle holes for inserting a hand when carrying the device.

The electronic musical instrument 16 has a keyboard as shown in FIG.
KB, speaker SP, tone select switch TS,
A mode select switch MS and an electric circuit section to be described later are provided. Further, at the top of the electronic musical instrument 10, there is a groove SL ₁ for inserting the musical score sheet 20.
and SL ₂ are continuously formed and warped so as to be aligned in a line parallel to the longitudinal direction of the keyboard KB.

The musical score sheet 20 is made of paper or plastic that is hard enough to stand upright, and on the main surface of the sheet music is written in accordance with musical notation, and on the lower margin a recording medium such as magnetic tape is pasted. A performance data recording section 20A is provided. Here, the recording section 20A contains performance data (data such as pitch, note length, etc.) corresponding to the song in the song description section.
and performance control data (control data for tones, effects, etc.) are recorded in advance. In addition, sheet music sheet 2
In addition to magnetic recording, methods for recording data to 0 include magnetic recording.
Optical recording such as perforations or bar codes may also be used.

In FIG. 1, the groove SL ₁ is a reading groove for the reading head RH provided in the instrument body, and is formed so that the musical score sheet 20 can be guided upright to the groove SL ₂ . The end opposite to ₂ is open and gradually widens toward the side of the instrument body so as to face the notch 10a of the case body 10. Therefore, as shown by arrow A, the musical score sheet 20 can be smoothly inserted into the reading groove SL ₁ from the side of the case main body. Note that the groove SL ₂ is a sheet standing groove for holding the musical score sheet 20 that is moved from the reading groove SL ₁ while tilting backward so that the player can easily see it, as shown by a dashed line 20''.

According to the above-mentioned configuration, it is possible to continuously and easily set up musical score sheets before a performance.
That is, while the sheet music sheet 20 is standing upright, as shown by arrow A in FIG.
Insert into SL ₁ and insert into the sheet standing groove through reading groove SL ₁ .
When moving to SL ₂ , the reading head RH reads performance data and performance control data from the recording section 20A during the movement process. When the musical score sheet 20 finally reaches the sheet vertical groove SL ₂ and you release your hand from the musical score sheet 20, the musical score sheet 20 will move to the first position.
As shown by the dashed line 20'' in the figure, it is held tilted rearward for easy viewing.

FIG. 4 shows the circuit configuration of the electronic musical instrument. The performance data and performance control data read from the score sheet 20 by the reading device 22 including the reading head RH as described above are transferred to a data memory consisting of a RAM (random access memory) via a write control circuit 24. 26 and stored. The pitch data and performance control data stored in the data memory 26 are sequentially read out by the readout control circuit 28 based on the note length data, and the pitch data is supplied to the automatic performance tone forming circuit 32 via the register 30. , the performance control data is supplied to the musical tone forming circuit 32 via the register 34.

The musical tone forming circuit 32 electronically synthesizes a musical tone signal based on the pitch data from the register 30, and also controls the characteristics such as the timbre and effects of the musical tone signal based on the performance control data from the register 34. A musical tone signal sent from the forming circuit 32 is guided to a speaker 38 via a power amplifier 36 and converted into sound.

On the other hand, manual performance data sent from the keyboard circuit 40 including the keyboard KB is supplied to a manual performance tone forming circuit 42. The musical tone forming circuit 42 electronically synthesizes musical tone signals based on the manual performance data from the keyboard circuit 40, and also synthesizes musical tone signals from the register 34.
The characteristics such as the timbre and effects of the musical tone signal are controlled based on the performance control data from the power amplifier 3. The musical tone signal sent from the musical tone forming circuit 42 is also
6 to the speaker 38 and converted into sound.

The pitch data read from the data memory 26 is supplied to the key press display control circuit 46 via the register 44. The pressed key display circuit 46 displays the key to be pressed by selectively lighting a display lamp (not shown) provided for each key of the keyboard KB based on pitch data from the register 44.

Therefore, according to the electronic musical instrument, the musical tone forming circuit 32 automatically produces musical tones based on the data read from the data memory 26, and the keyboard
Since the keys to be pressed can be displayed on the KB, the operator of the keyboard KB can efficiently practice playing while referring to the automatically played sounds and the key press display.

As described above, according to this invention, the notch for inserting the musical score sheet is provided on the side of the case body facing the opening of the reading groove, so the instrument can be stored in the case without being removed from the case. The performance data can be read from the musical score sheet, which is very convenient. In addition, as shown in the above example, if the top cover is partially closed to cover the notch for inserting the musical score sheet, it is effective to prevent the instrument inside the case and the musical score sheet from getting dirty with dust. can be prevented.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing an electronic musical instrument set according to an embodiment of the invention, Fig. 2 is a sectional view of the main part of the set shown in Fig. 1, and Fig. 3 is a side view of the upper lid angle fixing part of the musical instrument case. FIG. 4 is a block diagram of an electronic musical instrument. 10...Case body, 12...Top lid, 14A,
14B...Coupling mechanism, 16...Electronic musical instrument, 20...
...Musical score sheet, 20A...Performance data recording section,
SL ₁ ...reading groove, RD...reading head.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. Contains an electronic musical instrument that forms musical tones by reading performance data recorded on a part of a musical score sheet with a reading head disposed in a reading groove opened on the side of the instrument body. What is claimed is: 1. A musical instrument case for reading a musical instrument, characterized in that a notch is provided in a case body at a position opposite to an opening of the reading groove to enable insertion of the musical score sheet into the reading groove. 2 Utility Model Registration In the musical instrument case set forth in claim 1, the case body has a top cover that is openably and closably connected to the case body, and the top cover has a protrusion that closes the notch when it is closed. An instrument case characterized by having.