JPH0467697U

JPH0467697U -

Info

Publication number: JPH0467697U
Application number: JP11188890U
Authority: JP
Priority date: 1990-10-25
Filing date: 1990-10-25
Publication date: 1992-06-16

Description

[Brief explanation of the drawing]

第１図Ａ，Ｂは、本考案の実施例によるオクタ
ーブ切替装置を示す平面図および側面図、第２図
Ａ，Ｂは、従来の技術による電子管楽器の例を示
す上面図および下面図、第３図Ａ〜Ｆは、第１図
Ａ，Ｂに示すオクターブ切替装置のオクターブキ
ースイツチの操作態様を示す概略図、第４図は、
オクターブキースイツチの操作に応じてオクター
ブ切替信号を発生するためのオクターブキーテー
ブル、第５図は、電子管楽器の全体構成を示すブ
ロツク図、第６図は、第５図の構成におけるＲＡ
Ｍ内に設けられるレジスタの構成を示す概略図、
第７図は、メインルーチンのフローチヤート、第
８図は、キー処理のフローチヤート、第９図は、
オクターブキー処理のフローチヤート、第１０図
は、ブレス処理のフローチヤートである。図において、１……電子楽器の本体、４……オ
クターブキースイツチ。 1A and 1B are a plan view and a side view showing an octave switching device according to an embodiment of the present invention, and FIGS. 2A and 2B are a top view and a bottom view showing an example of an electronic wind instrument according to the prior art. 3A to 3F are schematic diagrams showing the operation mode of the octave key switch of the octave switching device shown in FIGS. 1A and B, and FIG.
An octave key table for generating an octave switching signal in response to the operation of an octave key switch. Figure 5 is a block diagram showing the overall configuration of an electronic wind instrument. Figure 6 is an RA in the configuration of Figure 5.
A schematic diagram showing the configuration of registers provided in M,
Figure 7 is a flowchart of the main routine, Figure 8 is a flowchart of key processing, and Figure 9 is a flowchart of the main routine.
Flowchart of octave key processing. FIG. 10 is a flowchart of breath processing. In the figure, 1... the main body of an electronic musical instrument, 4... an octave key switch.

Claims

[Claims for Utility Model Registration] (1) An octave switching device for switching the octave of the musical sound generated in an electronic wind instrument having multiple key switches for specifying pitches arranged on the top surface of the main body, which are arranged on the bottom surface of the main body. a plurality of octave key switches arranged close to each other in a two-dimensional plane; octave key switch detection means for detecting which of the octave key switches has been pressed; , and means for instructing ocdave switching. (2) The octave switching device for an electronic wind instrument according to claim 1, wherein the plurality of octave key switches have key portions having different three-dimensional shapes.