JPS6329169U

JPS6329169U -

Info

Publication number: JPS6329169U
Application number: JP12214086U
Authority: JP
Priority date: 1986-08-11
Filing date: 1986-08-11
Publication date: 1988-02-25

Description

[Brief explanation of the drawing]

第１図は本考案の１実施例の斜視図、第２図Ａ
及びＢは、音符表示部材の平面図及び断面図、第
３図は表面のシート１３及び帯状スイツチ群４の
上シート１６の一部を剥離した楽符ボードの一部
拡大平面図、第４図は第３図のＡ―Ａ線截断分解
図、第５図は帯状スイツチ群の断面図、第６図は
帯状スイツチと音源回路との接続回路図、第７図
は本考案の他の実施例の第３図に対応する楽符ボ
ードの一部拡大平面図、第８図Ａ及びＢはシヤー
プ記号表示部材の平面図及び断面図、第９図Ａ及
びＢはフラツト記号表示部材の平面図及び断面図
、第１０図は帯状スイツチ並びに常閉及び常開ス
イツチと音源回路との接続回路図である。１……音符表示部材、２……磁石、３……楽符
ボード、４……帯状スイツチ群、４Ａ……帯状ス
イツチ、５……スピーカ、８……磁性板、１０…
…基板、１１……５線、１３……シート、１７…
…帯状導体、２０……音源回路。 Figure 1 is a perspective view of one embodiment of the present invention, Figure 2A
and B are a plan view and a cross-sectional view of the note display member, FIG. 3 is a partially enlarged plan view of the note board with the front sheet 13 and the upper sheet 16 of the band-shaped switch group 4 partially peeled off, and FIG. 3 is an exploded view taken along the line AA in FIG. 3, FIG. 5 is a sectional view of a band-shaped switch group, FIG. 6 is a connection circuit diagram between the band-shaped switches and the sound source circuit, and FIG. 7 is another embodiment of the present invention. 8A and B are plan views and sectional views of the sharp symbol display member, and FIGS. 9 A and B are plan views and sectional views of the flat symbol display member. The sectional view and FIG. 10 are connection circuit diagrams of the strip switch, the normally closed and normally open switches, and the sound source circuit. DESCRIPTION OF SYMBOLS 1... Musical note display member, 2... Magnet, 3... Music note board, 4... Band-shaped switch group, 4A... Band-shaped switch, 5... Speaker, 8... Magnetic plate, 10...
...Substrate, 11...5 wire, 13...Sheet, 17...
...Strip conductor, 20...Sound source circuit.

Claims

[Scope of utility model registration request]

a musical note display member to which a magnet is attached, a musical note board at least partially made of a magnetic plate and on which a 5-line staff is written, and at least 5 lines above and between 5 lines of the 5-line staff on the musical note board. a plurality of strip-shaped switches arranged in series in parallel with the five lines, a sound source circuit connected to each of the plurality of strip-shaped switches, and a sound generator; A musical scale teaching tool characterized in that a band-shaped switch is closed by pressing a display member with a finger or the like, and a scale tone corresponding to the position of the band-shaped switch is generated.