JPH048997U

JPH048997U -

Info

Publication number: JPH048997U
Application number: JP5050990U
Authority: JP
Priority date: 1990-05-14
Filing date: 1990-05-14
Publication date: 1992-01-27

Description

[Brief explanation of the drawing]

第１図は本考案のブロツク図、第２図はセンサ
ー例、第３図は直流モータの回転数制御方式例、
第４図はタクト棒往復回動機構例、第５図は本考
案の外観例である。１……可変抵抗、２……直流モータ、４……タ
クト棒、５……センサ、１３……ホールセンサ、
１４……磁石、１５……赤外発光ＬＥＤ、１６…
…ホトダイオード、１７……圧電センサ。 Figure 1 is a block diagram of the present invention, Figure 2 is an example of a sensor, Figure 3 is an example of a DC motor rotation speed control system,
FIG. 4 shows an example of the tact rod reciprocating rotation mechanism, and FIG. 5 shows an example of the external appearance of the present invention. 1... Variable resistance, 2... DC motor, 4... Tact rod, 5... Sensor, 13... Hall sensor,
14...Magnet, 15...Infrared light emitting LED, 16...
...Photodiode, 17...Piezoelectric sensor.

Claims

[Scope of utility model registration request]

A mechanism section for reciprocating the tact rod, a DC motor for driving the mechanism section, and a DC voltage variable circuit section for controlling the reciprocating rotation speed of the tact rod by changing the voltage supplied to the DC motor. , a sensor unit for detecting the reciprocating rotation speed of the tact rod;
A tempo counting section for converting the detection output signal of the sensor into a tempo number, a tempo display means for displaying the tempo number, and a sound generation circuit and sound generation means for outputting a sound in accordance with the swing of the tact rod. A tact metronome.