JPS5993494A - Metronome with liquid-crystal beat display - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a metronome with a tact liquid crystal display, and more particularly to a visual display of the metronome.

Conventionally, in the case of a mechanical metronome, the visual display of a metronome has been to display the tempo speed by marking the left and right sides of the tact bar. Furthermore, among electronic metronomes, there were those that arranged a large number of 'LF+I) to obtain a tact effect, and those that used two-color light elements to display dynamic beats. However, in all of the above, there was no metronome that could visually display both the beat and tempo, which the conductor expressed by waving a tact stick.

The present invention has been made in order to promptly solve the above problems.Nine tact effects are stored two-dimensionally based on tempo and time signature, and the tact effect is extracted according to arbitrary tempo and time signature settings. , which aims to provide a more visual representation of the same. The present invention will be explained in detail with reference to the drawings. Figure 1 shows a block diagram of an embodiment of the present invention, in which 1 is a reference signal generator, 2 is a tempo signal generator, 3 is a counter, and 4 is a block diagram of an embodiment of the present invention. Beat signal generator, 5 is 10.

A tact display signal generation section, 6 a beat selection switch, 7 a tact display panel, 8 a tempo selection switch, and 9 a metronome sound generation section. FIG. 2 is a detailed block diagram of the present invention of the tact display signal generating section 5 and the tact display section 7 shown in FIG. 1, where 10 is a decoder, 11 is a storage element, and 12 is an 13 is a Y-axis horizontal liquid crystal driver, and 14 is a liquid crystal display panel. FIG. 3 is an external view of the electronic metronome according to the present invention, in which 15 is a liquid crystal display panel, 16 is a tempo selection switch, 17 is a time signature selection switch, and the display buffer displays a triple time signature of tempo 120. The pattern is shown.

The case where the tact display of the electronic metronome according to the present invention is operated in the above configuration will be described.
In the memory element 11, pattern information of each beat expressed by the conductor by swinging the baton is stored two-dimensionally as word data at each required address. The tempo signal selected by the tempo selection switch 8 on the metronome body is input to the counter and becomes a signal 38 which is multiplied by the number of divisions of one beat, and is sent to the metronome sound generator 3, the beat signal generator 4, are respectively applied to the decoder 10. A signal 68 from the beat selection switch is applied to the beat signal generator 4 and the decoder 10. A signal 38 from the counter, a signal 48 from the beat signal generator, and a signal 68 from the beat selection switch are applied to the decoder 10. These three signals are obtained to specify a desired address stored in the memory element 11 and to provide a scanning signal for the address. From the memory element 11, data is applied to the basic pattern signal of the tact display stored in the memory to the liquid crystal driver 12 in the X-axis direction and the liquid crystal driver 13 in the Y-axis direction. 14 works.

As shown above, according to the present invention, the tact effect due to the left and right swing of the tact rod, the tact effect due to multiple IF; A metronome with a visual display similar to the above was realized.

[Brief explanation of drawings]

FIG. 1 is a block diagram of an embodiment of the present invention. 1: Reference signal generation section 2: Tempo signal generation section 3: Counter 4: Beat signal generation section 5: Tact display signal generation section 6: Time signature selection switch 7: Tact display panel 8: Tempo selection switch 9: Metronome sound generation section No. FIG. 2 is a detailed block diagram of the tact display signal generating section and the tact display section according to the present invention. 10: Decoder 11: Memory element 12: X-axis liquid crystal driver 13: Y-axis liquid crystal driver 14: Liquid crystal display panel FIG. 3 is an external view of the electronic metronome according to the present invention. 15: Liquid crystal display panel 16: Tempo selection switch 17: Time signature selection switch 18: Metronome body or more

Claims (1)

[Claims] A tempo signal generation section that inputs the signal from the reference signal generation section, a counter that inputs the signal from this tempo signal generation section, a beat signal generation section that inputs the signal from this counter, and a counter that inputs the signal from this tempo signal generation section; A beat selection switch for inputting a beat signal; a storage element for storing signals from the counter, the beat signal generator, and the beat selection switch via a decoder; A metronome with a tact liquid crystal display, comprising a liquid crystal display panel for displaying information using an axial liquid crystal driver, and displaying tact movement on the liquid crystal display panel.