JPH0269395U

JPH0269395U -

Info

Publication number: JPH0269395U
Application number: JP14883888U
Authority: JP
Priority date: 1988-11-15
Filing date: 1988-11-15
Publication date: 1990-05-25

Description

[Brief explanation of drawings]

第１図は本考案の概略ブロツク図、第２図は本
考案の詳細ブロツク図、第３図は大正琴各弦のス
ペクトラム図、第４図は各オクターブと３次高調
波の関係図、第５図はオクターブ検出回路図、第
６図は従来例を示すブロツク図である。１……外部入力回路、３……音名判別回路、６
……表示装置、１４……３次高調波検出器、１６
……オクターブ検出回路。 Figure 1 is a schematic block diagram of the present invention, Figure 2 is a detailed block diagram of the present invention, Figure 3 is a spectrum diagram of each string of the Taishogoto, Figure 4 is a diagram of the relationship between each octave and the third harmonic, and Figure 5 is a diagram of the relationship between each octave and the third harmonic. The figure is a diagram of an octave detection circuit, and FIG. 6 is a block diagram showing a conventional example. 1... External input circuit, 3... Pitch name discrimination circuit, 6
... Display device, 14 ... Third harmonic detector, 16
...Octave detection circuit.

Claims

[Scope of utility model registration request]

In a tuner for a musical instrument that tunes each octave with the same note name, an external input circuit for detecting the sound and a third harmonic for detecting the third harmonic of the reference tone to be tuned for each octave of the instrument. a detector, an octave detection circuit that receives the signal from the third harmonic detector and performs octave detection, a note name discrimination circuit that discriminates the note name in each octave, and a result of the octave detection and the discriminated note. A tuning device characterized by comprising a display device that displays a name.