JPS51147365A - Instruction device for tuning musical instrument - Google Patents

Instruction device for tuning musical instrument

Info

Publication number
JPS51147365A
JPS51147365A JP50071488A JP7148875A JPS51147365A JP S51147365 A JPS51147365 A JP S51147365A JP 50071488 A JP50071488 A JP 50071488A JP 7148875 A JP7148875 A JP 7148875A JP S51147365 A JPS51147365 A JP S51147365A
Authority
JP
Japan
Prior art keywords
musical instrument
series
instruction device
difference
tuning musical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP50071488A
Other languages
Japanese (ja)
Inventor
Kiwamu Akasaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Columbia Co Ltd
Original Assignee
Nippon Columbia Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Columbia Co Ltd filed Critical Nippon Columbia Co Ltd
Priority to JP50071488A priority Critical patent/JPS51147365A/en
Publication of JPS51147365A publication Critical patent/JPS51147365A/en
Pending legal-status Critical Current

Links

Landscapes

  • Auxiliary Devices For Music (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

PURPOSE: Depending upon a theory that frequency variation in a small scope of the musical scale to be a geometical series having a predetermined geometrical ratio can be closely approximated with a geometirical series having as a geometrical difference the standardized frequency difference of a very small unit used in the field, the number of waves of a standard signal corresponding included in one or over two periods of tuned tone signal is counted and is compared with a reference value, to digitally follow and display the untuning rate of the measured, tuned tone.
COPYRIGHT: (C)1976,JPO&Japio
JP50071488A 1975-06-13 1975-06-13 Instruction device for tuning musical instrument Pending JPS51147365A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50071488A JPS51147365A (en) 1975-06-13 1975-06-13 Instruction device for tuning musical instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50071488A JPS51147365A (en) 1975-06-13 1975-06-13 Instruction device for tuning musical instrument

Publications (1)

Publication Number Publication Date
JPS51147365A true JPS51147365A (en) 1976-12-17

Family

ID=13462080

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50071488A Pending JPS51147365A (en) 1975-06-13 1975-06-13 Instruction device for tuning musical instrument

Country Status (1)

Country Link
JP (1) JPS51147365A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5370884A (en) * 1976-12-07 1978-06-23 Nippon Columbia Signal producing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5370884A (en) * 1976-12-07 1978-06-23 Nippon Columbia Signal producing device
JPS5757972B2 (en) * 1976-12-07 1982-12-07 Nippon Columbia

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