JPS5548622A - Portable tuning device for musical instrument - Google Patents

Portable tuning device for musical instrument

Info

Publication number
JPS5548622A
JPS5548622A JP12226578A JP12226578A JPS5548622A JP S5548622 A JPS5548622 A JP S5548622A JP 12226578 A JP12226578 A JP 12226578A JP 12226578 A JP12226578 A JP 12226578A JP S5548622 A JPS5548622 A JP S5548622A
Authority
JP
Japan
Prior art keywords
circuit
oscillator
musical instrument
mechanical filter
turning
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
JP12226578A
Other languages
Japanese (ja)
Inventor
Koetsu Saito
Iwazo Takahashi
Yoshiro Yanagi
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.)
Seiko Electronic Components Ltd
Original Assignee
Seiko Electronic Components 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 Seiko Electronic Components Ltd filed Critical Seiko Electronic Components Ltd
Priority to JP12226578A priority Critical patent/JPS5548622A/en
Publication of JPS5548622A publication Critical patent/JPS5548622A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Auxiliary Devices For Music (AREA)

Abstract

PURPOSE: To obtain a turning device for the musical instrument which is not affected easily by the external environment by using the electric oscillator circuit producing the continuous sound and the mechanical filter as the oscillation source and then using the electric tuning circuit to obtain the continuous reference sound.
CONSTITUTION: The music heard through music receiver 2 is converted for impedance at turning circuit 5 after passing through amplifier 3 and multiplier 4, and then led into the mechanical filter of standard oscillator 6 via change-over switch 11 turned toward circuit 5. When the coincidence is obtained between the signals sent from circuit 5 and the natural oscillation frequency of the mechanical filter in oscillator 6, the output signal sent from oscillator 6 shows the peak value. And the output signal is supplied again to circuit 5 to receive the impedance conversion and furthermore converted into the driving signal via display driving circuit 7 to drive display unit 8. As a result, an accurate and quick turning becomes possible for the musical instrument even by the beginner. With change-over of switch 11, the tuning device functions as the oscillator circuit only.
COPYRIGHT: (C)1980,JPO&Japio
JP12226578A 1978-10-03 1978-10-03 Portable tuning device for musical instrument Pending JPS5548622A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12226578A JPS5548622A (en) 1978-10-03 1978-10-03 Portable tuning device for musical instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12226578A JPS5548622A (en) 1978-10-03 1978-10-03 Portable tuning device for musical instrument

Publications (1)

Publication Number Publication Date
JPS5548622A true JPS5548622A (en) 1980-04-07

Family

ID=14831668

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12226578A Pending JPS5548622A (en) 1978-10-03 1978-10-03 Portable tuning device for musical instrument

Country Status (1)

Country Link
JP (1) JPS5548622A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5726362A (en) * 1996-04-04 1998-03-10 Will Boyden Inc. Tension loss/frequency comparison device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5726362A (en) * 1996-04-04 1998-03-10 Will Boyden Inc. Tension loss/frequency comparison device

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