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.)
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 Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Epson Corp, Suwa Seikosha KKfiledCriticalSeiko Epson Corp
Priority to JP15365275ApriorityCriticalpatent/JPS5276078A/en
Publication of JPS5276078ApublicationCriticalpatent/JPS5276078A/en
PURPOSE: To provide a tuning device, in which a crystal oscillator and an integrated frequency dividing circuit are used for tuning of singing and musical instruments, the tuning device being advantageous in simplified operation, in portability, in precision of reference sounds and in reduced aging change.