JPS5057674A - - Google Patents

Info

Publication number
JPS5057674A
JPS5057674A JP49105890A JP10589074A JPS5057674A JP S5057674 A JPS5057674 A JP S5057674A JP 49105890 A JP49105890 A JP 49105890A JP 10589074 A JP10589074 A JP 10589074A JP S5057674 A JPS5057674 A JP S5057674A
Authority
JP
Japan
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
JP49105890A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS5057674A publication Critical patent/JPS5057674A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/20—Cathode-ray oscilloscopes
    • G01R13/22—Circuits therefor
    • G01R13/28—Circuits for simultaneous or sequential presentation of more than one variable
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/44—Tuning means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Auxiliary Devices For Music (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
JP49105890A 1973-09-17 1974-09-13 Pending JPS5057674A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US398027A US3876936A (en) 1973-09-17 1973-09-17 Visual audio frequency comparator

Publications (1)

Publication Number Publication Date
JPS5057674A true JPS5057674A (zh) 1975-05-20

Family

ID=23573700

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49105890A Pending JPS5057674A (zh) 1973-09-17 1974-09-13

Country Status (5)

Country Link
US (1) US3876936A (zh)
JP (1) JPS5057674A (zh)
DE (1) DE2444402A1 (zh)
GB (1) GB1432286A (zh)
HK (1) HK59879A (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4256008A (en) * 1979-05-17 1981-03-17 Motorola, Inc. Musical instrument tuner with incremental scale shift
US4648113A (en) * 1985-09-11 1987-03-03 Tektronix, Inc. Method and apparatus for providing a visual indication of a relationship between two signals
US4677481A (en) * 1986-03-17 1987-06-30 Tektronix, Inc. Dual display monitor
US5287789A (en) * 1991-12-06 1994-02-22 Zimmerman Thomas G Music training apparatus
US5563358A (en) * 1991-12-06 1996-10-08 Zimmerman; Thomas G. Music training apparatus
US5719343A (en) * 1996-06-14 1998-02-17 Reyburn Piano Service, Inc. Digital aural musical instrument tuning
US6271620B1 (en) 1999-05-20 2001-08-07 Sen Corporation Acoustic transducer and method of making the same
EP1739653B1 (en) * 2005-06-28 2015-09-23 Yamaha Corporation Tuning device for musical instruments and computer program for the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3074054A (en) * 1960-11-16 1963-01-15 American District Telegraph Co Electrical system and method for protecting premises subject to varying ambient conditions
US3287639A (en) * 1964-10-08 1966-11-22 Marion L Vail Precision a. c. phase sensor

Also Published As

Publication number Publication date
US3876936A (en) 1975-04-08
GB1432286A (en) 1976-04-14
DE2444402A1 (de) 1975-03-20
HK59879A (en) 1979-08-31

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