NL7706991A - OPTICAL METRONOME. - Google Patents

OPTICAL METRONOME.

Info

Publication number
NL7706991A
NL7706991A NL7706991A NL7706991A NL7706991A NL 7706991 A NL7706991 A NL 7706991A NL 7706991 A NL7706991 A NL 7706991A NL 7706991 A NL7706991 A NL 7706991A NL 7706991 A NL7706991 A NL 7706991A
Authority
NL
Netherlands
Prior art keywords
optical metronome
metronome
optical
Prior art date
Application number
NL7706991A
Other languages
Dutch (nl)
Original Assignee
Juan Manuel Del Castillo
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
Priority claimed from US05/699,637 external-priority patent/US4070944A/en
Application filed by Juan Manuel Del Castillo filed Critical Juan Manuel Del Castillo
Publication of NL7706991A publication Critical patent/NL7706991A/en

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B15/00—Teaching music
    • G09B15/02—Boards or like means for providing an indication of notes
    • G09B15/023—Electrically operated
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/02—Metronomes
    • G04F5/027—Metronomes using electro-mechanical driving, e.g. of optical scanned recordings

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Auxiliary Devices For Music (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Electrophonic Musical Instruments (AREA)
NL7706991A 1976-06-24 1977-06-23 OPTICAL METRONOME. NL7706991A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/699,637 US4070944A (en) 1975-07-08 1976-06-24 Optical metronome

Publications (1)

Publication Number Publication Date
NL7706991A true NL7706991A (en) 1977-12-28

Family

ID=24810226

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7706991A NL7706991A (en) 1976-06-24 1977-06-23 OPTICAL METRONOME.

Country Status (8)

Country Link
JP (2) JPS5319872A (en)
CH (1) CH620538A5 (en)
DE (1) DE2728628A1 (en)
FR (1) FR2356189A1 (en)
GB (1) GB1584594A (en)
MX (1) MX145053A (en)
NL (1) NL7706991A (en)
SE (1) SE433983B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165670B (en) * 1984-08-15 1987-11-18 Philip Maurice Raymond Cowen Timing device
GB8432129D0 (en) * 1984-12-19 1985-01-30 Jonasar A Visual training aid
DE19621518A1 (en) * 1996-05-29 1997-12-11 Rosmann Karl Musical tone pitch visualiser
DE10149203A1 (en) * 2001-10-05 2003-04-17 Karl Rosmann Musical tone amplitude representation device for musical notation system uses optical fibres embedded in multi-layer foil music sheet
GB2437766A (en) * 2006-05-05 2007-11-07 Christopher Wiltshire Music sight reader
CN106178545B (en) * 2016-08-31 2022-09-16 武汉华夏理工学院 Music bubble device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1059756A (en) * 1974-08-06 1979-08-07 Juan M. Del Castillo Optical metronome

Also Published As

Publication number Publication date
JPS6025591Y2 (en) 1985-07-31
DE2728628A1 (en) 1977-12-29
JPS5662592U (en) 1981-05-27
MX145053A (en) 1982-01-04
FR2356189A1 (en) 1978-01-20
GB1584594A (en) 1981-02-11
JPS5319872A (en) 1978-02-23
SE433983B (en) 1984-06-25
SE7707154L (en) 1977-12-25
CH620538A5 (en) 1980-11-28
FR2356189B3 (en) 1980-04-25

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed