CH644731GA3 - - Google Patents

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Publication number
CH644731GA3
CH644731GA3 CH80080A CH80080A CH644731GA3 CH 644731G A3 CH644731G A3 CH 644731GA3 CH 80080 A CH80080 A CH 80080A CH 80080 A CH80080 A CH 80080A CH 644731G A3 CH644731G A3 CH 644731GA3
Authority
CH
Switzerland
Prior art keywords
melody
lsi chips
timekeeping
changeable
dummy
Prior art date
Application number
CH80080A
Other languages
German (de)
English (en)
Other versions
CH644731B (de
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
Publication of CH644731B publication Critical patent/CH644731B/de
Application filed filed Critical
Publication of CH644731GA3 publication Critical patent/CH644731GA3/de

Links

Classifications

    • 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
    • G10H7/00—Instruments in which the tones are synthesised from a data store, e.g. computer organs
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G13/00—Producing acoustic time signals
    • G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G13/00—Producing acoustic time signals
    • G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
    • G04G13/021—Details
    • G04G13/023—Adjusting the duration or amplitude of signals
    • 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
    • G10H1/18—Selecting circuits
    • G10H1/26—Selecting circuits for automatically producing a series of tones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Electrophonic Musical Instruments (AREA)
CH800/80A 1979-01-31 1980-01-31 Elektronische uhr mit einrichtungen zur signalgabe in form einer veraenderbaren melodie. CH644731B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1115779A JPS55103488A (en) 1979-01-31 1979-01-31 Electronic watch

Publications (2)

Publication Number Publication Date
CH644731B CH644731B (de)
CH644731GA3 true CH644731GA3 (pm) 1984-08-31

Family

ID=11770187

Family Applications (1)

Application Number Title Priority Date Filing Date
CH800/80A CH644731B (de) 1979-01-31 1980-01-31 Elektronische uhr mit einrichtungen zur signalgabe in form einer veraenderbaren melodie.

Country Status (4)

Country Link
US (1) US4421422A (pm)
JP (1) JPS55103488A (pm)
CH (1) CH644731B (pm)
GB (1) GB2047443B (pm)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56133674A (en) * 1980-03-24 1981-10-19 Rhythm Watch Co Ltd Time signal device of timepiece
JPH0413868Y2 (pm) * 1988-11-29 1992-03-30
GB2263010A (en) * 1992-01-04 1993-07-07 Anthony Lacy Musical audible alarm.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3998045A (en) * 1975-06-09 1976-12-21 Camin Industries Corporation Talking solid state timepiece
JPS52123223A (en) * 1976-04-08 1977-10-17 Toshiba Corp Electronic circuit for music box
US4163407A (en) * 1977-01-17 1979-08-07 The Wurlitzer Company Programmable rhythm unit
GB2032159B (en) * 1978-09-28 1982-11-24 Rca Gmbh Electronic tone generator

Also Published As

Publication number Publication date
GB2047443A (en) 1980-11-26
US4421422A (en) 1983-12-20
JPS55103488A (en) 1980-08-07
CH644731B (de)
GB2047443B (en) 1983-02-16

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