IT1136105B - FREQUENCY SIGNAL TREATMENT DEVICE AND APPLICATION IN PARTICULAR TO ELECTRONIC MUSIC INSTRUMENTS - Google Patents

FREQUENCY SIGNAL TREATMENT DEVICE AND APPLICATION IN PARTICULAR TO ELECTRONIC MUSIC INSTRUMENTS

Info

Publication number
IT1136105B
IT1136105B IT12415/80A IT1241580A IT1136105B IT 1136105 B IT1136105 B IT 1136105B IT 12415/80 A IT12415/80 A IT 12415/80A IT 1241580 A IT1241580 A IT 1241580A IT 1136105 B IT1136105 B IT 1136105B
Authority
IT
Italy
Prior art keywords
application
frequency signal
treatment device
electronic music
signal treatment
Prior art date
Application number
IT12415/80A
Other languages
Italian (it)
Other versions
IT8012415A0 (en
Inventor
Jean Pierre Moreau
Dominique Bouteaud
Original Assignee
Thomson Csf
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 Thomson Csf filed Critical Thomson Csf
Publication of IT8012415A0 publication Critical patent/IT8012415A0/en
Application granted granted Critical
Publication of IT1136105B publication Critical patent/IT1136105B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
    • H03J5/0281—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory
    • 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
    • G10H1/182—Key multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
IT12415/80A 1979-01-22 1980-01-21 FREQUENCY SIGNAL TREATMENT DEVICE AND APPLICATION IN PARTICULAR TO ELECTRONIC MUSIC INSTRUMENTS IT1136105B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7901512A FR2447112A1 (en) 1979-01-22 1979-01-22 Signal frequency generator for musical instrument - uses single oscillator and memory controlled dividers

Publications (2)

Publication Number Publication Date
IT8012415A0 IT8012415A0 (en) 1980-01-21
IT1136105B true IT1136105B (en) 1986-08-27

Family

ID=9221021

Family Applications (1)

Application Number Title Priority Date Filing Date
IT12415/80A IT1136105B (en) 1979-01-22 1980-01-21 FREQUENCY SIGNAL TREATMENT DEVICE AND APPLICATION IN PARTICULAR TO ELECTRONIC MUSIC INSTRUMENTS

Country Status (2)

Country Link
FR (1) FR2447112A1 (en)
IT (1) IT1136105B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3610806A (en) * 1969-10-30 1971-10-05 North American Rockwell Adaptive sustain system for digital electronic organ
US3882400A (en) * 1972-11-27 1975-05-06 Sony Corp Broadcast receiver
JPS5421049B2 (en) * 1973-12-28 1979-07-27
US3854366A (en) * 1974-04-26 1974-12-17 Nippon Musical Instruments Mfg Automatic arpeggio
US4085645A (en) * 1976-10-29 1978-04-25 Motorola, Inc. Instantly retunable tone generator for an electronic musical instrument

Also Published As

Publication number Publication date
IT8012415A0 (en) 1980-01-21
FR2447112B1 (en) 1983-07-18
FR2447112A1 (en) 1980-08-14

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