BE772689A - Procede et appareillage pour adresser une memoire a des vitesses commandees selectivement - Google Patents

Procede et appareillage pour adresser une memoire a des vitesses commandees selectivement

Info

Publication number
BE772689A
BE772689A BE772689A BE772689A BE772689A BE 772689 A BE772689 A BE 772689A BE 772689 A BE772689 A BE 772689A BE 772689 A BE772689 A BE 772689A BE 772689 A BE772689 A BE 772689A
Authority
BE
Belgium
Prior art keywords
addressing
memory
selectively controlled
controlled speeds
speeds
Prior art date
Application number
BE772689A
Other languages
English (en)
Inventor
G A Watson
Original Assignee
North American Rockwell
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27582831&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BE772689(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by North American Rockwell filed Critical North American Rockwell
Publication of BE772689A publication Critical patent/BE772689A/fr

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
    • G10H7/02—Instruments in which the tones are synthesised from a data store, e.g. computer organs in which amplitudes at successive sample points of a tone waveform are stored in one or more memories
    • G10H7/04—Instruments in which the tones are synthesised from a data store, e.g. computer organs in which amplitudes at successive sample points of a tone waveform are stored in one or more memories in which amplitudes are read at varying rates, e.g. according to pitch
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/03—Digital function generators working, at least partly, by table look-up
    • G06F1/0321—Waveform generators, i.e. devices for generating periodical functions of time, e.g. direct digital synthesizers
    • G06F1/0328—Waveform generators, i.e. devices for generating periodical functions of time, e.g. direct digital synthesizers in which the phase increment is adjustable, e.g. by using an adder-accumulator
    • 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
    • G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
    • G10H1/04—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation
    • G10H1/053—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only
    • G10H1/057—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only by envelope-forming circuits
    • G10H1/0575—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only by envelope-forming circuits using a data store from which the envelope is synthesized
    • 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
    • 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
    • G10H1/20—Selecting circuits for transposition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electrophonic Musical Instruments (AREA)
BE772689A 1969-10-30 1971-09-16 Procede et appareillage pour adresser une memoire a des vitesses commandees selectivement BE772689A (fr)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
US87259969A 1969-10-30 1969-10-30
US87259769A 1969-10-30 1969-10-30
US87260069A 1969-10-30 1969-10-30
US87259869A 1969-10-30 1969-10-30
US87517869A 1969-11-10 1969-11-10
US17099271A 1971-08-11 1971-08-11
GB3994671 1971-08-25
AU32776/71A AU449757B2 (en) 1969-10-30 1971-08-26 Method and apparatus for addressing a memory at selectively controlled rates
NLAANVRAGE7112290,A NL174997C (nl) 1969-10-30 1971-09-07 Inrichting om een geheugen met selectief bestuurde snelheden te adresseren.
FR7133790A FR2153149B1 (fr) 1969-10-30 1971-09-20
DE2149104A DE2149104C3 (de) 1969-10-30 1971-09-28 Verfahren zur Erzeugung elektrischer Schwingungen
CH1505971A CH559956A5 (fr) 1969-10-30 1971-10-15

Publications (1)

Publication Number Publication Date
BE772689A true BE772689A (fr) 1972-01-17

Family

ID=27582831

Family Applications (1)

Application Number Title Priority Date Filing Date
BE772689A BE772689A (fr) 1969-10-30 1971-09-16 Procede et appareillage pour adresser une memoire a des vitesses commandees selectivement

Country Status (8)

Country Link
US (6) US3610806A (fr)
AU (1) AU449757B2 (fr)
BE (1) BE772689A (fr)
CH (1) CH559956A5 (fr)
DE (1) DE2149104C3 (fr)
FR (1) FR2153149B1 (fr)
GB (1) GB1317385A (fr)
NL (1) NL174997C (fr)

Families Citing this family (269)

* Cited by examiner, † Cited by third party
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US3610806A (en) 1971-10-05
GB1317385A (en) 1973-05-16
NL174997C (nl) 1984-04-02
DE2149104A1 (de) 1973-04-12
NL7112290A (fr) 1973-03-09
US3743755A (en) 1973-07-03
NL174997B (nl) 1984-04-02
DE2149104B2 (de) 1980-10-09
US3610805A (en) 1971-10-05
US3639913A (en) 1972-02-01
US3610799A (en) 1971-10-05
US3610800A (en) 1971-10-05
AU449757B2 (en) 1974-06-20
AU3277671A (en) 1973-03-01
FR2153149A1 (fr) 1973-05-04
DE2149104C3 (de) 1981-06-11
CH559956A5 (fr) 1975-03-14
FR2153149B1 (fr) 1975-08-29

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Owner name: ALLEN ORGAN CY

Effective date: 19860930