FR1145749A - Apparatus for controlling the amplitude of an electric voltage and sound producing device comprising such apparatus - Google Patents

Apparatus for controlling the amplitude of an electric voltage and sound producing device comprising such apparatus

Info

Publication number
FR1145749A
FR1145749A FR1145749DA FR1145749A FR 1145749 A FR1145749 A FR 1145749A FR 1145749D A FR1145749D A FR 1145749DA FR 1145749 A FR1145749 A FR 1145749A
Authority
FR
France
Prior art keywords
amplitude
controlling
producing device
electric voltage
sound producing
Prior art date
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.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Research Council of Canada
Original Assignee
National Research Council of Canada
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 National Research Council of Canada filed Critical National Research Council of Canada
Application granted granted Critical
Publication of FR1145749A publication Critical patent/FR1145749A/en
Expired legal-status Critical Current

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
    • 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
    • G10H1/055—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 switches with variable impedance elements
    • G10H1/0551—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 switches with variable impedance elements using variable capacitors
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S84/00—Music
    • Y10S84/07—Electric key switch structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Electrophonic Musical Instruments (AREA)
FR1145749D 1955-01-28 1956-01-27 Apparatus for controlling the amplitude of an electric voltage and sound producing device comprising such apparatus Expired FR1145749A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US799312XA 1955-01-28 1955-01-28
US1145749XA 1955-01-28 1955-01-28
US484777A US2809547A (en) 1955-01-28 1955-01-28 Intensity control device for electrical musical instrument

Publications (1)

Publication Number Publication Date
FR1145749A true FR1145749A (en) 1957-10-29

Family

ID=63721169

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1145749D Expired FR1145749A (en) 1955-01-28 1956-01-27 Apparatus for controlling the amplitude of an electric voltage and sound producing device comprising such apparatus

Country Status (3)

Country Link
US (1) US2809547A (en)
FR (1) FR1145749A (en)
GB (1) GB799312A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007093A (en) * 1959-03-27 1961-10-31 Rca Corp Variable capacitor
NL267335A (en) * 1961-07-20 1900-01-01
NL298084A (en) * 1963-09-19
US4160400A (en) * 1975-09-29 1979-07-10 Marmon Company Touch responsive keying unit for electronic musical instruments
IT1217265B (en) * 1981-11-16 1990-03-22 Intercontinental Electronics S REALIZATION OF VOLUME DYNAMICS IN KEYBOARD MUSICAL INSTRUMENTS, WITH A SINGLE TRANSDUCER FOR A NUMBER OF KEYS EXCEEDING ONE
JP2011123191A (en) * 2009-12-09 2011-06-23 Roland Corp Key operation speed detection device of electronic musical instrument
FR3084507B1 (en) * 2018-07-30 2020-07-17 Arturia ELECTRONIC MUSIC INSTRUMENT KEYBOARD WITH SENSITIVE KEYS FOR SOUND MODULATION

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1738194A (en) * 1929-12-03 Condenser
US2215709A (en) * 1939-03-09 1940-09-24 Miessner Inventions Inc Apparatus for the production of music
BE478263A (en) * 1946-12-17
US2696576A (en) * 1951-07-17 1954-12-07 John A Connor Coaxial capacitor

Also Published As

Publication number Publication date
GB799312A (en) 1958-08-06
US2809547A (en) 1957-10-15

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