DE539665C - Electric musical instrument - Google Patents

Electric musical instrument

Info

Publication number
DE539665C
DE539665C DEM91930D DEM0091930D DE539665C DE 539665 C DE539665 C DE 539665C DE M91930 D DEM91930 D DE M91930D DE M0091930 D DEM0091930 D DE M0091930D DE 539665 C DE539665 C DE 539665C
Authority
DE
Germany
Prior art keywords
frequency
musical instrument
electric musical
frequency oscillations
sound
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
DEM91930D
Other languages
German (de)
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.)
JOERG MAGER
Original Assignee
JOERG MAGER
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 JOERG MAGER filed Critical JOERG MAGER
Priority to DEM91930D priority Critical patent/DE539665C/en
Application granted granted Critical
Publication of DE539665C publication Critical patent/DE539665C/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
    • G10H5/00—Instruments in which the tones are generated by means of electronic generators
    • G10H5/02—Instruments in which the tones are generated by means of electronic generators using generation of basic tones
    • G10H5/08—Instruments in which the tones are generated by means of electronic generators using generation of basic tones tones generated by heterodyning

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)

Description

Elektrisches Musikinstrument Es sind elektrische Musikinstrumente bekannt, bei denen durch Überlagerung von hochfrequenten, d. h. überhörfrequenten, elektrischen Schwingungen tonfrequente Schwebungen erzeugt und nach Gleichrichtung und gegebenenfalls nach Verstärkung im Telephon in Töne umgewandelt werden, deren Höhe durch Schaltmaßnahmen in dem einen der Hochfrequenzkreise verändert wurde.Electric musical instrument They are electric musical instruments known, in which by superimposition of high-frequency, d. H. overhearing frequencies, electrical vibrations generated audio-frequency beats and after rectification and possibly converted into tones after amplification in the telephone, their Height due to switching measures in which one of the high-frequency circuits was changed.

Man benutzte hierbei sinusförmige Hochfrequenzschwingungen, so daß auch die tonfrequenten Schwingungen Sinusform erhielten, und mußte daher, um die für eine musikalische Wirkung erforderlichen Obertöne zu erhalten, drei oder mehr Hochfrequenzschwingungen kombinieren und in zwei oder mehr Hochfrequenzkreisen Schaltungen zur Änderung der Frequenz vornehmen. Dieses Verfahren ist praktisch undurchführbar.Sinusoidal high-frequency oscillations were used here, so that the sound-frequency vibrations were also given a sinusoidal shape, and therefore had to in order to obtain the To obtain the harmonics required for a musical effect, three or more High frequency vibrations combine and make circuits in two or more high frequency circuits to change the frequency. This procedure is practically impracticable.

Gemäß der Erfindung werden nun zwei Hochfrequenzschwingungen einander überlagert, deren Schwingungsform durch die Wahl von Audionröhren mit passender Charakteristik und von geeigneten Schaltungen mit Oberschwingungen versehen ist, so daß schon die Überlagerung dieser zwei Schwingungen und die Gleichrichtung. der Schwebung tonfrequente Schwingungen, bestehend aus Grundton und den für eine musikalische Wirkung erforderlichen Obertönen, ergibt. Vorzugsweise benutzt man zur Erzeugung der Hochfrequenzen einen Röhrensummer und ein Schwingaudion. Bei einem Instrument nach der Erfindung braucht man also nur die Frequenz eines einzigen Hochfrequenzkreises durch Schaltmaßnahmen zu ändern, um den Ton über den ganzen für musikalische Darbietungen erforderlichen Bereich zu ändern. Dadurch erhält das Instrument erst die für die praktische Verwendung erforderliche Einfachheit.According to the invention, two high-frequency oscillations now become one another superimposed their waveform by choosing audio tubes with matching Characteristics and is provided with harmonics by suitable circuits, so that the superposition of these two oscillations and the rectification. the Beat tone-frequency vibrations, consisting of the fundamental tone and the one for a musical one Effect required overtones. Preferably used for generation the high frequencies a tube buzzer and a swing audion. With an instrument According to the invention, you only need the frequency of a single high-frequency circuit by switching to change the sound all over for musical performances required area to change. This means that the instrument only receives the practical use required simplicity.

Das Instrument nach der Erfindung ist sowohl als Tasteninstrument .ausführbar, bei dem die Tonhöhe durch Zu- und Abschalten von Kondensatoren oder Selbstinduktionen mittels der Tasten verändert wird, als auch in solcher Form, daß ein Abstimmelement, z. B. ein Nierenplattenkondensator, durch Drehen einer Kurbel stetig verändert wird.The instrument according to the invention is both a keyboard instrument . Executable in which the pitch can be changed by connecting and disconnecting capacitors or Self-induction by means of the keys is changed, as well as in such a way that a tuning element, e.g. B. a kidney plate capacitor, by turning a crank is constantly changing.

Claims (1)

PATENTANSPRUCH: Elektrisches Musikinstrument, bei dem der Ton durch Überlagerung von zwei überhörfrequenten Schwingungen und Gleichrichtung der Schwebung erzeugt wird, dadurch gekennzeichnet, daß die Kurvenform der Hochfrequenzschwingungen durch passende Wahl der Röhren und Schaltungen so gestaltet ist, daß die entstehenden tonfrequenten Schwingungen außer dem Grundton die für eine musikalische Wirkung erforderlichen Obertöne enthalten. PATENT CLAIM: Electric musical instrument in which the sound is generated by superimposing two overhearing-frequency oscillations and rectifying the beat, characterized in that the waveform of the high-frequency oscillations is designed by a suitable choice of tubes and circuits so that the resulting sound-frequency oscillations apart from the fundamental tone contain overtones necessary for a musical effect.
DEM91930D 1925-10-30 1925-10-30 Electric musical instrument Expired DE539665C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEM91930D DE539665C (en) 1925-10-30 1925-10-30 Electric musical instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM91930D DE539665C (en) 1925-10-30 1925-10-30 Electric musical instrument

Publications (1)

Publication Number Publication Date
DE539665C true DE539665C (en) 1931-12-01

Family

ID=7321971

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM91930D Expired DE539665C (en) 1925-10-30 1925-10-30 Electric musical instrument

Country Status (1)

Country Link
DE (1) DE539665C (en)

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