DE566815C - Capacitor circuit for keyboard instruments - Google Patents
Capacitor circuit for keyboard instrumentsInfo
- Publication number
- DE566815C DE566815C DENDAT566815D DE566815DD DE566815C DE 566815 C DE566815 C DE 566815C DE NDAT566815 D DENDAT566815 D DE NDAT566815D DE 566815D D DE566815D D DE 566815DD DE 566815 C DE566815 C DE 566815C
- Authority
- DE
- Germany
- Prior art keywords
- capacitor circuit
- keyboard instruments
- key
- circuit
- capacitor
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electrophonic Musical Instruments (AREA)
Description
Kondensatorschaltung für Tasteninstrumente Im Hauptpatent 533 549 ist eine Parallelschaltung der parallel zu schaltenden Abstimmkondensatoren eines elektrischen Schwingungskreises für Tastenmusikinstrumente mit elektrischer Tonerzeugung beschrieben, welche die Eigentümlichkeit hat, daß von mehreren gleichzeitig gedrückten Tasten die höchste Taste allein zur Wirksamkeit gelangt, während alle tieferen Tasten totgelegt sind. Es können nun Fälle eintreten, wo das Umgekehrte gewünscht ist, und dies ist auch das Ziel vorliegender Erfindung, daß nämlich von mehreren gleichzeitig gedrückten Tasten die tiefste Taste den Vorzug bei der Tongebung erhält.Capacitor circuit for keyboard instruments in main patent 533 549 is a parallel connection of the tuning capacitors to be connected in parallel electrical oscillation circuit for keyboard musical instruments with electrical sound generation described, which has the peculiarity of being pressed by several at the same time Keys, the highest key alone has an effect, while all lower keys are dead. Cases can now arise where the reverse is desired, and this is also the aim of the present invention, namely that of several at the same time keys pressed, the lowest key is given preference for tone generation.
Erfindungsgemäß geht die neue Schaltung aus der Schaltung nach dem Hauptpatent 533 549 dadurch hervor, daß jede Taste außer dem im Hauptpatent vorgesehenen Ruhekontakt noch einen Arbeitskontakt erhält, wobei die Arbeitskontakte sämtlicher Tasten durch eine gemeinsame Leitung miteinander verbunden sind.According to the invention, the new circuit is based on the circuit according to the Main patent 533 549 in that every key except the one provided in the main patent Normally closed contact still receives a working contact, the working contacts of all Keys are connected to each other by a common line.
In der Abbildung besteht der Schwingungskreis aus der Spule r und den Tastenkondensatoren r, s, t, 7e, v. Wie im Hauptpatent «,erden die Kondensatoren durch die Ruhekontakte der Tasten c, cis, d, dis, e zu einer Parallelschaltung verbunden und durch die Leitung h bei ruhenden Tasten kurzgeschlossen. Wird nun eine Taste gedrückt und der bewegliche Tastenteil dadurch auf den Arbeitskontakt gelegt, so wird dadurch gegenüber den Verhältnissen bei der Schaltung des Hauptpatents nichts geändert. Wird zu einer zuerst gedrückten Taste, z. B. e, wodurch der Kondensator v zur Wirkung gelangte, jetzt noch eine zweite Taste, z. B. cis, hinzugedrückt, so werden jetzt noch die Kondensatoren s, t, 2s über die Ruhekontakte von dis und d, die Arbeitskontakte von cis und e und über die gemeinsame Leitung parallel zum Kondensator v gelegt, es wird also der zur Taste cis gehörende Ton erklingen, wie es beabsichtigt war. Werden mehr als zwei Tasten gleichzeitig gedrückt, so bleiben die mittleren und die oberste Taste ohne Wirksamkeit.In the figure, the resonant circuit consists of the coil r and the key capacitors r, s, t, 7e, v. As in the main patent «, the capacitors are connected to a parallel circuit by the normally closed contacts of the keys c, cis, d, dis, e and short-circuited by the line h when the keys are idle. If a key is now pressed and the movable key part is placed on the normally open contact, nothing is changed as a result of the conditions in the circuit of the main patent. Becomes a key pressed first, e.g. B. e, whereby the capacitor v came into effect, now a second button, z. B. c sharp, then the capacitors s, t, 2s are now connected to the normally closed contacts of dis and d, the working contacts of c sharp and e and over the common line parallel to the capacitor v, so it becomes the one belonging to the c sharp key Sound sound as it was intended. If more than two buttons are pressed at the same time, the middle and top buttons remain ineffective.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE566815T |
Publications (1)
Publication Number | Publication Date |
---|---|
DE566815C true DE566815C (en) | 1932-12-22 |
Family
ID=6567664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT566815D Expired DE566815C (en) | Capacitor circuit for keyboard instruments |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE566815C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2577493A (en) * | 1943-12-23 | 1951-12-04 | Hartford Nat Bank & Trust Co | Electric musical instrument |
-
0
- DE DENDAT566815D patent/DE566815C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2577493A (en) * | 1943-12-23 | 1951-12-04 | Hartford Nat Bank & Trust Co | Electric musical instrument |
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