Keyboard chord and rhythm coordinator专利检索-箭头键导航键键盘外围设备硬件计算机系统电脑零配件专利检索查询-专利查询网

Keyboard chord and rhythm coordinator

阅读：225发布：2021-11-30

专利汇可以提供Keyboard chord and rhythm coordinator专利检索，专利查询，专利分析的服务。并且The invention is a music training aid for developing the piano student''s left and right hand coordination and rhythm without confusing the learning process with the prematurely introduced complications of note reading and tone length. The device has a stiff planar base or backing on which are mounted a plurality of hinged panels, each of which relates to a particular key signature and has a display of piano keyboard along its upper border. The keys of each keyboard display which fall into the indicated key signature are identified by letter names, with the extraneous keys being unnamed and several chord cards are slideable in a track behind the keyboard displays and have spaced arrows thereon indicating the notes on the keyboard which are used in a particular chord type. The lower portions of the panels have indicia representing base and treble clef measures which are filled in by the student with the letter names of the scale tones of the chords which he has selected with the cards, and pivoted strips indicating different time signatures and meter signatures are extensible between the bass and treble measures to establish the rhythm the student uses while playing with both hands the notes he has named in the measure spaces.，下面是Keyboard chord and rhythm coordinator专利的具体信息内容。

权利要求

1. An aid for teaching rhythm coordination comprising: a. a planar base member; b. a plurality of selectively exposeable panels secured to a lower portion of the forward face of said base member and having coincident straight upper edges; c. each of said panels having indicia naming a particular key signature, a display of at least a portion of a piano keyboard bordering the upper edge thereof, the keys of said keyboard belonging in said particular key signature being identified by their letter names; d. means of selecting individual keys of said keyboard representing the scale tones of a particular tone sequence; e. said panels each being provided with a circumscribed writing area beneath the keyboard display thereon, whereby a student can select a key signature by exposing an appropriate one of said panels, select a tone sequence within the selected key signature with said selecting means, and inscribe the scale tone names indicated on the respective keyboard display by said insert on said writing space.

2. Structure according to claim 1 wherein each of said panels is provided with a treble clef symbol and a bass clef symbol, indicia adjacent each clef symbol identifying the incidentals of the key signature named on the respective panel, and said writing area comprises two writing spaces, one adjacent the incidental indicia adjacent each clef symbol, whereby a student can inscribe the scale tone names of a chosen tone sequence in each of said two writing spaces and play the named tones simultaneously in the bars and treble octaves on a keyboard.

3. Structure according to claim 2 wherein said two writing spaces are laterally elongated, vertically spaced from one another and subdivided into equal numbers of individual measure spaces.

4. Structure according to claim 3 wherein said measure spaces of the upper and lower of said writing spaces are vertically aligned, and including a plurality of strips secured to said base member and individually extendable into operative position across said panels between the writing spaces of the exposed one of said panels, each of said strips having indicia thereon indicating a particular time signature and numbered meter signatures corresponding to said particular time signature which are vertically aligned with said measure spaces when the respective strip is extended into operative position.

5. Structure according to claim 4 wherein said panels are hinged to one side of the forward face of said base member, and said strips are pivoted to the other side of the forward face of said base member.

6. Structure according to claim 1 and including track means secured to said base member behind said panels and parallel to the upper edges thereof, and said means of selecting individual keys comprises at least one chord card resting in said track means and slideably adjustable therein, said card naming a particular chord type and having indicator means thereon spaced to register with selected keys of the exposed keyboard display constituting said particular chord type.

7. Structure according to claim 6 wherein said chord card has indicator means on both sides thereof sUch that the indicator means on each side is spaced to register with keys representing a chord type different from the other side.

说明书全文

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