Electronic musical instrument

Claim 2

An electronic musical instrument comprising a keyboard apparatus for players to perform the melody or accompaniment of a music, a keyboard information detecting means for detecting information on the key depressed by said keyboard apparatus, a musical performance mode detecting means for automatically-detecting a performing method of determining a chord according to the output from said keyboard information detecting means, and a chord distinguishing means for distinguishing the chord in accordance with the output from said keyboard information detecting means and the output from said performing mode detecting means.

Claim 3

An electronic musical instrument in accordance with Claim 1, wherein the keyboard information detecting means is composed of a hand keyboard information means for detecting the depressed key information of a hand keyboard.

Claim 4

An electronic musical instrument in accordance with Claim 1, wherein the keyboard information detecting means is composed of a hand keyboard information means for detecting the depressed key information of the hand keyboard and a foot keyboard information detecting means for detecting the depressed key information of the foot keyboard.

Claim 5

An electronic musical instrument in accordance with Claim 2 or Claim 3, wherein the hand keyboard information detecting means is composed of a depressed-key note-name detecting means for detecting the note name of a key depressed by the hand keyboard and a detecting means for detecting the number of the depressed keys for detecting the number of the depressed keys.

Claim 6

An electronic musical instrument in accordance with Claim 3, wherein a foot keyboard information detecting apparatus is composed of a depressed-key note-name detecting means for detecting the note name of a key depressed by a foot keyboard and a depressed-key detecting means for detecting whether or not the foot keyboard is depressed.

Claim 7

An electronic musical instrument comprising a keyboard apparatus for players to perform the melody or accompaniment of a music, a keyboard information detecting means for detecting information on the depressed key of said keyboard apparatus, a musical performance mode detecting means for automatically detecting a performing method of determining a chord according to the output from said keyboard information detecting means, a chord type specifying means for specifying the type of chords of major, minor, seventh, etc., and a chord distinguishing means for distinguishing a chord according to the output from said keyboard information detecting means, the output from said musical performance mode detecting means and the output from said chord type specifying means.

Claim 8

An electronic musical instrument comprising a keyboard apparatus for players to perform the melody or accompaniment of a music, a keyboard information detecting means for detecting information on the depressed key of said keyboard apparatus, a musical performance mode detecting means for automatically detecting a performing method of determining a chord according to the output from said keyboard information detecting means, a chord type specifying means for specifying the type of chords of major, minor, seventh, etc., and a chord distinguishing means for distinguishing a chord according to the output from said keyboard information detecting means, the output from said musical performance mode detecting means and the output from said chord type specifying means.

Claim 9

An electronic musical instrument in accordance with Claim 6, wherein a chord type specifying means is composed of a foot keyboard, a black-key on detecting means for detecting the depression of the black key of said foot keyboard, a white-key on detecting means for detecting the depression of the white key of said foot keyboard and a chord type specifying means for specifying the chord type by the detection output of said black-key on detecting means and said white-key on detecting means.

Claim 10

An electronic musical instrument comprising a keyboard apparatus for players to perform the melody or accompaniment of a music, a keyboard information detecting means for detecting information on the depressed key of said keyboard apparatus, a musical performance mode detecting means for automatically detecting a performing method of determining a chord according to the output from said key board information detecting means, a chord distinguishing means for distinguishing the chord in accordance with the output from said keyboard information detecting means and the output from said performing mode detecting means, a chord length specifying means for specifying the length of the chord, a write means for causing the information of the output of said chord distinguishing means and of the output of the chord length specifying means to be stored, and a chord storing means for causing the output of said memory means to store the distinguished chord and the chord length.

Claim 11

An electronic musical instrument comprising a keyboard apparatus for players to perform the melody or accompaniment of a music, a keyboard information detecting means for detecting information on the depressed key of said keyboard apparatus, a musical performance mode detecting means for automatically detecting a performing method of determining a chord according to the output from said key board information detecting means, a chord distinguishing means for distinguishing the chord in accordance with the output from said keyboard information detecting means and the output from said performing mode detecting means, a chord length specifying means for specifying the length of the chord, a write means for causing the information of the output of said chord distinguishing means and of the output of the chord length specifying means to be stored, and a chord storing means for causing the output of said memory means to store the distinguished chord and the chord length.