Electronic musical instrument with automatic ending accompaniment function

Claim 2

An electronic musical instrument with an automatic accompaniment function, comprising: automatic accompaniment pattern generating means for selectively generating an automatic accompaniment pattern data; control means for outputting an instruction signal for the execution of said automatic accompaniment, said control means comprising an ending switch and means for outputting an ending instruction signal for the execution of an automatic ending accompaniment according to the operation of said ending switch; sound generating means for generating accompaniment sounds according to the selected automatic accompaniment pattern data; said automatic accompaniment pattern generating means including means for generating automatic ending accompaniment pattern data in response to said ending instruction signal; and terminating means coupled to said sound generating means for terminating the automatic ending accompaniment of said sound generating means, said terminating means including detecting means for detecting a condition that a final sound of the ending accompaniment pattern is generated, and means coupled to said detecting means for terminating the automatic ending accompaniment responsive to said detecting means detecting said condition, and for automatically disabling said sound generating means.

Claim 3

The electronic musical instrument of claim 1, wherein said automatic accompaniment pattern generating means comprises: tempo setting means for setting the tempo of an accompaniment to be performed; ordinary automatic accompaniment pattern selecting means for selecting an ordinary automatic accompaniment pattern; and producing means for producing data corresponding to the selected ordinary automatic accompaniment pattern on the basis of the output of said ordinary automatic accompaniment pattern selecting means and the set tempo, thereby generating an ordinary accompaniment sound on the basis of the accompaniment pettern data thus produced.

Claim 4

The electronic musical instrument of claim 2, wherein said tempo setting means comprises a tempo generator; and a tempo counter for counting the output of said tempo generator.

Claim 5

The electronic musical instrument of claim 3, wherein said ordinary automatic accompaniment pattern selecting means comprises a rhythm pattern switch; and a selector for outputting a predetermined rhythm pattern selection output in response to an output of said rhythm pattern switch.

Claim 6

The electronic musical instrument of claim 4, wherein said producing means comprises means for outputting a first memory address signal on the basis of the output of said tempo counter and the output of said selector; and first memory means for outputting accompaniment pattern data stored therein and accessed by said first memory address signal.

Claim 7

The electronic musical instrument of claim 5, wherein said control means comprises means for generating an ending signal in response to the operation of said ending switch; and gate means to which the ending signal thus generated is supplied.

Claim 8

The electronic musical instrument of claim 6, wherein said control means further comprises counted value detecting means for detecting the count value of said tempo counter; and means for opening said gate means by the carry output of said tempo counter and the output of said detecting means when the count value is lower than a predetermined value.

Claim 9

The electronic musical instrument of claim 7, wherein said automatic accompaniment pattern generating means comprises: means for generating an ending instruction signal in response to the output of said gate means; means for outputting a second memory address signal on the basis of the ending instruction signal and the output of said tempo counter; and second memory means for outputting the ending accompaniment pattern data accessed by said second memory address signal, thereby generating an ending accompaniment sound on the basis of the ending accompaniment pattern data thus obtained.

Claim 10

The electronic musical instrument of claim 8, wherein said first memory means comprises a ROM having a first memory section accessed by said first memory address signal; and said second memory means comprises a second memory section of said ROM and which is accessed by said second memory address signal.

Claim 11

The electronic musical instrument of claim 8, wherein said tempo counter is an octal counter; said counted value detecting means outputs an output "1" when the count value of said tempo counter becomes "5" or higher; and said gate means is closed by said output "1" of said counted value detecting means.

Claim 12

The electronic musical instrument of claim 8, further comprising rhythm start/stop control means for controlling the supply of the outputs of said first and second memory means to said sound generating means.

Claim 13

An electronic musical instrument with an automatic accompaniment function, comprising: automatic accompaniment pattern generating means for selectively generating an automatic accompaniment pattern data; control means for outputting an instruction signal for the execution of said automatic accompaniment, said control means comprising an ending switch and means for outputting an ending instruction signal for the execution of an automatic ending accompaniment according to the operation of said ending switch; sound generating means for generating accompaniment sounds according to the selected automatic accompaniment pattern data; said automatic accompaniment pattern generating means including means for generating automatic ending accompaniment pattern data in response to said ending instruction signal; and terminating means coupled to said sound generating means for terminating the automatic ending accompaniment of said sound generating means, said terminating means including detecting means for detecting a predetermined data in the automatic ending accompaniment pattern data which is generated by said automatic accompaniment pattern generating means, and means coupled to said detecting means for terminating the automatic ending accompaniment responsive to said detecting means detecting said predetermined data, and for automatically disabling said sound generating means.

Claim 14

An electronic musical instrument with an automatic accompaniment function, comprising: automatic accompaniment pattern generating means for selectively generating an automatic accompaniment pattern data; control means for outputting an instruction signal for the execution of said automatic accompaniment, said control means comprising an ending switch and means for outputting an ending instruction signal for the execution of an automatic ending accompaniment according to the operation of said ending switch; sound generating means for generating accompaniment sounds according to the selected automatic accompaniment pattern data; said automatic accompaniment pattern generating means including means for generating automatic ending accompaniment pattern data in response to said ending instruction signal; and terminating means coupled to said sound generating means for terminating the automatic ending accompaniment of said sound generating means, said terminating means including detecting means for detecting a predetermined data in the automatic ending accompaniment pattern data which is generated by said automatic accompaniment pattern generating means, and means coupled to said detecting means for terminating the automatic ending accompaniment responsive to said detecting means detecting said predetermined data, and for automatically disabling said sound generating means.

Claim 15

The electronic musical instrument of claim 12, wherein said detecting means includes means for detecting a final code contained in the outputted ending accompaniment pattern data; and further comprising means for preventing the supply of the ending accompaniment pattern data to said sound generating means as a function of the output of said detecting means.

Claim 16

The electronic musical instrument of claim 12, wherein said automatic accompaniment pattern generating means comprises: tempo setting means for setting the tempo of an accompaniment to be performed;

Claim 17

ordinary automatic accompaniment pattern selecting means for selecting an ordinary automatic accompaniment pattern; and producing means for producing data corresponding to the selected ordinary automatic accompaniment pattern on the basis of the output of said ordinary automatic accompaniment pattern selecting means and the set tempo, thereby generating an ordinary accompaniment sound on the basis of the accompaniment pattern data thus produced.

Claim 18

ordinary automatic accompaniment pattern selecting means for selecting an ordinary automatic accompaniment pattern; and producing means for producing data corresponding to the selected ordinary automatic accompaniment pattern on the basis of the output of said ordinary automatic accompaniment pattern selecting means and the set tempo, thereby generating an ordinary accompaniment sound on the basis of the accompaniment pattern data thus produced.

Claim 19

The electronic musical instrument of claim 14, wherein said tempo setting means comprises a tempo generator; and a tempo counter for counting the output of said tempo generator.

Claim 20

The electronic musical instrument of claim 15, wherein said ordinary automatic accompaniment pattern selecting means comprises a rhythm pattern switch; and a selector for outputting a predetermined rhythm pattern selection output in response to an output of said rhythm pattern switch.

Claim 21

The electronic musical instrument of claim 16, wherein said producing means comprises means for outputting a first memory address signal on the basis of the output of said tempo counter and the output of said selector; and first memory means for outputting accompaniment pattern data stored therein and accessed by said first memory address signal.

Claim 22

The electronic musical instrument of claim 17, wherein said control means comprises means for generating an ending signal in response to the operation of said ending switch; and gate means to which the ending signal thus generated is supplied.

Claim 23

The electronic musical instrument of claim 18, wherein said control means further comprises counted value detecting means for detecting the count value of said tempo counter; and means for opening said gate means by a carry output of said tempo counter and the output of said detecting means when the count value is lower than a predetermined value.

Claim 24

The electronic musical instrument of claim 19, wherein said automatic accompaniment pattern generating means comprises: means for generating an ending instruction signal in response to the output of said gate means; means for outputting a second memory address signal on the basis of the ending instruction signal and the output of said tempo counter; and second memory means for outputting the ending accompaniment pattern data accessed by said second memory address signal, thereby generating an ending accompaniment sound on the basis of the ending accompaniment pattern data thus obtained.

Claim 25

The electronic musical instrument of claim 20, wherein said first memory means comprises a ROM having a first memory section accessed by said first memory address signal; and said second memory means comprises a second memory section of said ROM and which is accessed by said second memory address signal.

Claim 26

The electronic musical instrument of claim 20, wherein said tempo counter is an octal counter; said counted value detecting means outputs an output "1" when the count value of said tempo counter becomes "5" or higher; and said gate means is closed by said output "1" of said counted value detecting means.

Claim 27

The electronic musical instrument of claim 20, further comprising rhythm start/stop control means for controlling the supply of the outputs of said first and second memory means to said sound generating means.

Claim 28

An electronic musical instrument with an automatic accompaniment function, comprising: automatic accompaniment pattern generating means for selectively generating an automatic accompaniment pattern data; control means for outputting an instruction signal for the execution of said automatic accompaniment, said control means comprising an ending switch and means for outputting an ending instruction signal for the execution of an automatic ending accompaniment according to the operation of said ending switch; sound generating means for generating accompaniment sounds according to the selected automatic accompaniment pattern data; said automatic accompaniment pattern generating means including means for generating automatic ending accompaniment pattern data in response in said ending instruction signal; a keyboard having a plurality of manually operable keys for manual performance; and terminating means coupled to said sound generating means for terminating the automatic ending accompaniment of said sound generating means, said terminating means including detecting means for detecting the number of simultaneously depressed keys on said keyboard, and means coupled to said detecting means for terminating the automatic ending accompaniment when the detected number of simultaneously depressed keys exceeds a predetermined number.

Claim 29

An electronic musical instrument with an automatic accompaniment function, comprising: automatic accompaniment pattern generating means for selectively generating an automatic accompaniment pattern data; control means for outputting an instruction signal for the execution of said automatic accompaniment, said control means comprising an ending switch and means for outputting an ending instruction signal for the execution of an automatic ending accompaniment according to the operation of said ending switch; sound generating means for generating accompaniment sounds according to the selected automatic accompaniment pattern data; said automatic accompaniment pattern generating means including means for generating automatic ending accompaniment pattern data in response in said ending instruction signal; a keyboard having a plurality of manually operable keys for manual performance; and terminating means coupled to said sound generating means for terminating the automatic ending accompaniment of said sound generating means, said terminating means including detecting means for detecting the number of simultaneously depressed keys on said keyboard, and means coupled to said detecting means for terminating the automatic ending accompaniment when the detected number of simultaneously depressed keys exceeds a predetermined number.

Claim 30

The electronic musical instrument of claim 24, wherein said automatic accompaniment pattern generating means comprises: tempo setting means for setting the tempo of an accompaniment to be performed; ordinary automatic accompaniment pattern selecting means for selecting an ordinary automatic accompaniment pattern; and producing means for producing data corresponding to the selected ordinary automatic accompaniment pattern on the basis of the output of said ordinary automatic accompaniment pattern selecting means and the set tempo, thereby generating an ordinary accompaniment sound on the basis of the accompaniment pattern data thus produced.

Claim 31

The electronic musical instrument of claim 25, wherein said tempo setting means comprises a tempo generator; and a tempo counter for counting the output of said tempo generator.

Claim 32

The electronic musical instrument of claim 26, wherein said ordinary automatic accompaniment pattern selecting means comprises a rhythm pattern switch; and a selector for outputting a predetermined rhythm pattern selection output in response to an output of said rhythm pattern switch.

Claim 33

The electronic musical instrument of claim 27, wherein said producing means comprises means for outputting a first memory address signal on the basis of the output of said tempo counter and the output of said selector; and first memory means for outputting accompaniment pattern data stored therein and accessed by said first memory address signal.

Claim 34

The electronic musical instrument of claim 28, wherein said control means comprises means for generating an ending signal in response to the operation of said ending switch; and gate means to which the ending signal thus generated is supplied.

Claim 35

The electronic musical instrument of claim 29, wherein said control means further comprises counted value detecting means for detecting the count value of said tempo counter; and means for opening said gate means by a carry output of said tempo counter and the output of said detecting means when the count value is lower than a predetermined value.

Claim 36

The electronic musical instrument of claim 30, wherein said automatic accompaniment pattern generating means comprises: means for generating an ending instruction signal in response to the output of said gate means; means for outputting a second memory address signal on the basis of the ending instruction signal and the output of said tempo counter; and second memory means for outputting the ending accompaniment pattern data accessed by said second memory address signal, thereby generating an ending accompaniment sound on the basis of the ending accompaniment pattern data thus obtained.

Claim 37

The electronic musical instrument of claim 31, wherein said first memory means comprises a ROM having a first memory section accessed by said first memory address signal; and said second memory means comprises a second memory section of said ROM and which is accessed by said second memory address signal.

Claim 38

The electronic musical instrument of claim 31, wherein said tempo counter is an octal counter; said counted value detecting means outputs an output "1" when the count value of said tempo counter becomes "5" or higher; and said gate means is closed by said output "1" of said counted value detecting means.

Claim 39

The electronic musical instrument of claim 31, further comprising rhythm start/stop control means for controlling the supply of the outputs of said first and second memory means to said sound generating means.