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Electronic musical instrument which compares amount of data recorded in internal memory device with storage capacity of external memory device and selectively transfers data thereto

  • US 4,898,059 A
  • Filed: 02/08/1988
  • Issued: 02/06/1990
  • Est. Priority Date: 02/06/1987
  • Status: Expired due to Fees
First Claim
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1. An electronic musical instrument comprising:

  • (a) input keys;

    (b) internal memory means;

    (c) writing control means for writing operation data corresponding to an operation of said input keys into said internal memory means;

    (d) musical tone signal generating means for generating a musical tone signal corresponding to said operation data;

    (e) external memory means which can be freely attached to and detached from a main body of said electronic musical instrument; and

    (f) transfer control means for comparing an operation data quantity of said operation data stored in said internal memory means with the storage capacity of said external memory means prior to transfer when said operation data stored in said internal memory means are to be transferred to said external memory means, all of said operation data being transferred to said external memory means when said storage capacity is larger than said operation data quantity, a certain part of said operation data being selectively transferred to said external memory means when said storage capacity is smaller than said operation data quantity.

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