Confirmation sound generation for indicating effective key input

Details Confirmation sound generation for indicating effective key input Confirmation sound generation for indicating effective key input

1979-03-20

1981-02-03

Smith, Jerry

Boots, shoes, and leggings

340365E, 340384E, 340502, G08B 2100

Patent

active

042492459

ABSTRACT:
A confirmation sound generation system for developing a confirmation sound upon actuation of keys included in a key input means of an electronic apparatus. A determination means is provided for determining whether the presently conducted key input operation is effective. The determination means develops a determination output for activating said confirmation sound generation system only when an effective key input operation is conducted.

REFERENCES:
patent: 3624645 (1971-11-01), Gluck et al.
patent: 3893091 (1975-07-01), Lee
patent: 3983553 (1976-09-01), Kesling

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