(under subclass 61) Subject matter wherein a particular representation is generated in a form (a) which is to be principally interpreted by a sense other than the sense of sight or (b) which is easy to perceive by an individual having partial loss of sight.
(1) Note. Examples of nonvisible displays are a matrix of mechanical or electrical elements which selectively apply pressure or voltage to portions of a person and electrodes which may be implanted into appropriate areas of the brain.
SEE OR SEARCH CLASS
434, Education and Demonstration,
112+, for reading devices for the blind.
623, Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor, appropriate subclasses for artificial body members, including seeing aids for the blind.