Education and demonstration – Communication aids for the handicapped – Tactile reading aid
Patent
1987-02-13
1988-07-19
Apley, Richard J.
Education and demonstration
Communication aids for the handicapped
Tactile reading aid
340407, G09B 2100
Patent
active
047581654
ABSTRACT:
A braille cell having piezoelectric reeds (8-11) attached at one end (28), supported in their middle region (at 29) and cooperating with tactile members (12-15) at their other end. The attachment of the reeds at their one end (28) being by soldering a protruding part of the reeds to a conducting web (32) parallel to the flexion plane of the reeds. The other ends of the reeds are then located in the desired position with respect to the tactile members.
REFERENCES:
patent: 3229387 (1966-01-01), Linvill
patent: 4044350 (1977-08-01), Tretiakoff et al.
patent: 4283178 (1981-08-01), Tetzlaff
patent: 4445871 (1984-05-01), Becker
patent: 4473356 (1984-09-01), Fernando et al.
patent: 4633121 (1986-12-01), Ogawa et al.
patent: 4664632 (1987-05-01), Tretiakoff et al.
Tieman Frans J.
Zeehuisen Kees
Apley Richard J.
F. J. Tieman B.V.
Welsh J.
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