Portable hand held reading unit with reading aid feature

Details Portable hand held reading unit with reading aid feature Portable hand held reading unit with reading aid feature

1990-05-21

1993-08-03

Oberley, Alvin E.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340749, 434112, 434317, G09G 304, G09B 2100, G09B 506

Patent

active

052333337

ABSTRACT:
A hand held portable reading unit having a screen capable of presenting characters in variable font sizes is provided for readers, such as the visually impaired, allowing them to read characters in a font size most comfortable to them. The reader effects font size changes by depressing a font size select button, in turn activating a counter incremented the number of times the button has been depressed to generate the corresponding size font desired. The incremented counter may be used to address a particular place in memory where bit-mapped characters of different font sizes are stored or may be used as a scalar inputted into a character scaling algorithm to generate a desired character font size. The stored textual data may further be presented in useable form to the blind wherein an audible processor is utilized to convert the stored character code into audible signals inputted into a speaker.

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