Portable word processor

Details Portable word processor Portable word processor

G - Physics

06

F

354/236

G06F 3/02 (2006.01) G06F 3/14 (2006.01) G06F 17/27 (2006.01)

Patent

CA 1173974

38/SO1521 S81P223 WORD PROCESSOR ABSTRACT OF THE DISCLOSURE A portable word processor incorporates a keyboard for typing in data relating to a textual document, a microprocessor for processing the data, and a microcassette recorder for storing each page of the textual data when typing of the page is complete. A half-line liquid-crystal character display is situated on an operating panel of the word processor above the keyboard. The microprocessor includes a text buffer memory having a capacity corresponding to one page, for example, 1800 characters or 66 lines of text. An above- line scroll key and a below-line scroll key are included on the operation panel to control the presentation on the character display. When the above-line scroll key is depressed, the half-line segment next previous to the half line being presented on the display is furnished from the text buffer memory to a buffer/driver associated with the display. When the below-line scroll key is depressed, the next successive half line is furnished to the buffer/driver. These keys bear distinctive markings to aid in operator function recognition. -i-

392337

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