Keyboard for bar matrix code
First Claim
1. In a keyboard for producing bar matrix coded alpha-numeric data, with the bar matrix comprising four outer bars in a rectangular pattern and four inner bars radiating from the center of the rectangle to the corners of the rectangle, the combination of five sets of keys in side by side relation for actuation by the respective five fingers of an operator'"'"'s hand,the first set comprising a key corresponding to the left vertical bar of said matrix,the second set comprising at least one key positioned to the right of said first set and corresponding to the two left inner bars of said matrix,the third set comprising at least one key positioned to the right of said second set and corresponding to the upper and lower horizontal bars of said matrix,the fourth set comprising at least one key positioned to the right of said third set and corresponding to the two right inner bars of said matrix, andthe fifth set comprising a key positioned to the right of said fourth set and corresponding to the right vertical bar of said matrix.
0 Assignments
0 Petitions
Accused Products
Abstract
A keyboard for generating alpha-numeric character data for an output device such as a printer or display or transmission line or memory or the like. A keyboard with five sets of keys for operation with one hand to produce an eight bar matrix character code, with the sets positioned in a row and with the central sets selectively providing upper, lower and combination of upper and lower bars of the matrix.
24 Citations
8 Claims
-
1. In a keyboard for producing bar matrix coded alpha-numeric data, with the bar matrix comprising four outer bars in a rectangular pattern and four inner bars radiating from the center of the rectangle to the corners of the rectangle, the combination of five sets of keys in side by side relation for actuation by the respective five fingers of an operator'"'"'s hand,
the first set comprising a key corresponding to the left vertical bar of said matrix, the second set comprising at least one key positioned to the right of said first set and corresponding to the two left inner bars of said matrix, the third set comprising at least one key positioned to the right of said second set and corresponding to the upper and lower horizontal bars of said matrix, the fourth set comprising at least one key positioned to the right of said third set and corresponding to the two right inner bars of said matrix, and the fifth set comprising a key positioned to the right of said fourth set and corresponding to the right vertical bar of said matrix.
Specification