G - Physics – 06 – F
Patent
G - Physics
06
F
354/236.11
G06F 3/12 (2006.01) B41J 3/01 (2006.01) G06K 15/10 (2006.01)
Patent
CA 1145055
ABSTRACT A wire matrix printer has a plurality of heads, each consisting of nine wires arranged in a slanting format The printer can be controlled to print Oreintal type characters such as Japanese by loading a wire image map of the characters into a memory. The loading technique loads the memory in a slanted fashion corresponding to the slant of the print heads and reads from the memory in a bit column manner to correspond to the position of the various wires of the multihead print block. The loading and unloading of the wire image memory is controlled by a pair of microprocessors operating respectively on different halves of the memory, such that at any given time, half of the memory is being loaded while the other half is being read from. Thereafter, the memory is switched so that the loaded half is read and the previously read half is cleared and loaded with a new line of information. Docket BC9-79-023
358712
Gowling Lafleur Henderson Llp
International Business Machines Corporation
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