Typewriting machines – Including plural – independently supported key-boards,...
Patent
1984-11-15
1986-06-17
Sewell, Paul T.
Typewriting machines
Including plural, independently supported key-boards,...
101 9312, 400149, B41J 350
Patent
active
045953031
ABSTRACT:
A printing apparatus having a first and a second printing assembly supported on a carrier which reciprocates along a line of printing defined on a platen. The first printing assembly has type elements adapted to be abuttable on the platen for printing characters on a sheet of paper supported on the platen, along the line of printing. The second printing assembly is adapted to print the characters with a matrix of dots. The first and second printing assemblies are so disposed that their print points are spaced from each other along the surface of the platen. The apparatus comprises first and second control units for controlling the operations of the first and second printing assemblies, respectively, according to input printing data. The apparatus further comprises a selector device which selects one of the first and second control units according to information included in the input printing data, so that the character represented by the character data of the printing data is printed by the corresponding one of the first and second printing assemblies.
REFERENCES:
patent: 3185823 (1965-05-01), Ellersick et al.
patent: 4204779 (1980-05-01), Lee
patent: 4389126 (1983-06-01), Honma
patent: 4444519 (1984-04-01), Howell
Imaizumi Mamoru
Kuzuya Susumu
Brother Kogyo Kabushiki Kaisha
Sewell Paul T.
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