Ho Chong Lee
IBM
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Ibm Journal of Research and Development | 1997
Jack Louis Zable; Ho Chong Lee
This paper gives an overview of impact printing and reviews some of the more recent advances made in this printing technology. Matrix and fully-formed-character impact-printing technologies are discussed for both serial printers and line printers. The critical electromechanical subassemblies that are described are the hammer unit, the paper-handling system, the inking system, and the type-element system. The mathematics describing printer performance and the operation of some of the subassemblies are presented. The relative simplicity of the impact printer still allows it to be the most economical form of text printing. Its other advantages are reliability, general insensitivity to environment, and the ability to print on the greatest variety of print media.
Ibm Journal of Research and Development | 1974
Ho Chong Lee
Ibm Journal of Research and Development | 1977
W. T. Pimbley; Ho Chong Lee
Archive | 1997
William Chesley Decker; Ho Chong Lee; Jack Louis Zable
Archive | 1998
William Chesley Decker; Ho Chong Lee; Jack Louis Zable
Archive | 1997
William Chesley Decker; Ho Chong Lee; Jack Louis Zable
Archive | 1997
William Chesley Decker; Ho Chong Lee; Jack Louis Zable
Archive | 2001
Ho Chong Lee; Larry David Teklits; Jack Louis Zable
Archive | 1997
William Chesley Decker; Ho Chong Lee; Jack Louis Zable
Ibm Journal of Research and Development | 1977
Ho Chong Lee