Typewriting machines – Key reassignment – Electrically powered
Patent
1986-10-10
1988-09-13
Wiecking, David A.
Typewriting machines
Key reassignment
Electrically powered
400104, 4001442, 380 55, B41J 130, G09C 300
Patent
active
047705515
ABSTRACT:
A printer employing a daisy wheel or other print wheel uses a single motor both to translate a carriage along a line of printing and to rotate the daisy wheel. The daisy wheel is rotated through one complete character set for movement of the carriage along the print line by one character printing space. Type on the fingers of the daisy wheel is progressively displaced relative to a center line through the ordered set to be printed early on the line of printing by a distance which is a proportional part of one print line letter space, the displacement proportional to the position of a character in the set between a first character and a last character.
Also disclosed is a controller for the printer, the controller including enciphering capabilities whereby enciphered text is produced.
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patent: 4664543 (1987-05-01), Bohg et al.
Starr Mark T.
Unisys Corporation
Wiecking David A.
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