Mechanical code converter for use with a typewriter or the like

Details Mechanical code converter for use with a typewriter or the like Mechanical code converter for use with a typewriter or the like

1975-11-18

1977-09-27

Burr, Edgar S.

Textiles: fiber preparation

178 17C, B41J 530

Patent

active

040505669

ABSTRACT:
Apparatus is disclosed for use with typewriters of the type having trip hammers and is adapted to receive combinations of electrical signals which uniquely define the respective characteristics and to decode the electrical signals to selectively activate the trip hammers of the typewriter. The apparatus has a number of coded plates located adjacent one another in general alignment, with each of the plates having a number of transverse slots at one edge thereof at predetermined positions. Lateral or longitudinal movement of the elongated plates between first and second positions in response to receiving appropriate electrical signals causes the slots to be either into or out of alignment with an activating member which effects triggering of the trip hammer of the typewriter. Any one of the coded plates having a slot in a nonaligned orientation will prevent activation of the particular hammer. Thus, unique coded combinations of signals will selectively activate the proper trip hammer and thereby enable the proper character to be typed by the typewriter.

REFERENCES:
patent: 2255011 (1941-09-01), Lake et al.
patent: 2396230 (1946-03-01), Blodgett
patent: 2938952 (1960-05-01), Roggenstein
patent: 3340987 (1967-09-01), Bastian
patent: 3837458 (1974-09-01), Bretti et al.

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