Printer

Details Printer Printer

1984-11-01

1986-05-20

Schreyer, Stafford D.

Telegraphy

Systems

Automatic

178 17D, 178 23R, H04L 1526

Patent

active

045903301

ABSTRACT:
A printer includes a carriage supporting a print head and movable across print paper for enabling the print head to print on the print paper, a fixed frame, a switch device mounted on one of the carriage and the fixed frame, the switch device being composed of a light transmission means and a light blocking means for blocking light passing through the light transmission means, a sensor means on the other of the carriage and the fixed frame for sensing light passing through the switch device to produce an electric signal, and a means for reading the electric signal as information indicative of printer functions in response to movement of the carriage.

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