Printer having acoustic head locating system

Details Printer having acoustic head locating system Printer having acoustic head locating system

1980-06-19

1982-09-14

Sewell, Paul T.

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

Carriage-feed mechanism

400322, 400328, B41J 2528, B41J 1930

Patent

active

043492851

ABSTRACT:
The location of a dot printer print head driven by a linear motor on a mole carriage is detected with a system including an ultrasonic acoustic transmitter on a carriage for the head and a receiver on a frame of the printer.

REFERENCES:
patent: 3898555 (1975-08-01), Tellerman
patent: 3950685 (1976-04-01), Kramer
patent: 4044881 (1977-08-01), Chai et al.
patent: 4146922 (1979-03-01), Brown et al.
patent: 4151447 (1979-04-01), von der Heide et al.
patent: 4208142 (1980-06-01), Chu

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