Title:
ELECTROSTRICTIVE PRINT HAMMER ACTUATOR IN HIGH SPEED PRINTERS
United States Patent 3473466
Inventors:
Thayer, Louis C.
Publication Date:
10/21/1969
Other Classes:
310/26, 310/328
International Classes:
B41J9/36; G06K1/02; H01H57/00; (IPC1-7): B41C3/08