ELECTROSTRICTIVE PRINT HAMMER ACTUATOR IN HIGH SPEED PRINTERS
United States Patent 3473466
Inventors:
Thayer, Louis C.
Publication Date:
10/21/1969
Other Classes:
310/328, 310/26
International Classes:
B41J9/36; G06K1/02; H01H57/00; B41J9/00; G06K1/00; B41C3/08
US Patent References:
| 3112693 | Transducer unit for printing type element | | | |
| 3151543 | High speed printer with magnetostrictive impression members | | | |
| 3172352 | Printing hammer assembly | | | |
| 3242855 | Electrostrictive printer | | | |