Printing telegraph signal normalizer
United States Patent 2891109
Inventors:
Robert, Steeneck
Publication Date:
06/16/1959
Assignee:
WESTERN UNION TELEGRAPH CO
International Classes:
H04L5/24; H04L5/00
US Patent References:
| 2714627 | Electronic multiplex telegraph receiving terminal apparatus | | | |
| 2757237 | Synchronizing circuit | | | |