Title:
Communicating system
United States Patent 2535063
US Patent References:
Telephone system
- - 1356403
Sound-receiving and transmitting system
- - 1975932
Communication system
- - 2044305
Sound translating apparatus
- - 2121778
Sound translation apparatus
- - 2122191
Telephone system
- - 1356403
Sound-receiving and transmitting system
- - 1975932
Communication system
- - 2044305
Sound translating apparatus
- - 2121778
Sound translation apparatus
- - 2122191
Inventors:
Halstead, William S.
Publication Date:
12/26/1950
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Export Citation:
Assignee:
FARNSWORTH RES CORP
Primary Class:
Other Classes:
343/720, 343/718, 455/270, 381/111, 367/903
International Classes:
H04B1/48; H04B1/44
US Patent References:
Foreign References:
| DE307684C |