Title:
Signal-wave transmission systems
United States Patent 2751586
US Patent References:
Ultra high frequency coupling
- - 2473274
Radio direction indicating apparatus
- - 2480829
Aircraft landing system employing lobe switching of radio beams
- - 2514351
Null-balance frequency meter
- - 2523399
Duplex switch with sum and difference frequency receivers
- - 2567197
Ultra high frequency coupling
- - 2473274
Radio direction indicating apparatus
- - 2480829
Aircraft landing system employing lobe switching of radio beams
- - 2514351
Null-balance frequency meter
- - 2523399
Duplex switch with sum and difference frequency receivers
- - 2567197
Inventors:
Riblet, Henry J.
Publication Date:
06/19/1956
View Patent Images:
Export Citation:
Assignee:
RAYTHEON MFG CO
Primary Class:
Other Classes:
343/772, 343/776, 343/786
International Classes:
H01Q25/02; H01Q25/00
US Patent References:
| 2587590 | Ultrahigh-frequency apparatus |
Foreign References:
| GB575432A | ||||
| GB627690A |