H04Q 1/4426
Using two or more signalling frequencies, transmitted in succession or simultaneously
Official title: {using two or more signalling frequencies, transmitted in succession or simultaneously}
H04Q1/4426 (Using two or more signalling frequencies, transmitted in succession or simultaneously) appears on 1 US grants and 0 published applications in this corpus.
Search patents in H04Q- Granted patents
- 1
- Published applications
- 0
- Assignees
- 0
- Inventors
- 2
- Latest grant
- 10 Jul 1984
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| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
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