US3252113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broadband hybrid diplexer
Assignee: GTE Sylvania Inc
•
Filing: 1962-08-20
•
Granted: 1966-05-17
•
Expires: 1982-08-20
Abstract
No abstract record available.
Inventors
- 👤 Robert G Veltrop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:50
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/20; H01P1/213
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A HYBRID-FILTER FREQUENCY BRANCHING NETWORK HAVING A BANDWIDTH GREATER THAN THE HALF-POWER BANDWIDTH OF THE HYBRIDS, SAID NETWORK COMPRISING FIRST AND SECOND SUBSTANTIALLY IDENTICAL 90* FOUR PORT HYBRID COUPLERS HAVING A PAIR OF TERMINALS ON OPPOSITE SIDES THEREOF AND PROVIDING OVER THE HYBRID HALF-POWER BANDWIDTH SUBSTANTIALLY EQUAL COUPLING OF A SIGNAL INPUT TO ANY ONE OF SAID TERMINALS TO EACH OF THE TERMINALS ON THE OPPOSITE SIDE OF THE HYBRID AND PROVIDING OUTSIDE THE HYBRID HALF-POWER BANDWIDTH FOR COUPLING TO THE OPPOSITE TERMINAL SUBSTANTIALLY K TIMES THE SIGNAL INPUT AND TO THE OTHER COUPLED TERMINAL SUBSTANTIALLY >1-K2 TIMES THE SIGNAL INPUT, A PAIR OF SUBSTANTIALLY IDENTICAL FILTERS EACH HAVING AN INPUT AND AN OUTPUT TERMINAL, A FREQUENCY LIMIT DEFINING THE REJECTION BAND OF SAID FILTERS BEING IMMEDIATELY ADJACENT TO A FREQUENCY LIMIT OF THE HALFPOWER BANDWIDTH OF THE HYBRIDS,
Claim 2
Dependent Claim
139 words
A HYBRID-FILTER FREQUENCY BRANCHING NETWORK HAVING A BANDWIDTH GREATER THAN THE HALF-POWER BANDWIDTH OF THE HYBRIDS, SAID NETWORK COMPRISING FIRST AND SECOND SUBSTANTIALLY IDENTICAL 90* FOUR PORT HYBRID COUPLERS HAVING A PAIR OF TERMINALS ON OPPOSITE SIDES THEREOF AND PROVIDING OVER THE HYBRID HALF-POWER BANDWIDTH SUBSTANTIALLY EQUAL COUPLING OF A SIGNAL INPUT TO ANY ONE OF SAID TERMINALS TO EACH OF THE TERMINALS ON THE OPPOSITE SIDE OF THE HYBRID AND PROVIDING OUTSIDE THE HYBRID HALF-POWER BANDWIDTH FOR COUPLING TO THE OPPOSITE TERMINAL SUBSTANTIALLY K TIMES THE SIGNAL INPUT AND TO THE OTHER COUPLED TERMINAL SUBSTANTIALLY >1-K2 TIMES THE SIGNAL INPUT, A PAIR OF SUBSTANTIALLY IDENTICAL FILTERS EACH HAVING AN INPUT AND AN OUTPUT TERMINAL, A FREQUENCY LIMIT DEFINING THE REJECTION BAND OF SAID FILTERS BEING IMMEDIATELY ADJACENT TO A FREQUENCY LIMIT OF THE HALFPOWER BANDWIDTH OF THE HYBRIDS,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |