US3514710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal amplifier with direct current energy supply and dynamic range controlled in accordance with composite input signal level
Assignee: JM Huber Corp
•
Filing: 1968-11-04
•
Granted: 1970-05-26
•
Expires: 1988-11-04
Abstract
No abstract record available.
Inventors
- 👤 Eugene A Janning Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:37
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/30; H03G3/3052; H03F; H03F1/00; H03F1/02; H03F1/0205; H03F1/0211; H03F1/0216; H03F1/0233
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
THIS INVENTION EXPLOITS THE FACT THAT IN A FIELD EFFECT TRANSISTOR (FET) THE NOISE FIGURE IS ESSENTIALLY INDEPENDENT OF THE DIRECT CURRENT OPERATING POWER LEVEL WHILE THE FORWARD TRANSCONDUCTANCE (GM) OF A FIELD EFFECT TRANSISTOR IS A FUNCTION OF THE DIRECT CURRENT QUIESCENT OPERATING
Claim 2
Dependent Claim
44 words
THIS INVENTION EXPLOITS THE FACT THAT IN A FIELD EFFECT TRANSISTOR (FET) THE NOISE FIGURE IS ESSENTIALLY INDEPENDENT OF THE DIRECT CURRENT OPERATING POWER LEVEL WHILE THE FORWARD TRANSCONDUCTANCE (GM) OF A FIELD EFFECT TRANSISTOR IS A FUNCTION OF THE DIRECT CURRENT QUIESCENT OPERATING
References Cited (Backward Citations)
US3388338A
Cited
US3449686A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |