Patent US2427661A successfully refreshed from Google Patents.
US3131312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit for linearizing resistance of a field-effect transistor to bidirectional current flow
Assignee: RCA Corp
•
Filing: 1960-08-05
•
Granted: 1964-04-28
•
Expires: 1980-08-05
Abstract
No abstract record available.
Inventors
- 👤 Putzrath Franz Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:35
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/16; H03K17/161; G; G06; G06G; G06G7/00; G06G7/12; G06G7/16; G06G7/163; H03F; H03F3/00; H03F3/04; H03F3/16; H03F3/165; H10; H10D; H10D99/00; Y; Y10; Y10S; Y10S323/00; Y10S323/909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A SIGNAL TRANSLATING CIRCUIT COMPRISING IN COMBINATION A UNIPOLAR TRANSISTOR INCLUDING DRAIN, SOURCE AND GATE ELECTRODES, A VOLTAGE DIVIDER CONNECTED BETWEEN SAID DRAIN AND SOURCE ELECTRODES, MEANS PROVIDING A SOURCE OF SIGNALS TO BE CONTROLLED CONNECTED BETWEEN SAID DRAIN AND SOURCE ELECTRODES, A CONTROL VOLTAGE SOURCE CONNECTED BETWEEN SAID GATE ELECTRODE AND AN INTERMEDIATE POINT ON SAID VOLTAGE DIVIDER, SAID CONTROL VOLTAGE SOURCE POLED TO REVERSE BIAS SAID GATE ELECTRODE WITH RESPECT TO BOTH SAID DRAIN AND SOURCE ELECTRODES THROUGH SAID VOLTAGE DIVIDER.
Claim 2
Dependent Claim
83 words
A SIGNAL TRANSLATING CIRCUIT COMPRISING IN COMBINATION A UNIPOLAR TRANSISTOR INCLUDING DRAIN, SOURCE AND GATE ELECTRODES, A VOLTAGE DIVIDER CONNECTED BETWEEN SAID DRAIN AND SOURCE ELECTRODES, MEANS PROVIDING A SOURCE OF SIGNALS TO BE CONTROLLED CONNECTED BETWEEN SAID DRAIN AND SOURCE ELECTRODES, A CONTROL VOLTAGE SOURCE CONNECTED BETWEEN SAID GATE ELECTRODE AND AN INTERMEDIATE POINT ON SAID VOLTAGE DIVIDER, SAID CONTROL VOLTAGE SOURCE POLED TO REVERSE BIAS SAID GATE ELECTRODE WITH RESPECT TO BOTH SAID DRAIN AND SOURCE ELECTRODES THROUGH SAID VOLTAGE DIVIDER.
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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |