Patent US3303413A successfully refreshed from Google Patents.
US3303413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current regulator
Assignee: Motorola Solutions Inc
•
Filing: 1963-08-15
•
Granted: 1967-02-07
•
Expires: 1983-08-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Raymond M Warner
- 👤 Frank R Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:07
CPC Classifications
G; G05; G05F; G05F3/00; G05F3/02; G05F3/08; G05F3/10; G05F3/16; G05F3/18; G05F3/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A CURRENT REGULATING CIRCUIT, INCLUDING IN COMBINATION A TRANSISTOR, MEANS HAVING RESISTIVE IMPEDANCE CONNECTED TO THE EMITTER OF SAID TRANSISTOR, A VOLTAGE REGULATOR CONNECTED BETWEEN SAID IMPEDANCE MEANS AND THE BASE OF SAID TRANSISTOR FOR PROVIDING A REGULATED VOLTAGE ACROSS SAID IMPEDANCE MEANS AND THE EMITTER-TO-BASE PORTION OF SAID TRANSISTOR, AND AN ACTIVE CURRENT REGULATING DEVICE INCLUDING AT LEAST ONE FIELD EFFECT CURRENT LIMITER FOR PROVIDING IN THE OPERATION OF SAID CIRCUIT A REGULATED AND INCREASED CURRENT SHUNTING THE COLLECTOR-BASE PORTION OF SAID TRANSISTOR TO INCREASE THE CURRENT LEVEL AT WHICH SAID CIRCUIT WILL REGULATE CURRENT.
Claim 2
Dependent Claim
96 words
A CURRENT REGULATING CIRCUIT, INCLUDING IN COMBINATION A TRANSISTOR, MEANS HAVING RESISTIVE IMPEDANCE CONNECTED TO THE EMITTER OF SAID TRANSISTOR, A VOLTAGE REGULATOR CONNECTED BETWEEN SAID IMPEDANCE MEANS AND THE BASE OF SAID TRANSISTOR FOR PROVIDING A REGULATED VOLTAGE ACROSS SAID IMPEDANCE MEANS AND THE EMITTER-TO-BASE PORTION OF SAID TRANSISTOR, AND AN ACTIVE CURRENT REGULATING DEVICE INCLUDING AT LEAST ONE FIELD EFFECT CURRENT LIMITER FOR PROVIDING IN THE OPERATION OF SAID CIRCUIT A REGULATED AND INCREASED CURRENT SHUNTING THE COLLECTOR-BASE PORTION OF SAID TRANSISTOR TO INCREASE THE CURRENT LEVEL AT WHICH SAID CIRCUIT WILL REGULATE CURRENT.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |