US3247431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servo systems
Assignee: Individual
•
Filing: 1962-11-30
•
Granted: 1966-04-19
•
Expires: 1982-11-30
Abstract
No abstract record available.
Inventors
- 👤 Kase Schuyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:10
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G06; G06G; G06G7/00; G06G7/12; G06G7/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A MAGNETIC CONTROL CIRCUIT FOR A SERVO LOOP COMPRISING A PLURALITY OF ELECTROMAGNETIC TTRANSFORMERS HAVING PRIMARY AND SECONDARY WINDINGS; INDIVIDUAL RESISTANCE MEANS CONNECTED ACROSS EACH SECONDARY WINDING; MEANS CONNECTING SAID RESISTANCE MEANS IN A SERIES CIRCUIT INCLUDING AN ERROR SCALING OUTPUT RESISTOR BRIDING SAID RESISTANCE MEANS IN SERIES TO DEVELOP A NET SIGNAL OUTPUT VOLTAGE ACROSS SAID ERROR SCALING OUTPUT RESISTOR CORRESPONDING TO THE VECTOR SUM OF THE VOLTAGES ACROSS SAID INDIVIDUAL RESISTANCE MEANS; AND MEANS FOR TAKING OFF SAID SIGNAL OUTPUT VOLTAGE FROM SAID ERROR SCALING OUTPUT RESISTOR.
Claim 2
Dependent Claim
89 words
A MAGNETIC CONTROL CIRCUIT FOR A SERVO LOOP COMPRISING A PLURALITY OF ELECTROMAGNETIC TTRANSFORMERS HAVING PRIMARY AND SECONDARY WINDINGS; INDIVIDUAL RESISTANCE MEANS CONNECTED ACROSS EACH SECONDARY WINDING; MEANS CONNECTING SAID RESISTANCE MEANS IN A SERIES CIRCUIT INCLUDING AN ERROR SCALING OUTPUT RESISTOR BRIDING SAID RESISTANCE MEANS IN SERIES TO DEVELOP A NET SIGNAL OUTPUT VOLTAGE ACROSS SAID ERROR SCALING OUTPUT RESISTOR CORRESPONDING TO THE VECTOR SUM OF THE VOLTAGES ACROSS SAID INDIVIDUAL RESISTANCE MEANS; AND MEANS FOR TAKING OFF SAID SIGNAL OUTPUT VOLTAGE FROM SAID ERROR SCALING OUTPUT RESISTOR.
References Cited (Backward Citations)
US2450084A
Cited
US2698406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |