US3309618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positive-feedback boxcar circuit
Assignee: Individual
•
Filing: 1964-07-27
•
Granted: 1967-03-14
•
Expires: 1984-07-27
Abstract
No abstract record available.
Inventors
- 👤 Paul E Harris
- 👤 Simmons Bower Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:22
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A BOXCAR CIRCUIT COMPRISING, IN COMBINATION: DIFFERENCE AMPLIFIER MEANS OPERATING IN RESPONSE TO A GATING PULSE FOR COMPARING THE VALUES OF AN INPUT SIGNAL AND A FEEDBACK SIGNAL AND PRODUCING A DIFFERENCE SIGNAL PROPORTIONAL TO THE DIFFERENCE BETWEEN SAID VALUES; STORAGE MEANS CONNECTED TO SAID DIFFERENCE AMPLIFIER MEANS FOR STORING ENERGY IN PROPORTION TO SAID DIFFERENCE SIGNAL; AN OUTPUT TERMINAL; ISOLATION MEANS CONNECTED BETWEEN SAID OUTPUT TERMINAL AND SAID STORAGE MEANS FOR TRANSMITTING TO SAID OUTPUT TERMINAL A SIGNAL PROPORTIONAL TO THE ENERGY STORED IN SAID STORAGE MEANS AND FOR ISOLATING SAID STORAGE MEANS FROM LOADING EFFECTS AT SAID OUTPUT TERMINAL; AND FEEDBACK MEANS CONNECTED BETWEEN SAID OUTPUT TERMI-
Claim 2
Dependent Claim
109 words
A BOXCAR CIRCUIT COMPRISING, IN COMBINATION: DIFFERENCE AMPLIFIER MEANS OPERATING IN RESPONSE TO A GATING PULSE FOR COMPARING THE VALUES OF AN INPUT SIGNAL AND A FEEDBACK SIGNAL AND PRODUCING A DIFFERENCE SIGNAL PROPORTIONAL TO THE DIFFERENCE BETWEEN SAID VALUES; STORAGE MEANS CONNECTED TO SAID DIFFERENCE AMPLIFIER MEANS FOR STORING ENERGY IN PROPORTION TO SAID DIFFERENCE SIGNAL; AN OUTPUT TERMINAL; ISOLATION MEANS CONNECTED BETWEEN SAID OUTPUT TERMINAL AND SAID STORAGE MEANS FOR TRANSMITTING TO SAID OUTPUT TERMINAL A SIGNAL PROPORTIONAL TO THE ENERGY STORED IN SAID STORAGE MEANS AND FOR ISOLATING SAID STORAGE MEANS FROM LOADING EFFECTS AT SAID OUTPUT TERMINAL; AND FEEDBACK MEANS CONNECTED BETWEEN SAID OUTPUT TERMI-
References Cited (Backward Citations)
US3011129A
Cited
US3077566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |