US3341696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fast reset of an integrator-amplifier using reed switches
Assignee: Beckman Coulter Inc
•
Filing: 1963-05-13
•
Granted: 1967-09-12
•
Expires: 1983-05-13
Abstract
No abstract record available.
Inventors
- 👤 Thaulow Per
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:35
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/184; G06G7/186; G06G7/1865; G11; G11C; G11C27/00; G11C27/02; G11C27/024; G11C27/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN AN ANALOG COMPUTER HAVING THE MODES OF COMPUTE, HOLD AND INITIAL CONDITION, AN ELECTRIC INTEGRATOR HAVING A REDUCED TIME PERIOD, THE IMPROVEMENT COMPRISING: AN AMPLIFIER HAVING AN INPUT TERMINAL, AN OUTPUT TERMINAL AND CIRCUIT GROUND; A PLURALITY OF INPUT IMPEDANCES CONNECTED TO FORM A SUMMING JUNCTION; FIRST IMPEDANCE MEANS; MEANS CONNECTING SAID SUMMING JUNCTION TO SAID INPUT TERMINAL THROUGH SAID FIRST IMPEDANCE MEANS DURING SAID COMPUTER MODE; FEEDBACK IMPEDANCE MEANS CONNECTED TO SAID OUTPUT TERMINAL; AN INITIAL CONDITION INPUT TERMINAL; SWITCH MEANS CONNECTING SAID FEEDBACK IMPEDANCE MEANS AND SAID INITIAL CONDITION INPUT TERMINAL TO THE INPUT TERMINAL OF SAID AMPLIFIER DURING SAID INITIAL CONDITION MODE; STORAGE MEANS CONNECTED TO SAID OUTPUT TERMINAL AND THROUGH SAID FIRST IMPEDANCE MEANS TO SAID INPUT TERMINAL DURING SAID COMPUTE AND INITIAL CONDITION MODES; AND MEANS CONNECTING SAID STORAGE MEANS TO CIRCUIT GROUND DURING SAID INITIAL CONDITION MODE.
Claim 2
Dependent Claim
144 words
IN AN ANALOG COMPUTER HAVING THE MODES OF COMPUTE, HOLD AND INITIAL CONDITION, AN ELECTRIC INTEGRATOR HAVING A REDUCED TIME PERIOD, THE IMPROVEMENT COMPRISING: AN AMPLIFIER HAVING AN INPUT TERMINAL, AN OUTPUT TERMINAL AND CIRCUIT GROUND; A PLURALITY OF INPUT IMPEDANCES CONNECTED TO FORM A SUMMING JUNCTION; FIRST IMPEDANCE MEANS; MEANS CONNECTING SAID SUMMING JUNCTION TO SAID INPUT TERMINAL THROUGH SAID FIRST IMPEDANCE MEANS DURING SAID COMPUTER MODE; FEEDBACK IMPEDANCE MEANS CONNECTED TO SAID OUTPUT TERMINAL; AN INITIAL CONDITION INPUT TERMINAL; SWITCH MEANS CONNECTING SAID FEEDBACK IMPEDANCE MEANS AND SAID INITIAL CONDITION INPUT TERMINAL TO THE INPUT TERMINAL OF SAID AMPLIFIER DURING SAID INITIAL CONDITION MODE; STORAGE MEANS CONNECTED TO SAID OUTPUT TERMINAL AND THROUGH SAID FIRST IMPEDANCE MEANS TO SAID INPUT TERMINAL DURING SAID COMPUTE AND INITIAL CONDITION MODES; AND MEANS CONNECTING SAID STORAGE MEANS TO CIRCUIT GROUND DURING SAID INITIAL CONDITION MODE.
References Cited (Backward Citations)
US2789761A
Cited
US2843736A
Cited
US2891725A
Cited
US3231728A
Cited
US3121827A
Cited
US3129326A
Cited
US3249925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |