US3088064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric control circuits
Assignee: Schneider Electric USA Inc
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Filing: 1960-06-06
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Granted: 1963-04-30
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Expires: 1980-06-06
Abstract
No abstract record available.
Inventors
- 👤 Ernest G Anger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:00
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/2805; Y; Y10; Y10S; Y10S388/00; Y10S388/907; Y10S388/921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN ADJUSTABLE REFERENCE VOLTAGE UNIT HAVING PREDETERMINED RATES OF VOLTAGE CHANGE, COMPRISING; AN ADJUSTABLE CONSTANT VOLTAGE SOURCE PROVIDING AN INPUT VOLTAGE SIGNAL FOR THE UNIT, A CAPACITOR PROVIDING AN OUTPUT REFERENCE VOLTAGE SIGNAL FOR THE UNIT, A PAIR OF TRANSISTORS HAVING COMMON BASE CONNECTED ELECTRODES, AND EACH HAVING AN EMITTER AND A COLLECTOR ELECTRODE, A SEPARATE DIRECT CURRENT SOURCE CONNECTED BETWEEN THE EMITTER ELECTRODES AND BASES OF SAID TRANSISTORS TO PROVIDE THE EMITTER ELECTRODES WITH CONSTANT CURRENTS, AND MEANS CONNECTING THE INPUT VOLTAGE SIGNAL SOURCE AND THE OUTPUT SIGNAL SOURCE RESPECTIVELY TO THE COLLECTOR ELECTRODES OF THE TRANSISTORS IN A CIRCUIT FOR CHARGING AND DISCHARGING THE CAPACITOR AT A RATE DETERMINED BY THE
Claim 2
Dependent Claim
113 words
AN ADJUSTABLE REFERENCE VOLTAGE UNIT HAVING PREDETERMINED RATES OF VOLTAGE CHANGE, COMPRISING; AN ADJUSTABLE CONSTANT VOLTAGE SOURCE PROVIDING AN INPUT VOLTAGE SIGNAL FOR THE UNIT, A CAPACITOR PROVIDING AN OUTPUT REFERENCE VOLTAGE SIGNAL FOR THE UNIT, A PAIR OF TRANSISTORS HAVING COMMON BASE CONNECTED ELECTRODES, AND EACH HAVING AN EMITTER AND A COLLECTOR ELECTRODE, A SEPARATE DIRECT CURRENT SOURCE CONNECTED BETWEEN THE EMITTER ELECTRODES AND BASES OF SAID TRANSISTORS TO PROVIDE THE EMITTER ELECTRODES WITH CONSTANT CURRENTS, AND MEANS CONNECTING THE INPUT VOLTAGE SIGNAL SOURCE AND THE OUTPUT SIGNAL SOURCE RESPECTIVELY TO THE COLLECTOR ELECTRODES OF THE TRANSISTORS IN A CIRCUIT FOR CHARGING AND DISCHARGING THE CAPACITOR AT A RATE DETERMINED BY THE
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |