Patent US2498695A successfully refreshed from Google Patents.
US3213344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical high voltage power supply apparatus
Assignee: Rollei of America Inc
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Filing: 1958-12-31
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Granted: 1965-10-19
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Expires: 1978-12-31
Abstract
No abstract record available.
Inventors
- 👤 Jensen James Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:14
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/32; H02; H02M; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02M3/325; H02M3/335; H02M3/338; H02M3/3385; H02M3/3387; H02M3/3388
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
206 words
BATTERY CONSERVING POWER SUPPLY APPARATUS OF THE TYPE CONVERING A LOW VOLTAGE BATTERY SOURCE TO A HIGH POTENTIAL FOR CHARGING AN ENERGY STORAGE LOAD MEANS COMPRISING: A LOW VOLTAGE UNIDIRECTIONAL ENERGY SOURCE; HIGH VOLTAGE ENERGY STORAGE LOAD MEANS; OSCILLATOR INVERTER MEANS COMPRISING SEMICONDUCTOR AMPLIFIER MEANS ENERGIZED BY SAID LOW VOLTAGE SOURCE CONNECTED TO CONVERT SAID LOW VOLTAGE SOURCE TO A HIGH VOLTAGE, SAID OSCILLATOR INVERTER MEANS BEING DESIGNED TO BE CAPABLE OF CHARGING SAID HIGH VOLTAGE LOAD MENS RAPIDLY TO A STATE OF CHARGE IN EXCESS OF A MAXIMUM DESIRED STATE FROM SAID LOW VOLTAGE SOURCE; OSCILLATOR INVERTER DISABLING MEANS INCLUDING A RAID CYCLING PULSING CIRCUIT, SAID MEANS HAVING AN INPUT CIRCUIT CONNECTED TO SAID LOAD MEANS AND RESPONSIVE TO THE STATE OF CHARGE ON SAID LOAD MEANS TO PROVIDE A PULSING OUTPUT SIGNAL UPON THE DESIRED STATE OF CHARGE BEING SENSED, SAID PULSING OUTPUT SIGNAL BEING APPLIED TO SAID OSCILLATOR INVERTER TO TEMPORARILY DISABLE SAID OSCILLATOR INVERTER; AND OSCILLATOR INVERTER RESTARTING MEANS INCLUDING A SECOND PULSING CIRCUIT, WHICH HAS A SLOW REPETITION RATE WITH RESPECT TO THE RAPID CYCLING PULSING CIRCUIT, SAID OSCILLATOR INVERTER RESTARTING MEANS BEING CONNECTED TO SAID SEMICONDUCTOR AMPLIFIER MEANS TO PERIODICALLY APPLY A CURRENT PULSE THERETO TO RESTART SAID OSCILLATOR INVERTER.
Claim 2
Dependent Claim
206 words
BATTERY CONSERVING POWER SUPPLY APPARATUS OF THE TYPE CONVERING A LOW VOLTAGE BATTERY SOURCE TO A HIGH POTENTIAL FOR CHARGING AN ENERGY STORAGE LOAD MEANS COMPRISING: A LOW VOLTAGE UNIDIRECTIONAL ENERGY SOURCE; HIGH VOLTAGE ENERGY STORAGE LOAD MEANS; OSCILLATOR INVERTER MEANS COMPRISING SEMICONDUCTOR AMPLIFIER MEANS ENERGIZED BY SAID LOW VOLTAGE SOURCE CONNECTED TO CONVERT SAID LOW VOLTAGE SOURCE TO A HIGH VOLTAGE, SAID OSCILLATOR INVERTER MEANS BEING DESIGNED TO BE CAPABLE OF CHARGING SAID HIGH VOLTAGE LOAD MENS RAPIDLY TO A STATE OF CHARGE IN EXCESS OF A MAXIMUM DESIRED STATE FROM SAID LOW VOLTAGE SOURCE; OSCILLATOR INVERTER DISABLING MEANS INCLUDING A RAID CYCLING PULSING CIRCUIT, SAID MEANS HAVING AN INPUT CIRCUIT CONNECTED TO SAID LOAD MEANS AND RESPONSIVE TO THE STATE OF CHARGE ON SAID LOAD MEANS TO PROVIDE A PULSING OUTPUT SIGNAL UPON THE DESIRED STATE OF CHARGE BEING SENSED, SAID PULSING OUTPUT SIGNAL BEING APPLIED TO SAID OSCILLATOR INVERTER TO TEMPORARILY DISABLE SAID OSCILLATOR INVERTER; AND OSCILLATOR INVERTER RESTARTING MEANS INCLUDING A SECOND PULSING CIRCUIT, WHICH HAS A SLOW REPETITION RATE WITH RESPECT TO THE RAPID CYCLING PULSING CIRCUIT, SAID OSCILLATOR INVERTER RESTARTING MEANS BEING CONNECTED TO SAID SEMICONDUCTOR AMPLIFIER MEANS TO PERIODICALLY APPLY A CURRENT PULSE THERETO TO RESTART SAID OSCILLATOR INVERTER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |