US3289000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for separately controlling the filament current and voltage on an X-ray tube
Assignee: Automation Industries Inc
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Filing: 1965-02-23
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Granted: 1966-11-29
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Expires: 1985-02-23
Abstract
No abstract record available.
Inventors
- 👤 James F Mcnulty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:06
CPC Classifications
H; H05; H05G; H05G1/00; H05G1/08; H05G1/26; H05G1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
APPARATUS FOR SEPARATELY CONTROLLING THE VOLTAGES TO A PLURALITY OF LOADS WHICH COMPRISES: TRANSFORMER MEANS HAVING A PRIMARY WINDING AND AT LEAST FIRST AND SECOND SECONDARY WINDINGS; POWER SUPPLY MEANS CONNECTED TO SAID PRIMARY WINDING, SAID POWER SUPPLY MEANS BEING CONTROLLABLE TO SELECTIVELY VARY BOTH THE FREQUENCY AND AMPLITUDE OF THE VOLTAGE APPLIED TO SAID PRIMARY WINDING; FREQUENCY-RESPONSIVE RESONANT CIRCUIT MEANS CONNECTED TO SAID FIRST SECONDARY WINDING; FIRST LOAD MEANS ELECTRICALLY CONNECTED TO SAID FIRST SECONDARY WINDING AND SAID RESONANT CIRCUIT MEANS; AND SECOND LOAD MEANS ELECTRICALLY CONNECTED TO SAID SECOND SECONDARY WINDING, WHEREBY VARIATION OF THE OUTPUT VOLTAGE FREQUENCY OF SAID POWER SUPPLY VARIES THE VOLTAGE AMPLITUDE TO SAID FIRST LOAD MEANS.
Claim 2
Dependent Claim
113 words
APPARATUS FOR SEPARATELY CONTROLLING THE VOLTAGES TO A PLURALITY OF LOADS WHICH COMPRISES: TRANSFORMER MEANS HAVING A PRIMARY WINDING AND AT LEAST FIRST AND SECOND SECONDARY WINDINGS; POWER SUPPLY MEANS CONNECTED TO SAID PRIMARY WINDING, SAID POWER SUPPLY MEANS BEING CONTROLLABLE TO SELECTIVELY VARY BOTH THE FREQUENCY AND AMPLITUDE OF THE VOLTAGE APPLIED TO SAID PRIMARY WINDING; FREQUENCY-RESPONSIVE RESONANT CIRCUIT MEANS CONNECTED TO SAID FIRST SECONDARY WINDING; FIRST LOAD MEANS ELECTRICALLY CONNECTED TO SAID FIRST SECONDARY WINDING AND SAID RESONANT CIRCUIT MEANS; AND SECOND LOAD MEANS ELECTRICALLY CONNECTED TO SAID SECOND SECONDARY WINDING, WHEREBY VARIATION OF THE OUTPUT VOLTAGE FREQUENCY OF SAID POWER SUPPLY VARIES THE VOLTAGE AMPLITUDE TO SAID FIRST LOAD MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |