US3262326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus
Assignee: Honeywell Inc
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Filing: 1962-11-07
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Granted: 1966-07-26
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Expires: 1982-11-07
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Schott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:33
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/125; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/16; G01C19/24; Y; Y10; Y10T; Y10T74/00; Y10T74/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
IN AN INERTIAL SYSTEM HAVING AN ELECTRICALLY CONDUCTIVE MEMBER AND A PLURALITY OF PAIRS OF MEMBER SUPPORTING ELECTRODES GENERALLY DISPOSED ABOUT AND ADJACENT TO SAID MEMBER, MEANS CONNECTED TO SAID ELECTRODES FOR LEVITATING SAID MEMBER, SAID MEMBER LEVITATING MEANS FOR EACH ELETRODE PAIR COMPRISING: INDUCTIVE MEANS INCLUDING A TRANSFORMER HAVING A PRIMARY WINDING MEANS AND A SECONDARY WINDING MEANS; MEANS CONNECTING SAID SECONDARY WINDING MEANS TO ONE OF SAID ELECTRODE PAIRS, SAID SECONDARY WINDING MEANS AND THE CAPCITANCE BETWEEN SAID MEMBER AND SAID ELECTRODE FORMING A RESONANT L-C CIRCUIT; MEANS INCLUDING A VARIABLE GAIN AMPLIFIER MEANS CONNECTED TO SAID PRIMARY WINDING MEANS FOR ESTABLISHING SUPPORT POTENTIALS BETWEEN SAID ELECTRODES AND SAID MEMBER; AND A VARIABLE FREQUENCY SIGNAL GENERATING MEANS, HAVING A CHARACTERISTIC OPERATING FREQUENCY SOMEWHAT HIGHER THAN THE RESONANT FREQUENCY OF SAID L-C TUNED LOOP WHEN SAID MEMBER IS EQUALLY DISPLACED FROM SAID SUPPORTING ELECTRODES, CONNECTED TO SAID AMPLIFIER MEANS FOR AUTOMATICALLY CAUSING THE INITIAL LEVITATION OF SAID MEMBER BY SWEEPING THE FREQUENCY DURING THE LEVITATION CYCLE FROM A FREQUENCY HIGHER THAN SAID CHARACTERISTIC OPERATING FREQUENCY DOWN TO SAID CHARACTERISTIC OPERTION FREQUENCY.
Claim 2
Dependent Claim
182 words
IN AN INERTIAL SYSTEM HAVING AN ELECTRICALLY CONDUCTIVE MEMBER AND A PLURALITY OF PAIRS OF MEMBER SUPPORTING ELECTRODES GENERALLY DISPOSED ABOUT AND ADJACENT TO SAID MEMBER, MEANS CONNECTED TO SAID ELECTRODES FOR LEVITATING SAID MEMBER, SAID MEMBER LEVITATING MEANS FOR EACH ELETRODE PAIR COMPRISING: INDUCTIVE MEANS INCLUDING A TRANSFORMER HAVING A PRIMARY WINDING MEANS AND A SECONDARY WINDING MEANS; MEANS CONNECTING SAID SECONDARY WINDING MEANS TO ONE OF SAID ELECTRODE PAIRS, SAID SECONDARY WINDING MEANS AND THE CAPCITANCE BETWEEN SAID MEMBER AND SAID ELECTRODE FORMING A RESONANT L-C CIRCUIT; MEANS INCLUDING A VARIABLE GAIN AMPLIFIER MEANS CONNECTED TO SAID PRIMARY WINDING MEANS FOR ESTABLISHING SUPPORT POTENTIALS BETWEEN SAID ELECTRODES AND SAID MEMBER; AND A VARIABLE FREQUENCY SIGNAL GENERATING MEANS, HAVING A CHARACTERISTIC OPERATING FREQUENCY SOMEWHAT HIGHER THAN THE RESONANT FREQUENCY OF SAID L-C TUNED LOOP WHEN SAID MEMBER IS EQUALLY DISPLACED FROM SAID SUPPORTING ELECTRODES, CONNECTED TO SAID AMPLIFIER MEANS FOR AUTOMATICALLY CAUSING THE INITIAL LEVITATION OF SAID MEMBER BY SWEEPING THE FREQUENCY DURING THE LEVITATION CYCLE FROM A FREQUENCY HIGHER THAN SAID CHARACTERISTIC OPERATING FREQUENCY DOWN TO SAID CHARACTERISTIC OPERTION FREQUENCY.
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |