US3333160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Proximity responsive system
Assignee: WATER ECONOMY AND RES Co
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Filing: 1964-02-24
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Granted: 1967-07-25
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Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 Gorski Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:43
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/94; H03K17/945; H03K17/955; F; F16; F16K; F16K31/00; F16K31/02; H03B; H03B5/00; H03B5/08; H03B5/12; H03B5/1203; H03B5/1231
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A SYSTEM SENSITIVE TO THE PROXIMITY OF AN EXTRANEOUS OBJECT FOR CONTROLLING AN EXTERNAL DEVICE, COMPRISING AN ELECTRICAL CIRCUIT INCLUDING AN OSCILLATOR AND A TANK CIRCUIT FOR CONTROLLING THE FREQUENCY OF THE OSCILLATOR, A SHUNT ACROSS SAID TANK CIRCUIT, A PROBE IN SAID SHUNT FOR SENSING THE PROXIMITY OF THE EXTRANEOUS OBJECT, AND A RESISTOR IN SAID SHUNT CONNECTED BETWEEN SAID TANK CIRCUIT AND SAID PROBE, SAID PROBE CHANGING THE Q OF THE TANK CIRCUIT IN RESPONSE TO THE PROXIMITY OF THE EXTRANEOUS OBJECT TO PRODUCE A CHANGE IN AMPLITUDE IN THE OUTPUT OF SAID OSCILLATOR, AND CONTROL MEANS RESPONSIVE TO THE SAID CHANGE IN OUTPUT AMPLITUDE TO CONTROL THE EXTERNAL DEVICE.
Claim 2
Independent Claim
112 words
A SYSTEM SENSITIVE TO THE PROXIMITY OF AN EXTRANEOUS OBJECT FOR CONTROLLING AN EXTERNAL DEVICE, COMPRISING AN ELECTRICAL CIRCUIT INCLUDING AN OSCILLATOR AND A TANK CIRCUIT FOR CONTROLLING THE FREQUENCY OF THE OSCILLATOR, A SHUNT ACROSS SAID TANK CIRCUIT, A PROBE IN SAID SHUNT FOR SENSING THE PROXIMITY OF THE EXTRANEOUS OBJECT, AND A RESISTOR IN SAID SHUNT CONNECTED BETWEEN SAID TANK CIRCUIT AND SAID PROBE, SAID PROBE CHANGING THE Q OF THE TANK CIRCUIT IN RESPONSE TO THE PROXIMITY OF THE EXTRANEOUS OBJECT TO PRODUCE A CHANGE IN AMPLITUDE IN THE OUTPUT OF SAID OSCILLATOR, AND CONTROL MEANS RESPONSIVE TO THE SAID CHANGE IN OUTPUT AMPLITUDE TO CONTROL THE EXTERNAL DEVICE.
References Cited (Backward Citations)
GB668374A
Cited
US2917732A
Cited
US3032722A
Cited
US3067364A
Cited
US3199096A
Cited
US3129415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |