US3263167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring the non-linear dimension of a workpiece
Assignee: Reliance Electric and Engineering Co
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Filing: 1962-10-04
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Granted: 1966-07-26
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Expires: 1982-10-04
Abstract
No abstract record available.
Inventors
- 👤 George B Foster
- 👤 Cary Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:34
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A SYSTEM FOR MEASURING THE DIMENSIONS OF A WORKPIECE COMPRISING, A NON-CONTACTING SENSOR HAVING AN ELECTRICAL PARAMETER VARIABLE IN ACCORDANCE WITH THE DISTANCE FROM A WORKPIECE IN ONE DIRECTION, POSITIONING MEANS FOR SAID SENSOR, A SENSING OSCILLATOR PRODUCING A FREQUENCY SHIFT WITH RESPECT TO DISPLACEMENT OF SAID SENSOR, MEANS CONNECTING SAID VARIABLE ELECTRICAL PARAMETER OF SAID SENSOR TO SAID OSCILLATOR TO FREQUENCY MODULATE THE SAME IN ACCORDANCE WITH ANY VARIATION IN DISTANCE BETWEEN SAID SENSOR AND SAID WORKPIECE, A LOCAL OSCILLATOR, MEANS FOR BEATING THE OUTPUT OF SAID SENSING OSCILLATOR WITH SAID LOCAL OSCILLATOR SIGNAL, MEANS FOR DISCRIMINATING THE BEAT SIGNAL, AND MEANS FOR CONNECTING THE DISCRIMINATED OUTPUT IN A CLOSED LOOP CIRCUIT TO SAID LOCAL OSCILLATOR FOR MAINTAINING A REFERENCE LEVEL WITH RESPECT TO THE FREQUENCY SHIFT OF SAID SENSING OSCILLATOR; MEANS ALSO CONNECTED TO THE OUTPUT OF SAID DISCRIMINATOR FOR CONVERTING SAID BEAT SIGNAL TO AN ANALOG SIGNAL, A REFERENCE ANALOG SIGNAL PRODUCING MEANS, MEANS FOR COMPARING SAID TWO ANALOG
Claim 2
Independent Claim
162 words
A SYSTEM FOR MEASURING THE DIMENSIONS OF A WORKPIECE COMPRISING, A NON-CONTACTING SENSOR HAVING AN ELECTRICAL PARAMETER VARIABLE IN ACCORDANCE WITH THE DISTANCE FROM A WORKPIECE IN ONE DIRECTION, POSITIONING MEANS FOR SAID SENSOR, A SENSING OSCILLATOR PRODUCING A FREQUENCY SHIFT WITH RESPECT TO DISPLACEMENT OF SAID SENSOR, MEANS CONNECTING SAID VARIABLE ELECTRICAL PARAMETER OF SAID SENSOR TO SAID OSCILLATOR TO FREQUENCY MODULATE THE SAME IN ACCORDANCE WITH ANY VARIATION IN DISTANCE BETWEEN SAID SENSOR AND SAID WORKPIECE, A LOCAL OSCILLATOR, MEANS FOR BEATING THE OUTPUT OF SAID SENSING OSCILLATOR WITH SAID LOCAL OSCILLATOR SIGNAL, MEANS FOR DISCRIMINATING THE BEAT SIGNAL, AND MEANS FOR CONNECTING THE DISCRIMINATED OUTPUT IN A CLOSED LOOP CIRCUIT TO SAID LOCAL OSCILLATOR FOR MAINTAINING A REFERENCE LEVEL WITH RESPECT TO THE FREQUENCY SHIFT OF SAID SENSING OSCILLATOR; MEANS ALSO CONNECTED TO THE OUTPUT OF SAID DISCRIMINATOR FOR CONVERTING SAID BEAT SIGNAL TO AN ANALOG SIGNAL, A REFERENCE ANALOG SIGNAL PRODUCING MEANS, MEANS FOR COMPARING SAID TWO ANALOG
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 |