US3246129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutter compensation system for automatic machine tool
Assignee: Bendix Corp
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Filing: 1961-12-29
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Granted: 1966-04-12
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Expires: 1981-12-29
Abstract
No abstract record available.
Inventors
- 👤 Mckelvie John Lachlan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:05
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/33; G05B19/37; G05B19/371; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/302912
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN AN ELECTRONIC SYSTEM FOR CONTROLLING MOTION WHICH GENERATES TWO ELECTRICAL REPRESENTATIONS OF THE DESIRED INSTANTANEOUS MOTION OF THE POSITIONED DEVICE ALONG TWO PERPENDICULAR AXES, USES THE REPRESENTATION TO GENERATE TWO ANALOG SIGNALS, AND CONTROLS THE DEVICE IN ACCORDANCE WITH SUCH ANALOG SIGNALS, THE IMPROVEMENT WHICH CONSISTS OF MEANS FOR GENERATING TWO SINE WAVES DISPLACED FROM ONE ANOTHER BY 90 DEGREES HAVING MAGNITUDE PROPORTIONAL TO SAID TWO REPRESENTATIONS, AN ADDER FOR SAID SINE WAVES OPERATIVE TO PRODUCE A THIRD SINE WAVE HAVING A PHASE DISPLACEMENT PROPORTIONAL TO THE DESIRED RESULTANT CUTTING ANGLE, MEANS HAVING SAID THIRD SINE WAVE AS AN INPUT AND BEING OPERATIVE TO PROVIDE A PAIR OF DIRECT CURRENT VOLTAGES HAVING MAGNITUDES PROPORTIONAL TO THE SINE AND COSINE OF SAID DIRECT CURRENT ANGLE, AND MEANS FOR MULTIPLYING EACH OF SAID DIRECT CURRENT VOLTAGES BY A CORRECTION FACTOR AND ADDING ONE OF THE PRODUCTS TO EACH OF SAID TWO ANALOG SIGNALS.
Claim 2
Dependent Claim
152 words
IN AN ELECTRONIC SYSTEM FOR CONTROLLING MOTION WHICH GENERATES TWO ELECTRICAL REPRESENTATIONS OF THE DESIRED INSTANTANEOUS MOTION OF THE POSITIONED DEVICE ALONG TWO PERPENDICULAR AXES, USES THE REPRESENTATION TO GENERATE TWO ANALOG SIGNALS, AND CONTROLS THE DEVICE IN ACCORDANCE WITH SUCH ANALOG SIGNALS, THE IMPROVEMENT WHICH CONSISTS OF MEANS FOR GENERATING TWO SINE WAVES DISPLACED FROM ONE ANOTHER BY 90 DEGREES HAVING MAGNITUDE PROPORTIONAL TO SAID TWO REPRESENTATIONS, AN ADDER FOR SAID SINE WAVES OPERATIVE TO PRODUCE A THIRD SINE WAVE HAVING A PHASE DISPLACEMENT PROPORTIONAL TO THE DESIRED RESULTANT CUTTING ANGLE, MEANS HAVING SAID THIRD SINE WAVE AS AN INPUT AND BEING OPERATIVE TO PROVIDE A PAIR OF DIRECT CURRENT VOLTAGES HAVING MAGNITUDES PROPORTIONAL TO THE SINE AND COSINE OF SAID DIRECT CURRENT ANGLE, AND MEANS FOR MULTIPLYING EACH OF SAID DIRECT CURRENT VOLTAGES BY A CORRECTION FACTOR AND ADDING ONE OF THE PRODUCTS TO EACH OF SAID TWO ANALOG SIGNALS.
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |