Patent US2270881A successfully refreshed from Google Patents.
US3287545A
Expired / Lapsed
US
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Automatic control system
Assignee: Milacron Inc
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Filing: 1962-02-26
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Granted: 1966-11-22
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Expires: 1982-02-26
Abstract
No abstract record available.
Inventors
- 👤 Lonnie A Burnett
- 👤 Herbert M Fuldner
- 👤 Norman D Neal
- 👤 John W Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:00
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/182; G05B19/184; G05B19/19; G05B19/33; G05B19/35; G05B19/351; G05B19/37; G05B19/371; G05B19/41; G05B19/4105; G05B2219/00; G05B2219/30; G05B2219/34; G05B2219/34179; G05B2219/34182; G05B2219/35; G05B2219/35373; G05B2219/43; G05B2219/43006; G05B2219/43187; G05B2219/50; G05B2219/50334; G05B2219/50335
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
APPARATUS FOR PRODUCING SIGNALS SUITABLE TO CONTROL THE DISPLACEMENT OF A MOVEMENT ELEMENT COMPRISING: (A) A SOURCE OF INPUT SIGNALS REPRESENTING VALUES OF A FUNCTION AT RELATIVELY WIDELY SPACED INTERVALS OF A VARIABLE OF THE FUNCTION, (B) INTERPOLATING MEANS HAVING A PLURALITY OF INPUT TERMINALS FOR RECEIVING SIGNALS FROM SAID SOURCE AND A PLURALITY OF OUTPUT TERMINALS WHICH ARE GREATER IN NUMBER THAN SAID INPUT TERMINALS FOR PRODUCING OUTPUT SIGNALS WHICH ARE REPRESENTATIVE OF INTERMEDIATE VALUES OF A FUNCTION, (C) AN OUTPUT CONDUCTOR, (D) MEANS FOR SELECTIVELY CONNECTING SAID OUTPUT TERMINALS TO SAID OUTPUT CONDUCTOR, (E) SAID STATIC MEANS FOR CONTROLLING THE OPERATION OF SAID CONNECTING MEANS TO CONNECT SAID OUTPUT TERMINALS TO SAID OUTPUT CONDUCTOR IN A PREARRANGED SEQUENCE AND INCLUDING (1) AN ELECTRONIC COMMUTATING DEVICE FOR SEQUENTIALLY OPERATING SAID CONNECTING MEANS, (2) A VARIABLE FREQUENCY PULSE GENERATOR, (3) AND MEANS FOR DRIVING SAID COMMUTATING DEVICE AT A RATE PROPORTIONAL TO THE PULSE RATE OF SAID GENERATOR.
Claim 2
Dependent Claim
158 words
APPARATUS FOR PRODUCING SIGNALS SUITABLE TO CONTROL THE DISPLACEMENT OF A MOVEMENT ELEMENT COMPRISING: (A) A SOURCE OF INPUT SIGNALS REPRESENTING VALUES OF A FUNCTION AT RELATIVELY WIDELY SPACED INTERVALS OF A VARIABLE OF THE FUNCTION, (B) INTERPOLATING MEANS HAVING A PLURALITY OF INPUT TERMINALS FOR RECEIVING SIGNALS FROM SAID SOURCE AND A PLURALITY OF OUTPUT TERMINALS WHICH ARE GREATER IN NUMBER THAN SAID INPUT TERMINALS FOR PRODUCING OUTPUT SIGNALS WHICH ARE REPRESENTATIVE OF INTERMEDIATE VALUES OF A FUNCTION, (C) AN OUTPUT CONDUCTOR, (D) MEANS FOR SELECTIVELY CONNECTING SAID OUTPUT TERMINALS TO SAID OUTPUT CONDUCTOR, (E) SAID STATIC MEANS FOR CONTROLLING THE OPERATION OF SAID CONNECTING MEANS TO CONNECT SAID OUTPUT TERMINALS TO SAID OUTPUT CONDUCTOR IN A PREARRANGED SEQUENCE AND INCLUDING (1) AN ELECTRONIC COMMUTATING DEVICE FOR SEQUENTIALLY OPERATING SAID CONNECTING MEANS, (2) A VARIABLE FREQUENCY PULSE GENERATOR, (3) AND MEANS FOR DRIVING SAID COMMUTATING DEVICE AT A RATE PROPORTIONAL TO THE PULSE RATE OF SAID GENERATOR.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |