Patent US3209220A successfully refreshed from Google Patents.
US3209220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pattern control superheterodyne motor control system
Assignee: Individual
•
Filing: 1959-09-24
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Granted: 1965-09-28
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Expires: 1979-09-24
Abstract
No abstract record available.
Inventors
- 👤 Ivan L Joy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:00
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/42; G05B19/4202; G05B19/4205; F; F15; F15B; F15B9/00; F15B9/02; F15B9/03; G05B19/04; G05B19/12; G05B19/16; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1418; G05B2219/00; G05B2219/20; G05B2219/23; G05B2219/23421
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
IN A CONTROL SYSTEM FOR POSITIONING A CONTROLLED MEMBER AUTOMATICALLY, IN COMBINATION: A SUPERHETERODYNE TYPE CONTROL SYSTEM INCLUDING A TAPE RECORDER SOURCE OF AUDIO FREQUENCY COMMAND SIGNALS OF A VARIABLE FREQUENCY CHARACTERISTIC REPRESENTATIVE OF THE DESIRED POSITION PROGRAMMING SEQUENCE OF THE CONTROLLED MEMBER, SAID FREQUENCY CHARACTERISTIC HAVING A SINGLE VALUED ORDERED FREQUENCY VALUE VERSUS POSITION SPECTRUM OVER A PREDETERMINED RANGE OF AUDIO FREQUENCY BAND WIDTH IN WHICH EACH POSITION IS REPRESENTED BY SUBSTANTIALLY A SINGLE CORRESPONDING FREQUENCY VALUE, A POSITION OSCILLATOR HAVING A FREQUENCY VARYING ELEMENT CONNECTED TO PROVIDE RADIO FREQUENCY REFERENCE SIGNALS OF A VARIABLE FREQUENCY CHARACTERISTIC REPRESENTATIVE OF THE ACTUAL POSITION OF THE CONTROLLED MEMBER, SAID LAST-NAMED FREQUENCY CHARACTERISTIC HAVING A SINGLE VALUED ORDERED FREQUENCY VALUE VERSUS POSITION SPECTRUM OVER A RANGE OF RADIO FREQUENCY BAND WIDTH CORRESPONDING IN RANGE SO THAT OF SAID RADIO FREQUENCY BAND WIDTH, A MIXER CONNECTED TO RECEIVE SAID COMMAND SIGNALS AND REFERENCE SIGNALS AND PROVIDING A RADIO FREQUENCY OUTPUT SIGNAL HAVING A PREDETERMINED VALUE WHEN THE CONTROLLED MEMBER IS IN ITS COMMANDED POSITION, A
Claim 2
Dependent Claim
172 words
IN A CONTROL SYSTEM FOR POSITIONING A CONTROLLED MEMBER AUTOMATICALLY, IN COMBINATION: A SUPERHETERODYNE TYPE CONTROL SYSTEM INCLUDING A TAPE RECORDER SOURCE OF AUDIO FREQUENCY COMMAND SIGNALS OF A VARIABLE FREQUENCY CHARACTERISTIC REPRESENTATIVE OF THE DESIRED POSITION PROGRAMMING SEQUENCE OF THE CONTROLLED MEMBER, SAID FREQUENCY CHARACTERISTIC HAVING A SINGLE VALUED ORDERED FREQUENCY VALUE VERSUS POSITION SPECTRUM OVER A PREDETERMINED RANGE OF AUDIO FREQUENCY BAND WIDTH IN WHICH EACH POSITION IS REPRESENTED BY SUBSTANTIALLY A SINGLE CORRESPONDING FREQUENCY VALUE, A POSITION OSCILLATOR HAVING A FREQUENCY VARYING ELEMENT CONNECTED TO PROVIDE RADIO FREQUENCY REFERENCE SIGNALS OF A VARIABLE FREQUENCY CHARACTERISTIC REPRESENTATIVE OF THE ACTUAL POSITION OF THE CONTROLLED MEMBER, SAID LAST-NAMED FREQUENCY CHARACTERISTIC HAVING A SINGLE VALUED ORDERED FREQUENCY VALUE VERSUS POSITION SPECTRUM OVER A RANGE OF RADIO FREQUENCY BAND WIDTH CORRESPONDING IN RANGE SO THAT OF SAID RADIO FREQUENCY BAND WIDTH, A MIXER CONNECTED TO RECEIVE SAID COMMAND SIGNALS AND REFERENCE SIGNALS AND PROVIDING A RADIO FREQUENCY OUTPUT SIGNAL HAVING A PREDETERMINED VALUE WHEN THE CONTROLLED MEMBER IS IN ITS COMMANDED POSITION, A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |