US3305674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for determining an angle from a set of orthogonal components
Assignee: Individual
•
Filing: 1966-03-14
•
Granted: 1967-02-21
•
Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 Herbert D Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:17
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/22; G05; G05D; G05D3/00; G05D3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A DEVICE FOR CONVERTING A FIRST DIRECT-CURRENT SIGNAL REPRESENTING THE X COMPONENT OF A POINT AND HAVING A SUBSTANTIALLY CONSTANT MAGNITUDE PROPORTIONAL TO A COS O AND A SECOND DIRECT-CURRENT SIGNAL REPRESENTING THE Y COMPONENT OF THE POINT AND HAVING A SUBSTANTIALLY CONSTANT MAGNITUDE PROPORTIONAL TO A SIN O TO A SIGNAL HAVING A VALUE PROPORTIONAL TO THE VALUE OF THE ANGLE O OF A RADIUS VECTOR A DRAWN THROUGH THE POINT: (A) MEANS FOR GENERATING A SIGNAL HAVING AN EXPONENTIAL SINUSOIDAL TRANSIENT WAVEFORM, SAID MEANS HAVING A FIRST AND SECOND TERMINAL POSITIONED SUBSTANTIALLY NINETY ELECTRICAL DEGREES APART, (B) CONTROL MEANS RESPONSIVE TO AN INITIATING PULSE FOR APPLYING SAID FIRST AND SECOND DIRECT-CURRENT SIGNAL TO SAID FIRST AND SECOND TERMINAL, RESPECTIVELY, (C) MEANS FOR DERIVING FROM SAID FIRST-MENTIONED MEANS A SINUSOIDAL SIGNAL OF THE TYPE COS (WT-O) THAT IS A FUNCTION OF WT AND O,
Claim 2
Dependent Claim
146 words
IN A DEVICE FOR CONVERTING A FIRST DIRECT-CURRENT SIGNAL REPRESENTING THE X COMPONENT OF A POINT AND HAVING A SUBSTANTIALLY CONSTANT MAGNITUDE PROPORTIONAL TO A COS O AND A SECOND DIRECT-CURRENT SIGNAL REPRESENTING THE Y COMPONENT OF THE POINT AND HAVING A SUBSTANTIALLY CONSTANT MAGNITUDE PROPORTIONAL TO A SIN O TO A SIGNAL HAVING A VALUE PROPORTIONAL TO THE VALUE OF THE ANGLE O OF A RADIUS VECTOR A DRAWN THROUGH THE POINT: (A) MEANS FOR GENERATING A SIGNAL HAVING AN EXPONENTIAL SINUSOIDAL TRANSIENT WAVEFORM, SAID MEANS HAVING A FIRST AND SECOND TERMINAL POSITIONED SUBSTANTIALLY NINETY ELECTRICAL DEGREES APART, (B) CONTROL MEANS RESPONSIVE TO AN INITIATING PULSE FOR APPLYING SAID FIRST AND SECOND DIRECT-CURRENT SIGNAL TO SAID FIRST AND SECOND TERMINAL, RESPECTIVELY, (C) MEANS FOR DERIVING FROM SAID FIRST-MENTIONED MEANS A SINUSOIDAL SIGNAL OF THE TYPE COS (WT-O) THAT IS A FUNCTION OF WT AND O,
References Cited (Backward Citations)
US3068467A
Cited
US2983880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |