US3178566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Function generator
Assignee: Individual
•
Filing: 1962-02-12
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Granted: 1965-04-13
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Expires: 1982-02-12
Abstract
No abstract record available.
Inventors
- 👤 George F Harpell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:22
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/295; G01S13/00; G01S13/88; G01S13/91; G01S13/913; G06; G06G; G06G7/00; G06G7/12; G06G7/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A FUNCTION GENERATOR FOR USE IN AN AIRCRAFT CONTROL SYSTEM, SAID FUNCTION GENERATOR COMPRISING FIRST AND SECOND FUNCTION GENERATING COMPONENTS, SAID FIRST FUNCTION GENERATING COMPONENT BEING IN THE FORM OF A FLAT CARD PROVIDING AN ELECTRICAL RESPRESENTATION OF THE DESIRED CONTROL PATTERN, SAID CARD HAVING A PLURALITY OF HEATING LINES SUPERIMPOSED THEREON, AND SAID SECOND FUNCTION GENERATING COMPONENT BEING ALSO IN THE FORM OF A FLAT CARD PROVIDING AN ELECTRICAL REPRESENTATION OF THE DESIRED CONTROL PATTERN, SAID CARD HAVING A PLURALITY OF DISTANCE-TOGO LINES SUPERIMPOSED THEREON, AND FIRST AND SECOND PICK-UP HEADS ASSOCIATED WITH SAID FIRST AND SECOND FUNCTION GENERATING COMPONENTS RESPECTIVELY.
Claim 2
Dependent Claim
102 words
A FUNCTION GENERATOR FOR USE IN AN AIRCRAFT CONTROL SYSTEM, SAID FUNCTION GENERATOR COMPRISING FIRST AND SECOND FUNCTION GENERATING COMPONENTS, SAID FIRST FUNCTION GENERATING COMPONENT BEING IN THE FORM OF A FLAT CARD PROVIDING AN ELECTRICAL RESPRESENTATION OF THE DESIRED CONTROL PATTERN, SAID CARD HAVING A PLURALITY OF HEATING LINES SUPERIMPOSED THEREON, AND SAID SECOND FUNCTION GENERATING COMPONENT BEING ALSO IN THE FORM OF A FLAT CARD PROVIDING AN ELECTRICAL REPRESENTATION OF THE DESIRED CONTROL PATTERN, SAID CARD HAVING A PLURALITY OF DISTANCE-TOGO LINES SUPERIMPOSED THEREON, AND FIRST AND SECOND PICK-UP HEADS ASSOCIATED WITH SAID FIRST AND SECOND FUNCTION GENERATING COMPONENTS RESPECTIVELY.
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |