US3210028A
Expired / Lapsed
US
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Control apparatus
Assignee: Honeywell Inc
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Filing: 1962-09-27
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Granted: 1965-10-05
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Expires: 1982-09-27
Abstract
No abstract record available.
Inventors
- 👤 William C Sproull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:35
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/20; F41G7/24; G; G05; G05D; G05D1/00; G05D1/02; G05D1/0202
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
APPARATUS FOR DIRECTING AN AIRCRAFT ON TO AND ALONG A PERDETERMINED PATH DEFINED BY A RADIO BEAM COMPRISING IN COMBINATION WITH AN AUTOPILOT HAVING AN AILERON CHANNEL: A FIRST SOURCE OF SIGNAL HAVING A POLARITY ANF MAGNITUDE DEPENDENT UPON THE LATERAL DISPLACEMENT OF THE AIRCRAFT FROM THE BEAM; A SECOND SOURCE OF SIGNAL HAVING A POLARITY AND MAGNTUDE DEPENDENT UPON THE ROLL ATTITUDE OF THE AIRCRAFT; A SUMMING NETWORK FOR SUMMING THE DISPLACEMENT AND ROLL SIGNALS; A THIRD SOURCE OF SIGNAL HAVING A POLARITY AND A MAGNITUDE DEPENDENT UPON THE HEADING OF THE AIRCRAFT RELATIVE TO THE HEADING OF THE BEAM; A HIGH-PASS NETWORK NORMALLY TRANSMITTING A TRANSIENT HEADING SIGNAL TO THE SUMMING NETWORK; AND MEANS TRANSMITTING THE HEADING SIGNAL DIRECTLY TO THE SUMMING NETWORK, THEREBY SHUNTING THE HIGH-PASS NETWORK, WHENEVER THE HEADING SIGNAL IS GREATER THAN SOME PREDETERMINED AMOUNT, THE SUMMATION SIGNAL BEING EFFECTIVE IN CONTROLLING THE AILERON CHANNEL OF THE AUTOPILOT.
Claim 2
Dependent Claim
153 words
APPARATUS FOR DIRECTING AN AIRCRAFT ON TO AND ALONG A PERDETERMINED PATH DEFINED BY A RADIO BEAM COMPRISING IN COMBINATION WITH AN AUTOPILOT HAVING AN AILERON CHANNEL: A FIRST SOURCE OF SIGNAL HAVING A POLARITY ANF MAGNITUDE DEPENDENT UPON THE LATERAL DISPLACEMENT OF THE AIRCRAFT FROM THE BEAM; A SECOND SOURCE OF SIGNAL HAVING A POLARITY AND MAGNTUDE DEPENDENT UPON THE ROLL ATTITUDE OF THE AIRCRAFT; A SUMMING NETWORK FOR SUMMING THE DISPLACEMENT AND ROLL SIGNALS; A THIRD SOURCE OF SIGNAL HAVING A POLARITY AND A MAGNITUDE DEPENDENT UPON THE HEADING OF THE AIRCRAFT RELATIVE TO THE HEADING OF THE BEAM; A HIGH-PASS NETWORK NORMALLY TRANSMITTING A TRANSIENT HEADING SIGNAL TO THE SUMMING NETWORK; AND MEANS TRANSMITTING THE HEADING SIGNAL DIRECTLY TO THE SUMMING NETWORK, THEREBY SHUNTING THE HIGH-PASS NETWORK, WHENEVER THE HEADING SIGNAL IS GREATER THAN SOME PREDETERMINED AMOUNT, THE SUMMATION SIGNAL BEING EFFECTIVE IN CONTROLLING THE AILERON CHANNEL OF THE AUTOPILOT.
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |