Patent US4380590A successfully refreshed from Google Patents.
US3095783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fault detection means
Assignee: Short Brothers PLC
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Filing: 1960-05-02
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Granted: 1963-07-02
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Expires: 1980-05-02
Abstract
No abstract record available.
Inventors
- 👤 Charles B Flindt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:35
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/0055; G05D1/0077; B; B64; B64C; B64C13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
APPARATUS FOR CONTROLLING THE MOVEMENT OF AN ORGAN SUCH AS AN AIRCRAFT CONTROL SURFACE OR THE LIKE IN RESPONSE TO INPUT CONTROL MEANS, COMPRISING AT LEAST THREE INDEPENDENT SERVO CONTROL SYSTEMS, EACH HAVING AN INDEPENDENT SERVO MECHANISM WITH ITS OUTPUT MECHANICALLY COUPLED TO A COMMON OUTPUT MEMBER CONTROLLING MOVEMENT OF SAID ORGAN AND EACH HAVING AN INDEPENDENT ELECTRICAL SIGNAL TRANSMISSION CHANNEL ADAPTED TO BE SUPPLIED WITH ELECTRICAL INPUT CONTROL SIGNALS REPRESENTATIVE OF THE MOVEMENT OF THE SAID INPUT CONTROL MEANS, MEANS FOR SAMPLING THE ELECTICAL CONTROL SIGNAL IN EAC H CHANNEL AND FOR COMPARING EACH ELECTICAL SIGNAL SAMPLE WITH EACH OF TWO OTHER ELECTRICAL SIGNAL SAMPLES, AND WARNING MEANS RESPONSIVE TO ANY DISPARITY BETWEEN THE COMPARED SAMPLES TO INDICATE THE IDENTITY OF A DEFECTIVE CHANNEL.
Claim 2
Dependent Claim
125 words
APPARATUS FOR CONTROLLING THE MOVEMENT OF AN ORGAN SUCH AS AN AIRCRAFT CONTROL SURFACE OR THE LIKE IN RESPONSE TO INPUT CONTROL MEANS, COMPRISING AT LEAST THREE INDEPENDENT SERVO CONTROL SYSTEMS, EACH HAVING AN INDEPENDENT SERVO MECHANISM WITH ITS OUTPUT MECHANICALLY COUPLED TO A COMMON OUTPUT MEMBER CONTROLLING MOVEMENT OF SAID ORGAN AND EACH HAVING AN INDEPENDENT ELECTRICAL SIGNAL TRANSMISSION CHANNEL ADAPTED TO BE SUPPLIED WITH ELECTRICAL INPUT CONTROL SIGNALS REPRESENTATIVE OF THE MOVEMENT OF THE SAID INPUT CONTROL MEANS, MEANS FOR SAMPLING THE ELECTICAL CONTROL SIGNAL IN EAC H CHANNEL AND FOR COMPARING EACH ELECTICAL SIGNAL SAMPLE WITH EACH OF TWO OTHER ELECTRICAL SIGNAL SAMPLES, AND WARNING MEANS RESPONSIVE TO ANY DISPARITY BETWEEN THE COMPARED SAMPLES TO INDICATE THE IDENTITY OF A DEFECTIVE CHANNEL.
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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |