US3911599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gunner accuracy control panel
Assignee: Raytheon Co
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Filing: 1974-09-30
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Granted: 1975-10-14
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Expires: 1994-09-30
Abstract
Abstract A system for quantitatively and qualitatively evaluating the tracking performance of personnel using a telescopic sight to track a target is provided. The readout presented by the Gunner Accuracy Control Panel (GACP) is digital and hence may be reliably stored for an indefinite period of time with negligible drift. The liquid crystal display is visible in direct sunlight and may be artificially lighted for night use. When a target is tracked with the system of the invention, azimuth and elevation error signals are generated indicating the displacement of the tracked target from the optical line-of-sight of the tracker. The GACP processes these signals and presents a score as displayed on a digital readout which is inversely proportional to the total standard deviation from the line-of-sight of the operator''s tracking. No resetting is required, the digital readout turns off when the scoring begins and comes on a preselected time later to present the score achieved during that time.
Inventors
- 👤 Douglas G Talley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:11
CPC Classifications
F; F41; F41G; F41G3/00; F41G3/26; F41G3/30
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
137 words
A Gunner''s Accuracy Control Panel comprising: means for receiving and processing an azimuth tracking error signal; means for receiving and processing an elevation tracking error signal; means for rectifying said azimuth tracking error signal causing all its deviations from a reference to be of like polarity; means for rectifying said elevation tracking error signal causing all its deviations from a reference to be of like polarity; means forming the sum of the absolute values of said azimuth and elevation tracking error signals; means for pre selecting a time interval during which said azimuth and elevation tracking errors signals are accumulated; means for scoring said sum of the absolute values of said azimuth and elevation tracking error signals during said pre selected time interval; and means for displaying a tracking score attained during said pre selected time interval.
Claim 2
Dependent Claim
137 words
A Gunner''s Accuracy Control Panel comprising: means for receiving and processing an azimuth tracking error signal; means for receiving and processing an elevation tracking error signal; means for rectifying said azimuth tracking error signal causing all its deviations from a reference to be of like polarity; means for rectifying said elevation tracking error signal causing all its deviations from a reference to be of like polarity; means forming the sum of the absolute values of said azimuth and elevation tracking error signals; means for pre selecting a time interval during which said azimuth and elevation tracking errors signals are accumulated; means for scoring said sum of the absolute values of said azimuth and elevation tracking error signals during said pre selected time interval; and means for displaying a tracking score attained during said pre selected time interval.
Claim 3
Dependent Claim
26 words
A Gunner''s Accuracy Control Panel according to claim 1 wherein said means for rectifying said azimuth tracking error signal includes at least one absolute value amplifier.
Claim 4
Dependent Claim
22 words
The system of claim 2 wherein said means for rectifying said elevation tracking error signal includes at least one absolute value amplifier.
Claim 5
Dependent Claim
38 words
A Gunner''s Accuracy Control Panel according to claim 1 wherein said means for scoring said sum of the absolute values of said azimuth and elevation tracking error signals during said pre selected time interval includes an analog integrator.
Claim 6
Dependent Claim
18 words
The system of claim 4 wherein said analog integrator includes a field effect transistor as one control element.
Claim 7
Dependent Claim
17 words
The system of claim 5 comprising at least one decade counter, triggered by a one-shot comparator configuration.
Claim 8
Dependent Claim
25 words
A Gunner''s Accuracy Control Panel according to claim 1 wherein said means for displaying a tracking score comprises at least one digital numerical display indicator.
Claim 9
Dependent Claim
16 words
The system of claim 7 wherein said digital numerical display indicator is a liquid crystal cell.
Claim 10
Dependent Claim
164 words
A Gunner''s Accuracy Control Panel comprising: a first filter amplifier for receiving and processing an azimuth tracking error signal; a second filter amplifier for receiving and processing an elevation tracking error signal; a first absolute value amplifier for further processing said azimuth tracking error signal by rectification causing all of its deviations from a reference to be of like polarity; a second absolute value amplifier for further processing said elevation tracking error signal by rectification causing all its deviations from a reference to be of like polarity; a summing amplifier forming the sum of the absolute values of said azimuth and elevation tracking error signals; a timer pre selecting a timed interval during which said azimuth and elevation tracking error signals are accumulated; a counter in which said sum of the absolute values of said azimuth and elevation tracking error signals will be stored for saId pre selected timed interval; and a display indicating a tracking score attained during said pre selected timed interval.
Claim 11
Dependent Claim
164 words
A Gunner''s Accuracy Control Panel comprising: a first filter amplifier for receiving and processing an azimuth tracking error signal; a second filter amplifier for receiving and processing an elevation tracking error signal; a first absolute value amplifier for further processing said azimuth tracking error signal by rectification causing all of its deviations from a reference to be of like polarity; a second absolute value amplifier for further processing said elevation tracking error signal by rectification causing all its deviations from a reference to be of like polarity; a summing amplifier forming the sum of the absolute values of said azimuth and elevation tracking error signals; a timer pre selecting a timed interval during which said azimuth and elevation tracking error signals are accumulated; a counter in which said sum of the absolute values of said azimuth and elevation tracking error signals will be stored for saId pre selected timed interval; and a display indicating a tracking score attained during said pre selected timed interval.
Claim 12
Dependent Claim
19 words
The system of claim 9 wherein said display indicating a tracking score is a digital, liquid crystal, numerical indicator.
References Cited (Backward Citations)
US3257741A
Cited
US3798795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-13 | 1979-04-14 | 1979-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-13 | 1983-04-14 | 1983-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-13 | 1987-04-14 | 1987-10-14 | $7700.00 | Window Closed / Lapsed |