US3237313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital platform erection and gyrocompassing
Assignee: General Precision Inc
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Filing: 1963-01-04
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Granted: 1966-03-01
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Expires: 1983-01-04
Abstract
No abstract record available.
Inventors
- 👤 James C Gevas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:30
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/10; G01C21/12; G01C21/16; G01C21/18; G01C25/00; G01C25/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A DIGITAL TORQUING SYSTEM COMPRISING TIME CONSTANT MEANS TO RESPOND TO AN APPLIED INPUT SIGNAL ALONG A PREDETERMINED EXPOTENTIAL CURVE, READOUT MEANS, INCLUDING A TIMER, DETECTING THE RESPONSE OF SAID TIME CONSTANT MEANS AFTER A TIME INTERVAL WHICH IS A PREDETERMINED FRACTION OF THE TIME CONSTANT OF SAID EXPPTENTIAL CURVE, AND MEANS TO GENERATE A SIGNAL PROPORTIONAL TO THE RESPONSE DETECTED BY SAID READOUT MEANS.
Claim 2
Independent Claim
141 words
A METHOD OF GYROCOMPASSING A PLATFORM, HAVING AN AZIMUTH GYRO, A VERTICAL GYRO, AND AN ACCELEROMETER SENSING ACCELERATION OF THE PLATFORM ALONG A HORIZONTAL AXIS THEREOF, BY MEANS OF A TIME CONSTANT MEANS WHICH WHEN ENABLED RESPONDS TO AN APPLIED INPUT SIGNAL ALONG AN EXPOTENTIAL CURVE COMPRISING THE STEPS OF: FIRST PRECISELY ERECTING SAID PLATFORM, THEN TORQUING SAID VERTICAL GYRO WITH A SIGNAL PROPORTIONAL TO THE OUTPUT SIGNAL OF SAID ACCELEROMETER WHILE AT THE SAME TIME ENABLING SAID TIME CONSTANT MEANS AND APPLYING THE OUTPUT SIGNAL OF SAID ACCELEROMETER TO THE INPUT OF SAID TIME CONSTANT MEANS, THEN DETECTING THE RESPONSE OF SAID TIME CONSTANT MEANS AFTER A TIME INTERVAL WHICH IS A PREDETERMINED FRACTION OF THE TIME CONSTANT OF SAID EXPOTENTIAL CURVE, AND THE TORQUING SAID AZIMUTH GYRO AN AMOUNT DETERMINED BY THE DETECTED RESPONSE OF SAID TIME CONSTANT MEANS.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |