Patent US3085158A successfully refreshed from Google Patents.
US3085158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Error measuring system for scanners
Assignee: North American Aviation Corp
•
Filing: 1954-11-24
•
Granted: 1963-04-09
•
Expires: 1974-11-24
Abstract
No abstract record available.
Inventors
- 👤 Miller Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:33
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/787
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A RADIAL ERROR MEASURING SYSTEM COMPRISING A RADIANT ENERGY SENSITIVE DEVICE AND A SCANNING DEVICE WHICH SCANS IN SUCCESSIVE RADIAL SWEEPS, COMMUTATING MEANS GENERATING A PULSE AT THE COMMENCEMENT OF EACH RADIAL SWEEP, A DIFFERENTIATING CIRCUIT CONNECTED TO SAID COMMUTATING MEANS TO PRODUCE A SPIKE AT THE LEADING EDGE OF SAID PULSE, A SWEEP GENERATOR CONNECTED TO RECEIVE SAID SPIKE AND INTIATE A SAWTOOTH WAVE IN SYNCHRONISM WITH SAID SPIKE, LIMITING MEANS CONNECTED TO RECEIVE THE OUTPUT OF SAID RADIANT ENERGY SENSITIVE DEVICE AND REMOVE THE AMPLITUDE MODULATION THEREFROM, AN AMPLIFIER CONNECTED TO RECEIVE THE OUTPUT OF SAID LIMITER AND MEANS FOR CONTROLLING THE GAIN OF SAID AMPLIFIER IN RESPONSE TO THE OUTPUT OF SAID SWEEP GENERATOR.
Claim 2
Dependent Claim
118 words
IN A RADIAL ERROR MEASURING SYSTEM COMPRISING A RADIANT ENERGY SENSITIVE DEVICE AND A SCANNING DEVICE WHICH SCANS IN SUCCESSIVE RADIAL SWEEPS, COMMUTATING MEANS GENERATING A PULSE AT THE COMMENCEMENT OF EACH RADIAL SWEEP, A DIFFERENTIATING CIRCUIT CONNECTED TO SAID COMMUTATING MEANS TO PRODUCE A SPIKE AT THE LEADING EDGE OF SAID PULSE, A SWEEP GENERATOR CONNECTED TO RECEIVE SAID SPIKE AND INTIATE A SAWTOOTH WAVE IN SYNCHRONISM WITH SAID SPIKE, LIMITING MEANS CONNECTED TO RECEIVE THE OUTPUT OF SAID RADIANT ENERGY SENSITIVE DEVICE AND REMOVE THE AMPLITUDE MODULATION THEREFROM, AN AMPLIFIER CONNECTED TO RECEIVE THE OUTPUT OF SAID LIMITER AND MEANS FOR CONTROLLING THE GAIN OF SAID AMPLIFIER IN RESPONSE TO THE OUTPUT OF SAID SWEEP GENERATOR.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |