US3467472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Random bias for laser angular rate sensor
Assignee: Honeywell Inc
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Filing: 1966-12-05
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Granted: 1969-09-16
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Expires: 1986-12-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Killpatrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:10
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/58; G01C19/64; G01C19/66; G01C19/68; G01C19/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN A DEVICE WHEREIN TWO BEAMS OF SUBSTANTIALLY MONOCHROMATIC LIGHT ARE GENERATED ALONG A CLOSED-LOOP PATH IN OPPOSITE DIRECTIONS AND THE FREQUENCY DIFFERENCE BETWEEN THE TWO BEAMS IS DETERMINED AS A MEASURE OF ROTATION THEREOF, APPARATUS TO AVOID LOCK-IN OF THE TWO BEAMS OF LIGHT COMPRISING: MEANS FOR BIASING THE BEAMS OF LIGHT TO DIFFERENT FREQUENCIES; MEANS FOR CAUSING THE DIRECTION OF THE BIAS TO PERIODICALLY REVERSE; AND MEANS FOR RANDOMIZING THE BIAS SO AS TO RANDOMIZE THE EFFECTS OF LOCK-IN DURING THE PERIOD OF TIME IN WHICH SAID BIAS IS REVERSING.
Claim 2
Dependent Claim
92 words
IN A DEVICE WHEREIN TWO BEAMS OF SUBSTANTIALLY MONOCHROMATIC LIGHT ARE GENERATED ALONG A CLOSED-LOOP PATH IN OPPOSITE DIRECTIONS AND THE FREQUENCY DIFFERENCE BETWEEN THE TWO BEAMS IS DETERMINED AS A MEASURE OF ROTATION THEREOF, APPARATUS TO AVOID LOCK-IN OF THE TWO BEAMS OF LIGHT COMPRISING: MEANS FOR BIASING THE BEAMS OF LIGHT TO DIFFERENT FREQUENCIES; MEANS FOR CAUSING THE DIRECTION OF THE BIAS TO PERIODICALLY REVERSE; AND MEANS FOR RANDOMIZING THE BIAS SO AS TO RANDOMIZE THE EFFECTS OF LOCK-IN DURING THE PERIOD OF TIME IN WHICH SAID BIAS IS REVERSING.
References Cited (Backward Citations)
US3373650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |