RING LASER LOCK-IN CORRECTION APPARATUS
Assignee
HONEYWELL INC., A CORP. OF DE
Filed
Sep 20, 1982
Granted
Feb 10, 1987
Location
MINNEAPOLIS MN US
Abstract
In the present application, an apparatus is provided for altering a ring laser angular rate sensor in such a way that the phase difference between the propagating waves therein includes lock-in error compensation. The apparatus of the present invention obtains a compensation output signal derived from the intensity of one or both of the propagating waves related to sensor lock-in error which can be utilized to alter the behavior of the ring laser so as to alter the behavior of the phase difference between the counter-propagating waves so that lock-in error contained therein is corrected.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
May 20, 1983
Rescinded
Jul 10, 1986
Duration
3 years, 1 month
Inventor
- 1HARRY A. GUSTAFSON
Record Details
- Patent number
- US 4641970
- Application
- 06419874
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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