LOW Q BODY-DITHERED LASER GYRO ASSEMBLY
Assignee
SUNDSTRAND CORPORATION A CORP. OF DE
Filed
May 20, 1983
Granted
Mar 31, 1987
Location
THOUSAND OAKS CA US
Abstract
A low Q ring laser gyro-dither motor assembly which is responsive to a wide range of frequency components of a drive signal having a randomly varying frequency such that the dither imparted to the gyro is frequency modulated by the drive. The frequency modulated dither varies the lock-in rate of the gyro as a function of the random drive signal to eliminate errors in the gyro output due to lock-in. The drive signal may be random in frequency only or random in both frequency and amplitude to provide the frequency modulation. Fixed frequency modulation may also be employed. The low Q assembly need not be driven at the natural frequency thereof so that a common drive circuit may be employed for a plurality of low Q gyro-dither motor assemblies forming an instrument cluster.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Apr 2, 1985
Rescinded
Jul 31, 1985
Duration
4 months
Inventor
- 1DARYL C. STJERN
Record Details
- Patent number
- US 4653918
- Application
- 06496606
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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