DEVICE FOR MEASURING A PHASE SHIFT WHICH IS NOT RECIPROCAL PRODUCED IN A RING INTERFEROMETER
Assignee
THOMSON-CSF
Filed
Oct 6, 1981
Granted
Oct 15, 1991
Location
PARIS FR
Abstract
A ring-shaped interferometer device containing optical means for phase shifting which act on the rays passing through the rings, these means containing an oscillator which delivers a periodic voltage of frequency 1/2τ, in which τ is the time taken by a ray to pass through the ring and a saw-tooth generator whose resonant frequency is slaved to the non reciprocal phase shift.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Dec 8, 1982
Rescinded
Dec 31, 1990
Duration
8 years
Inventor
- 1HERVE J. ARDITTY
Record Details
- Patent number
- US 5056919
- Application
- 06313939
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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