US3111670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for determining the direction of the ground speed of a moving body
Assignee: Individual
•
Filing: 1959-12-09
•
Granted: 1963-11-19
•
Expires: 1979-12-09
Abstract
No abstract record available.
Inventors
- 👤 Gaudillere Odette
- 👤 Bernard Collette Gaudillere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:32
CPC Classifications
G; G01; G01S; G01S11/00; G01S11/02; G01S11/10; G01S1/00; G01S1/02; G01S1/08; G01S1/20; G01S1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A DEVICE FOR DETERMINING THE DIRECTION OF THE GROUND SPEED OR "COURSE ANGLE" R OF A MOVING BODY, SAID DEVICE COMPRISING AT TWO SPACED APART LOCATIONS ON THE GROUND, TWO RADIO-ELECTRIC TRANSMITTER UNITS SENDING OUT SIGNALS OF NEIGHBOURING BUT DISTINCT FREQUENCIES P AND Q, AND, ABOARD THE MOVING BODY, AN INSTALLATION COMPRISING MEANS TO RECEIVE THE SAID SIGNALS AND TO MEASURE THE BEAT-FREQUENCY F1 OF SIGNALS OF P1 AND Q1 FREQUENCIES RECEIVED ABOARD SAID MOVING BODY, AN APPARATUS ENABLING THE VALUE V OF THE VELOCITY OF THE MOVING BODY TO BE CONSTANTLY MEASURED, MEANS TO AUTOMATICALLY CALCULATE, AS A FUNCTION OF V AND OF AN APPROXIMATE VALUE OF THE COURSE-ANGLE R OF THE MOVING BODY, THE COORDINATES X AND Y OF SAID MOVING BODY, AND MEANS TO AUTOMATICALLY CALCULATE, AS A FUNCTION OF F1, V, X AND Y, A MORE ACCURATE VALUE OF THE COURSE-ANGLE R.
Claim 2
Independent Claim
146 words
A DEVICE FOR DETERMINING THE DIRECTION OF THE GROUND SPEED OR "COURSE ANGLE" R OF A MOVING BODY, SAID DEVICE COMPRISING AT TWO SPACED APART LOCATIONS ON THE GROUND, TWO RADIO-ELECTRIC TRANSMITTER UNITS SENDING OUT SIGNALS OF NEIGHBOURING BUT DISTINCT FREQUENCIES P AND Q, AND, ABOARD THE MOVING BODY, AN INSTALLATION COMPRISING MEANS TO RECEIVE THE SAID SIGNALS AND TO MEASURE THE BEAT-FREQUENCY F1 OF SIGNALS OF P1 AND Q1 FREQUENCIES RECEIVED ABOARD SAID MOVING BODY, AN APPARATUS ENABLING THE VALUE V OF THE VELOCITY OF THE MOVING BODY TO BE CONSTANTLY MEASURED, MEANS TO AUTOMATICALLY CALCULATE, AS A FUNCTION OF V AND OF AN APPROXIMATE VALUE OF THE COURSE-ANGLE R OF THE MOVING BODY, THE COORDINATES X AND Y OF SAID MOVING BODY, AND MEANS TO AUTOMATICALLY CALCULATE, AS A FUNCTION OF F1, V, X AND Y, A MORE ACCURATE VALUE OF THE COURSE-ANGLE R.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-18 | 1967-05-20 | 1967-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-18 | 1971-05-20 | 1971-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-18 | 1975-05-20 | 1975-11-19 | $7700.00 | Window Closed / Lapsed |