US3205475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torpedo tracking system
Assignee: Individual
•
Filing: 1963-08-23
•
Granted: 1965-09-07
•
Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
- 👤 Rene N Foss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:20
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/80; G01S3/802; G01S3/808; G01S3/8083; G01S11/00; G01S11/14; G01S5/00; G01S5/18; G01S5/28; Y; Y10; Y10S; Y10S367/00; Y10S367/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A SYSTEM FOR DETERMINING A POSITIONAL COORDINATE OF A BODY IN A PRESELECTED WATER REGION, SAID SYSTEM COMPRISING: (A) MEANS CARRIED BY SAID BODY FOR EMITTING AN ULTRASONIC ENERGY PULSE; (B) A PAIR OF SPACED HYDROPHONES FIXEDLY POSITIONED IN SAID WATER REGION ALONG A LINE CORRESPONDING TO A CORDINATE AXIS, ONE HYDROPHONE AT A POINT CORRESPONDING TO THE COORDINATE AXIS ORIGIN, THE OTHER HYDROPHONE SPACED THEREFROM AT A PREDETERMINED DISTANCE, FOR RECEPTION OF SAID ULTRASONIC PULSE AT INSTANTS, RELATIVE TO THE PULSE EMISSION INSTANT, DEPENDENT UPON THE POSITIONAL COORDINATE OF SAID BODY RELATIVE TO SAID COORDINATE AXIS AND ORIGIN; (C) AND REMOTELY-LOCATED APPARATUS FOR DETECTION OF SAID ULTRASONIC PULSES AND FOR DERIVATIVE OF SAID POSITIONAL COORDINATE THEREFROM, SAID APPARATUS INCLUDING A RECEIVER AND A COMPUTER; (D) SAID RECEIVER HAVING IDENTICAL CHANNELS CONNECTED INDIVIDUALLY TO SAID HYDROPHONES, EACH SAID CHANNEL OPERATING TO PROVIDE AN OUTPUT PULSE UPON RECEPTION OF SAID ULTRASONIC PULSE AT THE HYDROPHONE OF THAT CHANNEL;
Claim 2
Independent Claim
157 words
A SYSTEM FOR DETERMINING A POSITIONAL COORDINATE OF A BODY IN A PRESELECTED WATER REGION, SAID SYSTEM COMPRISING: (A) MEANS CARRIED BY SAID BODY FOR EMITTING AN ULTRASONIC ENERGY PULSE; (B) A PAIR OF SPACED HYDROPHONES FIXEDLY POSITIONED IN SAID WATER REGION ALONG A LINE CORRESPONDING TO A CORDINATE AXIS, ONE HYDROPHONE AT A POINT CORRESPONDING TO THE COORDINATE AXIS ORIGIN, THE OTHER HYDROPHONE SPACED THEREFROM AT A PREDETERMINED DISTANCE, FOR RECEPTION OF SAID ULTRASONIC PULSE AT INSTANTS, RELATIVE TO THE PULSE EMISSION INSTANT, DEPENDENT UPON THE POSITIONAL COORDINATE OF SAID BODY RELATIVE TO SAID COORDINATE AXIS AND ORIGIN; (C) AND REMOTELY-LOCATED APPARATUS FOR DETECTION OF SAID ULTRASONIC PULSES AND FOR DERIVATIVE OF SAID POSITIONAL COORDINATE THEREFROM, SAID APPARATUS INCLUDING A RECEIVER AND A COMPUTER; (D) SAID RECEIVER HAVING IDENTICAL CHANNELS CONNECTED INDIVIDUALLY TO SAID HYDROPHONES, EACH SAID CHANNEL OPERATING TO PROVIDE AN OUTPUT PULSE UPON RECEPTION OF SAID ULTRASONIC PULSE AT THE HYDROPHONE OF THAT CHANNEL;
References Cited (Backward Citations)
US1785307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |