Patent US3246322A successfully refreshed from Google Patents.
US3246322A
Expired / Lapsed
US
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Distance measuring equipment
Assignee: Avco Corp
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Filing: 1964-10-23
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Granted: 1966-04-12
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Expires: 1984-10-23
Abstract
No abstract record available.
Inventors
- 👤 John A Kuecken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:44
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/10; G01S13/12; G01S13/32; G01S13/34; G01S13/341; G01S13/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN A SYSTEM WHEREIN EACH OF ANY NUMBER OF PASSIVE TARGETS MAY INDEPENDENTLY DETERMINE ITS OWN RANGE FROM A SINGLE ACTIVE STATION, THE COMBINATION COMPRISING: A TRANSMITTER AND A RECEIVER AT SAID STATION; SAID TRANSMITTER AT SAID STATION INCLUDING A SOURCE OF ELECTROMAGNETIC ENERGY MODULATED AT A GIVEN RATE, AND A DIRECTIVE ANTENNA FOR RADIATING SAID MODULATED ELECTROMAGNETIC ENERGY INTO SPACE, SAID DIRECTIVE ANTENNA BEING CONTINUOUSLY SCANNED THROUGH A GIVEN SECTOR; SAID RECEIVER AT SAID STATION INCLUDING MEANS IN RESPONSE TO RECEPTION OF REFLECTED ELECTROMAGNETIC ENERGY FOR VARYING THE MODULATION RATE OF SAID SOURCE, THE VARIATION IN SAID RATE BEING A FUNCTION OF THE
Claim 2
Dependent Claim
104 words
IN A SYSTEM WHEREIN EACH OF ANY NUMBER OF PASSIVE TARGETS MAY INDEPENDENTLY DETERMINE ITS OWN RANGE FROM A SINGLE ACTIVE STATION, THE COMBINATION COMPRISING: A TRANSMITTER AND A RECEIVER AT SAID STATION; SAID TRANSMITTER AT SAID STATION INCLUDING A SOURCE OF ELECTROMAGNETIC ENERGY MODULATED AT A GIVEN RATE, AND A DIRECTIVE ANTENNA FOR RADIATING SAID MODULATED ELECTROMAGNETIC ENERGY INTO SPACE, SAID DIRECTIVE ANTENNA BEING CONTINUOUSLY SCANNED THROUGH A GIVEN SECTOR; SAID RECEIVER AT SAID STATION INCLUDING MEANS IN RESPONSE TO RECEPTION OF REFLECTED ELECTROMAGNETIC ENERGY FOR VARYING THE MODULATION RATE OF SAID SOURCE, THE VARIATION IN SAID RATE BEING A FUNCTION OF THE
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |