Patent US3307192A successfully refreshed from Google Patents.
US3307192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Navigation system
Assignee: Motorola Solutions Inc
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Filing: 1965-03-26
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Granted: 1967-02-28
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Expires: 1985-03-26
Abstract
No abstract record available.
Inventors
- 👤 Stanley W Attwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:29
CPC Classifications
G; G01; G01S; G01S11/00; G01S11/02; G01S11/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
220 words
IN A RADIO SYSTEM INCLUDING A RECEIVER WHICH RECEIVES SIGNALS FROM A TRANSMITTER AND WHEREIN THE TRUE RANGE FROM THE TRANSMITTER TO THE RECEIVER IS KNOWN, A SYSTEM FOR DETERMINING TRANSMITTER POWER FROM THE RECEIVED SIGNAL INCLUDING IN COMBINATION, FIELD STRENGTH MEASURING MEANS COUPLED TO THE RECEIVER AND RESPONSIVE TO THE RECEIVED SIGNAL FOR PRODUCING A FIRST SIGNAL REPRESENTING THE FIELD STRENGTH AT THE RECEIVER AS RELATED TO A STANDARD SIGNAL, RANGE DETERMINING MEANS COUPLED TO THE RECEIVER AND RESPONSIVE TO THE RECEIVED SIGNAL FOR PRODUCING A SECOND SIGNAL WHICH IS A MEASURE OF THE OBSERVED RANGE, RANGE COMPARATOR MEANS RESPONSIVE TO SAID SECOND SIGNAL AND TO THE TRUE RANGE FOR COMPUTING THEREFROM A THIRD SIGNAL WHICH FORMS A MEASURE OF THE ANOMALY RANGE ERROR, CONVERTER MEANS FOR CONVERTING SAID THIRD SIGNAL REPRESENTING RANGE ERROR TO AN ERROR SIGNAL REPRESENTING THE CORRESPONDING ERROR IN THE MEASURED FIELD STRENGTH, ERROR CORRECTOR MEANS RESPONSIVE TO SAID ERROR SIGNAL FOR CORRECTING SAID FIELD STRENGTH SIGNAL TO PROVIDE A FOURTH SIGNAL, COMPUTER MEANS RESPONSIVE TO THE TRUE RANGE FOR PROVIDING A FIFTH SIGNAL REPRESENTING THE RATIO OF TRUE RADIATED TRANSMITTER POWER TO THE FIELD STRENGTH AT THE RECEIVER, AND MEANS FOR COMBINING SAID FOURTH AND FIFTH SIGNALS TO PROVIDE AN OUTPUT SIGNAL WHICH FORMS A MEASURE OF THE TRUE RADIATED POWER AT THE TRANSMITTER.
Claim 2
Dependent Claim
220 words
IN A RADIO SYSTEM INCLUDING A RECEIVER WHICH RECEIVES SIGNALS FROM A TRANSMITTER AND WHEREIN THE TRUE RANGE FROM THE TRANSMITTER TO THE RECEIVER IS KNOWN, A SYSTEM FOR DETERMINING TRANSMITTER POWER FROM THE RECEIVED SIGNAL INCLUDING IN COMBINATION, FIELD STRENGTH MEASURING MEANS COUPLED TO THE RECEIVER AND RESPONSIVE TO THE RECEIVED SIGNAL FOR PRODUCING A FIRST SIGNAL REPRESENTING THE FIELD STRENGTH AT THE RECEIVER AS RELATED TO A STANDARD SIGNAL, RANGE DETERMINING MEANS COUPLED TO THE RECEIVER AND RESPONSIVE TO THE RECEIVED SIGNAL FOR PRODUCING A SECOND SIGNAL WHICH IS A MEASURE OF THE OBSERVED RANGE, RANGE COMPARATOR MEANS RESPONSIVE TO SAID SECOND SIGNAL AND TO THE TRUE RANGE FOR COMPUTING THEREFROM A THIRD SIGNAL WHICH FORMS A MEASURE OF THE ANOMALY RANGE ERROR, CONVERTER MEANS FOR CONVERTING SAID THIRD SIGNAL REPRESENTING RANGE ERROR TO AN ERROR SIGNAL REPRESENTING THE CORRESPONDING ERROR IN THE MEASURED FIELD STRENGTH, ERROR CORRECTOR MEANS RESPONSIVE TO SAID ERROR SIGNAL FOR CORRECTING SAID FIELD STRENGTH SIGNAL TO PROVIDE A FOURTH SIGNAL, COMPUTER MEANS RESPONSIVE TO THE TRUE RANGE FOR PROVIDING A FIFTH SIGNAL REPRESENTING THE RATIO OF TRUE RADIATED TRANSMITTER POWER TO THE FIELD STRENGTH AT THE RECEIVER, AND MEANS FOR COMBINING SAID FOURTH AND FIFTH SIGNALS TO PROVIDE AN OUTPUT SIGNAL WHICH FORMS A MEASURE OF THE TRUE RADIATED POWER AT THE TRANSMITTER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |