US3360987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical radar system
Assignee: General Precision Inc
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Filing: 1964-07-03
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Granted: 1968-01-02
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Expires: 1984-07-03
Abstract
No abstract record available.
Inventors
- 👤 Robert A Flower
- 👤 Stavis Gus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:45
CPC Classifications
G; G01; G01S; G01S17/00; G01S17/02; G01S17/50; G01S7/00; G01S7/48; G01S7/491; G01S7/4912; G01S7/4917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
AN OPTICAL SYSTEM FOR DETERMINING THE FREQUENCY OF VIBRATION OF A REMOTE BODY INCLUDING: MEANS FOR GENERATING AND TRANSMITTING THE REMOTE BODY, HERENT LIGHT ENERGY BEAM TOWARD THE REMOTE BODY, MEANS FOR RECEIVING REFLECTED LIGHT ENERGIES FROM SUCH REMOTE BODY, SAID REFLECTED LIGHT ENERGIES SHIFTED IN FREQUENCY FROM THE CARRIER FREQUENCY THEREOF IN ACCORDANCE WITH THE FREQUENCY OF VIBRATIONS OF SUCH BODY, AND FOR PROVIDING A SIGNAL WHICH IS A FUNCTION OF SAID FREQUENCY SHIFT, MEANS FOR ISOLATING SAID SIGNAL, MEANS FOR GENERATING A SUBSTANTIALLY CONSTANT INTERMEDIATE FREQUENCY SIGNAL, THE FREQUENCY OF WHICH EXCEEDS THE FREQUENCY OF THE LARGEST FREQUENCY SHIFT OF THE REFLECTED LIGHT ENERGIES, MEANS FOR MIXING SAID ISOLATED SIGNAL AND THE CONSTANT INTERMEDIATE FREQUENCY SIGNAL FOR PROVIDING A COMPLEX SIGNAL HAVING INTERMEDIATE FREQUENCY CHARACTER-
Claim 2
Dependent Claim
127 words
AN OPTICAL SYSTEM FOR DETERMINING THE FREQUENCY OF VIBRATION OF A REMOTE BODY INCLUDING: MEANS FOR GENERATING AND TRANSMITTING THE REMOTE BODY, HERENT LIGHT ENERGY BEAM TOWARD THE REMOTE BODY, MEANS FOR RECEIVING REFLECTED LIGHT ENERGIES FROM SUCH REMOTE BODY, SAID REFLECTED LIGHT ENERGIES SHIFTED IN FREQUENCY FROM THE CARRIER FREQUENCY THEREOF IN ACCORDANCE WITH THE FREQUENCY OF VIBRATIONS OF SUCH BODY, AND FOR PROVIDING A SIGNAL WHICH IS A FUNCTION OF SAID FREQUENCY SHIFT, MEANS FOR ISOLATING SAID SIGNAL, MEANS FOR GENERATING A SUBSTANTIALLY CONSTANT INTERMEDIATE FREQUENCY SIGNAL, THE FREQUENCY OF WHICH EXCEEDS THE FREQUENCY OF THE LARGEST FREQUENCY SHIFT OF THE REFLECTED LIGHT ENERGIES, MEANS FOR MIXING SAID ISOLATED SIGNAL AND THE CONSTANT INTERMEDIATE FREQUENCY SIGNAL FOR PROVIDING A COMPLEX SIGNAL HAVING INTERMEDIATE FREQUENCY CHARACTER-
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) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |