US3222673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic strip camera using doppler shift for determining relative position of objects
Assignee: Individual
•
Filing: 1963-06-05
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Granted: 1965-12-07
•
Expires: 1983-06-05
Abstract
No abstract record available.
Inventors
- 👤 Victor L Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:15
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
THE METHOD OF DETERMINING THE RELATIVE POSITION OF REFLECTIVE OBJECTS SUBSTANTIALLY FIXED IN A PLANAR PATTERN COMPRISING; RADIATING FROM A POINT SOURCE A THIN, SUBSTANTIALLY FLAT, DIVERGING, FAN-SHAPED BEAM OF CONTINUOUS WAVE ELECTROMAGNETIC ENERGY OF A SINGLE FREQUENCY AT A PREDETERMINED ANGLE TO SAID PATTERN TO ILLUMINATE A THIN STYRIP OF SAID PATTERN; MOVING SAID POINT SOURCE SUBSTANTIALLY PARALLEL TO SAID PATTERN AND IN A LONGITUDINAL AXIS OF SAID NOT NORMAL OR PARALLEL TO THE LONGITUDINAL AXIS OF SAID STRIP SUCH THAT A SUBSTANTIAL NUMBER OF SAID ILLUMINATED OBJECTS EACH HAVE DIFFERENT RADIAL VELOCITIES WITH RESPECT TO SAID POINT SOURCE TO CAUSE A BROAD BAND OF DOPPLER FREQUENCY SHIFTS IN THE REFLECTED ENERGY FROM SAID OBJECTS; RECEIVING SAID REFLECTED ENERGY; SEPARTING SAID REFLECTED ENERGY INTO A PLURALITY OF NARROW FREQUENCY BANDS; AND DISPLAYING SIDE BY SIDE THE AMOUNT OF ENERGY IN EACH SAID NARROW BAND.
Claim 2
Independent Claim
145 words
THE METHOD OF DETERMINING THE RELATIVE POSITION OF REFLECTIVE OBJECTS SUBSTANTIALLY FIXED IN A PLANAR PATTERN COMPRISING; RADIATING FROM A POINT SOURCE A THIN, SUBSTANTIALLY FLAT, DIVERGING, FAN-SHAPED BEAM OF CONTINUOUS WAVE ELECTROMAGNETIC ENERGY OF A SINGLE FREQUENCY AT A PREDETERMINED ANGLE TO SAID PATTERN TO ILLUMINATE A THIN STYRIP OF SAID PATTERN; MOVING SAID POINT SOURCE SUBSTANTIALLY PARALLEL TO SAID PATTERN AND IN A LONGITUDINAL AXIS OF SAID NOT NORMAL OR PARALLEL TO THE LONGITUDINAL AXIS OF SAID STRIP SUCH THAT A SUBSTANTIAL NUMBER OF SAID ILLUMINATED OBJECTS EACH HAVE DIFFERENT RADIAL VELOCITIES WITH RESPECT TO SAID POINT SOURCE TO CAUSE A BROAD BAND OF DOPPLER FREQUENCY SHIFTS IN THE REFLECTED ENERGY FROM SAID OBJECTS; RECEIVING SAID REFLECTED ENERGY; SEPARTING SAID REFLECTED ENERGY INTO A PLURALITY OF NARROW FREQUENCY BANDS; AND DISPLAYING SIDE BY SIDE THE AMOUNT OF ENERGY IN EACH SAID NARROW BAND.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |