← Back to Patent Explorer
US3148367A Expired / Lapsed US ⏱️ 0.0 years remaining

Target identification system by radar

Assignee: TOKYO KELKI SEIZOJO KK
•
Filing: 1959-03-20
•
Granted: 1964-09-08
•
Expires: 1979-03-20
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Ochiai Noriomi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 22:35
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/062; G01S1/00; G01S1/02; G01S7/024; G01S7/026

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 173 words
A RADAR TARGET IDENTIFICATION SYSTEM COMPRISING: MEANS FOR TRANSMITTING A PLURALITY OF DIFFERENTLY POLARIZED WAVES SUCCESSIVELY TOWARDS SAID TARGET, SAID TRANSMITTING MEANS INCLUDING A HORN TYPE ANTENNA FOR RADIATING CIRCULARLY POLARIZED WAVES AND A HIGH-SPEED CONVERTING MECHANISM INCLUDING A ROTARY DISC INCLUDING A DECIRCULARIZER DISPOSED IN FRONT OF SAID HORN TYPE ANTENNA AND MEANS FOR ROTATING SAID ROTARY DISK TO CHANGE THE DEGREE OF DECIRCULARIZATION SO THAT WAVES OF THE SAME POLARIZATION MODE ARE RADIATED IN SPACE DURING A CERTAIN TIME INTERVAL AND CHANGED OVER TO ANOTHER POLARIZATION MODE IN AN ABRUPT MANNER; MEANS FOR RECEIVING ONLY ECHO WAVES OF THE SAME POLARIZATION AS THE TRANSMITTED WAVES; A PLURALITY OF COLOR IMAGE GENERATING MEANS RESPONSIVE TO SAID RECEIVING MEANS, EACH OF SAID COLOR IMAGE GENERATING MEANS PRODUCING A DIFFERENT COMPONENT COLOR IMAGE FOR EACH OF THE DIFFERENTLY POLARIZED RECEIVED WAVES RESPECTIVELY, THE INTENSITY OF A COMPONENT COLOR IMAGE BEING PROPORTIONAL TO THE AMPLITUDE OF THE ASSOCIATED ECHO WAVE; AND MEANS FOR COMPOSING SAID PLURALITY OF DIFFERENT COMPONENT COLOR IMAGES INTO A MULTI-COLORED IMAGE.
Claim 2
Dependent Claim 173 words
A RADAR TARGET IDENTIFICATION SYSTEM COMPRISING: MEANS FOR TRANSMITTING A PLURALITY OF DIFFERENTLY POLARIZED WAVES SUCCESSIVELY TOWARDS SAID TARGET, SAID TRANSMITTING MEANS INCLUDING A HORN TYPE ANTENNA FOR RADIATING CIRCULARLY POLARIZED WAVES AND A HIGH-SPEED CONVERTING MECHANISM INCLUDING A ROTARY DISC INCLUDING A DECIRCULARIZER DISPOSED IN FRONT OF SAID HORN TYPE ANTENNA AND MEANS FOR ROTATING SAID ROTARY DISK TO CHANGE THE DEGREE OF DECIRCULARIZATION SO THAT WAVES OF THE SAME POLARIZATION MODE ARE RADIATED IN SPACE DURING A CERTAIN TIME INTERVAL AND CHANGED OVER TO ANOTHER POLARIZATION MODE IN AN ABRUPT MANNER; MEANS FOR RECEIVING ONLY ECHO WAVES OF THE SAME POLARIZATION AS THE TRANSMITTED WAVES; A PLURALITY OF COLOR IMAGE GENERATING MEANS RESPONSIVE TO SAID RECEIVING MEANS, EACH OF SAID COLOR IMAGE GENERATING MEANS PRODUCING A DIFFERENT COMPONENT COLOR IMAGE FOR EACH OF THE DIFFERENTLY POLARIZED RECEIVED WAVES RESPECTIVELY, THE INTENSITY OF A COMPONENT COLOR IMAGE BEING PROPORTIONAL TO THE AMPLITUDE OF THE ASSOCIATED ECHO WAVE; AND MEANS FOR COMPOSING SAID PLURALITY OF DIFFERENT COMPONENT COLOR IMAGES INTO A MULTI-COLORED IMAGE.

References Cited (Backward Citations)

US2607849A Cited
US2758298A Cited
US2691162A Cited
US2619635A Cited
GB750600A Cited
FR1098087A Cited
US2969537A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-09-08 1968-03-09 1968-09-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-09-08 1972-03-09 1972-09-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-09-08 1976-03-09 1976-09-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag