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US3248477A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of color television using subtractive filters

Assignee: Rauland Borg Corp
•
Filing: 1962-08-03
•
Granted: 1966-04-26
•
Expires: 1982-08-03
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Abstract

No abstract record available.

Inventors

  • 👤 Sam H Kaplan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 16:55
CPC Classifications
H; H04; H04N; H04N23/00; H04N23/10; H04N23/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 152 words
IN A COLOR TELEVISION SYSTEM, THE METOD OF TRANSLATING AN IMAGE OF AN OBJECT WHICH COMPRISES THE FOLLOWING STEPS: PROJECTING AN OPTICAL IMAGE OF SAID OBJECT THROUGH A UNIPLANAR FILTER SYSTEM CONSISTING OF INTERPERSED CONTIGUOUS MINUS RED, MINUS GREEN AND MINUS BLUE FILTER ELEMENTS TO DEVELOP A MODIFIED IMAGE COMPOSED OF THREE COMPLEMENTARY PRIMARY COLOR COMPONENTS; DEVELOPING AN ELECTROSTATIC CHARGE IMAGE OF SAID MODIFIED IMAGE; SCANNING SAID CHARGE IMAGE TO DEVELOP A FIRST SET OF THREE COLOR SIGNALS INDIVIDUALLY INCLUDING TWO ADDITIVE PRIMARY COLOR COMPONENTS AND COLLECTIVELY REPRESENTING THE LUMINANCE AND CHROMATICITY OF SAID OBJECT IN TERMS OF A FIRST COLOR REFERENCE; DERIVING FROM SAID FIRST SET OF COLOR SIGNALS A SECOND SET OF COLOR SIGNALS COLLECTIVELY REPRESENTING THE LUMINANCE AND THE CHROMATICITY OF SAID OBJECT IN TERMS OF A SECOND COLOR REFERENCE; AND UTILIZING SAID SECOND SET OF COLOR SIGNALS TO RECONSTITUTE AN IMAGE OF SAID OBJECT IN SIMULATED NATURAL COLOR.
Claim 2
Dependent Claim 152 words
IN A COLOR TELEVISION SYSTEM, THE METOD OF TRANSLATING AN IMAGE OF AN OBJECT WHICH COMPRISES THE FOLLOWING STEPS: PROJECTING AN OPTICAL IMAGE OF SAID OBJECT THROUGH A UNIPLANAR FILTER SYSTEM CONSISTING OF INTERPERSED CONTIGUOUS MINUS RED, MINUS GREEN AND MINUS BLUE FILTER ELEMENTS TO DEVELOP A MODIFIED IMAGE COMPOSED OF THREE COMPLEMENTARY PRIMARY COLOR COMPONENTS; DEVELOPING AN ELECTROSTATIC CHARGE IMAGE OF SAID MODIFIED IMAGE; SCANNING SAID CHARGE IMAGE TO DEVELOP A FIRST SET OF THREE COLOR SIGNALS INDIVIDUALLY INCLUDING TWO ADDITIVE PRIMARY COLOR COMPONENTS AND COLLECTIVELY REPRESENTING THE LUMINANCE AND CHROMATICITY OF SAID OBJECT IN TERMS OF A FIRST COLOR REFERENCE; DERIVING FROM SAID FIRST SET OF COLOR SIGNALS A SECOND SET OF COLOR SIGNALS COLLECTIVELY REPRESENTING THE LUMINANCE AND THE CHROMATICITY OF SAID OBJECT IN TERMS OF A SECOND COLOR REFERENCE; AND UTILIZING SAID SECOND SET OF COLOR SIGNALS TO RECONSTITUTE AN IMAGE OF SAID OBJECT IN SIMULATED NATURAL COLOR.

References Cited (Backward Citations)

US2733291A Cited
US2734939A Cited
US2645976A Cited
US2748189A Cited
US2900441A Cited
US3053931A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-04-25 1969-10-25 1970-04-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-04-25 1973-10-25 1974-04-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-04-25 1977-10-25 1978-04-26 $7700.00 Window Closed / Lapsed

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