The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 01, 1987
Filed:
Dec. 03, 1984
William K Hickok, Rochester, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
Method and apparatus for the processing of color video signals in which the two fields of a color video frame are compressed into a single field without appreciable loss of picture resolution and without image disturbance and degradation. The compressed signal may be recorded on a single track of a VCR and played back in a still-frame mode without picture jitter, color loss, or image degradation. According to the invention, first and second color video signals of a predetermined time period (such as a field period) are compressed into a time-division-multiplexed (TDM) signal of a single time period. The luminance components of the first and second signals are summed to produce a sum luminance signal and subtracted to produce a difference luminance signal, the sum signal having a greater bandwidth than the difference signal. A chrominance signal is produced which is a function of the chrominance components of the first and second signals. The luminance signals and chrominance signal are compressed and arranged sequentially to form a TDM signal of a single time period.