Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1992-01-21
1993-06-01
Kostak, Victor R.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358139, H04N 1700
Patent
active
052164926
ABSTRACT:
For monitoring, metering and dynamically displaying key static and dynamic parameters of composite video signals and visually indicating compliance status relative to important system specifications, this electronic meter is particularly useful in connection with video cameras. In studio environments, the compliance indications supplement existing capabilities, and in remote locations where large, complex and costly CRT type waveform monitors are not feasible, the compactness of this video meter provides an unusual degree of picture quality assurance. A bar/graph type LED display provides two independent scale regions: a sync region dynamically displaying sync amplitude, and a picture region dynamically displaying average picture levels in a bar mode and peak levels in a dot mode. The response times of the sync, average and peak level are selectable. Peak indications are lengthened to a display time which is optimal for human response to short term events. A monochrome video meter embodiment displays average luminance levels in a bar mode and peak luminance levels in a dot mode. Presence/absence of sync is indicated by a bi-color LED. Additional parameter status may be indicated by a panel-mounted bi-color LED which provides four indication modes. For color video, a chrominance embodiment, used along with the monochrome embodiment and similarly packaged, displays color burst amplitude and average chrominance in a bar mode, peak chrominance in a dot mode, and optionally monitors color burst phase relative to horizontal sync.
REFERENCES:
patent: 4101928 (1978-07-01), Sato et al.
patent: 4758877 (1988-07-01), Slavin
patent: 4823184 (1989-04-01), Belmares-Sarabia et al.
patent: 4951134 (1990-08-01), Nakasima et al.
patent: 4953017 (1990-08-01), Ivey
Dorrough Michael L.
France, Jr. H. Maurice
Gold Kenneth S.
Dorrough Electronics
Kostak Victor R.
McTaggart J. E.
LandOfFree
Dynamic video luminance and chrominance meter does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dynamic video luminance and chrominance meter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dynamic video luminance and chrominance meter will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1818659