Transition status display for video switcher

Details Transition status display for video switcher Transition status display for video switcher

1988-04-08

1989-05-30

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358160, 358183, 358 22, 360 141, H04N 974, H04N 514, H04N 5268, H04N 5272

Patent

active

048356131

ABSTRACT:
A transition status display for a video switcher inserts a single, readable synopsis of a next transition event into a video output signal from the video switcher for display on a monitor. The synopsis is in the form of a window having a line segment representing a time line between a prior transition event and the next transition event, the type of the next transition event being indicated graphically. Various tic marks represent significant events in time from an initial tic mark representing the time of the prior transition through a final tic mark representing completion of the next transition. Appropriate alpha-numeric characters are provided with the line segment to label the significant events, to identify the current and next video sources, and to provide time information, the time information being constantly updated together with an analog marker which moves along the line segment as time progresses toward the next transition.

REFERENCES:
patent: 4667221 (1987-05-01), Cawley et al.
patent: 4694329 (1987-09-01), Belmares-Sarabia et al.
patent: 4694343 (1987-09-01), Flora
patent: 4698664 (1987-10-01), Nichols et al.
patent: 4700230 (1987-10-01), Pshtissky et al.
patent: 4729028 (1988-03-01), Miui et al.

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