Instant T.V. penalty flag alert system

Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry

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Details

358183, 358185, 273 55R, 340323R, H04N 5222, H04N 708

Patent

active

046479694

ABSTRACT:
An instant television penalty flag alert system is provided which superimposes a video flag upon video images of sports events in progress, such as football or hockey. A plurality of spotters are equipped with transmitter which are activated whenever a predetermined event, such as a penalty call, is observed. A receiver detects the transmitted signal and superimposes the video flag which alerts the viewer that a penalty has been called. Transmitters may be frequency coded to identify the spotter to a control operator, and/or announcer, and/or the viewing audience. Alternatively, various modulation schemes, such as amplitude modulation, frequency modulation or pulse width modulation may be used. The actual position of the play may be transmitted using a transmitter with alpha-numeric input.

REFERENCES:
patent: 3183443 (1965-05-01), Lefevre
patent: 4254404 (1981-03-01), White
patent: 4541013 (1985-09-01), Alpert

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