Television receiver with display of audio signals

Details Television receiver with display of audio signals Television receiver with display of audio signals

1977-11-07

1979-04-10

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 962

Patent

active

041491890

ABSTRACT:
In a television receiver for selectively displaying a received television picture and an audio signal waveform on the screen of a cathode ray tube, an audio signal to be displayed is applied to a pulse generation circuit where it is converted to a waveform display pulse signal having the phase position corresponding to the audio signal and this waveform display signal is applied to a video amplifier every other field during the display of the audio signal waveform, whereby a viewer can clearly see the audio signal waveform on the screen of the cathode ray tube.

REFERENCES:
patent: 3337684 (1967-08-01), Sadler
"Use Your TV Set As An Oscilloscope", Southworth, Radio & TV News-pp. 66, 67, 158, Apr. 1958.

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