Time gain control signal generator for an ultrasonic diagnostic

Details Time gain control signal generator for an ultrasonic diagnostic Time gain control signal generator for an ultrasonic diagnostic

1983-04-22

1985-04-23

Howell, Kyle L.

Surgery

Truss

Pad

73631, A61B 1000

Patent

active

045123500

ABSTRACT:
A time gain control signal generator for an ultrasonic diagnostic system is provided which produces a TGC signal which is variable over consecutive, equal duration periods during the reception of ultrasonic echo information. A plurality of controls are set to determine the gains desired during each of the periods. A control signal circuit produces a first signal representative of the time during which the ultrasonic echo information is being received. The first signal energizes the controls. The control signal circuit also produces second signals which apply the gain control signals from the controls to the gain control input of a TGC amplifier during the consecutive periods of the time of ultrasonic information reception.

REFERENCES:
patent: 4031743 (1977-06-01), Kossoff et al.
patent: 4140107 (1979-02-01), Lancee et al.
patent: 4205555 (1980-06-01), Hashiguchi

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