G - Physics – 01 – N
Patent
G - Physics
01
N
328/174, 349/29,
G01N 29/00 (2006.01) A61B 8/00 (2006.01) G01S 7/52 (2006.01) G11C 27/02 (2006.01) H03K 9/02 (2006.01)
Patent
CA 1036706
ABSTRACT OF THE DISCLOSURE A receiver signal processing system and method are shown which are representative of a plurality of signal channels for processing a plurality of electrical signals produced, for example, by an array of transducer elements. The system includes amplifier means which is supplied with an a-c input signal such as the output from an acoustic transducer element included in an array thereof. The output of the amplifier means is connected to a signal level detector, and the detector output is coupled to signal storage means through receiver signal gating means. The signal storage means simply may comprise a capacitor which functions as an analog peak signal detector and storage means such that the peak signal from the signal level detector is stored therein when a receiver gating pulse is supplied to the receiver gating means to enable the same. At the end of the receiver gating pulse the signal storage means is disconnected from the signal level detector and thereby rendered insensitive to changes in output therefrom. The power supply to all of the receiver signal channel amplifiers is switched off during this time to reduce heat generation and problems associated therewith. The output from the signal storage means subsequently is passed through a readout gating means to a utilization circuit, such as a cathode ray tube.
217332
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