Apparatus for producing an image of an object scanned by ultraso

Details Apparatus for producing an image of an object scanned by ultraso Apparatus for producing an image of an object scanned by ultraso

1979-01-23

1981-08-18

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

73626, H04N 718

Patent

active

042850118

ABSTRACT:
Delay controllers are provided to delay pulses supplied to a plurality of electro-acoustic transducers.
Each controller comprises a delay line provided with a plurality of taps and a switch for selectively changing the taps. There are further provided a measuring circuit for measuring amounts of delay time defined by the respective taps of the delay controllers; a CPU for controlling the operation of the measuring circuit and delay controllers. The CPU causes the measuring circuit to measure the amounts of delay time defined by the respective taps. Where the electro-acoustic transducers are electrically operated in accordance with the result of measurement, data for selecting any of the taps is stored in the RAM after proper compensation.

REFERENCES:
patent: 4080838 (1978-03-01), Kuroda
patent: 4099419 (1978-07-01), Kuroda
patent: 4145680 (1979-03-01), Smith

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