METHOD FOR FORMING ACOUSTIC IMAGE Russian patent published in 1998 - IPC

Abstract RU 2119785 C1

FIELD: medicine. SUBSTANCE: method involves forming graphic image in frontal plane by means of four acoustic converters coupled in pairs to which broad-band signal is sent. Its main harmonic fo belongs to frequency bandwidth 200-500 Hz. Acoustic signal amplitude and frequency are controlled as linear function of cursor distance from graphic image plane center. Deviation Δf of fo frequency is carried out in vertical direction depending on cursor distance from horizontal axis of frontal plane. The acoustic image is represented in real time scale by means of software simulation. EFFECT: enhanced effectiveness in transforming visual information into acoustic images. 5 cl, 3 dwg

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RU 2 119 785 C1

Authors

Agranovskij A.V.

Evreinov G.E.

Dates

1998-10-10Published

1996-03-19Filed