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Acoustic search device

  • US 5,293,351 A
  • Filed: 10/05/1992
  • Issued: 03/08/1994
  • Est. Priority Date: 04/05/1990
  • Status: Expired due to Fees
First Claim
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1. An acoustic search device including:

  • (a) a protective cap insertable over the head of a wearer;

    (b) a face part constituting an integral part of said protective cap; and

    (c) searching means located within said face part and including an optical viewing device, at least one first display and at least one ultrasonic transducer, all positioned in succession in the direction of sight at the eye level of the wearer, an electronic control unit, and a source of electric power for said electronic control unit;

    (d) said ultrasonic transducer including a plurality of elements controlled by said electronic control unit for transmitting acoustic signals toward a viewed search area and for receiving echo signals therefrom;

    (e) said display being controlled by said electronic control unit fir displaying an image of the viewed search area based on the echo signals reflected from the viewed search area; and

    (f) said optical viewing device being adapted to allow viewing of said display image by said wearer.

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