Ultrasound camera
First Claim
1. An ultrasonic apparatus, comprising:
- (a) focusing means for focusing ultrasound waves;
(b) an diverging acoustic mirror positioned behind said focusing means and containing a reflecting surface; and
(c) an ultrasound detector containing a plurality of elongated detector elements;
wherein said reflecting surface of said diverging acoustic mirror reflects converging ultrasound waves from said focusing means such that the beams arriving so as to focus on a single point are diverged such as to focus along a focal line and wherein said ultrasound detector is positioned at said focal line for receiving said diverged ultrasound waves from said diverging acoustic mirror.
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Abstract
The ultrasonic apparatus contains an imaging lens for focusing ultrasound waves, a diverging device for receiving converging ultrasound waves from the lens and for transmitting ultrasound waves such that beams coming from a single object point are focused along a focal line, and an ultrasound detector positioned at the focal line indicating the ultrasound waves. The detector contains a large number of elongated detector elements. In particular, the diverging device comprises an acoustic mirror containing a reflecting surface which has a diverging effect on impinging beams of ultrasound waves. Preferably, the mirror may have a reflecting surface which is formed by a large number of parallel parabolic lines.
157 Citations
10 Claims
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1. An ultrasonic apparatus, comprising:
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(a) focusing means for focusing ultrasound waves; (b) an diverging acoustic mirror positioned behind said focusing means and containing a reflecting surface; and (c) an ultrasound detector containing a plurality of elongated detector elements; wherein said reflecting surface of said diverging acoustic mirror reflects converging ultrasound waves from said focusing means such that the beams arriving so as to focus on a single point are diverged such as to focus along a focal line and wherein said ultrasound detector is positioned at said focal line for receiving said diverged ultrasound waves from said diverging acoustic mirror. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An ultrasonic apparatus, comprising:
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(a) focusing means for focusing ultrasound waves; (b) an diverging acoustic mirror positioned behind said focusing means and containing a reflecting surface; and (c) an ultrasound detector containing a plurality of elongated detector elements; wherein said reflecting surface of said diverging acoustic mirror reflects converging ultrasound waves from said focusing means such that the beams arriving so as to focus on a single point are diverged such as to focus along a focal line and wherein said ultrasound detector is positioned at said focal line for receiving said diverged ultrasound waves from said diverging acoustic mirror; and
wherein said acoustic mirror has a reflecting surface which is formed by a parabolic cylinder. - View Dependent Claims (9, 10)
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Specification