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Ultrasonographic device

A diagnostic device, ultrasonic technology, applied in the direction of acoustic wave diagnosis, infrasonic wave diagnosis, ultrasonic/sonic wave/infrasonic wave diagnosis, etc. It can solve the problems that the side lobe of the signal distance cannot be improved, and the synchronous output of the received waveform is difficult, so as to reduce the distance by the side. flap effect

Inactive Publication Date: 2010-03-03
KONICA MINOLTA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the conventional ultrasonic diagnostic apparatus, when the subject is moving like living tissue, the received waveform after the correlation processing based on the previous transmission and the received waveform after the correlation processing based on the current transmission are combined. Synchronous output becomes difficult, and as a result, there is a problem that the distance side lobe of the signal output from the adding device cannot be improved.

Method used

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  • Ultrasonographic device
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Embodiment Construction

[0033] Next, an ultrasonic device according to an embodiment of the present invention will be described with reference to the drawings.

[0034] figure 1 An ultrasonic diagnostic apparatus according to a first embodiment of the present invention is shown.

[0035] exist figure 1 Among them, for the transmitting part 2 driving the probe 1, the output of the code waveform generator 3 is provided according to the output of the complementary code generator 4, and the receiving amplifying part 6 amplifies the received signal received from the probe 1, and the output of the receiving amplifying part 6 is amplified. Input the speed detection device 8, the output of the speed detection device 8 is input to the complementary code generator 4, the correlator 7 performs the correlation operation between the output of the complementary code generator 4 and the output of the receiving amplifier 6, and the memory 9 stores the output of the correlator 7 The addition operation device 13 c...

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Abstract

Disclosed is a technique for providing an ultrasonographic device which can transmit and receive a signal by using a complementary code. According to the technique, an output of a code waveform generation unit (3) is supplied to a transmission unit (2) which drives a probe (1) in accordance with an output of a complementary code generator (4); an output of a reception amplification unit (6) is inputted to velocity detection means (8); and an output of the velocity detection means (8) is inputted to the complementary code generator (4). A correlator (7) performs a correlation calculation between the output of the complementary code generator (4) and the output of the reception amplification unit (6). A memory (9) stores the output of the correlator (7). Addition means (13) adds the outputsof the correlator (7) and the memory (9).

Description

technical field [0001] The present invention relates to an ultrasonic diagnostic apparatus using a complementary coding transmission method. Background technique [0002] Existing ultrasonic diagnostic devices such as Figure 7 As shown, the following structure is formed, that is, the output of the code waveform generation part 103 is provided to the transmission part 102 of the driving probe 101 corresponding to the output of the complementary code generator 110, and the output of the code waveform generation part 103 is stored in the reference waveform storage part 107, The receiving amplifier 106 amplifies the received signal received from the probe 101, the correlator 108 performs a correlation calculation between the output of the reference waveform storage unit 107 and the output of the receiving amplifier 106, and the adding device 109 performs a correlation between the outputs of the correlator 108. The addition operation of , the display 111 shows the output of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/00A61B5/352
CPCA61B8/00A61B8/543A61B5/0456A61B5/352
Inventor 福喜多博福元刚智
Owner KONICA MINOLTA INC