Head unit, ultrasonic probe, electronic instrument, and diagnostic device

Abstract

A head unit for an ultrasonic probe includes a connecting section, an element chip, and a storing section. The connecting section is configured to electrically connect the head unit to a probe main body of the ultrasonic probe. The element chip includes an ultrasonic element array and configured to be electrically connected to a programmable gain amplifier of the probe main body through the connecting section. The storing section is configured to store gain setting information for setting a gain of the programmable gain amplifier. The storing section is configured to output the gain setting information to a processing device of the probe main body through the connecting section, and the processing device is configured to set the gain of the programmable gain amplifier based on the gain setting information.

What is claimed is: 
     
         1 . A head unit for an ultrasonic probe comprising:
 a connecting section configured to electrically connect the head unit to a probe main body of the ultrasonic probe;   an element chip including an ultrasonic element array and configured to be electrically connected to a programmable gain amplifier of the probe main body through the connecting section; and   a storing section configured to store a gain setting information for setting gain of the programmable gain amplifier,   the storing section being configured to output the gain setting information to a processing device of the probe main body through the connecting section, the processing device being configured to set a gain of the programmable gain amplifier based on the gain setting information.   
     
     
         2 . The head unit according to  claim 1 , wherein
 the storing section stores the gain setting information further for setting gain of a low noise amplifier of an analog front-end section of the processing device as an operation setting information of the processing device to be output to the processing device through the connecting section.   
     
     
         3 . The head unit according to  claim 2 , wherein
 the storing section is configured to store frequency characteristic setting information for setting frequency characteristics of a low-pass filter of the analog front-end section as the operation setting information.   
     
     
         4 . The head unit according to  claim 1 , wherein
 the storing section is configured to store an operation setting information of the processing device to be output to the processing device through the connecting section corresponding to a probe target of the ultrasonic probe.   
     
     
         5 . The head unit according to  claim 4 , wherein
 the operation setting information corresponding to the probe target of the ultrasonic probe corresponds to one of ultrasonic diagnosis image processing and blood pressure measurement processing.   
     
     
         6 . The head unit according to  claim 1 , further comprising
 a supporting member supporting the element chip and the storing section.   
     
     
         7 . The head unit according to  claim 6 , wherein
 the connecting section has a plurality of connecting terminals connected to the probe main body,   the storing section and the connecting terminals are disposed on a first surface side of the supporting member, and   the element chip is supported on a second surface side of the supporting member, the second surface being a reverse surface of the first surface of the supporting member.   
     
     
         8 . The head unit according to  claim 7 , wherein
 the connecting section has a connector including the connecting terminals and a flexible printed circuit board including wiring connecting the connector and the element chip, and   the storing section is disposed in the flexible printed circuit board.   
     
     
         9 . An ultrasonic probe comprising:
 the probe main body; and   the head unit according to  claim 1 , the head unit being removably coupled to the probe main body.   
     
     
         10 . The ultrasonic probe according to  claim 9 , wherein
 the probe main body includes
 a processing device having an analog front-end section configured to perform signal processing to a signal received from the ultrasonic element array, 
 a transmitting section configured to output a driving signal to the ultrasonic element array, and 
 a controlling section configured to control the analog front-end section and the transmitting section, the controlling section being configured to set operations of the analog front-end section and the transmitting section based on the operation setting information read out from the storing section of the head unit. 
   
     
     
         11 . The head unit according to  claim 3 , wherein
 the frequency characteristic setting information has a value of cutoff frequency.   
     
     
         12 . An electronic instrument comprising:
 the head unit according to  claim 1 .   
     
     
         13 . A diagnostic device comprising:
 the head unit according to  claim 1 ; and   a display section configured to display image data.   
     
     
         14 . An electronic instrument comprising:
 the head unit according to  claim 1 ; and   the probe main body, the head unit being removably coupled to the probe main body.   
     
     
         15 . A diagnostic device comprising:
 the head unit according to  claim 1 ;   the probe main body; and   a display section configured to display image data,   the head unit being removably coupled to the probe main body.   
     
     
         16 . A probe main body for an ultrasonic probe comprising:
 a connecting section configured to electrically connect the probe main body to a head unit of the ultrasonic probe;   a programmable gain amplifier configured to be electrically connected to an element chip including an ultrasonic element array of the head unit through the connection section; and   a processing device configured to receive a gain setting information from a storing section of the head unit through the connection section, the processing device being configured to setting a gain of the programmable gain amplifier based on the gain set information.