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1. 发明授权

US08721550B2 High voltage ultrasound transmitter with symmetrical high and low side drivers comprising stacked transistors and fast discharge 有权
标题翻译：具有对称高低侧驱动器的高压超声波发射器包括堆叠晶体管和快速放电
公开(公告)号：US08721550B2
公开(公告)日：2014-05-13
申请号：US12261269
申请日：2008-10-30
申请人： Ismail H. Oguzman , Arash Loloee , Myron J. Koen
发明人： Ismail H. Oguzman , Arash Loloee , Myron J. Koen
IPC分类号： A61B8/14
CPC分类号： B06B1/0215 , A61B8/4483
摘要： A system and method for providing a high voltage ultrasonic drive signal from an ultrasound transmitter are disclosed herein. An ultrasound transmitter includes a first driver and a bias network. The first driver includes a first plurality of drive transistors that when activated drive an ultrasound transmitter output to a first voltage. The first bias network is coupled to the first plurality of drive transistors, and, at least in part, controls distribution, across the drive transistors, of voltage at the ultrasound transmitter output. Control inputs of the first driver are decoupled from the ultrasound transmitter output.
摘要翻译：本文公开了一种用于从超声波发射器提供高压超声波驱动信号的系统和方法。超声波发射器包括第一驱动器和偏置网络。第一驱动器包括第一多个驱动晶体管，其在被激活时将超声波发射器输出驱动到第一电压。第一偏置网络耦合到第一多个驱动晶体管，并且至少部分地控制跨越驱动晶体管的超声发射器输出端的电压分配。第一个驱动器的控制输入与超声波发射器输出端分离。

2. 发明申请

US20100113936A1 ULTRASOUND TRANSMITTER 有权
标题翻译：超声波发射机
公开(公告)号：US20100113936A1
公开(公告)日：2010-05-06
申请号：US12261269
申请日：2008-10-30
申请人： Ismail H. Oguzman , Arash Loloee , Myron J. Koen
发明人： Ismail H. Oguzman , Arash Loloee , Myron J. Koen
IPC分类号： A61B8/14
CPC分类号： B06B1/0215 , A61B8/4483
摘要： A system and method for providing a high voltage ultrasonic drive signal from an ultrasound transmitter are disclosed herein. An ultrasound transmitter includes a first driver and a bias network. The first driver includes a first plurality of drive transistors that when activated drive an ultrasound transmitter output to a first voltage. The first bias network is coupled to the first plurality of drive transistors, and, at least in part, controls distribution, across the drive transistors, of voltage at the ultrasound transmitter output. Control inputs of the first driver are decoupled from the ultrasound transmitter output.
摘要翻译：本文公开了一种用于从超声波发射器提供高压超声波驱动信号的系统和方法。超声波发射器包括第一驱动器和偏置网络。第一驱动器包括第一多个驱动晶体管，其在被激活时将超声波发射器输出驱动到第一电压。第一偏置网络耦合到第一多个驱动晶体管，并且至少部分地控制跨越驱动晶体管的超声发射器输出端的电压分配。第一个驱动器的控制输入与超声波发射器输出端分离。

3. 发明授权

US09157897B2 High voltage ultrasound transmitter with gate protection diodes and intrinsic output zeroing 有权
标题翻译：具有栅极保护二极管和内部输出调零的高压超声波发射器
公开(公告)号：US09157897B2
公开(公告)日：2015-10-13
申请号：US12582752
申请日：2009-10-21
申请人： Ismail H. Oguzman , Arash Loloee , Suribhotla Rajasekhar , Karthik Vasanth
发明人： Ismail H. Oguzman , Arash Loloee , Suribhotla Rajasekhar , Karthik Vasanth
IPC分类号： A61B8/00 , G01N29/32 , B06B1/02 , G01N29/06 , G01N29/34
CPC分类号： G01N29/32 , A61B8/4483 , B06B1/023 , G01N29/06 , G01N29/34
摘要： An ultrasound transmitter including intrinsic output zeroing is disclosed herein. A transmitter for generating ultrasound signals includes a first transmitter output driver and a first transmitter input driver. The first transmitter output driver includes an N-type device serially coupled to a P-type device. The first transmitter input driver includes an N-type device serially coupled to a P-type device. An output of the first transmitter input driver is coupled to an input of the first transmitter output driver. The first transmitter output driver drives an output of the transmitter to a first voltage and the first transmitter input driver drives the output of the transmitter to a second voltage while the first transmitter output driver is disabled.
摘要翻译：本文公开了包括固有输出调零的超声波发射器。用于产生超声信号的发射器包括第一发射器输出驱动器和第一发射器输入驱动器。第一发射机输出驱动器包括串联耦合到P型装置的N型装置。第一发射机输入驱动器包括串联耦合到P型装置的N型装置。第一发射机输入驱动器的输出耦合到第一发射机输出驱动器的输入端。第一发射机输出驱动器将发射机的输出驱动到第一电压，而第一发射机输入驱动器被禁用时，第一发射机输入驱动器将发射机的输出驱动到第二电压。

4. 发明授权

US06529237B1 Complete CDS/PGA sample and hold amplifier 有权
标题翻译：完整的CDS / PGA采样和保持放大器
公开(公告)号：US06529237B1
公开(公告)日：2003-03-04
申请号：US09189237
申请日：1998-11-10
申请人： Ching-yuh Tsay , Arash Loloee , Eric G. Soenen
发明人： Ching-yuh Tsay , Arash Loloee , Eric G. Soenen
IPC分类号： H04N5217
CPC分类号： H04N5/3575 , H04N5/361
摘要： A correlated double sampled/programmable gain amplifier (CDS/PGA) is disclosed which is operable to precondition a CCD output analog signal. The CDS/PGA includes an operational amplifier that is configured in a sample hold operation. The single-ended input is first clamped by a switch (34) to clamp the DC level therein for a given pixel. A switch (38) then samples the reset level onto a sampling capacitor (46), and a switch (42) thereafter samples the video signal onto one plate of a capacitor (50). The lower plates of the capacitors (46) and (50) are then equalized and the other plates thereof connected to the positive and negative inputs of the operational amplifier (68). An offset is provided by a programmable DAC (26) to account for the dark current offset. The output scale is adjusted or mapped by limiting the output between a negative and a positive reference input. The sampling capacitors (46) and (50) can be varied to vary the gain of the amplifier.
摘要翻译：公开了一种相关的双采样/可编程增益放大器（CDS / PGA），其可用于预处理CCD输出模拟信号。 CDS / PGA包括配置在采样保持操作中的运算放大器。单端输入首先由开关（34）钳位，以钳位给定像素的直流电平。开关（38）然后将复位电平采样到采样电容器（46）上，然后开关（42）将视频信号采样到电容器（50）的一个板上。然后使电容器（46）和（50）的下板均化，其他板连接到运算放大器（68）的正和负输入。偏移由可编程DAC（26）提供，以解决暗电流偏移。通过限制负参考输入和正参考输入之间的输出来调整或映射输出刻度。采样电容器（46）和（50）可以改变以改变放大器的增益。

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