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公开(公告)号：JP2002353817A
公开(公告)日：2002-12-06
申请号：JP2002070247
申请日：2002-03-14
Applicant: ROSEMOUNT INC
Inventor： WANG FENG , GABOURY MICHAEL J
Abstract: PROBLEM TO BE SOLVED: To provide a delta-sigma converter with high accuracy and high resolution. SOLUTION: A mapping circuit is coupled to the integrator circuit of the delta-sigma converter to map the analog input range of the integrator to the analog output range of the sensor. The integrator circuit provides an integrator output to a controller to generate a digital output, which is in a digital output range representing the analog input range. A sensor input circuit includes a sensor having an analog sensor output range. The mapping circuit is coupled to the integrator circuit and is responsive to control signals from the controller to map the analog input range of the integrator to the analog output range of the sensor.
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公开(公告)号：DE10211374B4
公开(公告)日：2015-02-12
申请号：DE10211374
申请日：2002-03-14
Applicant: ROSEMOUNT INC
Inventor： WANG FENG , GABOURY MICHAEL J
Abstract: Delta-Sigma-Wandler, der ein Digitalsignal bereitstellt, das eine Prozeßvariable repräsentiert, welcher aufweist: eine Integratorschaltung mit einem analogen Eingangsbereich, die eine Integratorausgabe bereitstellt, eine Steuereinrichtung, die auf eine Ausgabe von der Integratorschaltung anspricht, um innerhalb eines digitalen Ausgangsbereichs eine digitale Ausgabe zu erzeugen, wobei der digitale Ausgangsbereich den analogen Eingangsbereich repräsentiert, wobei die Steuereinrichtung Steuersignale bereitstellt, wobei die Integratorschaltung auf die Steuersignale anspricht, um der Steuereinrichtung die integrierte Ausgabe zuzuführen, eine Sensor-Eingangsschaltung mit Sensorkondensatoren, die mit der Integratorschaltung gekoppelt ist und einen Sensor mit einem analogen Sensorbereich aufweist, wobei die Sensor-Eingangsschaltung auf die Steuersignale anspricht, um der Integratorschaltung ein abgeglichenes analoges Sensorsignal innerhalb des analogen Sensorbereichs zuzuführen, wobei das abgeglichene analoge Sensorsignal die Prozeßvariable repräsentiert, und eine Abbildungsschaltung mit Abbildungskondensatoren, die mit der Integratorschaltung gekoppelt ist und auf die Steuersignale anspricht, um den analogen Eingangsbereich auf den analogen Sensorbereich abzubilden, wobei die Abbildungskondensatoren entgegengesetzt zu den jeweiligen Sensorkondensatoren geladen sind, um dadurch die Ladung an den Sensorkondensatoren zu vermindern, und wobei die Abbildungsschaltung den Ladungsfluss von der Sensor-Eingangsschaltung zur Integratorschaltung so anpasst, dass der analoge Eingangsbereich der Integratorschaltung entsprechend dem analogen Sensorbereich skaliert wird.
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公开(公告)号：DE10211374A1
公开(公告)日：2002-09-26
申请号：DE10211374
申请日：2002-03-14
Applicant: ROSEMOUNT INC
Inventor： WANG FENG , GABOURY MICHAEL J
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公开(公告)号：AT260009T
公开(公告)日：2004-03-15
申请号：AT98953198
申请日：1998-09-28
Applicant: ROSEMOUNT INC
Inventor： GABOURY MICHAEL J , FENG XIAOXIN
IPC: H04L27/156
Abstract: A method of and apparatus for decoding an encoded signal are disclosed. A first bit of the encoded signal is received and integrated with a super linear integrator to provide a first integration signal. A first reference signal is provided as a function of a previous integration signal associated with a previous bit of the encoded signal by multiplying the previous integration signal by an amount greater than one if the previous bit has a first value, and by multiplying the previous integration signal by an amount less than one if the previous bit has a second value. The first integration signal is compared to the first reference signal and a first bit of an output signal is provided based upon the comparison. The first bit of the output signal is indicative of information encoded in the first bit of the encoded signal.
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公开(公告)号：BR9812614A
公开(公告)日：2000-08-01
申请号：BR9812614
申请日：1998-09-28
Applicant: ROSEMOUNT INC
Inventor： GABOURY MICHAEL J , FENG XIAOXIN
IPC: H04L27/156
Abstract: A method of and apparatus for decoding an encoded signal are disclosed. A first bit of the encoded signal is received and integrated with a super linear integrator to provide a first integration signal. A first reference signal is provided as a function of a previous integration signal associated with a previous bit of the encoded signal by multiplying the previous integration signal by an amount greater than one if the previous bit has a first value, and by multiplying the previous integration signal by an amount less than one if the previous bit has a second value. The first integration signal is compared to the first reference signal and a first bit of an output signal is provided based upon the comparison. The first bit of the output signal is indicative of information encoded in the first bit of the encoded signal.
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Patent Agency Ranking
公开(公告)号：WO0214964B1
公开(公告)日：2003-02-20
申请号：PCT/US0121877
申请日：2001-07-12
Applicant: ROSEMOUNT INC
Inventor： ROPER WESTON R , TYSON DAVID G , WESTFIELD BRIAN L , GABOURY MICHAEL J
IPC: G08C19/02 , G05B19/042 , G05B19/414 , H04Q9/00
CPC classification number: G05B19/4142 , G05B19/0423 , G05B2219/31121 , G05B2219/31126 , G05B2219/33197 , G05B2219/34309
Abstract: A two-wire industrial process control transmitter includes a sensor (14), at least two integrated circuits (70, 72), and a level shift circuit (48). The first integrated circuit (70) contains the analog measurement circuit that includes a sensor detection circuit (16) and the analog portion (44) of a digital-to-analog convertor. The second integrated circuit (72) contains the digital system circuit that includes a modem (78) and the digital portion (46) of the analog-to-digital convertor. The first and second Ics may be powered at different voltage levels (Vdda, Vddd) to maximize the power of the analog circuit and improve resolution. Alternatively, the Ics may be powered at the same voltage level (Vddd), but the digital circuits are divided among several stacked dies (120, 122) to minimize the voltage for each digital circuit. In either case, the level shifting circuit (48) shifts the voltage level between the analog and digital circuits.
Abstract translation: 一个双线工业过程控制发射机包括传感器（14），至少两个集成电路（70,72）和电平移位电路（48）。 第一集成电路（70）包含模拟测量电路，其包括传感器检测电路（16）和数模转换器的模拟部分（44）。 第二集成电路（72）包含数字系统电路，其包括调制解调器（78）和模拟 - 数字转换器的数字部分（46）。 第一和第二IC可以以不同的电压电平（Vdda，Vddd）供电，以最大化模拟电路的功率并提高分辨率。 或者，Ics可以以相同的电压电平（Vddd）供电，但是数字电路被划分成几个堆叠的管芯（120,122），以使每个数字电路的电压最小化。 在任一情况下，电平移位电路（48）使模拟和数字电路之间的电压电平移位。
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公开(公告)号：DE60143358D1
公开(公告)日：2010-12-09
申请号：DE60143358
申请日：2001-07-12
Applicant: ROSEMOUNT INC
Inventor： ROPER WESTON R , TYSON DAVID G , WESTFIELD BRIAN L , GABOURY MICHAEL J
IPC: G05B19/042 , G08C19/02 , G05B19/414 , H04Q9/00
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公开(公告)号：AU7336701A
公开(公告)日：2002-02-25
申请号：AU7336701
申请日：2001-07-12
Applicant: ROSEMOUNT INC
Inventor： ROPER WESTON R , TYSON DAVID G , WESTFIELD BRIAN L , GABOURY MICHAEL J
IPC: G08C19/02 , G05B19/042 , G05B19/414 , H04Q9/00
Abstract: A two-wire industrial process control transmitter includes a sensor, at least two integrated circuits, and a level shift circuit. The first integrated circuit contains the analog measurement circuit that includes a sensor detection circuit and the analog portion of a digital-to-analog convertor. The second integrated circuit contains the digital system circuit that includes a modem and the digital portion of the analog-to-digital convertor. The first and second ICs may be powered at different voltage levels to maximize the power of the analog circuit and improve resolution. Alternatively, the ICs may be powered at the same voltage level, but the digital circuits are divided among several stacked dies to minimize the voltage for each digital circuit. In either case, the level shifting circuit shifts the voltage level between the analog and digital circuits.
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公开(公告)号：CA2305425A1
公开(公告)日：1999-04-08
申请号：CA2305425
申请日：1998-09-28
Applicant: ROSEMOUNT INC
Inventor： FENG XIAOXIN , GABOURY MICHAEL J
IPC: H04L27/156
Abstract: A method of and apparatus for decoding an encoded signal are disclosed. A first bit of the encoded signal is received and integrated with a super linear integrator (502) to provide a first integration signal (120, 122). A first reference signal (130) is provided as a function of a previous integration signal (126) associated with a previous bit of the encoded signal by multiplying the previous integration signal by an amount greater than one if the previous bit has a first value, and by multiplying the previous integration signal by an amount less than one if the previous bit has a second value. The first integration signal (120) is compared to the first reference signal (130) and a first bit of an output signal (142) is provided based upon the comparison. The first bit of the output signal is indicative of information encoded in the first bit of the encoded signal.
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公开(公告)号：WO0214964A3
公开(公告)日：2002-08-29
申请号：PCT/US0121877
申请日：2001-07-12
Applicant: ROSEMOUNT INC
Inventor： ROPER WESTON R , TYSON DAVID G , WESTFIELD BRIAN L , GABOURY MICHAEL J
IPC: G08C19/02 , G05B19/042 , G05B19/414 , H04Q9/00
CPC classification number: G05B19/4142 , G05B19/0423 , G05B2219/31121 , G05B2219/31126 , G05B2219/33197 , G05B2219/34309
Abstract: A two-wire industrial process control transmitter includes a sensor (14), at least two integrated circuits (70, 72), and a level shift circuit (48). The first integrated circuit (70) contains the analog measurement circuit that includes a sensor detection circuit (16) and the analog portion (44) of a digital-to-analog convertor. The second integrated circuit (72) contains the digital system circuit that includes a modem (78) and the digital portion (46) of the analog-to-digital convertor. The first and second Ics may be powered at different voltage levels (Vdda, Vddd) to maximize the power of the analog circuit and improve resolution. Alternatively, the Ics may be powered at the same voltage level (Vddd), but the digital circuits are divided among several stacked dies (120, 122) to minimize the voltage for each digital circuit. In either case, the level shifting circuit (48) shifts the voltage level between the analog and digital circuits.
Abstract translation: 一个双线工业过程控制发射机包括传感器（14），至少两个集成电路（70,72）和电平移位电路（48）。 第一集成电路（70）包含模拟测量电路，其包括传感器检测电路（16）和数模转换器的模拟部分（44）。 第二集成电路（72）包含数字系统电路，其包括调制解调器（78）和模拟 - 数字转换器的数字部分（46）。 第一和第二IC可以以不同的电压电平（Vdda，Vddd）供电，以最大化模拟电路的功率并提高分辨率。 或者，Ics可以以相同的电压电平（Vddd）供电，但是数字电路被划分成几个堆叠的管芯（120,122），以使每个数字电路的电压最小化。 在任一情况下，电平移位电路（48）使模拟和数字电路之间的电压电平移位。
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