Abstract: A method for stack timing adjustment for serial communications is provided. The method includes receiving a USB communication, decoding the USB communication into UART frames, and adjusting the timing of the UART frames according to a serial protocol.

Abstract: A vibratory flowmeter (5) for determining an average flow rate of a pulsating flow is provided. The vibratory flowmeter (5) includes a flowmeter assembly (10) including at least two pickoff sensors (170L, 170R) and configured to generate at least two vibrational signals and meter electronics (20) configured to receive the at least two vibrational signals and generate a flow rate measurement signal, divide the flow rate measurement signal into a series of time periods, with each time period including a single flow peak that is substantially centered in the time period, totalize flow rate measurements of each time period to generate a period sum, and divide the period sum by a time period length to generate a period average flow rate, wherein the meter electronics (20) outputs a sequence of period average flow rates as an average flow rate signal.

Abstract: A method for validating a sensor assembly of a meter is provided. The method comprises a step of receiving one or more sensor calibration values. The method further comprises a step of comparing the received sensor calibration values to one or more known sensor calibration values. The method can then validate the sensor assembly if the one or more received sensor calibration values are within a predetermined tolerance of the one or more known sensor calibration values.

Abstract: A method of controlling a mode of a device is provided. The method includes determining a Vbus voltage on a Vbus pin in a USB connector on the device, comparing the Vbus voltage with a threshold, and configuring the device based on the comparison of the Vbus voltage and the threshold.

Abstract: A method and device for performing failsafe computation, and a method of compiling code to perform a failsafe computation are provided. The method includes performing a first calculation (212) to generate a first result (214). A second calculation (218) is performed using a scalar (216) and the first calculation (212) to generate a second result (220). The second calculation (218) includes multiplying the first calculation (212) by the scalar (216) to generate a scaled result, and dividing the scaled result by the scalar (216) to generate the second result (220). The first result (214) and the second result (220) are compared to determine if they are equivalent.

Abstract: A method for reducing an error rate is provided. The method includes obtaining a first analog signal representing a first kinematic property of a first position with a sensor, obtaining a second analog signal representing a second kinematic property of the first position, digitizing the first analog signal into a first digital signal, and digitizing the second analog signal into a second digital signal. The method also includes combining the first digital signal and the second digital signal into a combined signal such that an error rate of the combined signal is less than an error rate of one of the first digital signal and the second digital signal.

Abstract: A device and method to generate digital serial frequency outputs in a Coriolis flow meter is provided. The present invention provides the theoretically lowest jitter for a given input clock, the highest possible pulse count accuracy, the highest possible absolute accuracy, easily implementable other aspects (including Quadrature, pulse width, etc.) and requires no specialized external hardware, and is, therefore, implemented with commonly available serial output hardware found in most microcontrollers.

Abstract: A method for optimizing processor operation in a processing system including one or more digital filters is provided according to the invention. The method includes generating initial filter coefficients for the one or more digital filters of the processing system, determining one or more initial filter coefficients for at least one digital filter of the one or more digital filters that can be dropped and dropping the one or more initial filter coefficients. Dropping the one or more initial filter coefficients reduces a total number of filter coefficients to be used by the processing system.

Abstract: A transmitter (102) is provided. The transmitter (102) comprises a first communication interface (112) for receiving data. The transmitter (102) also comprises a timer (104) for measuring a relative-time and a processing system (110) for providing the data with a relative-time timestamp. A second communication interface (105) is provided for outputting the relative-time timestamped data.

Abstract: A method for reducing an error rate is provided. The method includes obtaining a first analog signal representing a first kinematic property of a first position with a sensor, obtaining a second analog signal representing a second kinematic property of the first position, digitizing the first analog signal into a first digital signal, and digitizing the second analog signal into a second digital signal. The method also includes combining the first digital signal and the second digital signal into a combined signal such that an error rate of the combined signal is less than an error rate of one of the first digital signal and the second digital signal.

Abstract: A method for stack timing adjustment for serial communications is provided. The method includes receiving a USB communication, decoding the USB communication into UART frames, and adjusting the timing of the UART frames according to a serial protocol.

Abstract: A method of controlling a mode of a device is provided. The method includes determining a Vbus voltage on a Vbus pin in a USB connector on the device, comparing the Vbus voltage with a threshold, and configuring the device based on the comparison of the Vbus voltage and the threshold.

Abstract: A device and method to generate digital serial frequency outputs in a Coriolis flow meter is provided. The present invention provides the theoretically lowest jitter for a given input clock, the highest possible pulse count accuracy, the highest possible absolute accuracy, easily implementable other aspects (including Quadrature, pulse width, etc.) and requires no specialized external hardware, and is, therefore, implemented with commonly available serial output hardware found in most microcontrollers.

Abstract: A method and device for performing failsafe computation, and a method of compiling code to perform a failsafe computation are provided. The method includes performing a first calculation (212) to generate a first result (214). A second calculation (218) is performed using a scalar (216) and the first calculation (212) to generate a second result (220). The second calculation (218) includes multiplying the first calculation (212) by the scalar (216) to generate a scaled result, and dividing the scaled result by the scalar (216) to generate the second result (220). The first result (214) and the second result (220) are compared to determine if they are equivalent.

Abstract: A multiple temperature sensor system (120) includes a temperature sensor network (180) including temperature-sensing resistors RT1 and RT2 (186, 187) and frequency-selective filters (184, 185) coupled to the plurality of temperature-sensing resistors RT1 and RT2 (186, 187). The frequency-selective filters (184, 185) pass distinct time-varying signals into the temperature sensor network (180) and pass attenuated distinct time-varying signals out. The system (120) further includes a temperature measurement N controller (161) coupled to the temperature sensor network (180) and configured to inject the distinct time-varying signals into the temperature sensor network (180), receive the attenuated distinct time-varying signals in response to the injection, with the attenuated distinct time-varying signals being attenuated by the temperature sensing resistors (186, 187), and generate two or more substantially simultaneous temperature values from the attenuated distinct time-varying signals.

Abstract: A vibratory flow meter (5, 300) is provided. The vibratory flow meter (5, 300) includes a flow meter assembly (10, 310) including at least two vibration sensors (170L and 170R, 303 and 305) that generate at least two vibrational signals and meter electronics (20, 320) that receives the at least two vibrational signals, generate a new time difference (?t) using multiple time difference measurements obtained for a flow material, and determine if the new time difference (?t) is within predetermined bounds of an old time difference (?t0).

Abstract: A fluid flow system (300) is provided. The fluid flow system (300) includes a pipeline (302) with a flowing fluid. The fluid flow system (300) further includes a first vibrating meter (5) including a first sensor assembly (10) located within the pipeline (302) and configured to determine one or more flow characteristics, including a first flow rate. A second vibrating meter (5?) including a second sensor assembly (10?) located within the pipeline (302) is provided that is in fluid communication with the first sensor assembly (10) and configured to determine one or more flow characteristics, including a second flow rate. The fluid flow system (300) further includes a system controller (310) in electrical communication with the first and second vibrating meters (5, 5?). The system controller (310) is configured to receive the first and second flow rates and determine a differential flow rate based on the first and second flow rates.

Abstract: An analog-to-digital conversion stage (300) includes three or more ADCs (303, 305, 307) that receive two or more analog signals, generate a first digitized signal from a first analog signal, generate at least a second digitized signal from at least a second analog signal to create two or more digitized signals, and generate one or more redundant digitized signals from the two or more analog signals. The one or more redundant digitized signals are generated substantially in parallel with the two or more digitized signals. A processing device (330) generates a phase drift value from a phase difference between a redundant digitized signal of the one or more redundant digitized signals and a corresponding digitized signal of the two or more digitized signals and compensates the corresponding digitized signal using the one or more phase drift values.

Abstract: A vibratory flowmeter (5) for determining an average flow rate of a pulsating flow is provided. The vibratory flowmeter (5) includes a flowmeter assembly (10) including at least two pickoff sensors (170L, 170R) and configured to generate at least two vibrational signals and meter electronics (20) configured to receive the at least two vibrational signals and generate a flow rate measurement signal, divide the flow rate measurement signal into a series of time periods, with each time period including a single flow peak that is substantially centered in the time period, totalize flow rate measurements of each time period to generate a period sum, and divide the period sum by a time period length to generate a period average flow rate, wherein the meter electronics (20) outputs a sequence of period average flow rates as an average flow rate signal.

Abstract: A vibratory flow meter (5, 300) is provided. The vibratory flow meter (5, 300) includes a flow meter assembly (10, 310) including at least two vibration sensors (170L and 170R, 303 and 305) that generate at least two vibrational signals and meter electronics (20, 320) that receives the at least two vibrational signals, generate a new time difference (?t) using multiple time difference measurements obtained for a flow material, and determine if the new time difference (?t) is within predetermined bounds of an old time difference (?t0).