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An electronic adaptor assembly and method having a conversion circuit coupled to an input and configured for receiving an input characteristic of an input device coupled to the input and generating a pulse width signal having a pulse width that varies in response to the received input characteristic

An electronic adaptor assembly and method having a conversion circuit coupled to an input and configured for receiving an input characteristic of an input device coupled to the input and generating a pulse width signal having a pulse width that varies in response to the received input characteristic, and an output circuit coupled to an output and to the conversion circuit and configured for receiving the pulse width signal and providing a characteristic at the output that varies in response to the pulse width of the pulse width signal, wherein the output characteristic corresponds to a characteristic of a synthesized device that is different from the input device.

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What is claimed is: 1. An electronic adaptor assembly comprising: a conversion circuit coupled to an input and configured for receiving an input characteristic of an input device coupled to the input and generating a pulse width signal having a pulse width that varies in response to the received in

What is claimed is: 1. An electronic adaptor assembly comprising: a conversion circuit coupled to an input and configured for receiving an input characteristic of an input device coupled to the input and generating a pulse width signal having a pulse width that varies in response to the received input characteristic; an output circuit coupled to an output and to the conversion circuit and configured for receiving the pulse width signal and providing a characteristic at the output that varies in response to the pulse width of the pulse width signal, the output circuit comprising a control circuit coupled to the conversion circuit and configured for receiving the pulse width signal and generating an output control signal and a variable output characteristic device coupled to the control circuit and the output and configured for receiving the output control signal and providing the characteristic at the output in response to the output control signal; and an output control feedback circuit coupled to the output and to the control circuit and configured for providing an output control feedback signal from the output, wherein the characteristic at the output corresponds to a characteristic of a synthesized device that is different from the input device. 2. The assembly of claim 1 wherein the input device is a first temperature sensor and the synthesized device is a second temperature sensor that is a different type from the first temperature sensor. 3. The assembly of claim 1 wherein the conversion circuit includes a processor and a computer readable medium having computer executable instructions configured for generating the pulse width signal. 4. The assembly of claim 1, further comprising a conversion feedback circuit coupled to the output and to the conversion circuit and configured for generating a conversion feedback signal at the output, wherein the conversion circuit is configured for receiving the conversion feedback signal and for generating the pulse width of the pulse width signal in response to the conversion feedback signal. 5. The assembly of claim 1 wherein the control circuit is configured for generating a direct current voltage signal as the output control signal and includes a circuit selected from the group consisting of an operational amplifier and a linear filter. 6. The assembly of claim 1 wherein control circuit is an operational amplifier configured for receiving the pulse width signal at an inverting input. 7. The assembly of claim 1 wherein the control circuit includes an integration circuit integrating the pulse width signal with at least one of a reference signal and an output control feedback signal. 8. The assembly of claim 1 wherein the output circuit includes a transistor configured with a gate receiving the control signal and wherein the output characteristic is generated by a drain and a source of the transistor in response to the gate responding to the control signal. 9. The assembly of claim 1, further comprising an output control feedback circuit coupled to the output and the control circuit and configured for generating an output control feedback signal from the output to the control circuit, wherein the control circuit is configured for generating the output control signal responsive to the output control feedback signal. 10. The assembly of claim 9, further comprising a conversion feedback circuit coupled to the output and to the conversion circuit and configured for providing a conversion feedback signal from the output to the conversion circuit wherein the conversion circuit is configured for receiving the conversion feedback signal and generating the pulse width signal having a pulse width that varies in response to the conversion feedback signal. 11. The assembly of claim 1 wherein the conversion circuit is configured for determining a sensed operating characteristic in response to the received input characteristic and for generating the pulse width signal having a pulse width that varies in response to the sensed operating characteristic. 12. The assembly of claim 11 wherein the sensed operating characteristic is one of a temperature, a pressure, a humidity, a flow, a movement, and a velocity. 13. The assembly of claim 1 wherein the conversion circuit is configured for generating the pulse width signal having a substantially constant pulse rate. 14. The assembly of claim 1 wherein the conversion circuit is configured for receiving a plurality of input characteristics, each received from one of a plurality of input devices, and for generating the pulse width signal having a pulse width in response to two or more of the received input characteristics. 15. The assembly of claim 14 wherein the conversion circuit is configured for determining the synthesized characteristic of the synthesized device in response to two or more of the input characteristics and for generating the pulse width signal having a pulse width that varies in response to the determined synthesized characteristic. 16. The assembly of claim 1 wherein the input device is selected from the group consisting of a temperature sensor, a humidity sensor, a velocity sensor, a pressure sensor, a flow sensor, a motion sensor, a voltage sensor, a current sensor, and an impedance sensor. 17. The assembly of claim 1 wherein the synthesized device is selected from the group consisting of a temperature sensor, a humidity sensor, a velocity sensor, a flow sensor, a motion sensor, a pressure sensor, a voltage sensor, a current sensor, and an impedance sensor. 18. The assembly of claim 1 wherein the input characteristic is selected from the group consisting of an impedance, a voltage, and a current. 19. The assembly of claim 1 wherein the output characteristic is a same type of characteristic as the input characteristic, the input characteristic has an input value and the output characteristic has an output value, the output value being different from the input value. 20. A sensor adaptor circuit comprising: means for converting an input characteristic received at an input from an input sensor configured for sensing an operating characteristic into a pulse width signal having a pulse width corresponding to the sensed operating characteristic; means for providing an output characteristic at an output corresponding to a characteristic of a synthesized sensor and responsive to the pulse width of the pulse width signal; and means for generating a conversion feedback signal from the output, wherein the means for converting includes means for generating the pulse width signal having a pulse width that varies in response to the conversion feedback signal, said synthesized sensor being different from the input sensor. 21. The circuit of claim 20, further comprising: means for generating an output control feedback signal from the output, wherein the means for providing is responsive to the output control feedback signal. 22. The circuit of claim 21 wherein a characteristic of the output control feedback signal is different from the output characteristic. 23. The circuit of claim 20, further comprising: means for generating a conversion feedback signal from the output, wherein the means for converting includes means for generating the pulse width signal having a pulse width that varies in response to the conversion feedback signal. 24. The circuit of claim 20 wherein the means for converting includes means for receiving a plurality of input characteristics from a plurality of input sensors each configured for sensing an operating characteristic and means for generating a pulse width signal having a pulse width that varies in response to two or more of the received input characteristics. 25. The circuit of claim 20 wherein the output characteristic is the same type of characteristic as the input characteristic type, but has a value associated with the synthesized sensor that is different from the value associated with the input device. 26. A method of sensing comprising: receiving an input characteristic from an input sensor sensing an operating characteristic; generating a pulse width signal having a pulse width that varies in response to the received input characteristic; providing a characteristic at the output responsive to the pulse width of the generated pulse width signal; and generating a conversion feedback signal at the output, wherein generating the pulse width signal includes generating a pulse width that varies in response to the conversion feedback signal, the characteristic at the output corresponding to a characteristic of a synthesized sensor that is different from the input sensor and that has sensed the operating characteristic. 27. The method of claim 26, further comprising generating an output control feedback signal at the output, wherein providing the characteristic at the output includes providing the characteristic in response to the output control feedback signal. 28. The method of claim 26 wherein providing the characteristic at the output includes receiving the pulse width signal and generating a control signal responsive to the pulse width of the received pulse width signal; further comprising receiving the control signal at an output device configured for varying a characteristic at the output, wherein the output device is configured for providing the characteristic at the output corresponding to the synthesized device in response to the control signal. 29. The method of claim 28, further comprising receiving an output reference signal associated with the output, wherein generating the control signal includes integrating the pulse width signal with the output reference signal. 30. The method of claim 26, further comprising receiving a second input characteristic from a second input sensor, wherein generating the pulse width signal includes generating a pulse width of the pulse width signal that varies in response to the received second input characteristic. 31. The method of claim 26 wherein the received input characteristic has a first value, the pulse width is a first pulse width, and the output characteristic has a first output characteristic value, further comprising: receiving a second value of the input characteristic from the sensor; generating the pulse width signal having a second pulse width that varies in response to the received second value of the input characteristic; and providing a second output characteristic value at the output in response to the second pulse width. 32. The method of claim 26 wherein receiving includes receiving a plurality of input characteristics, each input characteristic being associated with one of a plurality of sensors, wherein each of the sensors is a different type of sensor and wherein generating the pulse width signal includes generating a pulse width that varies in response to two or more of the received input characteristics.