Means responsive to an external reference signal for providing a constant amplitude signal of a particular phase Synchro/resolver shaft angle apparatus as described by claim 1, wherein the means for providing reference signals having a variable amplitude and phase is characterized by: The means connected to the digital to synchro/resolver converter means for receiving the analog signals in the one format, and connected to the logic means and controlled by the fourth control signal therefrom for providing analog signals in the synchro shaft angle format, receiving external analog signals in one format of the synchro shaft angle format and the resolver shaft angle format, and responive to the fourth control signal from the logic means for providing analog signals in the synchro shaft angle format.Ĥ. Synchro/resolver shaft angle converter apparatus as described by claim 2, further characterized by: The synchro to digital converter means connected to the means providing reference signals having a variable amplitude and phase, and receiving reference signals therefrom as carrier signals for the analog signals converted thereby.ģ. The logic means receiving the digital signals, whereby said digital signals are measured and Synchro to digital converter means connected to the means for providing analog signals in the synchro shaft angle format and connected to the logic means, and controlled by the fifth control signal from the logic means for converting the analog signals to digital signals Means connected to the digital to synchro/resolver converter means for receiving the analog signals in the one format of the analog synchro angle format and the analog resolver shaft angle format, and connected to the logic means and controlled by the fourth control signal therefrom for providing analog signals in the synchro shaft angle format
The logic means providing a fourth control signal and a fifth control signal Synchro/resolver shaft angle converter apparatus as described by claim 1, further characterized by: The digital to synchro/resolver converter means connected to the means for providing reference signals having a variable amplitude and phase, and receiving reference signals therefrom as carrier signals for the analog signals.Ģ.
Means connected to the logic means and receiving other digital signals therefrom, and receiving an external reference signal, and controlled by the first control signal and the third control signal from the logic means and responsive to the other digital signals and the external reference signal for providing reference signals having a variable amplitude and phase and Logic means for providing digital signals and for providing a first control signal, a second control signal and a third control signal ĭigital to synchro/resolver converter means connected to the logic means and receiving digital signals therefrom corresponding to predetermined synchro/resolver shaft angles, and responsive to the first control signal from the logic means for converting the digital signals to analog signals, said digital signals being in one format of an analog synchro shaft angle format and an analog resolver shaft angle format in response to the second control signal from the logic means Synchro/resolver shaft angle converter apparatus characterized by:
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