POSITION SIGNAL RECEIVER
First Claim
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1. An apparatus, comprising:
- a wireless signal receiver frontend,a digital non-position signal processing portion,a digital position signal processing portion, andswitching circuitry configured to couple an output of said frontend with an input of said digital non-position signal processing portion in a first mode of operation and to couple the output of the frontend with the digital position signal processing portion in a second mode of operation.
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Abstract
Apparatuses are described and disclosed which operate in a first mode to receive non-position signals, for example FM radio signals, and in a second mode of operation to receive land-based position signals, for example LORAN signals.
8 Citations
25 Claims
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1. An apparatus, comprising:
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a wireless signal receiver frontend, a digital non-position signal processing portion, a digital position signal processing portion, and switching circuitry configured to couple an output of said frontend with an input of said digital non-position signal processing portion in a first mode of operation and to couple the output of the frontend with the digital position signal processing portion in a second mode of operation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An apparatus, comprising:
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an amplifier, a mixer, a first input of said mixer being coupled with an output of said amplifier, and a local oscillator, wherein the apparatus is operable in a first mode to receive non-position signals and in a second mode to receive land-based position signals, wherein in said first mode said local oscillator is coupled with a second input of said mixer, and wherein in said second mode a constant signal is coupled with said second input of said mixer. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. A method, comprising:
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providing a wireless communication frontend, providing a wireless communication digital portion, providing a position signal processing digital portion, setting the wireless communication frontend to a wireless communication mode, coupling the wireless communication frontend to the wireless communication portion, setting the wireless communication frontend to a land-based position signal mode, and coupling the wireless communication frontend to the digital position signal processing portion. - View Dependent Claims (21, 22, 23, 24, 25)
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Specification