Position signal receiver
First Claim
Patent Images
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,wherein the wireless signal receiver frontend includes at least amplifying circuitry used both in the first mode of operation and in the second mode of operation of the frontend.
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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.
10 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, wherein the wireless signal receiver frontend includes at least amplifying circuitry used both in the first mode of operation and in the second mode of operation of the frontend. - 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 including at least a mixer, 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