Shared oscillator for vehicle mirror display
First Claim
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1. A module, comprising:
- a module housing;
a GPS receiver in the module housing and receiving position information;
a wireless transceiver in the module housing and communicating with the GPS receiver for transmitting information received from the GPS receiver; and
one and only one reference oscillator in the housing providing mixing signals to the GPS receiver and the wireless transceiver, the GPS receiver and wireless transceiver not sharing any components other than the reference oscillator.
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Abstract
A combined GPS/Bluetooth module for a vehicle may be mounted on, e.g., the rear view mirror housing to receive position information from GPS and other information (such as tire pressure and other vehicle diagnostic information) over a Bluetooth link. In turn, the module can transmit over Bluetooth both the GPS data and the diagnostic information to the vehicle onboard computer or to a PDA, wireless telephone, or other display-bearing device in the vehicle for display thereof.
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Citations
17 Claims
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1. A module, comprising:
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a module housing; a GPS receiver in the module housing and receiving position information; a wireless transceiver in the module housing and communicating with the GPS receiver for transmitting information received from the GPS receiver; and one and only one reference oscillator in the housing providing mixing signals to the GPS receiver and the wireless transceiver, the GPS receiver and wireless transceiver not sharing any components other than the reference oscillator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A module, comprising:
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a module housing; a GPS receiver in the module housing and receiving position information; a wireless transceiver in the module housing and communicating with the GPS receiver for transmitting GPS information received from the GPS receiver; a dual SAW filter package in the module, signals from both a GPS antenna and a second antenna being filtered through the SAW filter package; and one and only one reference oscillator in the housing providing mixing signals to the GPS receiver and the wireless transceiver, the receiver and transceiver not sharing a mixer. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A system for data transmission, comprising:
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wireless transceiver means; and means for sending GPS data from a GPS receiver to the transceiver means for transmission of the GPS data to at least one of;
a vehicle onboard computer, and a portable computing device in a vehicle, at least for display of the GPS data, wherein the wireless transceiver means and the GPS receiver share a common oscillator and only the common oscillator. - View Dependent Claims (16, 17)
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Specification