Facility and method for wireless transmission of data
First Claim
1. A method of wireless communication of digital data comprising:
- providing a mobile unit having a plurality of alternative modes of digital wireless communication;
operating the mobile unit to assess at least a selected characteristic of each of the alternative modes;
based on the assessment, determining a preferred mode; and
transmitting data via the preferred mode.
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Accused Products
Abstract
A wireless communication facility and method employs a mobile unit having a number of alternative modes of digital wireless communication. The unit may be a battery pack or other accessory device attachable to a wireless telephone handset. The mobile unit is operated to assess some characteristic of each of the alternative modes, and based on the assessment, a preferred mode is determined. Data is transmitted via the preferred mode. The unit may include a GPS locator, so that the transmitted data may include the location of the unit. A call center is connected via the modes, and receives the data for processing, such as to return information to the user about the location.
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Citations
30 Claims
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1. A method of wireless communication of digital data comprising:
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providing a mobile unit having a plurality of alternative modes of digital wireless communication;
operating the mobile unit to assess at least a selected characteristic of each of the alternative modes;
based on the assessment, determining a preferred mode; and
transmitting data via the preferred mode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A accessory device for use with a wireless handset comprising:
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a power storage facility;
electrical contacts connected to the power storage facility for supplying power to the handset;
a GPS receiver operable to receive a location signal;
accessory circuitry operable to provide a digital signal based on the location signal to a wireless handset having transmitter circuitry operable to communicate via at least a plurality of different digital signal transmission protocols with a remote facility; and
mode selection circuitry operable to select a preferred protocol based on at least a selected characteristic of each of the alternative modes. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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21. A multi-mode digital wireless communication system comprising:
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a call center having a server connected to the Internet and to a wireless telecommunication network;
a packet data controller connected to the Internet and to the wireless network; and
the call center being operable to communicate with a remote unit via a plurality of modes selected from the group of modes including voice and data calls via the wireless telecommunication network, and packet data modes via the packet data controller. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification