System and method for database access and management
First Claim
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1. A communication system for accessing and managing a database, comprising:
- a portable wireless communication appliance;
a remote device with access to the database; and
a cache device configured to communicate wirelessly with the portable wireless communication appliance and to communicate with the remote device, the cache device storing a copy of a predetermined portion of the database.
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Accused Products
Abstract
A portable appliance has access to database information even when a remote device is turned off. A cache device is designed to be always on. The cache device stores communications from the portable wireless communication device and forwards them to a remote device when it is available. The cache device may also store a copy of a portion of the database. Thus this portion of the database is always available to the portable communication device even when the remote device is unavailable
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Citations
16 Claims
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1. A communication system for accessing and managing a database, comprising:
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a portable wireless communication appliance;
a remote device with access to the database; and
a cache device configured to communicate wirelessly with the portable wireless communication appliance and to communicate with the remote device, the cache device storing a copy of a predetermined portion of the database. - View Dependent Claims (2, 3, 4)
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5. A method of accessing and managing a database accessible by a remote device, the method comprising:
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establishing a wireless communication link between a portable wireless communication appliance and a cache device storing a portion of the database;
sending a remote-device discovery inquiry by way of the wireless communication link;
determining if the remote device is available for communication with the cache device; and
accessing the copy of the portion of the database stored in the cache device when the remote device is not available. - View Dependent Claims (6, 7, 8, 9)
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10. A computer program product embodied on a tangible storage medium, the program comprising executable instructions that enable a system to:
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establish a wireless communication link between a portable wireless communication appliance and a cache device storing a portion of a database;
send a remote-device discovery inquiry by way of the wireless communication link;
determine if a remote device having access to the database is available for communication with the cache device; and
access the copy of the portion of the database stored in the cache device when the remote device is not available. - View Dependent Claims (11, 12, 13, 14, 16)
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15. A method comprising:
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establishing a wireless communication link between a portable wireless communication appliance and a cache device;
sending a remote-device discovery inquiry by way of the wireless communication link;
determining if a remote device is available for communication with the cache device;
setting cache-device preferences when the remote device is available;
monitoring the availability of the remote device; and
synchronizing a copy of a portion of a database stored in the cache device with the database stored in the remote device according to the cache-device preferences prior to the unavailability of the remote device.
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Specification