Data store for mobile radio station
DC CAFCFirst Claim
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1. A modified standard subscriber data storage module compatible with a mobile station used in a mobile communications system, the modified module comprising:
- a processor for performing operations; and
a memory having data records for storing data, which memory is accessible by the mobile station sending memory access messages to the modified module, the mobile station complying with a predetermined standard and being adapted, in accordance with the standard, to transmit a first memory access message, identifying a specific data record, in order to access the specific data record on a standard subscriber data storage module complying with the predetermined standard, the modified module being responsive to the first memory access message, identifying the specific data record, wherein the memory holds a plurality of data records corresponding to the specific data record and the processor is arranged to select one data record, from the plurality of data records, to access in response to the first memory access message, the selection being performed on the basis of data identifying a current operational condition of the mobile station and independently of the content of the first memory access message, the identifying data held in a further data record in the module.
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Abstract
A removable data store (34) for a mobile station (8) used in a mobile communications system, the data store being provided with two alternative fixed dialling number lists (70, 72) which are accessible by the mobile station. The data store itself determines a mode of operation of the mobile station, for example a telephone line mode, in order to select between accessing the first list or the second list. This allows the alternate list feature to be implemented without requiring the mobile station (8) to be modified for compatibility with the removable data store (34).
96 Citations
36 Claims
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1. A modified standard subscriber data storage module compatible with a mobile station used in a mobile communications system, the modified module comprising:
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a processor for performing operations; and
a memory having data records for storing data, which memory is accessible by the mobile station sending memory access messages to the modified module, the mobile station complying with a predetermined standard and being adapted, in accordance with the standard, to transmit a first memory access message, identifying a specific data record, in order to access the specific data record on a standard subscriber data storage module complying with the predetermined standard, the modified module being responsive to the first memory access message, identifying the specific data record, wherein the memory holds a plurality of data records corresponding to the specific data record and the processor is arranged to select one data record, from the plurality of data records, to access in response to the first memory access message, the selection being performed on the basis of data identifying a current operational condition of the mobile station and independently of the content of the first memory access message, the identifying data held in a further data record in the module. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A mobile station for use in a mobile communications system, the mobile station complying with a predetermined standard and being adapted, in accordance with the standard, to transmit a first memory access message, identifying a specific data record, in order to access the specific data record on a standard subscriber data storage module complying with the predetermined standard, the mobile station comprising:
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a modified subscriber data storage module which includes a processor for performing operations and memory having data records for storing data, the modified module being responsive to the first memory access message, identifying the specific data record, wherein the memory holds a plurality of data records corresponding to the specific data record and the processor is arranged to select one data record, from the plurality of data records, to access in response to the first memory access message, the selection being performed on the basis of data identifying a current operational condition of the mobile station and independently of the content of the first memory access message, the identifying data being held in a further data record in the memory means. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. A subscriber data storage module compatible with a mobile station used in a mobile communications system which includes two different mobile communications networks, the mobile station being operable in two different network modes corresponding to the two different networks, the module comprising:
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a processor for performing operations; and
a memory having data records for storing data, which memory means is accessible by the mobile station sending memory access messages to the module, wherein the memory holds a plurality of data records corresponding to a specific memory access message and the processor is configured to select one data record, from the plurality of data records, to access in response to the specific memory access message, the selection being performed on the basis of data identifying and operational condition of the mobile station and independently of the content of the first memory access message, the identifying data being held in further data record in the memory. - View Dependent Claims (36)
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Specification