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| Telephone switch center with control of individual devices |
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| Oscillator and communications device |
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| Radio communication system operable in cooperation with a VOX system |
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| VSAT frequency source using direct digital synthesizer |
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| Battery disconnect device |
| OF A PREFERRED EMBODIMENT OF THE PRESENT INVENTION With reference first to FIG. 1, a preferred ... |
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| X-ray casette with a snap-action closure system |
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Dual card and method therefor
| Details |
Inventors: Brogan, Hugh; Schuster, David Craig; Pini, Rafaele;
Assignee: Motorola, Inc. (Schaumburg, IL)
Primary Examiner: Trost; William G.
Assistant Examiner:
Attorney, Agent or Firm: Vaas; Randall S.
A smart memory card (400, 900, 1000) communicates with a smartcard compatible device (500) and a memory card compatible device (600). The smart memory card includes a processor (402, 902, 1002) which performs smartcard functions and a memory (412, 912, 1004) for use with a memory card device connection which allows memory card compatible device operation. Cellular telephones (1300, 1600) facilitate the use of two types of cards therein. |
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DETAILED DESCRIPTION OF THE DRAWINGS A dual card, also referred to herein as a smart memory card, communicates with a smartcard compatible device and a memory card compatible device.
The smart memory card includes a processor which performs smartcard functions and a memory device connection which allows memory card compatible device performance.
The smart memory card is advantageous in that it allows users to have single card which may be used as both a memory card and a smartcard.
The memory card account balance can be updated via a cellular telephone, such that a user does not have to find a credit machine to increase the account balance.
The smart memory cards has more memory than a conventional memory device.
This allows more updatable features to be loaded into the card and facilitates updating of telephone features in the telephone.
A smart memory card 400 (FIG.
4) includes a smartcard device 407 having a processor 402 and an EEPROM 404.
The processor may be implemented using any suitable device, such as a commercially available microprocessor.
The processor and EEPROM are connected by a data bus 406.
The processor 402 is connected to a port 408 via data bus 410.
Port 408 is for connection to a smartcard compatible device, such as a cellular telephone.
The processor 402, EEPROM 404, data bus 406, port 408, and data bus 410, comprise the smartcard components.
The EEPROM is a memory.
The smart memory card memory device 411 comprises a memory 412 coupled to a port 414 via a bus 416.
Port 414 is for connection to a memory card compatible device.
The memory 412, port 414, and bus 416 comprise a memory card.
The memory 412 is also coupled to processor 402 via a data bus 418.
This bus allows the memory card to be available to a smart card compatible device coupled to the port 408.
The smart memory card components are embedded in a dielectric material 420 providing a substantially rigid body for the smartcard.
The connection of smart memory card 400 to a cellular telephone 500 is illustrated in FIG
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