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Telecommunications adapter providing non-repudiable communications log and supplemental power for a portable programmable device

  • US 6,119,179 A
  • Filed: 08/28/1998
  • Issued: 09/12/2000
  • Est. Priority Date: 08/28/1998
  • Status: Expired due to Fees
First Claim
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1. A communications adapter for supporting telecommunications operations for a portable device that has a program storage memory, a programmable controller, and a power supply, said communications adapter comprising:

  • a signal processing unit for converting an analog voice signal to digital data in substantially real-time, said signal processing unit compressing said digital data and arranging the compressed digital data into a plurality of packets, said signal processing unit further arranging a predetermined number of packets into a frame and providing timing and identification indicia to said frame;

    a memory unit for storing application interface code that generates a read-only record of said timing and identification indicia such that a non-repudiable communications log is produced and operating system code that encrypts and decrypts said digital data; and

    a power supply for supplying power to said signal processing unit and for providing supplemental power to said portable device.

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