Patent · US Expired

Data modem

US6839792B2 · kind B2 · utility

20Cited by
43References
42Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 13, 2002
Grant dateJan 4, 2005
Priority date
Expiry dateMay 13, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M11/066
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

An improved data modem (IDM) and method includes a communication processor module, a mass storage module, a power converter module, and one or more DSP modules. The communication processor module utilizes commercial off-the-shelf components as well as programmable logic devices (EPLD), which are programmed to provide a watchdog timer, programmable interrupt controller, flash page addressing, ISA bus decoder and controller, and various circuits and logic.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.