×

Wireless modem

DC
  • US 6,151,355 A
  • Filed: 10/06/1997
  • Issued: 11/21/2000
  • Est. Priority Date: 10/07/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. A modem unit comprising a bidirectional serial digital data port, a transceiver, and a modem receiving digital data for transmission from said port and converting it to analog signals for modulating a transmitter of said transceiver, and receiving and demodulating analog signals from a receiver of said transceiver to received digital data provided to said port, said modem unit further comprising a microcontroller connected to provide to said modem data to be modulated and transmitted and to receive received and demodulated data from said modem, and switches connected between the port, the modem and the microcontroller and controlled by said microcontroller, the switches determining whether said modem receives data to be transmitted from the microcontroller and/or the port and whether the modem passes received data to the microcontroller and/or the port, and whether the microcontroller receives data from the modem and/or the port.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×