×

Apparatus and method for conveying TTY signals over wireless telecommunication systems

  • US 6,351,495 B1
  • Filed: 08/28/1998
  • Issued: 02/26/2002
  • Est. Priority Date: 08/28/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A teletype signal processor for teletype signals comprising one or more teletype information bits and one or more teletype start or stop bits over a wireless telecommunication system, the teletype signal processor comprising:

  • a transmitter configured to derive the teletype information bits from the teletype signals, represent the derived teletype information bits as at least one message in accordance with a format, and transmit said at least one message over the wireless telecommunication system or transmit said at least one message and the teletype signals over the wireless telecommunication system; and

    a receiver configured to receive signals from the wireless telecommunication system, determine whether such received signals are teletype signals carrying teletype information in accordance with the format, and decode the teletype information from part of the received signals determined as not having been adversely affected by the wireless telecommunication system.

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