Browse Prior Art Database

LOW COST DATA TRANSMISSION WITH DTMF FOR MOBILE RADIOS

IP.com Disclosure Number: IPCOM000007415D
Original Publication Date: 1995-Mar-01
Included in the Prior Art Database: 2002-Mar-25
Document File: 1 page(s) / 40K

Publishing Venue

Motorola

Related People

Authors:
Jochen Karasch Werner J├╝rgen Zundel

Abstract

To transmit short numeric or alphanumeric mes- coupling to the standard microphone. sages use a standard DTMF terminal (e.g. German PTT, price less 300.-DM) with the possibility to con- The DTMF message will be displayed on any nect direct to the microphone-port or by acoustic radio with a DTMF decoder display.