Xref: utzoo gnu.misc.discuss:3096 comp.misc:12564 comp.dcom.modems:9743 Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!news.cs.indiana.edu!ux1.cso.uiuc.edu!clio.sts.uiuc.edu!berger From: berger@clio.sts.uiuc.edu (Mike Berger) Newsgroups: gnu.misc.discuss,comp.misc,comp.dcom.modems Subject: Re: hayes lawsuit Message-ID: <1991May15.181614.7845@ux1.cso.uiuc.edu> Date: 15 May 91 18:16:14 GMT References: <1991May13.044909.3617@netdev.comsys.com> <1991May14.001350.4394@tkou02.enet.dec.com> Sender: usenet@ux1.cso.uiuc.edu (News) Organization: University of Illinois at Urbana Lines: 19 >In article tmb@ai.mit.edu (Thomas M. Breuel) writes: >>Hayes is claiming to have invented the idea of using timeouts to >>transmit out-of-band data to modems (in particular, their use of the >>"+++" sequence with timeout to switch a modem from transparent mode >>into command mode). >>If you can think of uses prior to the mid-1980's of timeouts or timing >>to transmit out-of-band commands or data to a computer or communications >>device, please drop me a note, *---- How about the hookswitch on a telephone? Tapping the hookswitch in a properly timed way would get the operator's attention, invoke special features, etc. Telephone hookswitches predate hayes modems. -- Mike Berger Department of Statistics, University of Illinois AT&TNET 217-244-6067 Internet berger@atropa.stat.uiuc.edu