Article View: sci.electronics
Article #22308Re: 2 way IR LED systems
From: Ed Wells
Date: Mon, 19 Feb 1990 09:44
Date: Mon, 19 Feb 1990 09:44
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In article <431@skipper.dfrf.nasa.gov>, rando@skipper.dfrf.nasa.gov (Randy Brumbaugh) writes:
>
> It seems that each headset would need an independent
> xmit frequency, but all could share a common recv.
> frequency. This would also allow "listen only"
> headsets.
Why? Just have the transmitters fire up like their RF counterparts.
Have the transmitter work on a VOX (Voice operated transmitter) or on
a PTT (Push to Talk).
--
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Edward E. Wells Jr., President Voice: (215)-943-6061
Wells Computer Systems Corp., Box 343, Levittown, Pa. 19058
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arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!samsung!umich!sharkey!cfctech!teemc!ka3ovk!ki4pv!cdin-1!dsinc!wells!edwReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!samsung!umich!sharkey!cfctech!teemc!ka3ovk!ki4pv!cdin-1!dsinc!wells!edw From: edw@wells.UUCP (Ed Wells) Newsgroups: sci.electronics,rec.audio Subject: Re: 2 way IR LED systems Summary: Multiple transmit frequencies. Message-ID: <79@wells.UUCP> Date: 19 Feb 90 09:44:19 GMT References: <431@skipper.dfrf.nasa.gov> Organization: Wells Computer Systems Corp., Levittown, Pa. 19058 Lines: 16