This idea is one that I dubbed as "The Communicator". It stemmed out of the simple fact that I got tired of carrying my cell phone or my cordless phone around.  They weren't too practical to use while driving (not to mention that it is soon to be illegal to drive and talk on a cell phone), or typing at the computer, etc..  I found it nice to be able to pull over to talk while driving, or to recline, and to talk in leisure.

I devised a unit that turns a cell phone or a cordless phone into a completely portable hands-free speaker phone.  All it needs is a sub-mini jack input. The inputs are becoming the standard on many cell and cordless phones. The phone can attach to an armrest of the wheelchair with hook & loop fasteners (Velcro®). See below for pictures of the prototype and the specs.

"The Communicator" copyright © 2000 by John F. Rougeau

Specifications

Power output (speaker) 1 Watt min.
Power required 12 Volt DC

Mechanical:
Weight (speaker & mic.) 100 grams typ.
Speaker 3 x 3 x 1.5" typ.
Attached to bottom with hook side of hook & loop fastener.
Microphone ¾" diameter typ.
Attached by hook side of hook & loop fastener and clip type feature.
Foam wind screen additional to size.
Omni-directional and directional types.

Wire lengths:
Speaker to jack 5.5 feet typ.
Microphone to jack 4.5 feet typ.



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