TWO-WAY RADIO SIGNALING THROUGH VIBRATING MOTOR IN EXTERNAL MICROPHONE
Original Publication Date: 1996-Nov-01
Included in the Prior Art Database: 2002-Apr-29
Portable radio users ofien utilize signaling to con- tact specific units. This device provides the ability to perform this signaling in either a noise free envi- ronment or a loud area that would mask normal methods of signaling. The units location in the remote microphone allows the user to purchase an accessory that might already be subject to purchase.